Ppt on semi solid casting

Fusion-Welding and Solid State Welding Processes

process that uses a non-consumable electrode made of tungsten, an inert or semi-inert gas mixture, and a separate filler material. Especially useful for welding /welding electrodes are available to weld carbon and low alloy steels; stainless steels; cast iron; aluminum, copper, and nickel, and their alloys Arc Welding Process: / Computer Controlled Resistance Spot Welding Resistance Spot Welding the tips of two opposing solid, cylindrical touch a lap joint and resistance heating produces a spot weld. /


Metal Casting Process in which molten metal is poured into a mold (shaped after the part to be manufactured), then allowed to cool and solidify. After.

letting it cool, breaking the mold to remove the casting. Traditional casting method. Loose tolerances. “poor” surface finish. low/Casting Molten metal is forced into a permanent mold (die) at high pressure. Hot chamber and Cold chamber pressure casting High production rates, high quality parts, good dimensions, complex shapes, good surface (net shape). Engr 241 Other Processes Permanent Mold Casting. Slush Casting. Centrifugal Casting. Squeeze Casting Semi-solid Metal Forming. Engr 241 Economics of Casting/


Cast Materials Task Force Update/Deliverables Status NADCA R&D Committee Meeting Oak Ridge National Laboratory Oak Ridge, TN June 14, 2007.

June 14, 2007 #137 Innovative Semi-Solid Metal (SSM) Processing Q. Y. Pan, P. Hogan, B. Dewhirst D. Apelian, M.M. Makhlouf Project Period: 06/1/04 through 6/30/07 Major Tasks  Task 1: Optimize the Continuous Rheoconversion Process (CRP) for commercial applications  Task 2: SSM alloy development  Task 3: Optimize heat treatment processes for SSM castings Task 1 Achievements to Date/


CENTRIFUGAL CASTING (video)(video) POINTS TO REMEMBER : TRUE CENTRIFUGAL Applying ceramic slurry to the mold wall, drying and baking. Rotation of the mold.

casting has solidified. Extraction of the casting from the mold. SEMI-CENTRIFUGAL CASTING POINTS TO /CASTING Known as lost Wax Process or Precision Casting Common pattern material: Wax (others are Frozen mercury,plastic,tin) INVESTMENT CASTING/ to the mold cavity. INVESTMENT CASTING contd…. STEP: TWO Mould creation/known as "lost wax" casting. ► videosander_01.wmv Finally,/ 48 hours INVESTMENT CASTING contd…. STEP: THREE/ jet) and cast is taken out VIDEO:LOST WAX Investment Casting Applications: Small /


Microstructure Evolution of Semi-solid Magnesium Alloy AZ91D Under Electric Current Y Yang, Q Zhou, J Tang, Z Hu Institute of Metal Research Chinese Academy.

Microstructure Evolution of Semi-solid Magnesium Alloy AZ91D Under Electric Current Y Yang, Q Zhou, J Tang, Z Hu Institute of Metal /pulse density Current pulse duration Discharging cycle Treating time Nondendritic particle size Thermal fluctuation Conclusions Introduction Magnesium alloy offers numerous merits in physical, mechanical and casting properties. The most lightest structural alloy Anti-vibration Usages of magnesium alloy Magnesium alloy to near-net ­ shape will find widespread application in auto/


Glass is an inorganic solid material that is usually clear or translucent with different colors. It is hard, brittle, and stands up to the effects of wind,

Hellenistic technical traditions, initially concentrating on the production of intensely coloured cast glass vessels. However, during the first century AD the industry underwent/imitate earlier Roman agate glass (which was intended to resemble the semi-precious stone). http://www.memories-in-glass.com/glass- what-/colors, etc. Main properties of glass These are the main characteristics of glass: - Solid and hard material - Disordered and amorphous structure - Fragile and easily breakable into sharp pieces/


Chapter 9 – Steel Products Key: carbon content: –Steel – alloy consisting mostly of iron with a little carbon (0.2% - 2.04% by weight) –Cast iron = carbon.

(Fe 2 O 3 ) –Limestone (CaCO 3 ) –Air (lots of it!!) The “abc’s” of Steel Making: Coke –Solid residue product from the destructive distillation of coal. –About 80 to 95% C. –Made by heating black coal in small ovens at 300/ then go through forging press and roughing mill to create billet, bloom or slab, OR: –Continuous cast – continuous process to again create a billet, bloom, slab or “as cast semis” Step 2 – The Bessemer converter: –Much smaller furnace –More impurities removed (oxidised) –Calculated amount/


Glass is an inorganic solid material that is usually clear or translucent with different colors. It is hard, brittle, and stands up to the effects of wind,

developed from Hellenistic technical traditions, initially concentrating on the production of intensely coloured cast glass vessels. However, during the first century AD the industry underwent rapid /to imitate earlier Roman agate glass (which was intended to resemble the semi-precious stone). http://www.memories-in-glass.com/glass- what-is-it1/general common term for a wide range of synthetic or semisynthetic organic solid materials suitable for the manufacture of industrial products. Plastics are typically /


 Extrusion is a deformation process used to produce long, straight metal products such as bars, solid and hollow sections, tubes, wires, and strips.

used to produce long, straight metal products such as bars, solid and hollow sections, tubes, wires, and strips.  /size extrusion, i > d.. i is the dead metal zone semi angle of indirect extrusion and d is the dead metal zone semi angle of direct extrusion. DIRECT EXTRUSIONINDIRECT EXTRUSION  Hot extrusion is/a set of extrusion dies are very modest when compared to the set up costs for rolling, casting and forging.  Design and Change Flexibility Modifications to die sizes can normally be achieved rapidly /


FILTRATION 1. DEFINITION Filtration is a mechanical or physical operation which is used for the separation of solids from fluids (liquids or gases) by.

filtration, useful in the preparation of sterile solutions. These filters are made by casting of various esters of cellulose, or from nylon, Teflon, polyvinyl chloride. The/Filter Leaf 3.Centrifugal Filters : Perforated Basket Centrifuge, Semi-continuous Centrifuge 21 Based on Operation of Filtration : 1)Continuous filtration : Discharge and/quantities of slurry. 2- Suitable for slurry contains considerable amounts of solids in the range 15-30%. Examples of pharmaceutical application include the /


Solid Oxide Fuel Cell. INDEX History Technology Operation Advantages Limitations Applications Self-Test.

A 1959 discussion of fuel cells noted that problems with solid electrolytes discovered by Nernst(called Nernst Mass) included relatively high internal electrical resistance, melting, and short- circuiting due to semi conductivity. It seems that many researchers began to believe/ other. This design offers simple cell geometry and multiple fabrication options such as tape calendaring or tape casting. Seal less tubular design The seal less tubular design consists of the cell components configured as thin layers/


Module 3 Mitigation Options

installing an improved aluminium smelter, improved ethylene cracking, and conversion from semi-dry to dry process or installation of pre-calcination (cement) Installation/and Decommissioning of Gas Insulated Switchgear Emissions of SF6 from Magnesium Production and Casting Non-CO2 gases from manufacturing (HFCs, PFCs, SF6, and N2O) / reducing GHG emissions. Landfill Gas Recovery. Picture: University of Tennessee Solid Waste: Measures Regulatory standards for waste disposal and wastewater management Provision/


3.1 Module 3 Mitigation Options a.General considerations b.Industry c.Buildings d.Transport e.Energy supply f.Solid waste and wastewater g.Land-use, land-use.

steel) –installing improved aluminum smelters, improved ethylene cracking, and conversion from semi-dry to dry process or installation of pre-calcination (cement) –Use/of Gas Insulated Switchgear Emissions of SF6 from Magnesium Production and Casting 3.15 Industry: Mitigation Measures Research, development, and commercial/-set for electricity generation) –Avoidance/waste prevention Methane Recovery from Solid-waste Disposal –Solid waste disposal facilities (including off-sets for electricity generation and co/


Fuels and Combustion 1. Sub Topics Fuels –Introduction, definition, classification, calorific value, Gross and Net, theoretical calculation. Solid fuel-

battery. Each chamber is provided with a charging hole at the top, a gas off-take and a refractory-lined cast iron door at each ends for discharging coke. 21 A charge consisting of finely crushed coal is introduced through the charging/hydrocarbons. iii) Mixed-base type crude oil : It contains both paraffinic and asphaltic hydrocarbons and are generally in the form of semi-solid waxes. 26 Mining and Refining of Petroleum The crude oil obtained from the earth crust contains water, sulphur and some unwanted /


SOLID WASTE MANAGEMENT THROUGH GEOPOLYMER TECHNOLOGY FOR THE DEVELOPMENT OF VALUE ADDED PRODUCTS Prof. (Dr.) N. R. Bose Gandhi Institute of Engineering.

Nil ___________________________________________________________ Preparation of specimens & test results Two samples of Fly Ash based GP binder mixture of are casted in a mould and heat cured at 90 oC for 18 hours, and then removed to ambient conditions. /through Geopolymer Chemistry for the development of binder and cement * It is poosible to formulate mixing compound with semi solid waste materials , geopolymer binder and water soluble polymer for the development of high value products Future course of /


Explosives. What is an explosive? Explosive is a solid or liquid substance or a mixture of substances which on application of suitable stimulus is converted.

? Explosive is a solid or liquid substance or/ blasting cap DYNAMITES Composed of nitro glycerin & filler material GELATIN DYNAMITES Combination of nitroglycerine & nitrocellulose. SEMI GELATIN STRAIGHT GELATIN AMONIA DYNAMITES Ammonia nitrate substituted WATER GELS, SURRIES & EMULSIONS Can be classed as /of high temperature rock. PIPE CHARGES LOW ENERGY EXPLOSIVES PRODUCT WITH VARIABLE ENERGY Special Application Explosives Cast Primers These are made from a mixture of PETN and TNT. Are used to initiate /


Semi-conducting organic polymers and Inorganic semiconductor nano-crystals Nir Tessler EE Dept. Technion.

Semi-conducting organic polymers and Inorganic semiconductor nano-crystals Nir Tessler EE Dept. Technion The material: Organic semiconductors = molecular materials small molecules to long polymer chains. /Nir Tessler, EE Dept., Technion Nano-Materials (they come as powder or fibers. We dissolve them in the appropriate solvent and cast them from solution. We usually design it such that after drying we get 0.1micron thick solid film) n n O O O O CN O + + = Going from green emission to red emission via simple “/


AA II z f Surface Radiance and Image Irradiance Same solid angle Pinhole Camera Model.

configuration of every radiator; big distant ones are as important as small nearby ones (solid angle) The effects are easy to model It appears to be hard to extract information/ –decreased dynamic range –smoothing Try to use other information to control errors Shadows cast by a point source A point that can’t see the source is in shadow/P. Zisserman, Proc. CVPR, 1989, copyright 1989 IEEE At the top, geometry of a semi-circular bump on a plane; below, predicted radiosity solutions, scaled to lie on top of/


Chapter 1: Minerals of the Earth’s Crust. What is a Mineral? A Mineral has 4 Characteristics: Solid Crystalline Structure Non-Living Formed by Nature.

Compounds - different elements combine to form larger substances Crystals - solid, geometric forms of minerals created by a repeating pattern of atoms/Nonmetallic (dull) Vitreous (glassy) Pearly (opalescent) Metallic mineral Semi-Metallic Mineral Non-Metallic Minerals Streak This is the color a /, electrical wire Galenaleadbatteries, paint Berylberylliumbicycle frames, airplanes Chromitechromiumstainless steel, cast iron Responsible Mining Mining can disturb habitats of plants and animals /


The International Cast, Crew, Story, Theme, Review Muse-En-Scene, Life Connections.

The International Cast, Crew, Story, Theme, /works with glass to show penetrability, yet also makes use of a lot of concrete – the most solid material one can hide behind.” --Director Tom Tykwer THE INTERNATIONAL ©2009 Columbia Pictures. Review © David Bruce 60%/ Positive Consensus voice: "I enjoyed The International. Clive Owen makes a semi-believable hero, not performing too many feats that are physically unlikely." --Roger Ebert, Chicago Sun-Times THE INTERNATIONAL/


WORKSHOP PRACTICE. A valve is a device that regulates the flow of a fluid (gases, fluidized solid, slurries, or liquids) by opening, closing, or partially.

device that regulates the flow of a fluid (gases, fluidized solid, slurries, or liquids) by opening, closing, or partially obstructing/hold the fluid going through the valve. Valve bodies are usually metallic. Brass, bronze, gunmetal, cast iron, steel, alloy steels and stainless steel are very common. Plastic bodies are used for relatively/ valve. A bonnet acts as a cover on the valve body. It is commonly semi-permanently screwed into the valve body. The bonnet is attached to hold everything together inside/


Capsules are solid dosage forms in which the drug substance is enclosed in either a hard or soft soluble container or shell of a suitable form of gelatin.

Capsules are solid dosage forms in which the/at a temperature of about 50 0 C in a heated, jacketed dipping pan.  The length of time to cast the film has been reported to be about 12 sec. II.Rotation :  After dipping, pins are elevated / lubricant distribution. Overly lubricated granules are responsible for delaying capsule disintegration and dissolution. 15 16 OSAKA MODEL R-180 SEMI AUTOMATIC CAPSULE FILLING MACHINE I.Composition of the shell:  Similar to hard gelatin shells, the basic component of soft/


Crankshaft, Main Bearings and Shaft Alignment.

crankshaft must also withstand the....... Crankshaft, Main Bearings and Shaf Alignment (text) Medium speed engines have crankshaft usually solid forged, i.e. made from a single piece, while slow speed engine crankshafts are mostly of semi-built design with crankpins and webs forged or cast in one piece and shrunk on to the journals. The type of steel used, which is carbon or/


VISCOM DIVISION PRESENTATION

Coloured papers Fluorescent papers Boards - uncoated and cast Blockout (Cover) Metallised Paper backed foils Specialities (Indigo range, etc.) ADHESIVES AP 904 - permanent (acrylic emulsion) FP02 Plus – supertack (acrylic emulsion) RP 1001 - extra permanent (rubber hot melt, only for very specific applications) AR 804 - semi-permanent for stickers (acrylic emulsion) AR 805 - removable (acrylic emulsion) SOLID BACK OR SCORED BACK White kraft 85 g/


Chapter 8 – Principles of Solidification

.13 Joining of Metallic Materials Section 8.1 Technological Significance Primary processing - Processes involving casting of molten metals into ingots or semi-finished useful shapes such as slabs. Secondary processing - Processes such as rolling, extrusion, etc./to point D). Metal continues to solidify at a constant temperature (T melting). At point E, solidification is complete. Solid casting continues to cool from the point. (b) Cooling curve for a well inoculated, but otherwise pure metal. No /


Dr. N. RAMACHANDRAN, NITC1 2 METAL JOINING Even the simplest object is an assembly of components Complex ones - greater number of parts- subassemblies.

a Nondestructive test method and contributed to the success of developing improved steel castings for the U.S. Navy. Landstroth and Wunder of A. O. Smith Co. solid extruded heavy coatings for metal-arc welding electrodes. Dr. N. RAMACHANDRAN, / its quality and appearance. Dr. N. RAMACHANDRAN, NITC240 AC commonly used when welding aluminum and magnesium manually or semi-automatically, combines the two direct currents by making the electrode and base material alternate between positive and negative charge. /


UNIT I PLANNING FOR SEWERAGE SYSTEMS

IS:12288-1987. The predominant wall material is ductile iron, a spheroidized graphite cast iron. Internally these pipes are coated with cement mortar lining or any other /generate self cleansing velocity during dry weather flow. Horse shoe shaped sewers and semi-circular sections are used for large sewers with heavy discharge such as trunk and/pipe Minimum Velocity: Self Cleansing Velocity The velocity that would not permit the solids to settle down and even scour the deposited particles of a given size/


IE 337: Materials & Manufacturing Processes

clay The slip composition is 25% to 40% water Two principal variations: Drain casting - the mold is inverted to drain excess slip after a semisolid layer has been formed, thus producing a hollow product Solid casting - to produce solid products, mold not drained Sequence of steps in drain casting, a form of slip casting: (1) slip is poured into mold cavity, (2) water is absorbed into plaster/


Chapters 5 and 6: Ferrous and Nonferrous Metals

can affect the quality of the steel. This leads to three types of steel: Killed Steel, Semi-Killed Steel, and Rimmed Steel. Killed – Semi-Killed – Rimmed Steel Killed Steel – This is a fully deoxidized steel, and thus, has no/coating because of low resistance to oxidation at high temperatures. Used in solid-propellant rockets, jet engines, honeycomb structures, electronic computers, heating elements, and dies for die casting. Principle alloying element for titanium and zirconium. Niobium (Nb) First /


Basic of Chemical Machinery & Equipments

make the Technical or Processing Properties of the materials. B.Contents: as following Casting Property ——Fluidity, Congealing Shrinkage Rate Forging Property ——Resistance to Thermal Fragment, / the phenomenon that the crystal configuration changes with the temperature in the state of solid. Classification: t < 910℃ Cubic Lattice in Bulk Center, called “x-Fe/Support, Frame and the like unimportant units. Designation is ‘F’. iii. Semi-killed半镇静钢 —between the previous two Designation is ‘b’. 3.According to the/


References : 1. Clark, Donald S. Engineering Materials and Processes. 3 rd Edition, USA: International Textbook Company, 1966. 2. Fink, Donald et al..

on the carbon content and distribution of carbon. WROUGHT CARBON STEELS are widely used as solid core materials, the low carbon types are preferred in most application. CAST CARBON STEELS are used as yoke in DC machine way back but, it was been replaced/ core. This materials contain up to 3.5% silicon and a small amount (less than 0.5%) of aluminum. SEMI-PROCESSED NONORIENTED MATERIALS, these materials are used primarily in high volume production of small laminations and cores which would require stress-/


Aprovechando XML dentro de la base de datos con SQL Server 2005.

SQL Server 2000 (incl SQLXML) XML in SQL Server 2005 (incl SQLXML) Native XML and semi-structured data DBMS 11 SQL Server 2005 para desarrolladores Solid Quality Learning SQL Server as Integrated Data Platform Provides core DB services to BOTH XML and Relational / XML index: 2X of XML data PATH XML index: 0.5 of XML data CAST from/to varbinary, (n)varchar, and CLR UDT 17 SQL Server 2005 para desarrolladores Solid Quality Learning XML Schema Support XML Schema (World Wide Web Consortium [W3C] standard) /


Materials Process Design and Control Laboratory COUPLED THERMOMECHANICAL, THERMAL TRANSPORT AND SEGREGATION ANALYSIS OF ALUMINUM ALLOYS SOLIDIFYING ON.

Mo et al (2004). Surface segregation and air gap formation in DC cast Aluminum alloys – Mo et al. (1995-98) Hector and Yigit (2000) did a semi-analytical studies of air gap nucleation during solidification of pure metals using a / Microstructure evolution Lap marks, ripples, cold shuts Surface parameters and mold topography in transport processes Varying stresses in solid Air gap formation (non uniform contact and shell remelting) Meniscus instability Metal/mold interaction Shell growth kinetics uneven /


New Trends in Welding in the Aeronautic Industry

to equations Can generalize numerical or experimental results Research at MIT Ceramic to metal joining TLP, patterned interfaces Research at MIT EBSFF (3D bodies without mold) Startup: Semi-Solid Technologies Fast manufacturing: SSM-SFF Semi-solid die-casting Semi-solid welding (2000)   (2000)    (2000)     (2000)     !! Conclusions (2002) Rivets are being replaced by welding at a fast pace Welding is expanding its role in airplanes From fuselage parts/


Fluid-O-Matic Battery Assembly Plant B-24, Sector-60, Noida (U.P.) India Mobile No. 9811222014, 9873334982-

PASTING MIXER MANUAL PASTING AIR DRYING CURING CHAMBER MADE IN FACTORY AS PER OUR DRAWING AGED GRID PANEL PLATE DRYING CHAMBER SEMI AUTO PLATE PARTING & BRUSHING MACHINE BARIUM SULPHATE SULPHURIC ACID FIBER (FLOCK) CARBON BLACK DISTILLED WATER POSITIVE FLAT PLATES NEGATIVE/.97% pure lead is used to manufacture lead oxide. Then this lead is casted by Cylinder Casting Machine into shape of cylinders of lead, usually called Balls. The solid balls of lead are fed into a rotating reactor vessel. As the lead balls/


SPECIAL MOULDING PROCESSES Hareesha N G Lecturer Dept. of Aeronautical Engineering.

is produced; if rotated on a vertical axis, parabolic inside surface is produced. Cores and gating/risering systems are not required for this process. 12.b. Semi-centrifugal casting Semi-centrifugal casting process is used to produce solid castings and hence, requires a core to produce hollow cavities. The process is used only for symmetrically shaped objects and the axis of rotation of the mould is/


EBS 325 – Analytical Chemistry Laboratory Introduction To X-Ray Analysis By Mr. Samayamutthirian Palaniandy School of Materials & Mineral Resources Engineering,

impulses that are proportional to the energies of the various x-rays in the sample’s spectrum. METAL CHIPSPOLISHINGSOLUTION REMELT CAST BELT GRINDER/ LATHE INGOT LIQUID X-RAY ANALYSIS POWDER GRINDING FUSION SOLUTION PELLET GLASS BEAD LIQUID X-RAY ANALYSIS PRESS / XRF applications summary Na to U in all sample types Be to U in solid samples accuracy typically 0.1 to 1 % relative typical LLD is between 1 - 10 ppm semi-quant (standardless analysis) accuracy is limited by  particle size  inhomogeneity  non/


مجتبی کامیاب مهر هشتاد و هشت

Level Structure Abdominal support Pain management Motion/Position control Level SO LSO TLSO Structure Semi rigid Rigid Semi rigid spinal orthoses Some degree of immobilisation Lordosis reduction lumbo-sacral strain Intracavitary pressure/insert: This insert is made of rigid plastic fabricated over a cast of the foot held in maximal manual correction. The UCBL encompasses/well as eversion and inversion. Thermoplastic AFOs (Continued) Solid AFO: The solid AFO has a wider calf shell with trim line anterior/


Polymers Substances containing a large number of structural units joined by the same type of linkage. These substances often form into a chain-like structure.

polymers is favored in symmetrical polymer chains, but never 100%. These semi-crystalline polymers possess a rather typical liquefaction pathway, retaining their solid state until they reach their melting point at Tm.Tm Amorphous / Blow molding (bottles),  Thermoforming (appliance liners)  Compression molding (seals) Secondary operation  Fiber spinning (fibers)  Cast film (overhead transparencies,  Blown film (grocery bags) IntroductionChee 390 Annular (Tubular) Dies In a tubular die the polymer melt/


CRANKSHAFT,MAIN BEARINGS & SHAFT ALIGNMENT LESSON TWO.

.5 MATERIALS  Carbon steel  Alloy of nickel, chromium & molibdenum  Specialy alloyed grey cast steel 1.4 MANUFACTURING  Solid forged built in a single piece ( small-slow speed engines )  Semi-built design ( large medium-speed engines ). Crankpins & webs are forged or cast in one piece and shrunk on to the journals.  Fully-built ( cast in single piece – webs are shrunk on to the crankpins and journals/


STRUKTUR TANAH DAN AGREGASI (Soemarno, Maret 2012)

peds with rounded caps bounded laterally by other peds that form the cast for the peds. In these peds the horizontal development is limited/ (to represent infiltration, drainage and respiration) Bonding and aggregation (to represent how the solids group together and the construction materials used) Soil strength (to represent toughness and resilience/ structure is associated with soils high in sodium, common in arid and semi-arid regions (remember the discussion above on Na+ and structure?). http://www/


TOMASITO M. DEMEGILLO JR, RN. MAN. EMERGENCY NURSING  Is a specialty area of the nursing profession like no other.  Provide quality patient care for.

complications. COMPLICATIONS: 1. Neurovascular compromise 2. Incorrect fracture alignment 3. Cast syndrome (body cast) - Probably results from hyperextension of the spine; characterized by nausea, abdominal/ fully (full or deep squat) or partially (partial, half, semi, parallel or monkey squat)  It gives a greater increase of/Sulfate 4mg/ml  Bricanyl 1cc  Dormicum 15mg/2ml DRUG COMPUTATION 1. Oral and solid medication doses: Desired X quantity Stock 2. Intravenous Drip Rate: Total Number of milliliters/


Product Training. Why Enginetech Products? Enginetech is a Brand, all of our parts come in Enginetech boxes and premium packaging. Enginetech offers a.

the centrifugal casting method. Centrifugal casting assures that every sleeve is produced with a homogenous material resulting in a high quality product every time. Enginetech repair sleeve is designed and produced with a semi-finished ID that allows the machinist/ wire type of insert. Thread repair of crankshaft "snouts" are risky because of the high torque load and vibration, but Enginetechs solid inserts work every time. Enginetech "Time Serts" & "Big Serts" are available in U. S. & Metric, spark plug /


An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India.

has factory setup laboratories, testing department with all facilities for raw material, semi finished product and final product. withwithwell-equipped production check for Carpet area of/to sense abnormalities in voltage & give signal to protective relay to isolate the defective system. RESIN CAST POTENTIAL TRANSFORMER RANGE – 11, 22 & 33 KV ACCURACY CLASS – 0.2 & 0./ System Particulars 3 Phase 4 Wire with Isolated / Floating neutral as well as solidly earthed. 3 Nos. CTs & 1 No. 3 - Phase PT 3 Nos. CTs /


Lecture # 2 PROCESSING OF CERAMICS AND CERMETS

mixing of ingredients Shaping Processes The clay-water mixture is a slurry Slip casting The clay-water mixture is a slurry Plastic forming methods The clay is plastic Semi‑dry pressing The clay is moist but has low plasticity Dry pressing The clay/ is 25% to 40% water Two principal variations: Drain casting - mold is inverted to drain excess slip after semisolid layer has formed Solid casting - adequate time is allowed for entire body to become firm Drain Casting (1) Slip is poured into mold cavity, (2)/


Essential reading: SPINČIĆ, A., PRITCHARD, B., An English Textbook For Marine Engineers 2, Pomorski fakultet, Rijeka 2009. LUZER, J., SPINČIĆ, A., Gramatička.

the....... The crankshaft must also withstand the....... Exercise 1 – Complete the sentences: Medium speed engines have crankshaft usually solid forged, i.e. made from a single piece, while slow speed engine crankshafts are mostly of semi-built design with crankpins and webs forged or cast in one piece and shrunk on to the journals. The type of steel used, which is carbon or/


EMT 110 Engineering Materials Lecture 4: Solidification and Crystalline Imperfection Zulkarnain Mohamed Idris Semester 1.

the critical size.  Smaller amount of undercooling is required to solidify.  Used excessively in industries. Liquid Solid Nucleating agent θ 4-7 Figure 4.6 Growth of Crystals and Formation of Grain Structure Nucleus grow into /Casting in Industries  In industries, molten metal is cast into either semi finished or finished parts. 4-10 Figure 4.8 Direct-Chill semicontinuous Casting unit for aluminum Figure 4.9b Continuous casting Of steel ingots Grain Structure in Industrial castings  To produce cast/


Polymeric Materials ( วัสดุพอลิเมอร์ ) 209382 22.5 hours 1.Mechanical properties 2.Thermoplastic polymer 3.Thermosetting polymer 4.Additives อ. จันทราวรรณ.

coating - electrical applications - reinforced resins - bonding and adhesives - flooring - casting Curing agents Importance of curing agents: - determines the type of curing reaction / poor processing properties. ● Plasticizers - Can be in liquid, half solid or solid form - Added to increase the flexibility though its strength and hardness / Metal Soaps, Esters (high esterification), Amides, Fatty Acids Internal = Semi-Soluble (Plasticizer) - Typically reduce bulk viscosity through partial compatibility with /


A roofing tile which has the shape of an “S” laid on its side is a

ordinary by adopting a structural method of construction called compressioning post-tensioning pre-casting Humidification and condensation in exterior walls can be minimized by providing stud space /lap joint lap seam lap splice A clay roofing tile approximately semi cylindrical in shape laid in courses with units having their convex side alternately /of the following listed is NOT ideal? High-strength-bolted parts shall fit solidly together when assembled and shall not be separated by gaskets or any other /


Sewer system.

hammer. The predominant wall material is ductile iron, a spheroidized graphite cast iron. Internally these pipes are coated with cement mortar lining or any/ cleansing velocity during dry weather flow. Horse shoe shaped sewers and semi-circular sections are used for large sewers with heavy discharge such as/minimum velocity generated in sewers will help in following ways: Adequate transportation of suspended solids, Keeping the sewer size under control; and Preventing the sewage from decomposition by moving/


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