INT 238 Hardness. Outline Explain what hardness is Describe how hardness if found Compare hardness testing methods Convert between scales.

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Presentation transcript:

INT 238 Hardness

Outline Explain what hardness is Describe how hardness if found Compare hardness testing methods Convert between scales

What is Hardness A measure of resistance to deformation or penetration

What is Hardness

Testing Methods - Brinnell

Diameter of indentation

Testing Methods - Brinnel

Testing Methods - Brinnell

Vickers Microhardness

Rockwell Hardness

N T

Conversion

Material presented in this lecture: Brandt, D. A. & Warner, J. C. (2005). Metallurgy Fundamentals. Goodheart- Willcox Company, Inc. Tinley Park, Illinois.