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Multi-anvil at the NSLS Michael Vaughan Liping Wang Jiuhua Chen Baosheng Li Carey Koleda Bill Huebsch Ken Baldwin Chris Young.

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Presentation on theme: "Multi-anvil at the NSLS Michael Vaughan Liping Wang Jiuhua Chen Baosheng Li Carey Koleda Bill Huebsch Ken Baldwin Chris Young."— Presentation transcript:

1 Multi-anvil at the NSLS Michael Vaughan Liping Wang Jiuhua Chen Baosheng Li Carey Koleda Bill Huebsch Ken Baldwin Chris Young

2 Personnel Michael Vaughan Liping Wang Jiuhua Chen Baosheng Li Carey Koleda Bill Huebsch Ken Baldwin Chris Young

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4 Cost breakdown Stony Brook University:$50,000 CHiPR:$160,000 NSLS:$1,440,000

5 Details of SAM 85 Cell assembly for ultrasonic measurement Specimen length determined by X-radiography High Pressure x-ray Studies High P High T large volume Energy dispersive diffraction Angle dispersive diffraction Sample length Ultrasonic interferrometry

6 Deformation-DIA Deformation device to operate to 12 GPa and 2000K Measure stress, strain rate, up to 50% strain First device built by Livermore (Durham)

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9 Rotational Drickamer Cell, Yale group

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11 Ideal Circle Stressed sample Lattice spacings for stressed sample Two detector strain measure  tot  v  –  h  tot (111)   * S 44 /2  tot (100)   * (S 11 – S 12 )

12 Li Li et al, 2004

13 Li Li, 2003

14 P mean =(      kbar Stress, kbar Stress state in NaCl Max. T=500  C RT Kung et al, 2004

15 Study of Molten Materials under High Pressures and Temperatures Opportunities at Synchrotron X-ray Beamlines

16 Bulk Properties of Melts Viscosity Density Acoustic Velocity

17 Jiuhua Chen

18 open press 1.7 GPa 4.0 GPa 4.0 GPa 1300 o C Jiuhua Chen

19 Ultrasonic Velocity Measurements Transducer Buffer RodSample Reflection/Transmission Interferometry Resonance Ultrasonic Spectroscopy GHz Ultrasonic Interferometry Precision ~ 10 -5 Baosheng Li

20 Input Signal in Frequency and Time Domain Input Signal Frequency Amp Baosheng Li

21 End of Run~3 GPa 400C Baosheng Li

22 Melts Solid Baosheng Li

23 Melts Solids Bi (I) Bi (III) Baosheng Li

24 Material Sciences at X17B2 of NSLS Phase equilibria at high P and T (e.g., Si, Ge, Zr, Hf) Thermal equations of state (e.g., Si, Ge, Zr, Hf, Os, U) Reaction kinetics (e.g., Si melts + diamond = SiC) Strength of nano materials (Si, SiC, diamond) Rheology at high P and T (e.g., Ta) Voronin et al. (2003) Zhang et al. (2004) Phase diagram of the elemental Zr


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