COMPRES Workshop on Rheology and Elasticity Studies

at Ultra-High Pressures and Temperatures


 

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 Friday, Oct. 21st, 2005

 

4:00pm-7:30pm            Registration at Argonne Guest House

6:00pm-7:30pm            Reception at Argonne Guest House (Wine, beer, soda, and Hors D’oeuvres)

 

Saturday, Oct. 22nd, 2005 

7:30am             Registration at APS entrance hall

 DAC radial diffraction session 

APS meeting room E1100, Bldg. 401 

 

Morning session: Historical reviews, current and future technology

(Chair: R. Wenk)  

8:30am             Bill Bassett, Deviatoric stress, a nuisance or a gold mine?

9:00am             Ho-kwang Mao, Radial x-ray diffraction in diamond anvil cell

9:30am             Sébastien Merkel, Radial diffraction in the DAC: Pratical and theoretical considerations 

10:00am           Coffee break 

(Chair: H. Liu) 

10:30am           Robert Dinnebier, Powder diffraction at high pressure: How much information can we extract from image plate data?

11:00am           Yanzhang Ma, The rotational diamond anvil cell and its applications

11:30am           Yue Meng, Current status and future plan for radial XRD with in-situ laser heating

12:00pm           Session discussions 

12:30pm           Group photo (by Argonne media service) 

12:45pm           Lunch (APS gallery) 

 

Afternoon session: Applications, data analysis and interpretation

(Chair: T. Duffy) 

2:00pm             Harry Green, Rheological studies in the diamond anvil cell: Opportunities and difficulties

2:30pm             Rudy Wenk, Texture information from radial DAC experiments and relevance for deep earth geophysics, illustrated with examples

3:00pm             Abby Kavner, What radial diffraction can tell us about pressure calibration?

3:30pm             Coffee break 

(Chair: G. Shen) 

4:00pm             Tom Duffy, Yield strength to Mbar pressures

4:30pm             Agnès Dewaele, Mechanical properties of tantalum under high pressure

5:00pm             Sean Shieh, Strength of hydrous phase at mantle pressures

5:30pm             Haozhe Liu, Future development for DAC radial diffraction studies

6:00pm             Session discussions

6:30pm             Dinner (Argonne Guest House)

 

Evening lecture (Argonne Guest House conference room)

(Chair: S. Merkel) 

7:45pm             Takehiko Yagi, Radial x-ray diffraction in the DAC and Drickamer cell

 

Sunday, Oct. 23rd 2005

 

APS meeting room E1100, Bldg. 401 

Morning session: Expand large volume experiments to very high pressures

(Chair: D. J. Weidner) 

8:30am             Shun-ichiro Karato, Challenges in high pressure experimental studies on plastic deformation in Earth Science

9:00am             Jiuhua Chen, Do Reuss and Voigt bounds really bound in rheology experiments? A study for LVP stress measurement

9:30am             Yanbin Wang, Can we determine flow laws under ultrahigh pressures?

10:00am           Coffee break 

(Chair: Y. Wang) 

10:30am           Don Weidner, Measuring stress: some implications

11:00am           Bill Durham, The nature of rheological measurements in the D-DIA

11:30am           Session discussions 

12:30pm           Lunch (APS gallery)

 

Afternoon session: Beamline tour and experiment at HPCAT

 

2:00pm             APS beamline tour: Guided by W. Sturhahn (Sector 3-ID, APS), Y. Wang & V. Prakapenka (GSECARS), and Y. Meng & M. Hu (HPCAT)

3:00pm             Beverages at HPCAT / Poster presentation (Conference room of Bldg. 434E)

5:00pm             Beamline experiment session: DAC radial diffraction experiment at HPCAT (H. Liu, G. Shen, H-P. Liermann, and Y. Ding) 

6:00pm             Dinner (APS gallery) 

7:00pm             Beamline experiment session (continue)