U.S. DOE Office of Fusion Energy Sciences Materials Science Program Banner

Navigation with links to Organization, Goals, Research Activities, Research Facilities, International Collaborations, Publications, Calendar, Conferences and Related Links

6th IEA & JUPITER Joint Workshop on Vanadium Alloys for Fusion Applications
Tucson, Arizona
June 21-22, 2002.

Friday, June 21
Time	Topic	Session Leaders
8:30	Welcome and Introduction	S. Berk & R. Kurtz
8:40	Review of Agenda	R. Kurtz
Session I—National Program Overviews
8:45	Japan	K. Abe
9:00	United States	S. Berk & R. Kurtz
Session II—Microstructural Evolution
9:15	What do we know? Effect of impurities and alloying additions (binary V-X systems) on the formation of dislocation loops, voids, and precipitates during irradiation, incl. fundamental point defects parameters, variable temperature irradiation results: H. Matsui Formation of precipitates including issues on effects of impurities, temperature, structure, and alloying: D. Hoelzer Additional hardening due to hydrogen trapping in neutron irradiated vanadium alloys (8 min.): S. Ohnuki	H. Matsui & D. Hoelzer
10:15	Break
10:30	What experiments/modeling are ongoing in US and Japan? Experiments and Modeling activities in Japan: Matsui (for Sekimura) Experiments and Modeling activities in the US: Hoelzer
11:00	What needs to be done, still?	Group Discussion
12:00	Lunch
Session—III Hardening and Embrittlement
1:00	Hardening & Embrittlement	G. Lucas & K. Abe
2:00	What experiments/modeling are ongoing in US and Japan?	G. Lucas & K. Abe
2:30	What needs to be done, still?	Group Discussion
3:30	Break
Session IV—Advanced Alloy Systems
3:45	What's being done to look at systems other than V-Ti-Cr? What's new in vanadium physical metallurgy?	D. Hoelzer
4:30	What experiments/modeling are ongoing in US and Japan?	D. Hoelzer
5:00	What needs to be done, still?	Group Discussion
5:30	Adjourn
Saturday, June 22
Time	Topic	Session Leaders
Session V —Creep and Swelling
8:00	Creep and Swelling of Vanadium Alloys: Kurtz Swelling: Fukumoto Dislocation channel formation process in neutron irradiated vanadium alloys using confocallaser microscopy: Fukumoto, Matsui	M. Grossbeck, R. Kurtz & K. Fukumoto
9:00	What experiments/modeling are ongoing in US and Japan?	M. Grossbeck, R. Kurtz & K. Fukumoto
9:30	What needs to be done, still?	Group Discussion
10:00	Break
Session VI—Coatings
10:15	US: Pint US: Mattas Japan: Muroga Role of metal/ceramics joining study on MHD coating development: Satou	T. Muroga & B. Pint
11:15	What needs to be done, still?	Group Discussion
11:45	Potential Coatings for Other Applications Introduction: Muroga Retardation of hydrogen ingress into V-Ti alloy by surface segregation of Ti: Hatano Reduction of Hydrogen Absorption of Vanadium Alloy by Titanium Oxide Coating: Hino	T. Muroga
12:15	Lunch
Session VII—Engineering Issues—Primary Production, Fabrication, & Joining
1:15	Fabrication and Corrosion Properties of V-(4-20)Cr-4Ti alloys Primary production of ingot, plate and tube fabrication, and weld performance: T. Nagasaka US Experience on the large heat: Hoelzer	T. Muroga & D. Gelles
1:45	What experiments/modeling are ongoing in US and Japan? Japan: Nagasaka US: Rowcliffe	T. Muroga & D. Gelles
2:15	What needs to be done, still?	Group Discussion
Session VIII—Wrap-Up
2:45	Status of the Round Robin Tests on NIFS Heats	T. Muroga
3:00	Summary, Conclusions & Opportunities for International Collaboration: Matsui	R. Kurtz & G. Lucas
3:30	Adjourn

6th IEA & JUPITER Joint Workshop on Vanadium Alloys for Fusion ApplicationsTucson, ArizonaJune 21-22, 2002.

Friday, June 21

Saturday, June 22

6th IEA & JUPITER Joint Workshop on Vanadium Alloys for Fusion Applications
Tucson, Arizona
June 21-22, 2002.