Influence of the Microstructure on the U1-yAmyO2-x (y= 0.1; 0.15) Pellet Macroscopic Swelling

2010 ◽  
Vol 73 ◽  
pp. 104-108 ◽  
Author(s):  
Damien Prieur ◽  
Aurélien Jankowiak ◽  
Caroline Leorier ◽  
Nathalie Herlet ◽  
Louis Donnet ◽  
...  

This work is devoted to the study of the geometrical stability in time of UyAm1-yO2-x pellet due to self-irradiation at room temperature. Dense and tailored porosity U1-yAmyO2-x (y=0.10; 0.15) compounds were fabricated by a powder metallurgy process. Up to 3.4.1017 α particles/g, an increase in the diameter of 0.9% was observed for the dense compounds while for the tailored porosity material a diameter increase of 0.4% was observed. Swelling laws have been established from the experimental data.

2021 ◽  
Vol 805 ◽  
pp. 140799
Author(s):  
Lei Zhao ◽  
Mengna Zhang ◽  
Zihan Yu ◽  
Guojun Ma ◽  
Bin Ma ◽  
...  

2020 ◽  
Author(s):  
Sivashankari Palaniswamy ◽  
Krishnamoorthy Arunagiri ◽  
Prakash Subramaniam

2011 ◽  
Vol 37 (6) ◽  
pp. 321-325
Author(s):  
Bin SUN ◽  
Shufeng LI ◽  
Hisashi IMAI ◽  
Junko UMEDA ◽  
Katsuyoshi KONDOH

2016 ◽  
Vol 32 (5) ◽  
pp. 537-541 ◽  
Author(s):  
Sandeep Chauhan ◽  
Vikas Verma ◽  
Ujjwal Prakash ◽  
P. C. Tewari ◽  
Dinesh Khanduja

Materials ◽  
2021 ◽  
Vol 14 (19) ◽  
pp. 5696
Author(s):  
Hongyan Che ◽  
Yazhong Zhai ◽  
Yingjie Yan ◽  
Yongqing Chen ◽  
Wei Qin ◽  
...  

Oxide dispersion strengthened ferritic steel is considered an important structural material in fusion reactors due to its excellent resistance to radiation and oxidation. Fine and dispersed oxides can be introduced into the matrix via the powder metallurgy process. In the present study, large grain sizes and prior particle boundaries (PPBs) formed in the FeCrAlY alloy prepared via powder metallurgy. Thermo-mechanical treatment was conducted on the FeCrAlY alloy. Results showed that microstructure was optimized: the average grain diameter decreased, the PPBs disappeared, and the distribution of oxides dispersed. Both ultimate tensile strength and elongation improved, especially the average elongation increased from 0.5% to 23%.


Sign in / Sign up

Export Citation Format

Share Document