Role of Stacking Fault Energy on Symmetric and Asymmetric Cyclic Deformation Behavior of FCC Metals

Author(s):  
Jayanta Kumar Mahato ◽  
Partha Sarathi De ◽  
Amrita Kundu ◽  
Pravash Chandra Chakraborti
2010 ◽  
Vol 527 (29-30) ◽  
pp. 7624-7630 ◽  
Author(s):  
V. Subramanya Sarma ◽  
J. Wang ◽  
W.W. Jian ◽  
A. Kauffmann ◽  
H. Conrad ◽  
...  

2011 ◽  
Vol 529 ◽  
pp. 230-236 ◽  
Author(s):  
H. Bahmanpour ◽  
A. Kauffmann ◽  
M.S. Khoshkhoo ◽  
K.M. Youssef ◽  
S. Mula ◽  
...  

2007 ◽  
Vol 558-559 ◽  
pp. 1273-1278 ◽  
Author(s):  
Z. Horita ◽  
Kaoru Kishikawa ◽  
Keiichi Kimura ◽  
Kohei Tatsumi ◽  
Terence G. Langdon

Equal-channel angular pressing (ECAP) is a valuable technique for refining grain sizes to the submicrometer or the nanometer range. This study explores the reason for the difference in the grain refining behavior between pure Al and pure Cu. First, very high purity levels were adopted in order to minimize any effects of impurities: 99.999% for Al and 99.99999% for Cu. Second, high purity (99.999%) Au was also used in order to examine the effect of stacking fault energy. All three pure metals were subjected to ECAP and microstructural observations and hardness measurements were undertaken with respect to the number of ECAP passes. It is concluded that the stacking fault energy plays an important role and accounts for the difference in the grain refining behavior in the ECAP process.


1995 ◽  
Vol 96 (10) ◽  
pp. 729-734 ◽  
Author(s):  
Xiliang Nie ◽  
Renhui Wang ◽  
Yiying Ye ◽  
Yumei Zhou ◽  
Dingsheng Wang

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