In situ measurement of deformation mechanics and its spatio-temporal scaling behavior in equal channel angular pressing

2015 ◽  
Vol 30 (6) ◽  
pp. 798-810 ◽  
Author(s):  
Marzyeh Moradi ◽  
Saurabh Basu ◽  
Meenakshisundaram Ravi Shankar

Abstract

2014 ◽  
Vol 45 (10) ◽  
pp. 4235-4246 ◽  
Author(s):  
H. R. Z. Sandim ◽  
R. E. Bolmaro ◽  
R. A. Renzetti ◽  
M. J. R. Sandim ◽  
K. T. Hartwig ◽  
...  

2012 ◽  
Vol 560-561 ◽  
pp. 344-348 ◽  
Author(s):  
Wei Wei ◽  
Kun Xia Wei ◽  
Igor V. Alexandrov ◽  
Qing Bo Du ◽  
Jing Hu

The effect of aging treatment on mechanical properties and electrical conductivity of Cu-5.7%Cr in situ composite produced by equal channel angular pressing (ECAP) was investigated here. The rotation and spreading of Cr particles was observed in Cu-5.7%Cr alloy during the ECAP, resulting in long thin in situ filaments. The equiaxed grains of the Cu phase with an average size of 200 nm were developed after eight passes of ECAP. When aging at 400~450 °C for 1 h, Cu-5.7%Cr composite after ECAP shows the maximum microhardness, and the electrical conductivity is larger than 70% of IACS. At 400 °C, the peak aging time appears for 0.5~2 h, dependent on the pre-strain for all ECAP samples. With the increase of ECAP passes, the enhancement of tensile strength due to the aging treatment declines, and even shows negative after eight passes of ECAP. The combination of ECAP and aging treatment would be a promising process to balance mechanical properties and electrical conductivity of Cu-5.7%Cr composite.


2020 ◽  
Vol 35 (6) ◽  
pp. 644-653 ◽  
Author(s):  
Owen Brazil ◽  
Johann P. de Silva ◽  
Mithun Chowdhury ◽  
Heedong Yoon ◽  
Gregory B. McKenna ◽  
...  

Abstract


2018 ◽  
Vol 33 (12) ◽  
pp. 1782-1788
Author(s):  
Kun Xia Wei ◽  
Yan Wei Zhang ◽  
Wei Wei ◽  
Xian Liu ◽  
Qing Bo Du ◽  
...  

Abstract


2013 ◽  
Vol 3 (4) ◽  
pp. 249-253 ◽  
Author(s):  
Alexander V. Polyakov ◽  
Irina P. Semenova ◽  
Ruslan Z. Valiev ◽  
Yi Huang ◽  
Terence G. Langdon

Abstract


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