Plastic deformation behavior of a uniaxial metal matrix composite under transverse compression

KSME Journal ◽  
1995 ◽  
Vol 9 (2) ◽  
pp. 129-137
Author(s):  
J. Y. Lim ◽  
W. C. Kim ◽  
B. S. Kang
Keyword(s):  
Plastic Deformation ◽  
Metal Matrix Composite ◽  
Matrix Composite ◽  
Deformation Behavior ◽  
Metal Matrix ◽  
Transverse Compression ◽  
Plastic Deformation Behavior

Mechanical Properties and Microstructural Behavior of a Metal Matrix Composite Processed by Severe Plastic Deformation Techniques

MRS Advances ◽  
2015 ◽  
Vol 1 (58) ◽  
pp. 3865-3870 ◽  
Author(s):  
Shima Sabbaghianrad ◽  
Terence G. Langdon
Keyword(s):  
Plastic Deformation ◽  
Severe Plastic Deformation ◽  
Metal Matrix Composite ◽  
Matrix Composite ◽  
Metal Matrix ◽  
Room Temperature ◽  
High Pressure Torsion ◽  
Average Grain Size ◽  
Al 7075 ◽  
7075 Alloy

ABSTRACTA severe plastic deformation (SPD) technique was applied to an Al-7075 alloy reinforced with 10 vol.% Al2O3. This processing method of high-pressure torsion (HPT) was performed at room temperature under a pressure of 6.0 GPa through a total number of up to 20 turns. The metal matrix composite (MMC) showed a significant grain refinement from an initial average grain size of ∼8 μm to ∼300 nm after processing by HPT through 20 turns which led to an increase in the average values of Vickers microhardness at room temperature.

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