Tensile deformation and fracture behaviour of a titanium-alloy metal-matrix composite

1997 ◽  
Vol 28 (4) ◽  
pp. 365-376 ◽  
Author(s):  
T.S. Srivatsan ◽  
W.O. Soboyejo ◽  
R.J. Lederich
2004 ◽  
Vol 21 (1/2/3) ◽  
pp. 41 ◽  
Author(s):  
Som R. Soni ◽  
Hakan Kilic ◽  
Michael Camden ◽  
Mark M. Derriso ◽  
Scott Cunningham

Author(s):  
M. G. Burke ◽  
M. N. Gungor ◽  
P. K. Liaw

Aluminum-based metal matrix composites offer unique combinations of high specific strength and high stiffness. The improvement in strength and stiffness is related to the particulate reinforcement and the particular matrix alloy chosen. In this way, the metal matrix composite can be tailored for specific materials applications. The microstructural characterization of metal matrix composites is thus important in the development of these materials. In this study, the structure of a p/m 2014-SiC particulate metal matrix composite has been examined after extrusion and tensile deformation.Thin-foil specimens of the 2014-20 vol.% SiCp metal matrix composite were prepared by dimpling to approximately 35 μm prior to ion-milling using a Gatan Dual Ion Mill equipped with a cold stage. These samples were then examined in a Philips 400T TEM/STEM operated at 120 kV. Two material conditions were evaluated: after extrusion (80:1); and after tensile deformation at 250°C.


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