A correlation between failure angle and constituent for Al-AlN composites under uniaxial tensile conditions

Yu, Peng, Schaffer, G. B. and Qian, Ma (2012) A correlation between failure angle and constituent for Al-AlN composites under uniaxial tensile conditions. Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, 43 9: 3293-3299.


Author Yu, Peng
Schaffer, G. B.
Qian, Ma
Title A correlation between failure angle and constituent for Al-AlN composites under uniaxial tensile conditions
Journal name Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science   Check publisher's open access policy
ISSN 1073-5623
1543-1940
Publication date 2012-09
Sub-type Article (original research)
DOI 10.1007/s11661-012-1125-5
Volume 43
Issue 9
Start page 3293
End page 3299
Total pages 7
Place of publication New York, NY, United States
Publisher Springer New York
Collection year 2013
Language eng
Formatted abstract Al-AlN composites with different AlN reinforcement fractions and porosity were fabricated
through nitridation of laser-sintered AA 6061 powder followed by infiltration with AA 6061.
Their failure behaviors were investigated under uniaxial tensile loading conditions. Tensile
testing and fractography indicate that the fracture mode changes gradually from ductile to
brittle fracture with increasing AlN reinforcement or porosity. An analysis of the fractured
Al-AlN tensile samples reveals that the failure surface angle, θ, is dictated by the volume
fraction of the matrix, fm, in a form of tan θ = fm5.5.
Keyword Aluminum
Foams
Infiltration
Behavior
Metals
Liquid
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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