Hot Deformation Behavior of Mg2[KG-*2]B2[KG-*2]O5 Whiskers Reinforced Al Composite
Lei Zhang1,2, Li-Dong Wang2, Fu-Biao Xu2, Ying-Jie Qiao2, Wei-Dong Fei2
(1. College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China;2. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)
Abstract:
The hot deformation behavior of Mg2B2O5w/Al composite was investigated by compression test at different temperatures and different strain rates. The constitutive equation was established by taking peak stresses as the function of temperatures and strain rates. It was found that the hyperbolic sine law creep equation is in good agreement with the experimental results and can be applied to all flow stresses under various deformation conditions. The apparent activation energy of the composite is 138.64 kJ/mol, which is approximately equal to that of lattice self-diffusion of pure Al.
Key words: hot compression aluminum composite constitutive equations deformation
DOI：10.11916/j.issn.1005-9113.2014.03.017
Clc Number:TG115.5
Fund:
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Hot Deformation Behavior of Mg2[KG-*2]B2[KG-*2]O5 Whiskers Reinforced Al Composite
本站小编 哈尔滨工业大学/2019-10-23
相关话题/Hot Deformation Behavior Mg2[KG-*2]B2[KG-*2]O5 Whiskers Reinforced Al Composite
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