Effect of constraint on tensile behavior of an AZ91 magnesium alloy
Yan, Cheng, Ye, Lin , & Mai, Yiu-Wing (2004) Effect of constraint on tensile behavior of an AZ91 magnesium alloy. Materials Letters, 58(25), pp. 3219-3221.
The deformation and failure behaviour of a cast AZ91 alloy was investigated using tensile test on the circumferentially notched tensile specimens with different notch radii. The strain and stress triaxiality corresponding to the failure point were estimated. The fracture surface was observed using scanning electron microscopy (SEM). The results indicated that deformation and failure of the AZ91 magnesium alloy are very sensitive to constraint level (stress triaxiality). The fracture mechanisms changed from typical ductile tearing to quasi cleavage with increasing constraint level.
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|Item Type:||Journal Article|
|Keywords:||Magnesium alloy, Tensile test, Deformation, Fracture, Constraint, Fracture surface|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200)|
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > RESOURCES ENGINEERING AND EXTRACTIVE METALLURGY (091400)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2004 Elsevier|
|Copyright Statement:||Reproduced in accordance with the copyright policy of the publisher.|
|Deposited On:||19 Apr 2007|
|Last Modified:||29 Feb 2012 23:22|
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