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�������պ����ѧѧ�� 2002, Vol. 28 Issue (5) :519-523    DOI:
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Transgranular Shear Fraefure of High Strength Aluminum Alloys
CHEN Chang-qi*
Beijing University of Aeronautics and Astronautics, Dept. of Materials Science and Engineering

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Abstract�� In order to reveal the conditions for shear failure of high strength aluminum alloys, experimental tests and theoretical analysis were performed on various aluminum alloys and single crystals. It is concluded that plane strain deformation mode (external or internal) and very low strain hardening rate are two fundamental conditions for shear deformation localization to happen. Shear localization resulted in shear fracture. The author's previous proposed micro-mechanical model was revised.
Keywords�� high strength   aluminum alloys   fracture toughness   transgranular shear fracture     
Received 2002-07-25;
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�²���.��ǿ���Ͻ𴩾����ж����о�[J]  �������պ����ѧѧ��, 2002,V28(5): 519-523
CHEN Chang-qi.Transgranular Shear Fraefure of High Strength Aluminum Alloys[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2002,V28(5): 519-523
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2002/V28/I5/519
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