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�������պ����ѧѧ�� 2006, Vol. 32 Issue (01) :88-91    DOI:
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FEM simulation for residual stress in quenched aeronautics aluminum alloy thick-plate based on rolled residual stresses distribution
Zhao Lili, Zhang Yidu*
School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ ���ø߶ȷ��������MSC.Marc,���õ����Դ��������Ԫ����7075���Ͻ�Ԥ�����������ơ��������в���Ӧ���ķֲ�������ֵ����.����˳�εط��������-����-����-�����ĸ������в����IJ���Ӧ��,�о����Ʋ���Ӧ��������-����Ӧ�������մ��Ӧ����Ӱ��.�������Сѹ������,��������Ӧ��С�ڴ��Ӧ��,����Ӧ��������-���¹����м�С,�ڼ�������м�������,���ձ���Ϊ���Ӧ��.����Ӧ���Դ��Ӧ��Ӱ���С,���Ӧ��ȴ���׸ı���ԭ������Ӧ���Ĵ�С�ͷֲ�.
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Abstract�� The residual stresses of 7075 aluminum alloy thick-plate in the process of rolling and quenching was simulated by using highly non-liner software MSC.Marc and elas-plastic large deformation FEM methods. In addition, the residual stresses of rolling, temperature rising-preservation-falling were simulated respectively, and the influence of rolling stress and temperature rising-preservation stress towards quenching stress were studied too. The result shows that in small reduction case, the whole rolling stress is smaller than quenching stress; the rolling stress decreases when temperature rising-preservation and increases rapidly when quenching, the last stress remained is quenching stress. The influence of rolling stress towards quenching stress is little, but quenching stress totally changes the original rolling stress.
Keywords�� residual stresses   cold rolling   quenching   heat treatment   plastic deformation     
Received 2004-11-12;
Fund:

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About author: ������(1977-),Ů,ɽ��������,��ʿ��, lily buaa2002@sina.com.cn.
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������, ���Զ�.��������Ӧ���ֲ������Ͻ�����Ӧ������[J]  �������պ����ѧѧ��, 2006,V32(01): 88-91
Zhao Lili, Zhang Yidu.FEM simulation for residual stress in quenched aeronautics aluminum alloy thick-plate based on rolled residual stresses distribution[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2006,V32(01): 88-91
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