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�������պ����ѧѧ�� 2007, Vol. 33 Issue (05) :531-534    DOI:
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���1, ���2, ����ͬ1, ����Ǭ1*
1. �������պ����ѧ ���տ�ѧ�빤��ѧԺ, ���� 100083;
2. �й�һ���������Ǽ������Լ����о���[KG*2]�����Ƽ��ص�ʵ����, ���� 100095
Mechanical properties of 2A12 Al alloy at transient heating
Wu Dafang1, Song Hao2, Gao Zhentong1, Yan Zhenqian1*
1. School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;
2. National Laboratory Metrology and Calibration of Changcheng Institute of Metrology & Measurement, Beijing 100095, China

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Abstract�� Testing and determining the pivotal parameters such as ultimate strength and thermal stress at the complicated condition of transients heating is very important to the reliability estimate, life prediction of aerospace materials and security design of the high-speed flight vehicle. Because there are no ultimate strength and other important token parameters at high temperature transients heating environment in the intensity design handbook yet, the high temperature ultimate strength and other mechanical properties of 2A12 Al alloy under different transient heating temperature and load environments was obtained by using experimental simulation system of the transients aerodynamic heating for high-speed flight vehicle. Reliable basis was provided for studying the loading capacity and weight lightened of aerospace materials and structure at transient heating environment.
Keywords�� aerodynamic heating   transients   aluminum alloys   thermal properties     
Received 2006-06-28;
About author: ���(1950-),��,���ϳ�ɳ��,����,wdf1950@163.com.
���, ���, ����ͬ, ����Ǭ.���Ͻ�2A12���ȳ�������µ���ѧ����[J]  �������պ����ѧѧ��, 2007,V33(05): 531-534
Wu Dafang, Song Hao, Gao Zhentong, Yan Zhenqian.Mechanical properties of 2A12 Al alloy at transient heating[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(05): 531-534
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