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《GRYOGENICS》 1995-02
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Experimental Studies of Vibration Characteristic and Mechanical Parameters of Al-alloy Plate at Low Temperatures

TuZhihua;Zhang Zhong; Zhao Lizhong;Zhang Peiqiang  
In this paper,the vibrational characterisitc of Al-alloy plate at low temperatures is studied bythe experimental strain modal analysis meth-od.Some mechanical parameters such as dynamic Young's moduli E,shear-moduli G and Possion's ratio γ are drawn out from the modal parameters which are identified by system identification techniques in the time do-main,and it shows that the mechanical parameters value of Al-alloy vary with the temperature.
【Fund】: 国家自然科学基金 清华大学强度与振动开放实验室国家教委基金
【CateGory Index】: V252
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Chinese Journal Full-text Database 10 Hits
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