【摘 要】
：
Based on excitation-resonance mass testing principle,a proper experiment testing system is designed for annular parts.The dynamics characters of the axis sleeve
【机 构】
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School of Mechanical and Vehicular Engineering,Luoyang Ship Material Research Institute
论文部分内容阅读
Based on excitation-resonance mass testing principle,a proper experiment testing system is designed for annular parts.The dynamics characters of the axis sleeve,which is made of a new Mn-Cu alloy and used as a vibration reductor in high acceleration rotary testing machine for fusee,is investigated.The relationship between stiffness coefficient and utilizing frequency is obtained,and the simplified dynamics model of crystal is established.From the viewpoint of crystal microstructure of the Mn-Cu alloy,the experiment result is analyzed by the viscoelastic theory,and the characters of stress and strain in the condition of high frequency are discussed.The results indicate that the Mn-Cu alloy annular parts are fit to be used on the high accleration rotary testing machine for fusee.
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