Noise reduction capacity of Fe-Cr-Moalloy

QI Dun-jie;LI Ning;YAN Jia-zhen;TENG Jin

Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (10) : 1-3.

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Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (10) : 1-3.
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Noise reduction capacity of Fe-Cr-Moalloy

  • QI Dun-jie;LI Ning;YAN Jia-zhen;TENG Jin
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Abstract

Abstract:Based in background of engineering application,how noise generatedunder free vibration and forced vibration with a Fe-Cr-Mo alloy component was studied compared compared with the 18-8 stainless steel component,the Fe-Cr-Mo alloy revealed lower noise response and higher damping performance.The effects of exciting force value on the peak of noise response and sound attenuation property of the two components were also studied.The results indicated that with increase in exciting force,the peak noise of both components correspondingly increased,but the peak noise of the peak noise of the Fe-Cr-Mo alloy was significantly lower than that of the 18-8 stainless steel component.The results also indicated that the Fe-Cr-Mo alloy component as a moise enclosure reduced the noise more than the 18-8 stainless steel one did.

Key words

damping alloy / Fe-Cr-Mo alloy / free vibration / forced vibration

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QI Dun-jie;LI Ning;YAN Jia-zhen;TENG Jin. Noise reduction capacity of Fe-Cr-Moalloy[J]. Journal of Vibration and Shock, 2009, 28(10): 1-3
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