Vibration damping capacity of a Fe-16Cr-2.5M o alloy cantilever beam

Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (3) : 116-118.

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QI Dun-jie, LI Ning, HUANG Shu-ke, HUANG Yun

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Abstract

Acceleration sensors and strain sensorswere used to study damping properties ofaFe-16Cr-2. 5Mo alloy cantileverbeam and a 18-8 stainless steel cantileverbeam in frequency range of20Hz~ 400Hz under identical experimental conditions. The results indicated that the acceleration and strain of the Fe16Cr-2. 5Mo alloy beam (annealed at 1100e) decaymore significantly comparedwith those of the 18-8 stainless steelone. The results also showed that the acceleration peaks and strain peaks of the Fe-16Cr-2. 5Mo alloy beam are obviously lower than those of the 18-8 stainless steel one.

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Fe-16Cr-2. 5Mo alloy / damping properties / damping alloy

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QI Dun-jie;LI Ning;HUANG Shu-ke;HUANG Yun. Vibration damping capacity of a Fe-16Cr-2.5M o alloy cantilever beam[J]. Journal of Vibration and Shock, 2009, 28(3): 116-118