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High Damping Alloys and Their Application

High Damping Alloys and Their Application

作     者:Fuxing Yin 

作者机构:National Research Institute for Metals Tsukuba 305-0047 Japan 

出 版 物:《材料科学与工程学报》 (Journal of Materials Science and Engineering)

年 卷 期:2000年第20卷第z1期

页      面:48-55页

核心收录:

学科分类:08[工学] 0805[工学-材料科学与工程(可授工学、理学学位)] 080502[工学-材料学] 

主  题:damping capacity damping behavior industrial applications mechanical properties alloy microstructure physical mechanisms damping alloy methods of 

摘      要:Damping alloys show prospective applications in the elimination of unwanted vibrations and acoustic noise. The basic definitions and characterization methods of damping capacity are reviewed in this paper. Several physical mechanisms controlled by the alloy microstructure are responsible for the damping behavior in the damping alloys. Composite, dislocation, ferromagnetic and planar defect types are commonly classified for the alloys, which show the different damping behavior against temperature, frequency of vibration,amplitude of vibration and damping modes. Development of practically applicable damping alloys requires the higher mechanical properties and adequate workability, besides the high damping capacity. A new Mn-Cu damping alloy, named as M2052 alloy, is recently developed with possible industrial applications.

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