(1.哈爾濱理工大學(xué)材料科學(xué)與工程系， 哈爾濱 150080;2.哈爾濱市包裝總公司， 哈爾濱 150010)
摘 要: 研究了合金元素Zn、 Al對(duì)新型減振降噪(高阻尼)鑄造Mn- Cu合金Ms點(diǎn)、 減振性能及力學(xué)性能的影響，重點(diǎn)討論了合金成分與減振性能SDC及力學(xué)性能的關(guān)系。開發(fā)了高 阻 尼、 高強(qiáng)度錳銅基阻尼合金ZMnD-1J，最優(yōu)成分為Mn50%、Zn 5%、Al 2%、 余量Cu。典型性能：SDC=44.5%,σb=678MPa, δ=24.1%。 Mn-Cu 系新型高阻尼功能材料的減振能力很高，同時(shí)力學(xué)性能可達(dá)ZGD345-570的水平, 可做結(jié) 構(gòu)材料使用。
關(guān)鍵字: 減振合金 Mn-Cu合金 合金元素 Ms點(diǎn) 減振性能SDC 力學(xué)性能
（1.Harbin University of Science and Technolgy, Harbin 150080, P. R. China;
2.Harbin Packing General Company, Harbin 150010, P. R. China）
Abstract:The effects of the elements of zinc and aluminium on Ms point damping and mechanical property of Mn-Cu alloy were studied. The relations between the alloy components with damping property and mechanical property were also discussed. So a kind of high damping, high strength Mn-Cu matrix alloy (ZMnD-1J) was exploited, whose best constituent is Mn 50%, Zn 5%, Al 2%, and Cu the balence. The typical properties SDC=44.5%, σb=678 MPa, δ=24.1%. The damping capacity of Mn-Cu high damping material is high, meanwhile its mechanical properties are comparable with that of ZGD345-570. It can be used as structural material.
Key words: damping alloy Mn-Cu alloy alloy elements Ms point damping perty mechanical property
