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Copper alloy expansion material, production manner of copper alloy part and copper alloy expansion material
Copper alloy expansion material, production manner of copper alloy part and copper alloy expansion material
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机译：铜合金膨胀材料，铜合金零件的生产方式和铜合金膨胀材料
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Topic While being superior in machinability, and the extensity lightening environmental load, the high intensity or it offers the copper alloy expansion material which is optimum to the application which needs high conductivity. SolutionsNi 1.5 - 7.0mass%, Si 0.3 - 2.3mass%, S is contained 0.02 - 1.0mass%, being the copper alloy expansion material where the remainder consists of Cu and the inevitable impurity, area factor of the sulfide of the profile which is parallel to expansion direction exists while crystallizing of the matrix of 40% or more, aspect ratio of the profile which is parallel to expansion direction the sulfide of the 1:1 - the 1:100 distributes to the matrix, at the same time, stretch strength above 500MPa, the copper alloy expansion material where conductivity is above 25%IACS. Choice figure It is not
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