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MELTED-SOLIDIFIED MATTER, COPPER ALLOY MATERIAL FOR MELTING-SOLIDIFICATION, AND PROCESS FOR PRODUCING THE SAME
MELTED-SOLIDIFIED MATTER, COPPER ALLOY MATERIAL FOR MELTING-SOLIDIFICATION, AND PROCESS FOR PRODUCING THE SAME
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机译:熔融固化的材料,用于熔融固化的铜合金材料及其制造方法
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摘要
A melt-solidified substance includes melt-solidified portions formed by welding, build-up spray welding, metallizing or fusing. The melt-solidified portions have the alloy composition containing Zr: 0.0005 to 0.05 mass%, P: 0.01 to 0.34 mass%, Cu: the remainder and satisfying the relationship between the contents of P and Zr, [P] / [Zr] - 0.3 to 20, and the mean grain size in the macrostructure after melt-solidification is 300 µm or less. If Fe and/or Ni are contained in the melt-solidified portion as inevitable impurities, the content of Fe or Ni is restricted to be 0.3 mass% or less when either Fe or Ni is contained, and the total content of Fe and Ni is restricted to be 0.4 mass% or less when both Fe and Ni are contained.
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