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1. 发明专利

JP2009191337A Copper based alloy for mold, having excellent high temperature fatigue strength and wear resistance 审中-公开
标题翻译：基于铜的合金，具有优异的高温疲劳强度和耐磨性
公开(公告)号：JP2009191337A
公开(公告)日：2009-08-27
申请号：JP2008035475
申请日：2008-02-18
申请人： Chuetsu Metal Works Co Ltd , 中越合金鋳工株式会社
发明人： YAGO WATARU , YAMAMOTO KENZO , KITAYAMA SUSUMU , KONAKA OSAMU , TABATA HIRONOBU , NAKATA YOSUKE , NAKAMURA TOMOHIKO
IPC分类号： C22C9/00 , C22C9/01 , C22C9/02 , C22C9/05 , C22C9/06 , C22C9/08 , C22C9/10
摘要： PROBLEM TO BE SOLVED: To provide a copper based alloy for a mold particularly having excellent high temperature fatigue strength and wear resistance, and further, to provide a copper based alloy for a mold also having creep properties (high temperature strength), tensile strength, electric conductivity, heat resistance, ductility, bending workability or the like, and in which, regarding production, cold forging whose cost is made high can be obviated.
SOLUTION: A copper based alloy for a mold as the first invention comprises, by wt.%, 0.05 to 1.0% Ti, 0.05 to 2.0% Cr and 0.05 to 0.7% Zr, and the balance Cu with impurities, and having excellent high temperature fatigue strength and wear resistance. A copper based alloy for a mold as the second invention further comprises one or more kinds of elements selected from 0.05 to 1.5% Ni, 0.03 to 1.0% Nb and 0.05 to 1.0% Sn in the first invention. A copper based alloy for a mold as the third invention further comprises one or more kinds of elements selected from 0.05 to 1.0% Fe, 0.10 to 1.0% Co, 0.05 to 1.5% Mn, 0.01 to 2.0% Al, 0.01 to 1.0% Mg, 0.01 to 1.5% Si, 0.001 to 1.0% B, 0.01 to 1.0% Be, 0.05 to 1.0% Pb and 0.05 to 1.0% Bi in the first invention.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供特别是具有优异的高温疲劳强度和耐磨性的模具的铜基合金，并且为了提供具有蠕变性（高温强度）的模具的铜基合金，拉伸强度，导电性，耐热性，延展性，弯曲加工性等，并且在制造中，可以避免成本高的冷锻。解决方案：作为第一发明的用于模具的铜基合金以重量％计含有0.05至1.0％的Ti，0.05至2.0％的Cr和0.05至0.7％的Zr，余量为Cu与杂质，并且具有优异的高温疲劳强度和耐磨性。作为第二发明的用于模具的铜基合金还包含选自第一发明中的0.05至1.5％的Ni，0.03至1.0％的Nb和0.05至1.0％的Sn中的一种或多种元素。作为第三发明的用于模具的铜基合金还包含选自以下的一种或多种元素：Fe：0.05〜1.0％，Co：0.10〜1.0％，Mn：0.05〜1.5％，Al：0.01〜2.0％，Al：0.01〜1.0％，0.01〜1.5％的Si，0.001〜1.0％的B，0.01〜1.0％的Be，0.05〜1.0％的Pb和0.05〜1.0％的Bi。版权所有（C）2009，JPO＆INPIT

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