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1. 发明公开

EP2971199A1 ULTRA HIGH STRENGTH COPPER-NICKEL-TIN ALLOYS 有权
标题翻译： ULTRAHOCHFESTE KUPFER-NICKEL-ZINN-LEGIERUNGEN
公开(公告)号：EP2971199A1
公开(公告)日：2016-01-20
申请号：EP14769653.8
申请日：2014-03-11
申请人： Materion Corporation
发明人： WETZEL, John F. , SKORASZEWSKI, Ted
IPC分类号： C22C9/00 , C22F1/08
摘要： The present disclosure relates to ultra high strength wrought copper—nickel—tin alloys and processes for improving the yield strength of the copper—nickel—tin alloy such that the resulting 0.2% offset yield strength is at least 175 ksi. The alloy includes about 14.5 wt % to about 15.5% nickel, about 7.5 wt % to about 8.5% tin, and the remaining balance is copper. The steps include cold working the copper—nickel—tin alloy wherein the alloy undergoes between 50%-75% plastic deformation. The alloy is heat treated at elevated temperatures between about 740° F. and about 850° F. for a time period of about 3 minutes to 14 minutes.
摘要翻译：本公开内容涉及超高强度锻造铜 - 镍锡合金和用于提高铜 - 镍 - 锡合金的屈服强度的方法，使得所得到的0.2％偏移屈服强度至少为175ksi。该合金包括约14.5重量％至约15.5重量％的镍，约7.5重量％至约8.5重量％的锡，余下的其余为铜。这些步骤包括对铜 - 镍 - 锡合金进行冷加工，其中合金经历50％-75％的塑性变形。该合金在约740°F至约850°F的高温下热处理约3分钟至14分钟的时间。

2. 发明授权

EP2971199B1 METHOD FOR PRODUCING ULTRA HIGH STRENGTH COPPER-NICKEL-TIN ALLOYS 有权
公开(公告)号：EP2971199B1
公开(公告)日：2020-09-02
申请号：EP14769653.8
申请日：2014-03-11
申请人： Materion Corporation
发明人： WETZEL, John F. , SKORASZEWSKI, Ted
IPC分类号： C22C9/06 , C22F1/08

3. 发明公开

EP2971215A1 IMPROVING FORMABILITY OF WROUGHT COPPER-NICKEL-TIN ALLOYS 有权
标题翻译：铜镍锡锻造合金成型性提高
公开(公告)号：EP2971215A1
公开(公告)日：2016-01-20
申请号：EP14774288.6
申请日：2014-03-11
申请人： Materion Corporation
发明人： WETZEL, John F. , SKORASZEWSKI, Ted
IPC分类号： C22F1/08 , C22F1/10 , C22C9/06
CPC分类号： C22F1/08 , C22C9/06 , C22F1/10
摘要： Disclosed are processes for improving the formability of a copper-nickel-tin alloy having a 0.2% offset yield strength that is above 115 ksi. The alloy includes about 14.5 to about 15.5 wt % nickel, about 7.5 to about 8.5 wt % tin, and the remaining balance is copper. The copper-nickel-tin alloy is mechanically cold worked to undergo between 5% and 15% plastic deformation. The alloy is then heat treated at elevated temperatures of about 450° F. to about 550° F. for a period of about 3 hours to about 5 hours. The alloy is then subsequently mechanically cold worked again to undergo between 4% and 12% plastic deformation. The alloy is then further heated to an elevated temperature of about 700° F. to about 850° F. for a period between about 3 minutes and about 12 minutes to relieve stress. The resulting alloy has a combination of good formability ratio and good yield strength.

4. 发明公开

EP3536819A1 PROCESS FOR IMPROVING FORMABILITY OF WROUGHT COPPER-NICKEL-TIN ALLOYS 有权
公开(公告)号：EP3536819A1
公开(公告)日：2019-09-11
申请号：EP19169395.1
申请日：2014-03-11
申请人： Materion Corporation
发明人： WETZEL, John F. , SKORASZEWSKI, Ted
IPC分类号： C22F1/08 , C22F1/10 , C22C9/06
摘要： Disclosed are processes for improving the formability of a copper-nickel-tin alloy having a 0.2% offset yield strength that is above 115 ksi. The alloy includes about 14.5 to about 15.5 wt% nickel, about 7.5 to about 8.5 wt% tin, and the remaining balance is copper. The copper-nickel-tin alloy is mechanically cold worked to undergo between 5% and 15% plastic deformation. The alloy is then heat treated at elevated temperatures of about 450°F to about 550°F for a period of about 3 hours to about 5 hours. The alloy is then subsequently mechanically cold worked again to undergo between 4% and 12% plastic deformation. The alloy is then further heated to an elevated temperature of about 700°F to about 850°F for a period between about 3 minutes and about 12 minutes to relieve stress. The resulting alloy has a combination of good formability ratio and good yield strength.

5. 发明授权

EP2971215B1 PROCESS FOR IMPROVING FORMABILITY OF WROUGHT COPPER-NICKEL-TIN ALLOYS 有权
公开(公告)号：EP2971215B1
公开(公告)日：2019-04-17
申请号：EP14774288.6
申请日：2014-03-11
申请人： Materion Corporation
发明人： WETZEL, John F. , SKORASZEWSKI, Ted
IPC分类号： C22F1/08 , C22F1/10 , C22C9/06

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