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31.发明公开Method for imparting strength and ductility to intermetallic phases 失效Verfahren zur Erteilung von Festigkeit undDuktilitätzu intermetallische Phasen。
公开(公告)号：EP0175899A1
公开(公告)日：1986-04-02
申请号：EP85110016.4
申请日：1985-08-08
IPC分类号： C22C19/00
CPC分类号： C22C45/04
摘要： A method for achieving both improved strength and improved ductility in intermediate phases is provided. The method, briefly stated, comprises the steps of providing a melt whose composition substantially corresponds to that of a preselected intermetallic phase having a crystal structure of the L1 2 type, such as nickel aluminide, modified with from about 0.01 to 2.5 atomic percent boron, and modified further with cobalt substituent metal and rapidly solidifying the melt at a cooling rate of at least about 10 3° C/second to form a solid body, the principal phase of which is of the L1 2 type crystal structure in either its ordered or disordered state.
摘要翻译： 提供了一种在中间阶段实现提高强度和改善延展性的方法。 简单地说，该方法包括提供熔体，其组成基本上对应于具有L12型晶体结构的预选金属间化合物的熔体，例如用约0.01至2.5原子％硼改性的镍铝化物，以及 用钴取代金属进一步改性，并以至少约10℃/秒的冷却速率快速固化熔体，以形成固体，其主相具有L12型晶体结构，其任一或者有序或 无序状态
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