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1. 发明授权

US5830288A Titanium alloys having refined dispersoids and method of making 失效
标题翻译：具有精制分散体和制造方法的钛合金
公开(公告)号：US5830288A
公开(公告)日：1998-11-03
申请号：US619225
申请日：1996-03-20
申请人： Michael Francis Xavier Gigliotti, Jr. , Ernest Leroy Hall
发明人： Michael Francis Xavier Gigliotti, Jr. , Ernest Leroy Hall
IPC分类号： C22C14/00 , C22C32/00
CPC分类号： C22C32/0031 , C22C14/00 , B22F2998/10
摘要： Additions of a first alloy constituent of at least one element from the group consisting of Y, Sc, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, or any combinations of them, and a second alloy constituent of at least one element from the group consisting of C, Si, Ge, Sn and Pb, or any combinations of them, to Ti-base alloys can be employed so as to result in an alloy containing an very fine, substantially homogeneous oxide dispersoid of the first constituent, and produce alloys having improved tensile properties, especially tensile elongation. The dispersoid results from the decomposition of an intermediate phase dispersoid comprising a compound of the first and second constituents which results from rapid solidification of the alloy from a melt. It is preferred that the second alloy constituent should be at a concentration sufficient to form the intermediate phase with all of the element or elements comprising the first alloy constituent.
摘要翻译：从Y，Sc，La，Ce，Pr，Nd，Pm，Sm，Eu，Gd，Tb，Dy，Ho，Er，Tm，Yb和Lu组成的组中添加至少一种元素的第一合金成分，或它们的任何组合，并且可以使用由C，Si，Ge，Sn和Pb组成的组中的至少一种元素或它们的任意组合的第二合金成分与Ti基合金，从而得到在含有第一组分的非常细的基本上均匀的氧化物分散体的合金中，并且生产具有改善的拉伸性能，特别是拉伸伸长率的合金。分散体是由中间相分散体的分解产生的，该中间相分散体包含第一和第二组分的化合物，这是由熔体快速固化合金而产生的。优选地，第二合金成分的浓度足以形成中间相，其中所有的元素或元素都包含第一合金成分。

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