High-strength titanium alloy member and process for production thereof
    77.
    发明专利
    High-strength titanium alloy member and process for production thereof 有权
    高强度钛合金会员及其生产工艺

    公开(公告)号:JP2012041609A

    公开(公告)日:2012-03-01

    申请号:JP2010184838

    申请日:2010-08-20

    摘要: PROBLEM TO BE SOLVED: To provide a high-strength titanium alloy material which is highly strengthened in whole by applying nitrogen in a highly versatile α-β type titanium alloy.SOLUTION: A process for producing the high-strength titanium alloy member includes: a step of preparing a sintering titanium alloy raw material that serves as a raw material for a sintered product; a nitrogenation step of forming a nitrogen compound layer and/or a nitrogen solid solution layer on the surface layer of the sintering titanium alloy raw material by a nitrogenation treatment to produce a nitrogen-containing sintering titanium alloy raw material; a mixing step of mixing the sintering titanium alloy raw material with the nitrogen-containing sintering titanium alloy raw material to produce a sintering titanium alloy raw material containing a nitrogen-containing titanium alloy; and a sintering step of bonding the raw materials to each other in the sintering titanium alloy raw material containing the nitrogen-containing titanium alloy and dispersing nitrogen contained in the nitrogen compound layer and/or the nitrogen solid solution layer in the nitrogen-containing sintering titanium alloy raw material uniformly in the form of a solid solution in the whole of the inside of the titanium alloy member after sintering.

    摘要翻译: 要解决的问题:提供一种通过在高通用性α-β型钛合金中施加氮气而整体高度强化的高强度钛合金材料。 解决方案:一种制造高强度钛合金构件的方法包括:制备用作烧结产品原料的烧结钛合金原料的步骤; 通过氮化处理在烧结钛合金原料的表层上形成氮化合物层和/或氮固溶层的氮化步骤,以制备含氮烧结钛合金原料; 将烧结钛合金原料与含氮烧结钛合金原料混合以制备含有含氮钛合金的烧结钛合金原料的混合步​​骤; 以及烧结步骤,在含有含氮钛合金的烧结钛合金原料中将原料彼此粘合,并将含氮化合物层和/或氮固溶体层中的氮分散在含氮烧结钛中 合金原料在烧结后在钛合金构件的整个内部均匀地呈固溶形式。 版权所有(C)2012,JPO&INPIT