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1. 发明专利

JP2012193430A Cemented carbide 有权
标题翻译：硬质合金
公开(公告)号：JP2012193430A
公开(公告)日：2012-10-11
申请号：JP2011059361
申请日：2011-03-17
申请人： Dijet Industrial Co Ltd , ダイジ▲ェ▼ット工業株式会社
发明人： HOSODA YUKIHIRO , SAKAGAMI KUSUHIKO , YAMAMOTO TSUTOMU
IPC分类号： C22C29/08
摘要： PROBLEM TO BE SOLVED: To provide a cemented carbide which is excellent in wear resistance, chipping resistance and welding resistance even in high speed cutting and heavy feed cutting, and in which an amount of WC used is reduced compared with the conventional cemented carbide.SOLUTION: In the cemented carbide, the amount of a hard phase component comprising WC, Ti(C, N), (Ta, Nb)C (including the case of Nb=0) and MoC is 80-92 wt.%, and the amount of a binding phase component comprising Co and/or Ni is in the range of 8-20 wt.%, wherein the amount of MoC of the hard phase component is 5-15 wt.%, and the amount of Ti (C, N) is in the range of 8-35 wt.%. The alloy structure is composed of four phases of a WC phase, a (W, Ti, Ta, Nb, Mo)(C, N) phase (including the case of Nb=0), a Ti(C, N) phase and a binding phase, and the average particle diameter of the WC phase is 0.8 μm or less.
摘要翻译：要解决的问题：提供即使在高速切削和重的进料切削中也具有优异的耐磨性，耐崩裂性和耐焊接性的硬质合金，并且与常规胶合相比，使用的WC量减少碳化物。解决方案：在硬质合金中，包含WC，Ti（C，N），（Ta，Nb）C（包括Nb = 0的情况）和Mo 2 C为80-92重量％，包含Co和/或Ni的结合相组分的量在8-20重量％的范围内，其中Mo 2℃是5-15重量％，Ti（C，N）的量在8-35重量％的范围内。合金结构由WC相，（W，Ti，Ta，Nb，Mo）（C，N）相（包括Nb = 0的情况），Ti（C，N）相和结合相，WC相的平均粒径为0.8μm以下。版权所有（C）2013，JPO＆INPIT

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