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1. 发明公开

EP2450136A1 CERMET AND COATED CERMET 审中-公开
标题翻译： CERMET和涂层CERMET
公开(公告)号：EP2450136A1
公开(公告)日：2012-05-09
申请号：EP10794176.7
申请日：2010-06-30
申请人： Tungaloy Corporation
发明人： TAKESAWA, Daisuke , TAMURA, Keitaro , HARA, Hiroki , KITAMURA, Kozo , TANIGUCHI, Yasuro , HAYASHI, Koji
IPC分类号： B23B27/14 , C22C1/05 , C22C29/08
CPC分类号： C23C30/005 , B22F2207/03 , B22F2999/00 , C22C1/051 , C22C29/08 , Y10T428/12146 , B22F3/101
摘要： The present invention is to provide a cermet which comprises a first hard phase comprising WC, a second hard phase comprising at least one selected from a carbide, nitride and carbonitride of an element(s) of groups 4, 5 and 6 of the Periodic Table including a titanium element, and a mutual solid solution thereof, and a binder phase mainly comprising an iron-group metal, wherein a carbon amount C T (% by weight) contained in a whole cermet, a tungsten amount C w (% by weight) contained in the whole cermet, and a nitrogen amount C N (% by weight) contained in the whole cermet satisfy 0.25 N /(C T -0.0653·C W ))
摘要翻译：本发明提供了一种金属陶瓷，其包含含WC的第一硬相和含有选自周期表第4,5和6族元素的碳化物，氮化物和碳氮化物中的至少一种的第二硬相包括钛元素及其相互固溶体，以及主要包含铁族金属的粘结相，其中包含在整个金属陶瓷中的碳量CT（重量％），钨量Cw（重量％）包含在全部金属陶瓷中，包含在全部金属陶瓷中的氮量CN（重量％）满足0.25 <（CN /（CT-0.0653·CW））<6时，金属陶瓷由厚度为5的表面积至100μm并且包含第一硬质相和粘合剂相，并且内部区域存在于比表面区域更靠内的区域处并且包括第一硬质相，第二硬质相和粘合剂相，并且面积比第一硬质相的面积比与第二硬质相的面积比相对应金属陶瓷内部区域的截面结构为0.15至4。

2. 发明公开

EP2407263A1 CERMET AND COATED CERMET 有权
标题翻译： CERMET UND BESCHICHTETES CERMET
公开(公告)号：EP2407263A1
公开(公告)日：2012-01-18
申请号：EP10750847.5
申请日：2010-03-10
申请人： Tungaloy Corporation
发明人： TAMURA, Keitaro , TAKESAWA, Daisuke , HARA, Hiroki , KITAMURA, Kozo , TANIGUCHI, Yasuro , HAYASHI, Koji , MATSUMOTO, Akihiro , CHO, Sung-Pyo
IPC分类号： B23B27/14 , C22C1/05 , C22C29/04
CPC分类号： C22C29/04 , C22C2204/00 , C23C14/06 , C23C16/30 , Y10T428/26 , Y10T428/30 , Y10T428/31678
摘要： The present invention is to provide a cermet which comprising a hard phase which contains W and nitrogen, and comprises at least one selected from a carbide, nitride and carbonitride of a metal comprising Ti as a main component, and a binder phase comprising an iron group metal as a main component, wherein a W amount contained in the whole cermet is 5 to 40% by weight, an interfacial phase comprising a complex carbonitride with a larger W amount than a W amount of the hard phase being present between the hard phase and the hard phase, and when a W amount contained in the interfacial phase based on the whole metal element is represented by Wb (atomic %), and a W amount contained in the hard phase based on the whole metal element is represented by Wh (atomic %), then, an atomic ratio of Wb to Wh (Wb/Wh) being 1.7 or more, which is excellent in fracture resistance and wear resistance.
摘要翻译：本发明提供一种金属陶瓷，其包含含有W和氮的硬相，并且包含选自包含Ti作为主要成分的金属的碳化物，氮化物和碳氮化物中的至少一种，以及包含铁基团的粘结相金属作为主要成分，其中包含在整个金属陶瓷中的W含量为5〜40重量％，界面相包含复合碳氮化物，其中W量大于硬相的W量在硬相和硬质相，并且当基于整个金属元素包含在界面相中的W量由Wb（原子％）表示时，并且基于整个金属元素包含在硬质相中的W量由Wh（原子）表示％），则Wb与Wh（Wb / Wh）的原子比为1.7以上，耐断裂性和耐磨性优异。

3. 发明公开

EP2564958A1 CERMET AND COATED CERMET 审中-公开
标题翻译： CERMET UND BESCHICHTETES CERMET
公开(公告)号：EP2564958A1
公开(公告)日：2013-03-06
申请号：EP11774978.8
申请日：2011-04-26
申请人： Tungaloy Corporation
发明人： TAMURA, Keitaro , TANIGUCHI, Yasuro , HAYASHI, Koji
IPC分类号： B23B27/14 , C22C29/04 , C22C1/05
CPC分类号： C22C29/04 , B22F3/101 , B22F3/1021
摘要： This is to provide a cermet excellent in wear resistance and fracture resistance, and its tool life is stable.
The cermet comprises First hard phase of a complex carbonitride solid solution, Second hard phase of WC, and a binder phase mainly comprising Co and Ni as a main component(s), First hard phase comprises core/rim structure wherein the core is a complex carbonitride solid solution represented by (Ti 1-x- yL x Mo y )(C 1-z N z ), wherein L represents at least one element selected from the group consisting of Zr, Hf, Nb and Ta, x, y and z each satisfy 0.01≦x≦0.5, 0≦y≦0.05 and 0.05≦z≦0.75, and the rim is a complex carbonitride solid solution represented by (Ti 1-a-b-d R a Mo b W d )(C 1-e N e ), wherein R represents at least one element selected from the group consisting of Zr, Hf, Nb and Ta, a, b, d and e each satisfy 0.01≦a≦0.5, 0≦b≦0.05, 0.01≦d≦0.5 and 0.05≦e≦0.75, and a number of the core/rim structure grains of First hard phase which satisfy the maximum thickness r max of the rim of the core/rim structure grains of First hard phase and the minimum thickness r min of the rim of the core/rim structure grains of First hard phase being 0.2≦(r mix /r max )≦1 is 85% or more based on the total number of the core/rim structure grains of First hard phase.
摘要翻译：这是为了提供耐磨性和耐断裂性优异的金属陶瓷，其使用寿命是稳定的。金属陶瓷包括复合碳氮化物固溶体的第一硬质相，WC的第二硬质相和主要包含Co和Ni作为主要成分的粘结相。第一硬质相包括芯/边缘结构，其中核是复合物（Ti 1-x-yL x Mo y）（C 1-z N z）表示的碳氮化物固溶体，其中L表示选自Zr，Hf，Nb和Ta中的至少一种元素，x，y和 z分别满足0.01‰| x‰|0.5,0‰|‰| 0.05和0.05‰| z‰|0.75，边缘是由（Ti 1-abd R a Mo b W d）表示的复杂碳氮化物固溶体，（C 1-e N e），其中R表示选自Zr，Hf，Nb和Ta中的至少一种元素，a，b，d和e各自满足0.01‰| a‰|0.5,0‰| b‰|0.05,0.01‰| d‰| 0.5和0.05‰|‰|0.75，第一硬质相的芯/边缘结构晶粒数满足芯/边缘边缘的最大厚度r max 第一硬石的结构颗粒 e和第一硬质相的芯/边缘结构晶粒边缘的最小厚度r min为0.2‰|（r mix / r max）‰|1为85％以上，基于芯/边缘的总数第一硬相结构晶粒。

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