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    • 1. 发明授权
    • Cermet body and a method of making a cermet body
    • 金属陶瓷体和制造金属陶瓷体的方法
    • US08968642B2
    • 2015-03-03
    • US13325086
    • 2011-12-14
    • Malin MårtenssonGerold Weinl
    • Malin MårtenssonGerold Weinl
    • B22F3/10C22C1/05C22C29/10C22C29/02
    • C22C1/051C22C29/10
    • A TiC-based cermet body includes TiC and WC so that the atomic ratio Ti/W is between 2 to 5, and cobalt as the binder phase is present in an amount of between 5 to 25 vol %. Further, the cermet body has at least one element from group V of the periodic table, Mx, so that the atomic ratio Ti/Mx is between 4 to 20 and the atomic ratio W/Mx is between 1 to 6. The cermet body also has Cr in an amount such that the atomic Cr/Co ratio is from 0.025 to 0.14. The cermet body includes both undissolved TiC cores with a rim of (Ti,W,Mx)C alloy as well as (Ti,W,Mx)C grains which have been formed during sintering. A method of making a cermet body is also disclosed.
    • TiC基金属陶瓷体包括TiC和WC,原子比Ti / W为2〜5,作为粘结相的钴的存在量为5〜25体积%。 此外,金属陶瓷体具有至少一种来自元素周期表V的元素Mx,使得原子比Ti / Mx为4〜20,原子比W / Mx为1〜6。金属陶瓷体也 具有使原子Cr / Co比为0.025〜0.14的量的Cr。 金属陶瓷体包括具有(Ti,W,Mx)C合金边缘的未溶解的TiC芯以及在烧结期间形成的(Ti,W,Mx)C晶粒。 还公开了制造金属陶瓷体的方法。
    • 2. 发明申请
    • CERMET BODY AND A METHOD OF MAKING A CERMET BODY
    • CERMET身体和制造CERMET身体的方法
    • US20120156083A1
    • 2012-06-21
    • US13325086
    • 2011-12-14
    • Malin MårtenssonGerold Weinl
    • Malin MårtenssonGerold Weinl
    • B22F3/10C22C29/02
    • C22C1/051C22C29/10
    • A TiC-based cermet body includes TiC and WC so that the atomic ratio Ti/W is between 2 to 5, and cobalt as the binder phase is present in an amount of between 5 to 25 vol %. Further, the cermet body has at least one element from group V of the periodic table, Mx, so that the atomic ratio Ti/Mx is between 4 to 20 and the atomic ratio W/Mx is between 1 to 6. The cermet body also has Cr in an amount such that the atomic Cr/Co ratio is from 0.025 to 0.14. The cermet body includes both undissolved TiC cores with a rim of (Ti,W,Mx)C alloy as well as (Ti,W,Mx)C grains which have been formed during sintering. A method of making a cermet body is also disclosed.
    • TiC基金属陶瓷体包括TiC和WC,原子比Ti / W为2〜5,作为粘结相的钴的存在量为5〜25体积%。 此外,金属陶瓷体具有至少一种来自元素周期表V的元素Mx,使得原子比Ti / Mx为4〜20,原子比W / Mx为1〜6。金属陶瓷体也 具有使原子Cr / Co比为0.025〜0.14的量的Cr。 金属陶瓷体包括具有(Ti,W,Mx)C合金边缘的未溶解的TiC芯以及在烧结期间形成的(Ti,W,Mx)C晶粒。 还公开了制造金属陶瓷体的方法。
    • 5. 发明授权
    • Titanium based carbonitride alloy with binder phase enrichment
    • 钛基碳氮化物合金,具有粘结相富集
    • US5694639A
    • 1997-12-02
    • US593905
    • 1996-01-30
    • Rolf Gregor OskarssonGerold Weinl
    • Rolf Gregor OskarssonGerold Weinl
    • C04B35/56B22F3/10C04B35/64C22C1/05C22C29/04B22F3/00
    • C22C29/04B22F3/101B22F2998/00Y10T428/12021Y10T428/12056Y10T428/12993
    • A sintered body of titanium based carbonitride alloy containing hard constituents based on, in addition to titanium, one or more of the metals Zr, Hf, V, Nb, Ta, Cr, No or W in 5-30% binder phase based on Co and/or Ni is disclosed. The body has a binder phase enriched surface zone with a higher binder phase content than in the inner portion of the body in combination with an enrichment of simple hard constituents, i.e., the share of grains with core-rim structure is lower in the surface zone than in the inner of the body. A method of manufacturing the sintered carbonitride alloy is also provided which comprises forming a powder mixture containing binder phase containing Co and/or Ni and hard constituents of carbides and nitrides with titanium as a main component, the mixture having composition which is substoichiometric regarding an interstitial balance and sintering the mixture to completely transform the substoichiometric phases to stoichiometric by heating a) in vacuum to 1100-1200 C., b) in vacuum at about 1200 C. for about 30 minutes, c) in deoxidizing H.sub.2 -atmosphere for 15-30 minutes at about 1200 C., d) in N.sub.2 -atmosphere during heating to sintering temperature 1400-1600 C., and e) cooling to room temperature in vacuum or inert gas.
    • 一种钛基碳氮化物合金烧结体,其特征在于除了钛之外还含有一种或多种基于Co的5-30%粘结相中的一种或多种金属Zr,Hf,V,Nb,Ta,Cr,No或W 和/或Ni。 与身体的内部部分相比,身体具有较高的粘结相含量的粘结相富集的表面区域,并与简单的硬质成分的富集相结合,即表面区域中具有核心 - 边缘结构的颗粒份额较低 比在身体的内部。 还提供了一种制造碳化氮烧结合金的方法,该方法包括形成含有Co和/或Ni的粘结相的粉末混合物以及以钛为主要成分的碳化物和氮化物的硬成分,该混合物具有关于间隙的亚化学计量的组成 平衡并烧结混合物以通过在真空中加热a)在1100-1200℃,b)在约1200℃的真空中,将亚化学计量相完全转化为化学计量相约30分钟,c)在将H 2气氛中脱氧15- 在约1200℃下30分钟,d)在加热至烧结温度1400-1600℃期间的N 2气氛中,e)在真空或惰性气体中冷却至室温。