公开(公告)号：US06959916B2

公开(公告)日：2005-11-01

申请号：US10288397

申请日：2002-11-06

申请人： Mitsuo Chigasaki ,  Shizuo Matsushita ,  Jiro Kuniya ,  Yoshihisa Kiyotoki ,  Kikuo Takeshima ,  Akira Sakamoto ,  Yoshiteru Chiba

发明人： Mitsuo Chigasaki ,  Shizuo Matsushita ,  Jiro Kuniya ,  Yoshihisa Kiyotoki ,  Kikuo Takeshima ,  Akira Sakamoto ,  Yoshiteru Chiba

IPC分类号： G21D1/00 ,  B22F5/00 ,  B22F7/06 ,  C22C1/05 ,  C22C19/05 ,  C22C38/12 ,  C22C38/32 ,  C22C38/34 ,  F16K3/12 ,  F16K25/00 ,  G12C15/00

CPC分类号： C22C19/055 ,  B22F7/062 ,  B22F2998/10 ,  C22C19/056 ,  C22C19/057 ,  C22C19/058 ,  C22C2204/00 ,  F16K3/12 ,  F16K25/005 ,  Y10T137/7036 ,  B22F9/082 ,  B22F3/15 ,  B22F3/20

摘要： A valve which is cobalt-free excellent in wear resistance and seizure resistance manufactured by forming valve seats for a valve disc and a valve body with a nickel base alloy in which silicide particles or boride particles of small particle size are finely dispersed, and the valve seat is bonded to the valve disc or the valve body by way of an insert material comprising a nickel base alloy of a lower melting point by transient liquid phase diffusion bonding.

摘要翻译： 通过形成用于阀盘的阀座和具有细小颗粒尺寸的硅化物颗粒或硼化物颗粒的镍基合金的阀体而制造的无钴的耐磨性和耐咬合性优异的阀，以及阀 通过瞬时液相扩散接合，通过包括较低熔点的镍基合金的插入材料将阀座结合到阀盘或阀体。

公开(公告)号：US5633094A

公开(公告)日：1997-05-27

申请号：US548758

申请日：1995-10-26

申请人： Kikuo Takeshima ,  Shin Kumagai ,  Masato Koshiishi ,  Yositeru Chiba

发明人： Kikuo Takeshima ,  Shin Kumagai ,  Masato Koshiishi ,  Yositeru Chiba

IPC分类号： B23K9/04 ,  B23K35/30 ,  C22C19/05 ,  F16K25/00 ,  B32B15/04 ,  F16K25/04

CPC分类号： C22C19/057 ,  B23K35/304 ,  C22C19/056 ,  F16K25/005 ,  B23K9/04 ,  Y10T428/12937 ,  Y10T428/12944

摘要： Hard facing layers provided on engagement portions of a valve body and engagement portions of a valve box of a valve apparatus, consisting of cobalt-free Ni-base alloys. One of the Ni-base alloys for the hard facing layers comprises not more than 15% Fe and less than 2% W (tungsten), and the other comprises more than 15% Fe. More specifically, one of the cobalt-free Ni-base alloys essentially consists of, by weight, 15 to 20% Cr, 5 to 10% Si, 10 to 15% Fe, less than 2% W, and the balance of Ni and unavoidable impurities, and has a Vickers hardness (Hv) 510 to 630, and the other essentially consists of, by weight, 5 to 15% Cr, 5 to 10% Si, more than 15% and not more than 30% Fe, 1 to 4% W, and the balance of Ni and unavoidable impurities, and has a Vickers hardness (Hv) 400 to 470. The valve apparatus of the invention is suitably installed in a water pipe line which communicates with a nuclear reactor.

摘要翻译： 设置在阀体的接合部分和由不含钴的Ni基合金构成的阀装置的阀盒的接合部分的硬质面层。 用于硬面层的Ni基合金之一包括不超过15％的Fe和小于2％的W（钨），另一种包括大于15％的Fe。 更具体地说，无钴Ni基合金中的一种基本上由以重量计15％至20％的Cr，5至10％的Si，10至15％的Fe，小于2％的W，余量为Ni和 不可避免的杂质，维氏硬度（Hv）为510〜630，另外基本上由重量比5〜15％的Cr，5〜10％的Si，15％以上30％以下的Fe，1 至4％W，余量为Ni和不可避免的杂质，维氏硬度（Hv）为400〜470。本发明的阀装置适用于与核反应堆连通的水管线。