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48 条记录 (耗时 0.024 秒)

    Hard alloy containing molybdenum and tungsten
    1.
    发明授权
    Hard alloy containing molybdenum and tungsten 失效
    含钼和钨的硬质合金

    公开(公告)号：US4265662A

    公开(公告)日：1981-05-05

    申请号：US971835

    申请日：1978-12-19

    申请人： Masaya Miyake ,  Minol Nakano ,  Takaharu Yamamoto ,  Akio Hara

    发明人： Masaya Miyake ,  Minol Nakano ,  Takaharu Yamamoto ,  Akio Hara

    IPC分类号： C22C29/00 ,  B22F3/00

    CPC分类号： C22C29/00

    摘要： This invention relates to a hard alloy comprising a hard phase consisting of at least one compound having a crystal structure of simple hexagonal MC type (M: metal; C: carbon) selected from the group consisting of mixed carbides, carbonitrides and carboxynitrides of molybdenum and tungsten as a predominant component, and a binder phase consisting of at least one element selected from the group consisting of iron, cobalt, nickel and chromium, in which a hard phase consisting of a compound of M.sub.2 C type having a crystal structure of hexagonal type is evenly dispersed.

    摘要翻译： 本发明涉及一种硬质合金，其包含由至少一种具有简单的六方晶系MC型（M：金属; C：碳）的晶体结构的化合物组成的硬质合金，所述晶体结构选自由混合碳化物，碳氮化物和钼的羧基氮化物组成的组， 钨作为主要组分，以及由选自铁，钴，镍和铬中的至少一种元素组成的粘结相，其中由具有六方晶系结构的M2C型化合物组成的硬相为 均匀分散。

    Process for the production of a hard solid solution containing molybdenum
    4.
    发明授权
    Process for the production of a hard solid solution containing molybdenum 失效
    用于生产含钼的硬固溶体的方法

    公开(公告)号：US4384884A

    公开(公告)日：1983-05-24

    申请号：US222902

    申请日：1981-01-05

    申请人： Masaya Miyake ,  Minol Nakano ,  Mitsuo Kodama ,  Akio Hara

    发明人： Masaya Miyake ,  Minol Nakano ,  Mitsuo Kodama ,  Akio Hara

    IPC分类号： C01B21/082 ,  C01B32/949 ,  C22C1/05 ,  C22C1/04

    CPC分类号： C01B21/0828 ,  C01B31/34 ,  C22C1/055 ,  C01P2002/50 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2006/80

    摘要： The present invention relates to a process for the production of a solid solution constructed of at least one hard phase having a crystal structure of simple hexagonal type and selected from mixed carbides or carbonitrides of molybdenum and tungsten, which process comprises preparing an alloy powder consisting of a solid solution of molybdenum and tungsten, adding to the alloy powder carbon in an amount necessary for forming (Mo, W).sub.2 C and/or (Mo, W).sub.2 (CN), heating the mixture at a temperature at which (Mo, W).sub.2 C and/or (Mo, W).sub.2 (CN) is stable, adding to the (Mo, W).sub.2 C and/or (Mo, W).sub.2 (CN) carbon in an amount necessary for forming (Mo, W)C and/or (Mo, W)(CN) optionally with an iron group metal and then heating the mixture at a temperature at which (Mo, W)C and/or (Mo, W)(CN) is stable.

    摘要翻译： 本发明涉及一种由至少一种具有简单六边形晶体结构并选自钼和钨的混合碳化物或碳氮化物的硬相构成的固溶体的方法，该方法包括制备由 将钼和钨的固溶体加入到形成（Mo，W）2C和/或（Mo，W）2（CN）所需的量的合金粉末碳上，在（Mo， W）2C和/或（Mo，W）2（CN）是稳定的，以（Mo，W）2和/或（Mo，W）2（CN） ）和/或（Mo，W）（CN），然后在（Mo，W）C和/或（Mo，W）（CN）稳定的温度下加热混合物。

    Hard alloy containing molybdenum
    5.
    发明授权
    Hard alloy containing molybdenum 失效
    含钼的硬质合金

    公开(公告)号：US4639352A

    公开(公告)日：1987-01-27

    申请号：US808228

    申请日：1985-12-13

    申请人： Mitsuo Kodama ,  Masaya Miyake ,  Minol Nakano ,  Tsuyoshi Asai ,  Akio Hara

    发明人： Mitsuo Kodama ,  Masaya Miyake ,  Minol Nakano ,  Tsuyoshi Asai ,  Akio Hara

    IPC分类号： C01B31/30 ,  C01B31/34 ,  C22C1/05 ,  C22C29/00 ,  C22C29/02

    CPC分类号： C01B31/34 ,  C01B31/301 ,  C22C1/051 ,  C22C29/00 ,  C22C29/02 ,  C01P2004/80 ,  C01P2006/10 ,  C01P2006/80 ,  C01P2006/90

    摘要： This invention relates to a hard alloy comprising two phases: a hard phase consisting of at least one compound having a crystal structure of simple hexagonal MC type (M: metal; C: carbon) selected from the group consisting of mixed carbides, carbonitrides and carboxynitrides of molybdenum and tungsten, and a binder phase consisting of at least one element selected from the group consisting of iron, cobalt and nickel. The hard phase is prepared by carburizing an (Mo, W) alloy obtained by reducing oxides of molybdenum and tungsten with a particle size of at most 1 micron, is composed of coarse particles with a mean particle size of at least 3 microns, and has a uniform molybdenum to tungsten ratio in the particles. The hard alloy has a gross composition within the range of the shaded portion ABCDEA in FIG. 1.

    摘要翻译： 本发明涉及包含两相的硬质合金：由至少一种具有简单的六方晶系MC型（M：金属; C：碳）的晶体结构的化合物组成的硬质相，该化合物选自混合碳化物，碳氮化物和羧基氮化物 的钼和钨，以及由至少一种选自铁，钴和镍的元素组成的粘结相。 硬相是通过将通过还原氧化钼和钨的粒径至多为1微米的（Mo，W）合金进行渗碳制备的，由具有至少3微米的平均粒度的粗颗粒组成，并且具有 颗粒中钼与钨的比例均匀。 该硬质合金的总组成在图7中的阴影部分ABCDEA的范围内。 1。

    Sintered hard metal and the method for producing the same
    7.
    发明授权
    Sintered hard metal and the method for producing the same 失效
    烧结硬质金属及其制造方法

    公开(公告)号：US4279651A

    公开(公告)日：1981-07-21

    申请号：US974512

    申请日：1978-12-28

    申请人： Naoji Fujimori ,  Masaaki Tobioka ,  Tsuyoshi Asai ,  Takaharu Yamamoto ,  Masaya Miyake

    发明人： Naoji Fujimori ,  Masaaki Tobioka ,  Tsuyoshi Asai ,  Takaharu Yamamoto ,  Masaya Miyake

    IPC分类号： B22F3/10 ,  C04B37/02 ,  C22C1/05 ,  C22C29/00 ,  C22C29/02 ,  C22C29/16

    CPC分类号： C22C29/00

    摘要： The invention relates to a sintered hard metal having a high wear resistance and heat resistance as material for cutting tools and wear resistant tools and the method for producing the same. The sintered hard metal has a hard phase comprising a phase having a B-1 type crystal structure containing more than one kind of IVa, Va and VIa group metals in the Periodic Table and also the elements, carbon, nitrogen and oxygen and a WC phase, the hard phase and a bonding phase chiefly consisting of a ferrous metal which is sintered by a powder metallurgy technique, whereas the oxygen in particular is added thereto making it possible to obtain a sintered hard metal having said excellent properties.

    摘要翻译： 本发明涉及具有高耐磨性和耐热性的烧结硬金属作为切削工具和耐磨工具的材料及其制造方法。 烧结硬质金属具有包含在周期表中含有多于一种IVa，Va和VIa族金属的B-1型晶体结构的相的硬相以及元素，碳，氮和氧以及WC相 硬质相和主要由通过粉末冶金技术烧结的黑色金属组成的结合相，特别是加入氧，使得可以获得具有优异性能的烧结硬质金属。

    Process for the production of bonded hard alloys
    8.
    发明授权
    Process for the production of bonded hard alloys 失效
    粘结硬质合金的生产工艺

    公开(公告)号：US4492846A

    公开(公告)日：1985-01-08

    申请号：US433533

    申请日：1982-10-08

    申请人： Akio Hara ,  Masaya Miyake ,  Shuji Yazu

    发明人： Akio Hara ,  Masaya Miyake ,  Shuji Yazu

    IPC分类号： B23K1/005 ,  B23K15/00 ,  B23K26/00 ,  B23K26/32 ,  B23K35/30 ,  B23K31/04

    CPC分类号： B23K1/0056 ,  B23K15/00 ,  B23K35/30

    摘要： Process for the production of bonded hard alloys, which comprises inserting a thin sheet of a Fe group metal or its alloy as a filler in between the surfaces of at least one kind of hard alloy, and applying a high energy beam to a part or all of the thin sheet to melt and solidify the thin sheet in a slit form, thereby bonding the hard alloys together.

    摘要翻译： 粘结硬质合金的制造方法，其包括在至少一种硬质合金的表面之间插入作为填料的Fe族金属或其合金的薄片，并将高能束施加到部分或全部 的薄片以狭缝形式熔化和固化薄片，从而将硬合金粘合在一起。

    Heat conductive colored aluminum nitride sintered body
    10.
    发明授权
    Heat conductive colored aluminum nitride sintered body 失效
    导热色氮化铝烧结体

    公开(公告)号：US5306679A

    公开(公告)日：1994-04-26

    申请号：US24820

    申请日：1993-03-01

    申请人： Kouhei Shimoda ,  Takao Maeda ,  Kouichi Sogabe ,  Masaya Miyake

    发明人： Kouhei Shimoda ,  Takao Maeda ,  Kouichi Sogabe ,  Masaya Miyake

    IPC分类号： C04B35/581 ,  H01L21/48 ,  C04B35/58

    CPC分类号： C04B35/581 ,  H01L21/4807

    摘要： A heat conductive aluminum nitride sintered body contains 100 parts by weight of aluminum nitride, at least 0.005 parts by weight and not more than 0.5 parts by weight of carbon, at least 0.01 parts by weight and not more than 15 parts by weight of a rare earth aluminum oxide in terms of the simple substance of a rare earth element, and at least 0.01 parts by weight and not more than 15 parts by weight of at least one element selected from a group of compounds containing elements belonging to the groups IVB, VB and VIB of the periodic table in terms of the simple substance of the element. Such a sintered body has a heat conductivity of at least 100 W/m.multidot.K. and not more than 270 W/m.multidot.K. at room temperature.

    摘要翻译： 导热氮化铝烧结体含有100重量份的氮化铝，至少0.005重量份，不超过0.5重量份的碳，至少0.01重量份，不超过15重量份的稀有金属 以稀土元素的单质为基准的至少0.01重量份至少15重量份的选自包含属于IVB族，VB族的元素的化合物的族中的至少一种元素 和元素周期表的VIB。 这种烧结体的导热率至少为100W / m×K。 不超过270 W / m * K。 在室温下。