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51. 发明专利

JPS5916951A Fe-based sintered material excellent in wear resistance 失效
标题翻译：基于FE的耐磨材料
公开(公告)号：JPS5916951A
公开(公告)日：1984-01-28
申请号：JP12626382
申请日：1982-07-20
申请人： Mitsubishi Metal Corp
发明人： IIJIMA MASAYUKI , AKUTSU HIDETOSHI , HOSHINO KAZUYUKI
IPC分类号： C22C33/02 , C22C38/00 , C22C38/38 , C22C38/44
摘要： PURPOSE: To obtain the Fe-based sintered material useful as a structural element provided with excellent wear resistance, high strength and high toughness, by specifying the contents of Cr and C as main components, and the surface ratio, particle size and density ratio of carbides.
CONSTITUTION: The Fe-based sintered material comprising 4W25wt% Cr, 1.5W 5% C and the balance Fe and inevitable impurities. It has the structure that carbides having Vickers hardness above 1,200 are dispersed in the martensite-based matrix at a surface ratio above 15%. Said carbides are controlled so that a part having an average particle size above 5μ occupies 10% or more, by surface ratio, of the entire boy of the carbides and that a density ratio above 92% is held. This sintered material is let optionally contain 0.1W2.0% one or more of Mo, W, Nb, Ti, V and Zr or further 0.1W10% one or more of Ni, Co, Cu and Mn. This sintered material when being used as the structural element of a construction or mining machinery exhibits excellent properties.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：通过规定Cr和C的含量作为主要成分，得到可用作具有优异的耐磨性，高强度和高韧性的结构元素的Fe基烧结材料，其表面比例，粒径和密度比碳化物。构成：Fe基烧结材料包含4-25wt％Cr，1.5-5％C，余量为Fe和不可避免的杂质。具有1200以上维氏硬度的碳化物以高于15％的表面比分散在马氏体基体中的结构。控制所述碳化物使得平均粒径大于5μm的部分占碳化物整个男孩的表面比率的10％或更多，并且保持高于92％的密度比。该烧结材料任选地包含0.1-2.0％的Mo，W，Nb，Ti，V和Zr中的一种或多种，或进一步含有Ni，Co，Cu和Mn中的一种或多种0.1-10％。当用作结构或采矿机械的结构元件时，该烧结材料表现出优异的性能。

52. 发明专利

JPS5881954A HIGH STRENGTH IRON BASE SINTERED ALLOY EXCELLENT IN WEAR RESISTANCE AND SELF-LUBRICATING PROPERTY 失效
公开(公告)号：JPS5881954A
公开(公告)日：1983-05-17
申请号：JP17933081
申请日：1981-11-09
申请人： MITSUBISHI METAL CORP
发明人： IIJIMA MASAYUKI , IMAI MASAHIRO
IPC分类号： C22C33/02 , B22F5/00 , C22C38/00 , C22C38/16 , C22C38/60
摘要： PURPOSE:To provide a high strength iron base sintered alloy with enhanced wear resistance and self-lubricating property, by a method wherein the contents of C, Cu, Ni, Mo S and P are specified and free graphite and metal sulfide are uniformly dispersed in a base matrix. CONSTITUTION:A stock material having a composition consisting of, on the wt. basis, 0.8-3.5% C, 0.5-10.0% Cu, 0.5-20.0% Ni, 0.1-5.0% Mo, 0.05-2.0% S, 0.05-2.0% P, according to necessity, 0.05-3.0% Sn and the remainder Fe and inevitable impurities is mixed, molded and sintered to obtain an iron base sintered alloy. Because this sintered alloy has a structure wherein free graphite and metal sulfide are uniformly disperesed in a base matrix, it has high strength and excellent wear resistance and has excellent in self-lubricating property in using the same under a revere condition. When this alloy is used as the door attaching metal fittings the gear or the cam of automobile, it develops excellent capacities stabely for a long period time.

53. 发明专利

JPS5822306A FE BASE SINTERED AND IMPREGNATED MATERIAL EXCELLENT IN RESISTANCE TO CORROSION AND ABRASION 失效
公开(公告)号：JPS5822306A
公开(公告)日：1983-02-09
申请号：JP12228981
申请日：1981-08-04
申请人： MITSUBISHI METAL CORP
发明人： IIJIMA MASAYUKI , AKUTSU HIDETOSHI , HOSHINO KAZUYUKI
IPC分类号： B22F3/26 , C22C33/02 , C22C38/00 , C22C38/58
摘要： PURPOSE:To obtain an Fe base sintered and impregnated material excellent in the resistance to corrosion and abrasion and the compatibility, by infiltrating Cu or its alloy into vacancies of an Fe base sintered alloy that contains C, Cr, Mn and Cu and, if necessary, to which Mo, etc. have been added. CONSTITUTION:Cu or its alloy is infiltrated into vacancies of an Fe base sintered alloy that has a composition containing 0.5-3.5wt% C, 7-35wt% Cr, 0.05-3wt% Mn and 0.3-10wt% Cu, and if necessary, 0.5-10% one or both of Mo and W or 0.5-10% one or both of Ni and Co or 0.1-10% one or more of Nb, Ta and Ti, and the balance of Fe and unavoidable impurities and has a rate of vacancy of 10-30vol% so that a sintered and impregnated material is obtained. Owing to the carbides uniformly dispersed and deposited in the matrix of Cr solid solution, Cu or its alloy existing as a solid solution or infiltrated in the vacancies, etc., said material has been improved in the resistance to corrosion and abrasion, the compatibility.

54. 发明专利

JPS57188649A HIGH STRENGTH SINTERED IRON GROUP ALLOY SUPERIOR IN WEAR RESISTANCE AND SELF-LUBRICITY 失效
公开(公告)号：JPS57188649A
公开(公告)日：1982-11-19
申请号：JP7141481
申请日：1981-05-14
申请人： MITSUBISHI METAL CORP
发明人： IIJIMA MASAYUKI , IMAI MASAHIRO
IPC分类号： C22C33/02 , B22F5/00 , C22C38/00 , C22C38/16 , C22C38/60
摘要： PURPOSE:To manufacture sintered iron group alloy which has high strength and superior wear resistance and self-lubricity by adding C, Cu, Ni, Mo, S, and P to Fe and optionally further Sn, and performing sintering. CONSTITUTION:A composite of 0.1-0.8wt% C, 0.5-10wt% Cu, 0.5-20wt% Ni, 0.1-5wt% Mo, 0.05-2wt% S, and 0.05-2wt% P, and optionally further 0.05- 3wt% Sn, Fe and inevitable impurities as the remainder is calcined, thus obtaining sintered alloy which has the texture that metal sulfides is dispersed uniformly in the matrix. The composition component C improves strength and wear resistance, and the Cu improves the wear resistance and self-lubricity; and the Ni and Mo improve the strength and wear resistance, and the S forms the metallic sulfides to provide the self-lubricity and also to reduce aggresiveness to opposite metal. Then, the P increase the density of the alloy and improve the wear resistance, and the Sn improve the strength and hardness.

55. 发明专利

JPS56116804A METHOD OF BONDING SINTERED BODY TO METAL MEMBER 失效
公开(公告)号：JPS56116804A
公开(公告)日：1981-09-12
申请号：JP1733980
申请日：1980-02-15
申请人： MITSUBISHI METAL CORP
发明人： IIJIMA MASAYUKI , AKUTSU HIDETOSHI , ANZAI KATSUAKI
IPC分类号： B22F7/06 , B22F7/08
摘要： PURPOSE:To perform highly strong bonding without spplying a pretreatment by a method wherein a pressed powder part containing a specific proportion of B, P and Si, and forming into Ni-based or Co-based alloy is brought into contact with and heated on the bonding surface of a fused or sintered part. CONSTITUTION:In bonding of metal members at least one of which is a sintered body a pressed powder part containing one or more of B: 0.05-5wt%, P: 0.1- 6wt%, and Si: 0.1-6wt%, and forming into Ni-based or Co-based alloy by sintering is brought into contact with the bonding surface. Maintaing this condition, sintering is performed to heat the alloy powder containing B, P, and Si components to a temperature higher than its melting point and to make it liquid phase. The liquid phase of B, P, and Si well wets with the metal member surface and acts to accelerate sintering property, achieving highly strong bonding.

56. 发明专利

JPS56116803A BONDING METHOD METAL MEMBER 失效
公开(公告)号：JPS56116803A
公开(公告)日：1981-09-12
申请号：JP1733880
申请日：1980-02-15
申请人： MITSUBISHI METAL CORP
发明人： IIJIMA MASAYUKI , AKUTSU HIDETOSHI , ANZAI KATSUAKI
IPC分类号： B22F7/06 , B23K20/00
摘要： PURPOSE:To simply and assuredly bond a metal member without applying a pretreatment in welding of metal parts at least one of which is a sintered body, by plating between bonding surfaces a powder containing each specific proportion of B, P, and Si and forming into a specific sintered alloy by heating. CONSTITUTION:If at least one of the members to be bonded is a sintered body, the bonding surface is applied with a powder or pressed-powder which is mixed to form either of Fe-based, No-based, or Co-based alloy after sintered by heating, and which contains one or more of B: 0.05wt%, P: 0.1-6wt%, and Si: 0.1-6wt%. Component B, P, or Si becomes liquid phase by heating, and by its excellent wettability and sintering accelerating action, storngly bonds metal parts together.

57. 发明专利

JPS5651506A PRODUCTION OF HIGHHSPEED STEEL POWDER 失效
公开(公告)号：JPS5651506A
公开(公告)日：1981-05-09
申请号：JP9831080
申请日：1980-07-18
申请人： MITSUBISHI METAL CORP , KANTO DENKA KOGYO KK
发明人： SAITOU YUUICHI , KANO SHINZOU , IIJIMA MASAYUKI , MATSUNAGA HACHIROU
IPC分类号： B22F9/22 , B22F9/20
摘要： PURPOSE:To inexpensively obtain titled powder having good toughness etc. by using iron oxide powder as a main raw material, and reducing the same then compounding alloying element powder etc. such as Mo and W thereto so as to provide predetermined high-speed steel composition, thereafter reducing the same by heating in an H2 or other atmosphere. CONSTITUTION:In producing the high-speed steel powder, fine iron oxide powder is used as a main raw material and after this is reduced, alloying elements such as Mo, W, Cr, V and Co are compounded at predetermined amounts in the form of metal powder, oxide powder or other compound powder so as to provide predetermined high-speed steel composition, and further a predetermined amount of carbon powder is added and mixed, after which the above-described mixed powders are reduced by heating in an H2 or other reducing or neutral gas or in a vacuum. Because of the fine powder, the reduction takes place easily and the homogeneously reduced powder is obtained. In this way, the high-speed steel powder having good toughness, moldability and sinterability is inexpensively obtained.

58. 发明专利

JPH0226091B2 失效
公开(公告)号：JPH0226091B2
公开(公告)日：1990-06-07
申请号：JP5451583
申请日：1983-03-30
申请人： MITSUBISHI METAL CORP
发明人： IIJIMA MASAYUKI , AKUTSU HIDETOSHI , IMAI MASAHIRO
IPC分类号： F16D65/12 , F16D69/02

59. 发明专利

JPH0210288B2 失效
公开(公告)号：JPH0210288B2
公开(公告)日：1990-03-07
申请号：JP12531682
申请日：1982-07-19
申请人： MITSUBISHI METAL CORP
发明人： IIJIMA MASAYUKI , AKUTSU HIDETOSHI , HOSHINO KAZUYUKI
IPC分类号： F16C33/12 , B62D55/205 , B62D55/21

60. 发明专利

JPH0116906B2 失效
公开(公告)号：JPH0116906B2
公开(公告)日：1989-03-28
申请号：JP7258083
申请日：1983-04-25
申请人： MITSUBISHI METAL CORP
发明人： IIJIMA MASAYUKI , AKUTSU HIDETOSHI , IMAI MASAHIRO
IPC分类号： C22C33/02 , C22C38/00 , C22C38/60 , H01F1/14 , H01F1/22

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