公开(公告)号：US10041537B2

公开(公告)日：2018-08-07

申请号：US15070171

申请日：2016-03-15

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Hideki Iwata ,  Yoshifumi Ito

IPC: F16C33/12 ,  F16C33/20 ,  F16C29/02 ,  F16F9/36

Abstract: According to the present invention, there is provided a slide member for a shock absorber of a vehicle including a back metal, a porous sintered metal layer containing a porous sintered metal formed on the back metal and a resin with which the porous sintered metal is impregnated and covered, and a resin slide layer formed on the porous sintered metal layer and having a smooth slide surface, and the slide member is formed in a cylindrical shape so that the resin slide layer is disposed on an inner peripheral side. The resin slide layer is composed of polytetrafluoroethylene and a plurality of granular elements dispersed in the polytetrafluoroethylene, and the granular element is composed of molybdenum disulfide and molybdenum trioxide, and/or tungsten disulfide and tungsten trioxide.

公开(公告)号：US09957457B2

公开(公告)日：2018-05-01

申请号：US15151673

申请日：2016-05-11

Applicant: Daido Metal Company Ltd.

Inventor： Hideki Iwata ,  Yasushi Saito

IPC: B22F3/10 ,  C10M103/04 ,  C22C19/05 ,  C22C38/00 ,  B22F3/11 ,  B22F3/24 ,  C21D9/40 ,  C21D1/18 ,  B32B5/16 ,  B32B15/04 ,  B32B15/08 ,  B32B15/16 ,  B32B15/18 ,  B32B3/10 ,  B32B3/18 ,  F16C33/20 ,  B32B5/14 ,  B32B5/30 ,  B32B27/28 ,  B32B27/32 ,  B32B27/34 ,  B32B27/38

CPC classification number: C10M103/04 ,  B22F3/11 ,  B22F3/24 ,  B22F2998/10 ,  B22F2999/00 ,  B32B3/10 ,  B32B3/18 ,  B32B5/145 ,  B32B5/16 ,  B32B5/30 ,  B32B15/043 ,  B32B15/08 ,  B32B15/16 ,  B32B15/18 ,  B32B27/281 ,  B32B27/285 ,  B32B27/286 ,  B32B27/288 ,  B32B27/32 ,  B32B27/34 ,  B32B27/38 ,  B32B2250/02 ,  B32B2250/04 ,  B32B2260/025 ,  B32B2260/046 ,  B32B2262/103 ,  B32B2262/105 ,  B32B2264/10 ,  B32B2264/105 ,  B32B2264/107 ,  B32B2307/50 ,  B32B2307/554 ,  B32B2307/714 ,  B32B2307/732 ,  B32B2307/746 ,  C10M2201/053 ,  C21D1/18 ,  C21D9/40 ,  C21D2211/001 ,  C21D2211/005 ,  C21D2211/009 ,  C22C19/058 ,  C22C33/00 ,  C22C38/00 ,  C22C2200/00 ,  F16C33/206 ,  F16C33/208 ,  F16C2202/10 ,  F16C2204/52 ,  F16C2204/60 ,  F16C2204/62 ,  F16C2208/00 ,  F16C2240/48 ,  F16C2240/60 ,  Y10T428/12042 ,  Y10T428/12063 ,  B22F1/0011 ,  B22F1/0003 ,  B22F2007/047 ,  B22F3/1035 ,  B22F7/004 ,  B22F7/008 ,  B22F2201/01

Abstract: Provided is a sliding member comprising: a steel back metal layer; and a sliding layer including a porous sintered layer and a resin composition. The porous sintered layer includes Fe or Fe alloy granules and a Ni—P alloy part functioning as a binder for binding the Fe or Fe alloy granules with one another and/or for binding the Fe or Fe alloy granules with the steel back metal layer. The steel back metal layer is made of a carbon steel including 0.05 to 0.3 mass % of carbon, and includes: a non-austenite-containing portion having a structure of a ferrite phase and perlite formed in a central portion in a thickness direction of the steel back metal layer; and an austenite-containing portion having a structure of a ferrite phase, perlite and an austenite phase formed in a surface portion of the steel back metal layer facing the sliding layer.

公开(公告)号：US10054091B2

公开(公告)日：2018-08-21

申请号：US14958203

申请日：2015-12-03

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Hideki Iwata ,  Yasushi Saito

IPC: B32B15/18 ,  F02M59/44 ,  C22C19/05 ,  B32B15/16 ,  C22C19/03 ,  C22C38/00 ,  C23C28/00 ,  C23C30/00 ,  F16C33/20

CPC classification number: F02M59/445 ,  B22F7/08 ,  B32B15/16 ,  B32B15/18 ,  B32B2260/025 ,  B32B2260/046 ,  B32B2264/105 ,  B32B2307/702 ,  B32B2307/704 ,  B32B2307/746 ,  C22C1/0433 ,  C22C19/03 ,  C22C19/05 ,  C22C33/02 ,  C22C38/00 ,  C23C28/00 ,  C23C30/00 ,  F16C33/206 ,  F16C33/208 ,  F16C2204/52 ,  F16C2204/60 ,  F16C2240/60

Abstract: Provided is a sliding member having a steel back metal layer and a sliding layer. The sliding layer includes a resin composition and a porous sintered layer including Fe or Fe alloy phase particles and a Ni—P alloy phase functioning as a binder. The steel back metal layer is made of a carbon steel including 0.05 to 0.3 mass % carbon and includes a ferrite phase and a pearlite phase. A central portion in a thickness direction of the steel back metal layer includes not greater than 30 volume % of the pearlite phase. The steel back metal layer includes a high pearlite phase portion in its surface facing the sliding layer. The high pearlite phase portion includes not less than 50 volume % of the pearlite phase.

公开(公告)号：US09677021B2

公开(公告)日：2017-06-13

申请号：US14711093

申请日：2015-05-13

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Hideki Iwata ,  Yasushi Saito

IPC: C10M103/04 ,  B32B15/00 ,  B32B15/04 ,  B32B15/18 ,  B32B15/01 ,  C23C30/00 ,  B32B15/08 ,  B22F7/00 ,  F16C33/14 ,  F16C33/10 ,  C22C1/04 ,  C22C1/08 ,  B22F3/11 ,  B22F3/26

CPC classification number: C10M103/04 ,  B22F3/11 ,  B22F3/26 ,  B22F7/004 ,  B22F2998/10 ,  B22F2999/00 ,  B32B15/015 ,  B32B15/043 ,  B32B15/08 ,  B32B15/18 ,  C22C1/0433 ,  C22C1/08 ,  C23C30/00 ,  C23C30/005 ,  F16C33/104 ,  F16C33/1095 ,  F16C33/145 ,  F16C2202/52 ,  F16C2202/54 ,  F16C2204/60 ,  F16C2240/06 ,  F16C2240/48 ,  F16C2300/22 ,  F16C2360/00 ,  Y10T428/12479 ,  Y10T428/12556 ,  Y10T428/12569 ,  Y10T428/12931 ,  Y10T428/12937 ,  Y10T428/12944 ,  Y10T428/12958 ,  Y10T428/12965 ,  Y10T428/12972 ,  Y10T428/26 ,  Y10T428/264 ,  Y10T428/265 ,  B22F9/08 ,  B22F3/1007 ,  B22F2201/01

Abstract: Provided is a sliding member having: a back metal layer; and a sliding layer on the back metal layer. The sliding layer includes a porous sintered layer and a resin composition. The sintered layer includes Ni—P alloy phase and granular steel phase made of a carbon steel including 0.3-1.3 mass % of carbon and having a structure of: ferrite phase; and perlite phase, or perlite phase and cementite phase. The Ni—P alloy phase binds the steel phases with one another and/or binds the steel phases with the back metal layer. The steel phase includes a low perlite phase part in a surface. The low perlite phase part has an area ratio of the perlite phase lowered by 50% or more compared with a total area ratio of the perlite phase and the cementite phase at a central part of the steel phase when observed in a cross-section.

公开(公告)号：US09360048B2

公开(公告)日：2016-06-07

申请号：US14663566

申请日：2015-03-20

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Hideki Iwata ,  Yasushi Saito

IPC: F16C33/12 ,  F16C33/24 ,  F16C33/22 ,  C22C19/03 ,  F16C33/14 ,  F16C33/20

CPC classification number: F16C33/128 ,  C22C19/03 ,  F16C33/125 ,  F16C33/127 ,  F16C33/145 ,  F16C33/20 ,  F16C33/206 ,  F16C33/208 ,  F16C33/22 ,  F16C33/24 ,  F16C2202/10 ,  F16C2204/52 ,  F16C2204/62 ,  F16C2208/58 ,  Y02T10/865 ,  Y10T428/12479 ,  Y10T428/12556 ,  Y10T428/12569 ,  Y10T428/12937 ,  Y10T428/12944 ,  Y10T428/12958 ,  Y10T428/12965 ,  Y10T428/12972 ,  Y10T428/12979

Abstract: Provided is a sliding member including a steel back metal layer and a sliding layer with a porous sintered layer and a resin composition. The porous sintered layer includes granular Fe or Fe alloy phase and Ni—P alloy phase for binding the Fe or Fe alloy phase grains with one another. The steel back metal layer is made of a carbon steel including 0.05-0.3 mass % of carbon and having a structure composed of ferrite phase and pearlite phase, and includes a low pearlite phase part in a surface thereof on a side of the sliding layer. The low pearlite phase part has a ratio of the pearlite phase is lowered by 50% or more compared with the pearlite phase at a central part in a thickness direction of the steel back metal layer. The Ni—P alloy phase may cover the entire surface of the steel back metal layer.

Abstract translation: 提供一种滑动构件，其包括钢背金属层和具有多孔烧结层和树脂组合物的滑动层。 多孔烧结层包括用于将Fe或Fe合金相晶粒彼此粘合的粒状Fe或Fe合金相和Ni-P合金相。 钢背金属层由含有0.05〜0.3质量％的碳的碳素钢构成，具有由铁素体相和珠光体相构成的结构，并且在滑动层的一侧的表面包含低珠光体相。 低珠光体相部分与钢背层金属层的厚度方向中心部分的珠光体相比，珠光体相的比率降低50％以上。 Ni-P合金相可覆盖钢背金属层的整个表面。