Thermal spray membrane contact material, contact member and contact part, and apparatuses to which they are applied

A contact part having a contact surface formed of the thermal spray membrane contact material comprising a Mo metal phase, or 5 vol % or more of a Mo metal phase and a metal phase and/or alloy phase containing one or more elements selected from the group consisting of Fe, Ni, Co, Cr, Cu and Zn, wherein said contact part is a roller axis, roller, roller bushing or thrust bushing utilized in a roller apparatus of a crawler belt type traveling system.

A contact part having a contact surface formed of the thermal spray membrane contact material comprising a Mo metal phase, or 5 vol % or more of a Mo metal phase and a metal phase and/or alloy phase containing one or more elements selected from the group consisting of Fe, Ni, Co, Cr, Cu and Zn, wherein said contact part is a floating seal used for oil seal of a roller apparatus of a gear speed reducer or crawler belt type traveling system.

A contact part having a contact surface formed of the thermal spray membrane contact material comprising a Mo metal phase, or 5 vol % or more of a Mo metal phase and a metal phase and/or alloy phase containing one or more elements selected from the group consisting of Fe, Ni, Co, Cr, Cu and Zn, wherein said contact part is a floating bushing or turbine shaft utilized in a turbo charger.

A contact part having a contact surface formed of the thermal spray membrane contact material comprising a Mo metal phase, or 5 vol % or more of a Mo metal phase and a metal phase and/or alloy phase containing one or more elements selected from the group consisting of Fe, Ni, Co, Cr, Cu and Zn, wherein the contact part is an engine valve.

A contact part having a contact surface formed of the thermal spray membrane contact material comprising a Mo metal phase, or 5 vol % or more of a Mo metal phase and a metal phase and/or alloy phase containing one or more elements selected from the group consisting of Fe, Ni, Co, Cr, Cu and Zn, wherein the contact part is a cylinder block, valve plate, rocker cam, cradle, piston, piston shoe, cam ring, pintle, piston rod or drive shaft used in a hydraulic piston pump and/or hydraulic piston motor apparatus.

A contact part having a contact surface formed of the thermal spray membrane contact material comprising a Mo metal phase, or 5 vol % or more of a Mo metal phase and a metal phase and/or alloy phase containing one or more elements selected from the group consisting of Fe, Ni, Co, Cr, Cu and Zn, wherein the contact part is a wedge or wedge guide used in a rock mass crushing wedge apparatus.

A connecting apparatus connecting machine constituent element on one side with a machine constituent element on another side placed via a supporting axis supported by the machine constituent element on one side and a bearing bushing outer-engaged on the supporting axis so that these elements are mutually revolvable or rotatable, or a connecting apparatus connecting a machine constituent element on one side with a machine constituent element on another side placed via a supporting axis supported by the machine constituent element on one side and a bearing bushing outer-engaged on the supporting axis so that these elements are mutually revolvable or rotatable, and having a thrust bearing which bears and supports thrust load acting between said machine constituent element on one side and said machine constituent element on another side, wherein one or more of said supporting axis, bearing bushing and thrust bearing are made of the contact member in which a contact surface of a contact part base material of an apparatus having a rotation and/or linear contact mechanism is formed of the thermal spray membrane contact material comprising a Mo metal phase, or 5 vol % or more of a Mo metal phase and a metal phase and/or alloy phase containing one or more elements selected from the group consisting of Fe, Ni, Co, Cr, Cu and Zn, as a constituent material.

A turbo charger apparatus having a floating bushing inserted between a bearing surface formed on a supporting body and an axis portion of a turbine, wherein the thermal spray membrane contact material comprising a Mo metal phase, or 5 vol % or more of a Mo metal phase and a metal phase and/or alloy phase containing one or more elements selected from the group consisting of Fe, Ni, Co, Cr, Cu and Zn is film-formed on the outer circumferential surface and the inner circumferential surface of said floating bushing, or on the outer circumferential surface of said floating bushing and the outer circumferential surface of said axis portion of a turbine.

An engine valve apparatus constituted of a valve opening and closing a combustion chamber of an engine, and a valve guide guiding the motion of the valve, wherein the thermal spray membrane contact material comprising a Mo metal phase, or 5 vol % or more of a Mo metal phase and a metal phase and/or alloy phase containing one or more elements selected from the group consisting of Fe, Ni, Co, Cr, Cu and Zn is film-formed on a contact surface of said valve contacting with said valve guide.

A rock mass crushing wedge apparatus comprising a wedge receiving a thrust from a thrust generating means and a pair of wedge guides so placed as to sandwich the wedge in which said wedge is allowed to slide against said wedge guides by driving of said thrust generating means, to convert the thrust from the thrust generating means into a transverse direction width expanding force by these wedge guides, and a rock mass is broken by the transverse direction width expanding force to perform a stone-splitting work, wherein the thermal spray membrane contact material comprising a Mo metal phase, or 5 vol % or more of a Mo metal phase and a metal phase and/or alloy phase containing one or more elements selected from the group consisting of Fe, Ni, Co, Cr, Cu and Zn is film-formed on a contact surface of said wedge or wedge guides.

A floating seal apparatus, wherein a thermal spray membrane composed of at least 5 to 50 vol % of a Mo metal phase and 10 to 50 vol % of a special carbide composed of at least one or more elements selected from the group consisting of W, Ti, Cr, Mo and V, and a metal phase or alloy phase containing one or more elements selected from the group consisting of Ni, Cr, Cu, Co and Fe in the remaining amount, is formed on a seal surface.