Abstract A sintered bearing 1 comprises a sintered body, and a lubricating oil with which the sintered body is impregnated, and further has a bearing surface 1a. The sintered body contains, as main components, Fe, Cu, an element having a melting point lower than that of Cu, and a solid lubricant component. The contained amount of Cu is 10 mass% or more. In addition, the sintered body has an iron structure and a copper structure that are formed by sintering of a partially diffused alloy powder in which copper powder is partially diffused in iron powder, wherein the element having a melting point lower than that of Cu is diffused at least in the copper structure. The lubricating oil contains an ester oil as a base oil, and, as an additive, an extreme pressure additive that reacts with the iron structure to form an inorganic coating. Un palier fritté (1) comprend un corps fritté et une huile lubrifiante dont est imprégné le corps fritté, et comporte en outre une surface de palier (1a). Le corps fritté contient, en tant que constituants principaux, Fe, Cu, un élément ayant un point de fusion inférieur à celui de Cu, et un constituant lubrifiant solide. La teneur en Cu est supérieure ou égale à 10 % en masse. De plus, le corps fritté a une structure de fer et une structure de cuivre qui sont formées par frittage d'une poudre d'alliage partiellement diffusée dans laquelle de la poudre de cuivre est partiellement diffusée dans de la poudre de fer, l'élément ayant un point de fusion inférieur à celui de Cu étant diffusé au moins dans la structure de cuivre. L'huile lubrifiante contient une huile d'ester en tant qu'huile de base, et, en tant qu'additif, un additif pour pression extrême qui réagit avec la structure de fer pour former un revêtement inorganique. 焼結軸受1は、焼結体と焼結体に含浸された潤滑油とを備え、さらに軸受面1aを有する。焼結体はFe、Cu、Cuよりも低融点の元素、および固体潤滑剤成分を主成分とする。Cuの含有量を10質量%以上である。また、焼結体は、鉄粉に銅粉の一部を拡散させた部分拡散合金粉の焼結で形成された鉄組織および銅組織を備えており、Cuよりも低融点の元素が少なくとも銅組織に拡散している。潤滑油は、エステル系油を基油とし、かつ添加剤として、鉄組織と反応して無機被膜を形成する極圧剤を含有する。
AbstractList A sintered bearing 1 comprises a sintered body, and a lubricating oil with which the sintered body is impregnated, and further has a bearing surface 1a. The sintered body contains, as main components, Fe, Cu, an element having a melting point lower than that of Cu, and a solid lubricant component. The contained amount of Cu is 10 mass% or more. In addition, the sintered body has an iron structure and a copper structure that are formed by sintering of a partially diffused alloy powder in which copper powder is partially diffused in iron powder, wherein the element having a melting point lower than that of Cu is diffused at least in the copper structure. The lubricating oil contains an ester oil as a base oil, and, as an additive, an extreme pressure additive that reacts with the iron structure to form an inorganic coating. Un palier fritté (1) comprend un corps fritté et une huile lubrifiante dont est imprégné le corps fritté, et comporte en outre une surface de palier (1a). Le corps fritté contient, en tant que constituants principaux, Fe, Cu, un élément ayant un point de fusion inférieur à celui de Cu, et un constituant lubrifiant solide. La teneur en Cu est supérieure ou égale à 10 % en masse. De plus, le corps fritté a une structure de fer et une structure de cuivre qui sont formées par frittage d'une poudre d'alliage partiellement diffusée dans laquelle de la poudre de cuivre est partiellement diffusée dans de la poudre de fer, l'élément ayant un point de fusion inférieur à celui de Cu étant diffusé au moins dans la structure de cuivre. L'huile lubrifiante contient une huile d'ester en tant qu'huile de base, et, en tant qu'additif, un additif pour pression extrême qui réagit avec la structure de fer pour former un revêtement inorganique. 焼結軸受1は、焼結体と焼結体に含浸された潤滑油とを備え、さらに軸受面1aを有する。焼結体はFe、Cu、Cuよりも低融点の元素、および固体潤滑剤成分を主成分とする。Cuの含有量を10質量%以上である。また、焼結体は、鉄粉に銅粉の一部を拡散させた部分拡散合金粉の焼結で形成された鉄組織および銅組織を備えており、Cuよりも低融点の元素が少なくとも銅組織に拡散している。潤滑油は、エステル系油を基油とし、かつ添加剤として、鉄組織と反応して無機被膜を形成する極圧剤を含有する。
Author HARADA Kazuyoshi
YAMASHITA Tomonori
ITO Yoshinori
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焼結含油軸受
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Snippet A sintered bearing 1 comprises a sintered body, and a lubricating oil with which the sintered body is impregnated, and further has a bearing surface 1a. The...
SourceID epo
SourceType Open Access Repository
SubjectTerms ALLOYS
BEARINGS
BLASTING
CASTING
CHEMISTRY
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FERROUS OR NON-FERROUS ALLOYS
FLEXIBLE SHAFTS
FUELS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS
LIGHTING
LUBRICANTS
LUBRICATING COMPOSITIONS
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
MECHANICAL ENGINEERING
METALLURGY
PEAT
PERFORMING OPERATIONS
PETROLEUM, GAS OR COKE INDUSTRIES
POWDER METALLURGY
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
TECHNICAL GASES CONTAINING CARBON MONOXIDE
THERMAL INSULATION IN GENERAL
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
WEAPONS
WORKING METALLIC POWDER
Title SINTERED OIL-CONTAINING BEARING
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