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1. WO2020089667 - THERMALLY SPRAYED COATING FOR SLIDING MEMBER AND SLIDING DEVICE PROVIDED WITH SAID THERMALLY SPRAYED COATING FOR SLIDING MEMBER

Publication Number WO/2020/089667
Publication Date 07.05.2020
International Application No. PCT/IB2018/001398
International Filing Date 02.11.2018
Chapter 2 Demand Filed 15.05.2019
IPC
C23C 4/08 2016.01
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
4Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
04characterised by the coating material
06Metallic material
08containing only metal elements
F02F 1/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
FCYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
1Cylinders; Cylinder heads
Applicants
  • 日産自動車株式会社 NISSAN MOTOR CO., LTD. [JP]/[JP]
  • ルノー エス.ア.エス. RENAULT S.A.S. [FR]/[FR]
Inventors
  • 樋口 毅 HIGUCHI, Tsuyoshi
  • 伊東 昭信 ITOU, Akinobu
  • 平山 勇人 HIRAYAMA, Hayato
Agents
  • 的場基憲 MATOBA, Motonori
Priority Data
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) THERMALLY SPRAYED COATING FOR SLIDING MEMBER AND SLIDING DEVICE PROVIDED WITH SAID THERMALLY SPRAYED COATING FOR SLIDING MEMBER
(FR) FILM DE REVÊTEMENT PULVÉRISÉ POUR ÉLÉMENT DE COULISSEMENT ET DISPOSITIF DE COULISSEMENT ÉQUIPÉ DE CELUI-CI
(JA) 摺動部材用溶射被膜及び該摺動部材用溶射被膜を備える摺動装置
Abstract
(EN)
A thermally sprayed coating for a sliding member according to the present invention comprises an iron-based alloy containing chromium (Cr). The content of the chromium is 8 mass% or more, and the thermally sprayed coating has a structure in which the average particle diameter of crystal grains is 3 μm or less, has a Vickers hardness of 300 Hv or more, and has excellent abrasion resistance.
(FR)
Le film de revêtement pulvérisé pour élément de coulissement de l'invention est constitué d'un alliage de fer comprenant un chrome (Cr). Ainsi, le film de revêtementpulvérisé de l'invention présente une teneur en chrome supérieure ou égale à 8% en masse, possède une structure dans laquelle le diamètre particulaire moyen de grains cristallins est inférieur ou égal à 3μm, présente une dureté Vickers supérieure ou égale à 30OHv, et est doté d'une excellente résistance à l'abrasion.
(JA)
本発明の摺動部材用溶射被膜は、クロム(Cr)を含有する鉄系合金からなる。 そして、上記クロムの含有量が8質量%以上であり、上記溶射被膜中の結晶粒の平均粒径が3μm以下である組織を有し、かつビッカース硬さが300Hv以上であり、耐摩耗性が優れる。
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