化学热处理和液相浸渍后钢等离子体涂层的组织形成和摩擦性能研究

IF 1 Q4 ENGINEERING, MECHANICAL

Acta Mechanica et Automatica Pub Date : 2022-11-08 DOI:10.2478/ama-2022-0045

R. Mediukh, V. Mediukh, V. Labunets, P. Nosko, O. Bashta, I. Kondratenko

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引用次数: 0

摘要

摘要本文主要研究了以11Cr18MoWCu钢为基体，采用等离子体和电流等离子体两种方法沉积的金属基复合涂层的组织发展和物理力学性能。显示了将开口孔隙率高达16%–18%的等离子体涂层的气体热喷涂工艺与随后的热扩散饱和（镀铬）或液相浸渍与先前应用的Ni–B电偶层的共晶合金相结合的方便性。对所提出的涂层的摩擦学性能的研究表明，它们在各种类型的强磨损条件下以及在腐蚀性环境中的性能有了显著改善。

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Investigation of Structure Formation and Tribotechnical Properties of Steel Plasma Coatings After Chemical-Heat Treatment and Liquid-Phase Impregnation

Abstract The paper is focused on the studies of the microstructure development and physical and mechanical properties of metal-matrix composite coatings based on steel 11Cr18MoWCu deposited using plasma and galvanoplasma methods. The expediency of combining gas-thermal spraying processes of plasma coatings with open porosity up to 16%–18%, with their subsequent thermodiffusion saturation (chromium plating) or liquid-phase impregnation with eutectic alloys of previously applied Ni–B galvanic layer, is shown. The study of the tribotechnical properties of the proposed coatings showed a significant improvement in their performance under conditions of various types of intensive wear, as well as in corrosive environments.

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来源期刊

Acta Mechanica et Automatica ENGINEERING, MECHANICAL-

CiteScore

1.40

自引率

0.00%

发文量

审稿时长

30 weeks