Technique for Comprehensive Assessment of the Quality of Coatings Synthesized by Electrospark Deposition Technique

被引：2
|
作者：
Kravchenko, I. N. [1 ,2 ]
Velichko, S. A. [3 ]
Kuznetsova, Yu. A. [4 ]
Martynov, A. V. [3 ]
Petrovskii, D. I. [2 ]
Slivov, A. F. [2 ]
机构：
[1] Russian Acad Sci, AA Blagonravov Mech Engn Res Inst, IMASH RAN, Moscow, Russia
[2] KA Timiryazev Russian State Agrarian Univ, Moscow Agr Acad, Moscow, Russia
[3] NP Ogarev Natl Res Mordovia State Univ, Saransk, Russia
[4] NV Parakhin Oryol State Agrarian Univ, Oryol, Russia
来源：
REFRACTORIES AND INDUSTRIAL CERAMICS | 2023年 / 64卷 / 02期
关键词：
Electrospark deposition (ESD); metal coating; layer thickness; surface profilogram; topography; micro-geometry; continuity;
D O I：
10.1007/s11148-023-00824-y
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The results of a comprehensive assessment of the quality of coatings obtained by electrospark deposition technique are presented. The assessment was performed using modern measurement instruments and dedicated software packages to determine the parameters of micro- and macro-geometry of the coated surfaces. It has been established that the main criteria for assessing the thickness of electrospark coatings, used to restore and harden parts, are the minimum depth, as well as the maximum height and peak-to-valley distance of the profile. It has been proven that the optimal ratio between the length of the bearing friction surface that receives an external load and the length of the surface covered by lubricant is at least 80 % for tribotechnical friction couples, and at least 60 % for parts with hardened surface.
引用
收藏
页码：188 / 193
页数：6
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