On the Relationship Between the Structure and Properties of Nickel-Diamond Composite Coatings Deposited from Electrolytes Without Surfactants Under Vibration Agitation Conditions

被引：0

作者：

Krasikov, A. V. ^{[1
]}

Kashirina, A. A. ^{[1
]}

Staritsyn, M. V. ^{[1
]}

Yakovleva, N. V. ^{[1
]}

Aleksandrov, R. Yu. ^{[1
]}

Merkulova, M. V. ^{[1
]}

Ulin, I. V. ^{[1
]}

机构：

[1] Natl Res Ctr Kurchatov Inst, Cent Res Inst Struct Mat Prometey, St Shpalernaya 49, St Petersburg 191015, Russia

来源：

TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS | 2025年 / 78卷 / 05期

基金：

俄罗斯科学基金会;

关键词：

Composite electrochemical coatings; Nickel-diamond coatings; Coating structure; Vibration agitation; NI-DIAMOND; ELECTRODEPOSITION; PARTICLES; PARAMETERS;

D O I：

10.1007/s12666-025-03567-1

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The structure of nickel-diamond composite electrochemical coatings, obtained without surfactants in the electrolyte, has been studied. Using the EBSD method, an introduction of diamond particles was shown to result in significant matrix grain refinement. Microhardness measurements using a scanning nanohardness tester confirmed an increase in the mechanical properties of nickel matrix compared to pure nickel. A study of coatings microhardness dependence on diamond volume fraction showed that there is a threshold diamond particles amount in the coating, below which significant hardening does not occur. It has been shown that the use of coarser diamond powders of 5-7 mu m allows achieving greater microhardness of the coating with the same volume fraction of particles than when using a smaller fraction (0-0.25 mu m). At the same time, coatings with diamond powder of 0-0.25 mu m have greater wear resistance.

引用

页数：9

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