Phase composition and mechanical properties of Cu-Ti alloys synthesized in the surface layer of copper by plasma impact on the Ti/Cu system

被引：10

作者：

Cherenda, N. N. ^{[1
,2
]}

Basalai, A., V ^{[3
]}

Uglov, V. V. ^{[1
,2
]}

Laskovnev, A. P. ^{[3
]}

Astashynski, V. M. ^{[4
]}

Kuzmitski, A. M. ^{[4
]}

机构：

[1] Belarusian State Univ, Nezavisimosti Ave 4, Minsk 220030, BELARUS

[2] South Urals State Univ, Lenina Ave 76, Chelyabinsk 454080, Russia

[3] Natl Acad Sci Belarus, Phys Tech Inst, Kuprevicha Str 10, Minsk 220141, BELARUS

[4] Natl Acad Sci Belarus, AV Luikov Heat & Mass Transfer Inst, P Brovki Str 15, Minsk 220072, BELARUS

来源：

VACUUM | 2019年 / 167卷

关键词：

Copper; Titanium; Compression plasma flow; Phase and element composition; Microhardness; Friction coefficient; HIGH-STRENGTH; MICROSTRUCTURE; BEHAVIOR; STEEL; FLOW;

D O I：

10.1016/j.vacuum.2019.06.033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cu-Ti alloys synthesized in the surface layer of copper by means of preliminary Ti coating deposition and subsequent treatment by compression plasma flows have been investigated in this work. X-ray diffraction, scanning electron microscopy, energy-dispersion X-ray microanalysis, Auger electron spectroscopy, Vickers microhardness measurements and tribological tests were used for Cu-Ti alloys characterization. The findings showed that the increase of the energy absorbed by the surface layer during plasma treatment from 57 to 74 J/cm(2) per pulse resulted in the growth of the alloyed surface layer thickness from 15 to 19 mu m, more homogeneous distribution of T1 in the alloyed layer and the decrease of Ti average concentration from 13.1 to 9.7 at% in it. The supersaturated solid solution of titanium in copper was the main phase constituent of the alloyed layer after treatment at 74 J/cm(2). The synthesized surface of the Cu-Ti alloy possessed enhanced strength and tribological properties.

引用

页码：452 / 458

页数：7

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