Effect of Cr3C2 Additives on the Structure and Properties of Cantor Alloy Coatings

被引：0
作者：
Yurgin, A. B. [1 ]
Ruktuev, A. A. [1 ]
Lazurenko, D. V. [1 ]
Shikalov, V. S. [2 ]
Chakin, I. K. [3 ]
机构：
[1] Novosibirsk State Tech Univ, Novosibirsk, Russia
[2] Russian Acad Sci, Khristianovich Inst Theoret & Appl Mech, Siberian Branch, Novosibirsk, Russia
[3] Russian Acad Sci, Siberian Branch, Budker Inst Nucl Phys, Novosibirsk, Russia
来源：
METAL SCIENCE AND HEAT TREATMENT | 2024年
基金：
俄罗斯科学基金会;
关键词：
high-entropy alloy; non-vacuum electron beam cladding; microstructure; heat resistance; wear resistance; HIGH-ENTROPY ALLOYS; HIGH-TEMPERATURE OXIDATION; MECHANICAL-PROPERTIES; MICROSTRUCTURE; EVOLUTION; BEHAVIOR; HARDNESS;
D O I：
10.1007/s11041-024-01064-8
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The method of non-vacuum electron beam cladding is used to obtain coatings based on a high-entropy Cantor alloy reinforced with Cr3C2 particles. The microstructure of the coatings is studied; the chemical and phase compositions are determined; microhardness measurements, wear resistance and heat resistance tests are performed. The structure of the coatings is represented by an fcc matrix with Me7C3 carbides. Increase in the percentage of reinforcing particles leads to elevation of the proportion of the carbide phase in the cladding layer. The addition of carbide particles results in growth of the microhardness, wear resistance and oxidation resistance. The structure of the coating obtained from a powder mixture with 50 wt.% Cr3C2 exhibits a 60% volume fraction of carbides. The properties have the highest values in the coating obtained from a mixture with 50 wt.% carbide particles in the initial composition. Its hardness is 1071 +/- 114 HV0.1, and the wear resistance and the oxidation resistance increase with respect to the unreinforced coating by a factor of 15.3 and 3.3 respectively.
引用
收藏
页码：406 / 414
页数：9
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