Effect of Temperature and Load on Tribological Behavior in Laser-Cladded FeCrSiNiCoC Coatings

被引：0

作者：

Long, Haiyang ^{[1
,2
]}

Hao, Wei ^{[1
,2
]}

Ma, Rucheng ^{[3
]}

Gui, Yongliang ^{[1
,2
]}

Song, Chunyan ^{[1
,2
]}

Qin, Tieyu ^{[4
]}

Zhang, Xuefeng ^{[1
,2
]}

机构：

[1] North China Univ Sci & Technol, Sch Met & Energy, Tangshan 063210, Peoples R China

[2] North China Univ Sci & Technol, Tangshan Key Lab Special Met & Mat Preparat, Tangshan 063210, Peoples R China

[3] Guangdong Acad Sci, Inst New Mat, Natl Engn Lab Modern Mat Surface Engn Technol, Guangdong Prov Key Lab Modern Surface Engn Technol, Guangzhou 510650, Peoples R China

[4] Tanggang Technol Ctr Hegang, Tangshan 063611, Peoples R China

来源：

MATERIALS | 2023年 / 16卷 / 08期

关键词：

FeCrSiNiCoC; laser-based cladding; coating; wear mechanism; CORROSION-RESISTANCE; WEAR-RESISTANCE; CR; MICROSTRUCTURE; ALLOYS;

D O I：

10.3390/ma16083263

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The FeCrSiNiCoC coatings with fine macroscopic morphology and uniform microstructure were made on 1Cr11Ni heat resistant steel substrate by a laser-based cladding technique. The coating consists of dendritic gamma-Fe and eutectic Fe-Cr intermetallic with an average microhardness of 467 HV0.5 +/- 22.6 HV0.5. At the load of 200 N, the average friction coefficient of the coating dropped as temperature increased, while the wear rate decreased and then increased. The wear mechanism of the coating changed from abrasive wear, adhesive wear and oxidative wear to oxidative wear and three-body wear. Apart from an elevation in wear rate with increasing load, the mean friction coefficient of the coating hardly changed at 500 degrees C. Due to the coating's transition from adhesive wear and oxidative wear to three-body wear and abrasive wear, the underlying wear mechanism also shifted.

引用

页数：13

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