Effect of rare earth cerium on the impact toughness, corrosion and wear resistance of CrNiMnMo alloyed lining steelEffekt der seltenen Erde Cerium auf Kerbschlagzahigkeit, Korrosion und Verschleissfestigkeit von CrNiMnMo-legierter Stahlauskleidung

被引：8

作者：

Du, X. ^{[1
]}

Lei, X. ^{[1
]}

Wang, J. ^{[2
]}

Zhao, Q. ^{[1
]}

Ge, H. ^{[1
]}

机构：

[1] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China

[2] Datang Boiler & Pressure Vessel Testing Ctr Co Lt, Hefei 230088, Anhui, Peoples R China

来源：

MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK | 2020年 / 51卷 / 02期

关键词：

Rare earth cerium; CrNiMnMo steel; lining steel; impact corrosion; wear resistance; MECHANICAL-PROPERTIES; STEEL; INCLUSIONS; ELEMENTS; MICROSTRUCTURE; CE;

D O I：

10.1002/mawe.201900045

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of the addition of rare earth cerium on the impact corrosion and wear resistance of CrNiMnMo alloyed lining steel were studied using metallurgical microscopy, scanning electron microscope, x-ray powder diffraction, a hardness tester, an impact tester, and an impact corrosion abrasion tester. The properties of CrNiMnMo alloyed lining steel with the addition of cerium were compared with that of CrNiMnMo steel without the addition of cerium after being heat treated by same processes. The results show that CrNiMnMo alloyed lining steel with the addition of rare earth cerium consisted of lath martensite with a low residual austenite phase after being quenched and tempered. The lath of the martensite was fine and uniform. The impact toughness and the corrosion resistance of the steel lining board improved greatly with the addition of cerium and the impact toughness increased by 22 % with the fracture mode of being ductile. The CrNiMnMo alloyed lining steel with cerium showed the highest resistance to impact corrosion abrasion compared with the alloy without cerium.

引用

页码：181 / 188

页数：8

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