Investigation of the Microstructures and Properties of B-Bearing High-Speed Alloy Steel

被引：2
|
作者：
Zhang, Jingqiang [1 ]
Yang, Penghui [2 ]
Wang, Rong [2 ]
机构：
[1] Zhejiang Univ Sci & Technol, Sch Mech & Energy Engn, Hangzhou 310023, Peoples R China
[2] Lanzhou Univ Technol, State Key Lab Adv Proc Recycling Nonferrous Met, Lanzhou 730050, Peoples R China
来源：
COATINGS | 2022年 / 12卷 / 11期
关键词：
boron-bearing high-speed alloy steel; properties; quenching temperature; boron-rich carbide; MECHANICAL-PROPERTIES; CRYSTALLOGRAPHY;
D O I：
10.3390/coatings12111650
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This work aims to research the influence of boron and quenching temperature on the microstructures and performances of boron-bearing high-speed alloy steel. The results showed that the hardness and wear resistance of boron-bearing high-speed alloy steel were improved after increasing the boron content. The volume fraction of boron-rich carbide gradually decreased, and the hardness increased significantly with the rise in quenching temperature. The highest comprehensive mechanical properties were obtained for samples quenched at 1040 degrees C. The TEM results showed the boron-rich carbide was M-7(C, B)(3) with an HCP structure, and the precipitated particles were M-23(C, B)(6) with an FCC structure after tempering. This work may help improve the wear resistance of materials in the field of surface coatings.
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收藏
页数：13
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