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Effects of Nb on microstructure and wear resistance of Fe-Cr-C-B surfacing alloy
Alternative TitleEffects of Nb on microstructure and wear resistance of Fe–Cr–C–B surfacing alloy
Gou Jian; Liu Zhengjun; Jia Hua
2018
Source PublicationJOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
ISSN1006-706X
Volume25Issue:2Pages:243-251
AbstractThe influence of Nb on the microstructure and wear resistance of the surfacing layer was investigated by using the Fe-based flux-cored wire in the Fe-Cr-C-B system. The microstructure, microhardness and wear resistance properties of the samples were investigated by X-ray diffraction, scanning electron microscopy, microhardness testing and abrasive wear testing, respectively. The results indicate that microstructures of the alloy are composed of martensite, retained austenite, M-23(C,B)(6) and NbC. Boride M-23(C,B)(6) is distributed along the grain boundaries, while NbC in shape-regular quadrilateral is distributed in martensite. The microhardness is distributed from the substrate to the surfacing layer gradiently. NbC significantly improved the wear resistance of surfacing layer.
Other AbstractThe influence of Nb on the microstructure and wear resistance of the surfacing layer was investigated by using the Fe-based flux-cored wire in the Fe–Cr–C–B system. The microstructure, microhardness and wear resistance properties of the samples were investigated by X-ray diffraction, scanning electron microscopy, microhardness testing and abrasive wear testing, respectively. The results indicate that microstructures of the alloy are composed of martensite, retained austenite, M_(23)(C,B)_6 and NbC. Boride M_(23)(C,B)_6 is distributed along the grain boundaries, while NbC in shape-regular quadrilateral is distributed in martensite. The microhardness is distributed from the substrate to the surfacing layer gradiently. NbC significantly improved the wear resistance of surfacing layer.
KeywordEXPERIMENTAL PARAMETERS MECHANICAL-PROPERTIES BEHAVIOR STEEL IRON Flux-cored wire Surfacing layer Microhardness Microstructure Wear resistance
Indexed ByCSCD
Language英语
Funding Project[Doctor Foundation Start-up Project of Liaoning Province]
CSCD IDCSCD:6304600
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/154620
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Gou Jian,Liu Zhengjun,Jia Hua. Effects of Nb on microstructure and wear resistance of Fe-Cr-C-B surfacing alloy[J]. JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,2018,25(2):243-251.
APA Gou Jian,Liu Zhengjun,&Jia Hua.(2018).Effects of Nb on microstructure and wear resistance of Fe-Cr-C-B surfacing alloy.JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,25(2),243-251.
MLA Gou Jian,et al."Effects of Nb on microstructure and wear resistance of Fe-Cr-C-B surfacing alloy".JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL 25.2(2018):243-251.
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