Study on Microstructure and Properties of Fe-Cr-C-Nb Wear-resistant Alloy Obtained by Open Arc Surfacing Welding AITranslate
Abstract AITranslate
Fe-Cr-C-Nb hardfacing alloy was prepared on the surface of 45 steel by open arc surfacing weding witn self-shielding flux-cored welding wires.The effect of ferroniobium content on microstructure,hardness and wear resistance of Fe-Cr-C-Nb hardfacing alloy was studied by using OM,SEM,XRD,Rockwell hardness tester and wear testing machine.The results show that the microstructure of Fe-Cr-C-Nb hardfacing alloy is composed ofγ-Fe、NbC、M7C3、M3C and a littleα-Fe.With the increase of Nb content,NbC precipitates have increased total amount and disperse uniformly in the matrix,with morphology evolution from granular to dendritic,and the growth ofγ-Fe particles is inhibited to refine the grains,and improve toughness and strength of Fe-Cr-C-Nb hardfacing alloy.The experimental results of hardness and wear resistance tests show that with the increase of Nb content,the hardness of Fe-Cr-C-Nb hardfacing alloy increases,and its wear resistance increases at first and then decreases.
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Basic Information:
DOI：
Chinese Library Classification Number:TG422[金属学及工艺—焊接]
Citation Information:
Fe-Cr-C-Nb hardfacing alloy was prepared on the surface of 45 steel by open arc surfacing weding witn self-shielding flux-cored welding wires.The effect of ferroniobium content on microstructure,hardness and wear resistance of Fe-Cr-C-Nb hardfacing alloy was studied by using OM,SEM,XRD,Rockwell hardness tester and wear testing machine.The results show that the microstructure of Fe-Cr-C-Nb hardfacing alloy is composed ofγ-Fe、NbC、M7C3、M3C and a littleα-Fe.With the increase of Nb content,NbC precipitates have increased total amount and disperse uniformly in the matrix,with morphology evolution from granular to dendritic,and the growth ofγ-Fe particles is inhibited to refine the grains,and improve toughness and strength of Fe-Cr-C-Nb hardfacing alloy.The experimental results of hardness and wear resistance tests show that with the increase of Nb content,the hardness of Fe-Cr-C-Nb hardfacing alloy increases,and its wear resistance increases at first and then decreases.
quote
| GB/T 7714-2015 | [1] HUANG Fei, HE Peng-qiao, CHEN Han-lin, et al. Study on Microstructure and Properties of Fe-Cr-C-Nb Wear-resistant Alloy Obtained by Open Arc Surfacing Welding[J]. Rare Metals and Cemented Carbides, 2017(1): 36-39. |
| MLA | [1] HUANG Fei, et al., "Study on Microstructure and Properties of Fe-Cr-C-Nb Wear-resistant Alloy Obtained by Open Arc Surfacing Welding." Rare Metals and Cemented Carbides, no. 1, 2017, pp. 36-39. |
| APA | [1] HUANG Fei, HE Peng-qiao, CHEN Han-lin, ZHANG Hai-cang, & PENG Wu-qiang. (2017). Study on Microstructure and Properties of Fe-Cr-C-Nb Wear-resistant Alloy Obtained by Open Arc Surfacing Welding. Rare Metals and Cemented Carbides(1), 36-39. |
| IEEE | [1] HUANG Fei, HE Peng-qiao, CHEN Han-lin, ZHANG Hai-cang, and PENG Wu-qiang, "Study on Microstructure and Properties of Fe-Cr-C-Nb Wear-resistant Alloy Obtained by Open Arc Surfacing Welding," Rare Metals and Cemented Carbides, no. 1, pp. 36-39, 2017. keywords: {Fe-Cr-C-Nb alloy;open arc surfacing welding;self-shielding flux-cored welding wire;microstructure;hardness;wear resistance} |