马氏体不锈钢等离子堆焊铁基合金组织及磨损性能
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摘要
为了研究马氏体不锈钢的表面性能,采用等离子堆焊技术在Z5CND16-04不锈钢表面制备铁基合金堆焊层.采用扫描电子显微镜、能谱仪、X射线衍射仪、显微硬度计及销盘磨损实验机等检测设备,对堆焊层的组织结构、成分、硬度和磨损性能进行了研究.结果表明,铁基合金堆焊层主要由α-Fe、(Fe,Cr,Mo)7C3和(Fe,Cr,Mo)23C6相组成,添加稀土元素后相组成无明显变化.铁基合金堆焊层的硬度和耐磨性均明显高于马氏体不锈钢基材.添加适量的CeO2后,明显细化了堆焊层的显微组织.
In order to study the surface properties of martensitic stainless steel,the Fe based alloy surfacing layer was deposited on the surface of Z5 CND16-04 martensite stainless steel with the plasma surfacing technology.With such testing devices as the scanning electron microscope( SEM),energy disperse spectroscope( EDS),X ray diffractometer( XRD) and microhardness tester and pin-dish abrasion tester,the microstructure,composition,hardness and wear properties of surfacing layer were studied. The results showthat the surfacing layer is composed of α-Fe,( Fe,Cr,Mo)7 C3 and( Fe,Cr,Mo)23 C6 phases. After adding the rare element( RE),the phase constitute has no obvious change. The hardness and wear resistance of Fe based alloy plasma surfacing layer are higher than those of martensite stainless steel substrate. After adding the moderate content of CeO2,the microstructure of surfacing layer gets obviously refined.
In order to study the surface properties of martensitic stainless steel,the Fe based alloy surfacing layer was deposited on the surface of Z5 CND16-04 martensite stainless steel with the plasma surfacing technology.With such testing devices as the scanning electron microscope( SEM),energy disperse spectroscope( EDS),X ray diffractometer( XRD) and microhardness tester and pin-dish abrasion tester,the microstructure,composition,hardness and wear properties of surfacing layer were studied. The results showthat the surfacing layer is composed of α-Fe,( Fe,Cr,Mo)7 C3 and( Fe,Cr,Mo)23 C6 phases. After adding the rare element( RE),the phase constitute has no obvious change. The hardness and wear resistance of Fe based alloy plasma surfacing layer are higher than those of martensite stainless steel substrate. After adding the moderate content of CeO2,the microstructure of surfacing layer gets obviously refined.
引文
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[13]汪新衡,匡建新,何鹤林,等. CeO2对镍基金属陶瓷激光熔覆层组织和耐磨蚀性能的影响[J].材料保护,2009,42(2):13-15.(WANG Xin-heng,KUANG Jian-xin,HE He-lin,et al.Effects of CeO2on the structure and wear-resistance oflaser cladding Ni based cement composite coating[J].Journal of M aterials Protection,2009,42(2):13-15.)
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[15]唐英.排气门密封面等离子弧堆焊铁基合金涂层的研究[D].天津:天津大学,2007.(TANG Ying. Plasma arc building-up welding ironbased alloy coating on sealing face of air outlet valve[D]. Tianjin:Tianjin University,2007.)
[2]左波,余燕,张茂龙.核电设备不锈钢堆焊层的铁素体含量[J].焊接技术,2012,84(8):10-12.(ZUO Bo,YU Yan,ZHANG Mao-long. Ferrite con-tent in austenitic stainless steel cladding of nuclearpow er components[J]. Welding Technology,2012,84(8):10-12.)
[3] Wang Y,Xing J,Ma S,et al. Interface characterizationand erosion-corrosion behavior of directional Fe-3. 5 w t.%B steel in flow ing liquid zinc at varioustemperatures[J]. Corrosion Science,2016,104:260-268.
[4]张松,韩维娜,李杰勋,等.等离子堆焊原位合成WC增强Ni基合金改性层[J].沈阳工业大学学报,2015,37(3):268-272.(ZHANG Song,HAN Wei-na,LI Jie-xun,et al. In-situsynthesis of WC reinforced Ni-based alloy modifiedlayer w ith PTAW[J]. Journal of Shenyang Universityof Technology,2015,37(3):268-272.)
[5]李德元,张广伟,李德堃,等.熔融锌对沉没辊腐蚀磨损过程的影响[J].沈阳工业大学学报,2016,38(3):258-262.(LI De-yuan,ZHANG Guang-wei,LI De-kun,et al.Influence of molten zinc on corrosion and w earprocess of sink roller[J]. Journal of Shenyang Uni-versity of Technology,2016,38(3):258-262.)
[6]徐国建,李春光,杭争翔,等. CO2激光熔覆镍基合金粉末的组织和性能[J].沈阳工业大学学报,2016,38(4):384-390.(XU Guo-jian,LI Chun-guang,HANG Zheng-xiang,et al. M icrostructure and performance of Ni-based al-loy pow der prepared w ith CO2laser cladding[J].Journal of Shenyang University of Technology,2016,38(4):384-390.)
[7]邓德伟,陈蕊,张洪潮.等离子堆焊技术的现状及发展趋势[J].机械工程学报,2013,49(7):107-111.(DENG De-wei,CHEN Rui,ZHANG Hong-chao.Present status and development tendency of plasmatransferred arc w elding[J]. Journal of M echanicalEngineering,2013,49(7):107-111.)
[8]侯清宇,高甲生.铁基合金等离子堆焊研究进展[J].安徽工业大学学报,2003,20(1):13-16.(HOU Qing-yu,GAO Jia-sheng. Research develop-ment of iron-based alloy plasma w elding[J]. Journalof Anhui University of Technology,2003,20(1):13-16.)
[9]王永利,上官林宏,郝胜强,等.稀土在表面涂层领域的研究与应用简述[J].机械工程学报,2013,49(5):51-52.(WANG Yong-li,SHANGGUAN Lin-hong,HAOSheng-qiang,et al. Research on rare-earth in the fieldof surface coating and its application[J]. Journal ofM echanical Engineering,2013,49(5):51-52.)
[10]Wu C L,Zhang S,Zhang C H,et al. Phase evolutionand cavitation erosion-corrosion behavior of Fe Co-CrAlNiTix high entropy alloy coatings on 304 stainlesssteel by laser surface alloying[J]. Journal of Alloysand Compounds,2017,698:761-770.
[11]张春华,刘杰,吴臣亮,等. 316L不锈钢表面激光熔覆Co基合金组织及锌蚀机理研究[J].焊接学报,2015,36(1):19-22.(ZHANG Chun-hua,LIU Jie,WU Chen-liang,et al.M icrostructure and zinc corrosion mechanism of lasercladding Co based alloy on 316L stainless steel[J].Transactions of the China Welding Institution,2015,36(1):19-22.)
[12]张春华,丁燕燕,关锰,等.类激光熔覆Stellite合金沉积层的组织及磨损性能[J].沈阳工业大学学报,2017,39(1):12-16.(ZHANG Chun-hua,DING Yan-yan,GUAN Meng,et al. M icrostructure and w ear properties of Stellite al-loy deposited layer prepared by like-laser cladding[J]. Journal of Shenyang University of Technology,2017,39(1):12-16.)
[13]汪新衡,匡建新,何鹤林,等. CeO2对镍基金属陶瓷激光熔覆层组织和耐磨蚀性能的影响[J].材料保护,2009,42(2):13-15.(WANG Xin-heng,KUANG Jian-xin,HE He-lin,et al.Effects of CeO2on the structure and wear-resistance oflaser cladding Ni based cement composite coating[J].Journal of M aterials Protection,2009,42(2):13-15.)
[14]赵高敏,王昆林,李传刚.稀土对Fe基合金激光熔覆层抗磨性能的影响[J].摩擦学学报,2004,24(4):318-321.(ZHAO Gao-min,WANG Kun-lin,LI Chuan-gang.Effect of La2O3on w ear resistance of laser-claddedFe-based alloy coatings[J]. Tribology,2004,24(4):318-321.)
[15]唐英.排气门密封面等离子弧堆焊铁基合金涂层的研究[D].天津:天津大学,2007.(TANG Ying. Plasma arc building-up welding ironbased alloy coating on sealing face of air outlet valve[D]. Tianjin:Tianjin University,2007.)