退火热处理对高速电弧喷涂碳钢涂层组织性能的影响Effect of annealing treatment on microstructure and properties of high velocity electric arc sprayed steel coating
陈永雄,梁秀兵,魏世丞,刘燕,徐滨士
摘要(Abstract):
采用高速电弧喷涂技术制备高碳钢涂层,并分别进行450、550和650℃保温2h的退火热处理,研究退火工艺对涂层的组织结构、相成分、残余应力及硬度的影响规律。结果表明,除了氧化物之外,高碳钢涂层在热处理前主要含有马氏体组织,450℃退火后出现了粒状渗碳体+铁素体特征的组织,550和650℃退火之后呈现块状特征的组织,且明显粗大;退火处理后涂层中的拉应力有减小的趋势;涂层硬度随着加热温度的升高而降低。因此,合适的热处理工艺可以有效地控制碳钢喷涂层的组织性能。
关键词(KeyWords): 高碳钢;电弧喷涂层;热处理;组织性能
基金项目(Foundation): 国家“863”项目(2009);; 中国机械工程学会焊接学会创新思路预研奖学金(08-12-001)
作者(Author): 陈永雄,梁秀兵,魏世丞,刘燕,徐滨士
DOI: 10.13289/j.issn.1009-6264.2010.03.017
参考文献(References):
- [1]Unger R H,Belashchenko V E,Kratochvil W R.A new arc spray system to spray high density,low oxide coatings[C]//Proceedings of the15th ITSC.Nice,France,1998:1489-1493.
- [2]Chua C K,Hong K H,Ho S L.Rapid tooling technology.Part2:A case study using arc spray metal tooling[J].Int J Advanced Manu Technol,1999,15:609-614.
- [3]Wimpenny D I,Gibbons G J.Metal spray tooling for composite forming[J].J Mater Proc Technol,2003,138:443-48.
- [4]Fang J C,Xu W J,Zhao Z Y.Arc spray forming[J].J Mater Proc Technol,2005,164-165:1032-1037.
- [5]Zhao Z Y,Fang J C,Wang H,et al.Arc spray forming of stainless steel mould[J].Key Eng Mater,2005,291-292:603-608.
- [6]王伊卿.电弧喷涂制造模具关键技术及材料开发研究[D].西安交通大学,2001.
- [7]罗成明,王伊卿,朱东波,等.Zn-Al-Cu伪合金涂层制备与性能研究[J].材料热处理学报,2003,24(2):24-28.LUO Cheng-ming,WANG Yi-qing,ZHU Dong-bo,et al.Preparation and behavior study of Zn-Al-Cu pseudo alloy coating[J].Transactions of Materials and Heat Treatment,2003,24(2):24-28.
- [8]陈正江.电弧熔射成形法快速制造模具技术研究[D].大连理工大学,2005.
- [9]Rayment T,Grant P S.Modeling the heat flow in spray formed steel shells for tooling applications[J].Metal Mater Tran,2006,37B:1037.
- [10]Newbery A P,Grant P S.Oxidation during electric arc spray forming of steel[J].J Mater Proc Technol,2006,178:259-269.
- [11]Hoile S,Rayment T,Grant P S,et al.Oxide formation in the spray form tool process[J].Mater Sci Eng A,2004,383:50-57.
- [12]Rayment T,Hoile S,Grant P S.Phase transformations and control of residual stresses in thick spray-formed steel shells[J].Metal Mater Tran B,2004,35:1113-1122.
- [13]Neiser R A,Smith MF,Dykhuizen R C.Oxidation in wire HVOF-sprayed steel[J].J Thermal Spray Technol,1998,7:537-545.
文章评论(Comment):
|
||||||||||||||||||
|
||||||||||||||||||