Microstructure and Properties of Novel Heat-Resistant HR3C/T92 Dissimilar Steel Welded Joint
摘 要
采用HIG-370镍基焊丝, 通过手工钨极氩弧焊(GTAW)对HR3C和T92耐热钢进行焊接;利用光学显微镜、扫描电镜、X射线衍射仪, 并通过拉伸、弯曲、冲击和硬度试验等研究了HR3C/T92异种钢焊接接头的显微组织和性能。结果表明: 获得的HR3C/T92异种钢接头强度、塑韧性良好, 拉伸接头断于T92钢母材处;焊缝基体组织为奥氏体胞状枝晶, 组织中的析出相主要为M23C6和NbC, HR3C钢及其侧热影响区的组织为奥氏体和M23C6、Nb(C, N)析出相, 而T92钢及其热影响区的组织为回火马氏体和M23C6析出相。
Abstract
HR3C steel and T92 steel were welded by handwork gas tungsten arc welding using Ni-based HIG-370 electrode as welding material. The microstructure and mechanical properties of T92/HR3C dissimilar welded joint were investigated by means of optical microscopy, scanning electron microscopy, X-ray diffraction, tensile test, bending test, impact test and hardness test. The results show that the prepared T92/HR3C dissimilar welded joint had superior strength, ductility and toughness, fractured at the base metal of T92 steel. The matrix of the welded metal was composed of austenitic cellular dendrite. Precipitates of weld metal consisted of M23C6 and NbC. The base metal of HR3C steel as well as the heat affected zone close to HR3C steel consisted of austenite and precipitates of Nb(C, N) and M23C6. The microstructure of the base metal of T92 steel and the heat affected zone close to T92 steel was tempered martensite and M23C6 precipitate.
中图分类号 TG146.1
所属栏目 新材料新工艺
基金项目
收稿日期 2012/7/19
修改稿日期 2013/4/21
网络出版日期
作者单位点击查看
备注李新梅(1980-), 女, 山东菏泽人, 工程师, 博士。
引用该论文: LI Xin-mei,ZHANG Zhong-wen,DU Bao-shuai,PENG Xian-you. Microstructure and Properties of Novel Heat-Resistant HR3C/T92 Dissimilar Steel Welded Joint[J]. Materials for mechancial engineering, 2013, 37(9): 33~36
李新梅,张忠文,杜宝帅,彭宪友. 新型耐热HR3C/T92异种钢接头的显微组织和性能[J]. 机械工程材料, 2013, 37(9): 33~36
被引情况:
【1】李新梅,张忠文,杜宝帅,彭宪友, "600 ℃时效后HR3C钢的显微组织和冲击韧性",机械工程材料 38, 95-98(2014)
共有人对该论文发表了看法,其中:
人认为该论文很差
人认为该论文较差
人认为该论文一般
人认为该论文较好
人认为该论文很好
参考文献
【1】周振丰.金属焊接性;M].北京: 机械工业出版社, 1997.
【2】杨富, 章应霖, 任永宁, 等.新型耐热钢焊接;M].北京: 中国电力出版社, 2006.
【3】宋有明, 陈国宏, 余新海, 等.HR3C/T92异种钢焊接接头高温拉伸变形及断裂行为[J].材料热处理学报, 2012, 33(2): 72-78.
【4】刘俊健, 陈国宏, 于新海, 等.HR3C/T92异种钢焊接接头的组织结构和力学性能[J].材料热处理学报, 2011, 32(2): 54-60.
【5】顾福明, 罗晓明, 叶上云, 等.HR3C/T92异种钢焊接接头性能研究[J].金属加工, 2011(6): 65-68.
【6】陈国宏, 刘俊建, 余新海, 等.高温时效T92 /HR3C 焊接接头的组织结构和力学性能[J].材料热处理学报, 2011, 32(9): 89-95.
【7】金彦, 顾福明, 叶上云, 等.HR3C/T92异种钢焊接接头蠕变断裂行为研究[J].锅炉技术, 2010, 41(3): 45-48.
【8】张巩耀, GRAHAM H.采用617类镍基材料焊接Super304H和HR3C高温奥氏体耐热钢;C]//超超临界锅炉用钢及焊接技术协作网第三届论坛大会论文集.天津: ;出版者不详], 2009: 70-79.
【9】SWINNDEMAN R W. The potential of modified type 310 stainless steel for advanced fossil energy applications;R].Oak Ridge: Metals and Ceramics Division, 1992.
【10】肖继美.不锈钢的金属学问题;M].北京: 冶金工业出版社, 2006.
【11】DL/T 868-2004 焊接工艺评定规程;S].
【2】杨富, 章应霖, 任永宁, 等.新型耐热钢焊接;M].北京: 中国电力出版社, 2006.
【3】宋有明, 陈国宏, 余新海, 等.HR3C/T92异种钢焊接接头高温拉伸变形及断裂行为[J].材料热处理学报, 2012, 33(2): 72-78.
【4】刘俊健, 陈国宏, 于新海, 等.HR3C/T92异种钢焊接接头的组织结构和力学性能[J].材料热处理学报, 2011, 32(2): 54-60.
【5】顾福明, 罗晓明, 叶上云, 等.HR3C/T92异种钢焊接接头性能研究[J].金属加工, 2011(6): 65-68.
【6】陈国宏, 刘俊建, 余新海, 等.高温时效T92 /HR3C 焊接接头的组织结构和力学性能[J].材料热处理学报, 2011, 32(9): 89-95.
【7】金彦, 顾福明, 叶上云, 等.HR3C/T92异种钢焊接接头蠕变断裂行为研究[J].锅炉技术, 2010, 41(3): 45-48.
【8】张巩耀, GRAHAM H.采用617类镍基材料焊接Super304H和HR3C高温奥氏体耐热钢;C]//超超临界锅炉用钢及焊接技术协作网第三届论坛大会论文集.天津: ;出版者不详], 2009: 70-79.
【9】SWINNDEMAN R W. The potential of modified type 310 stainless steel for advanced fossil energy applications;R].Oak Ridge: Metals and Ceramics Division, 1992.
【10】肖继美.不锈钢的金属学问题;M].北京: 冶金工业出版社, 2006.
【11】DL/T 868-2004 焊接工艺评定规程;S].
相关信息