中部槽构件摆动电弧窄间隙GMAW焊接接头组织及性能研究
Microstructure and Properties of Middle Trough Components for Swing Arc GMAW Narrow Gap Welding
- 2024年54卷第3期 页码:54-59
纸质出版日期: 2024-03-25
DOI: 10.7512/j.issn.1001-2303.2024.03.09
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纸质出版日期: 2024-03-25 ,
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董曼淑,孙清洁,刘进德,等.中部槽构件摆动电弧窄间隙GMAW焊接接头组织及性能研究[J].电焊机,2024,54(3):54-59.
DONG Manshu, SUN Qingjie, LIU Jinde, et al.Microstructure and Properties of Middle Trough Components for Swing Arc GMAW Narrow Gap Welding[J].Electric Welding Machine, 2024, 54(3): 54-59.
采用摆动电弧窄间隙GMAW对中部槽所用50 mm厚ZG/NM异种钢组合进行了非对称填充式双面焊接。焊后在垂直于焊缝方向切取金相试样进行微观组织观察,同时取样进行力学性能测试,包括硬度测试和拉伸试验。试验结果表明:摆动电弧GMAW有效抑制了侧壁未熔合缺陷,未出现裂纹;不同填充层由于焊接规范差异,导致组织有所不同;所表征各填充层拉伸性能表现良好,与填充金属性能相当,其中深U型一侧底层强度最高,单道V型填充层强度介于U型顶部与底部之间;接头填充金属的硬度随位置发生变化,从U型一侧到V型一侧,硬度值逐渐降低。不同填充层,母材硬度值最高,填充金属硬度值最低,接头强度与硬度的差异主要归因于焊缝金属中铁素体的含量与形态。
Asymmetrically filled double-sided welding of 50 mm ZG/NM dissimilar steel composite used in the middle trough was carried out by oscillating arc narrow-gap GMAW. With the help of swing arc
the weld is well formed and the incomplete defect of side wall is well controlled. The microstructure and properties of joints at different positions along the plate thickness direction were studied. The results show that there are some differences in the microstructure of different layers due to different welding specifications. The tensile properties of the different filling layers are good and comparable to those of the filling metal. The bottom layer at the side of the deep U groove has the highest strength
and the strength of the single V-shaped layer is between the top and the bottom of the U-shaped filler metal. The hardness of the filler metal changes with the location
from the single U-side to the V-side
the hardness value decreases gradually. The hardness value of base metal is the highest and the hardness value of filling metal is the lowest in different filling layers.
中部槽异种钢焊接窄间隙坡口摆动电弧热输入铁素体
middle troughdissimilar steelnarrow clearance grooveswing archeat inputferrite
周晨辉. 浅谈神东中部槽制造技术方案的设计[J]. 内蒙古煤炭经济, 2020(24):39-40.
ZHOU C H. The design of the manufacturing technology scheme of the middle trough of Shendong[J].Inner Mongolia Coal Economy, 2020(24):39-40.
邱凯飞. 中部槽再制造技术的研究及应用[J]. 煤矿机械, 2022, 43(3): 149-151.
QIU K F. Research and Application of Remanufacturing Technology of Middle Slot[J]. Coal Mine Machinery,2022, 43(3): 149-151.
李恒. 中部槽机器人MAG焊接工艺与接头组织性能研究[D]. 北京:机械科学研究总院,2020.
LI H. Study on Welding Process and Microstructure and Properties of Middle Trough Welding Joint by Robot MAG Welding[D]. Beijing:General Academy of Mechanical Sciences,2020.
张翅,李米哲,邹民赞,等.合金高强耐磨钢中部槽机器人焊接工艺研究[J].焊接技术,2020,49(08):65-69.
ZHANG C, LI M Z, ZOU M Z, et al. Research on middle trough welding technology of low alloy and high strength wear-resistant steel by robot MAG welding[J]. Welding Technology,2020,49(08):65-69.
牛宽,刘双宇,刘凤德,等. 激光-电弧复合焊接工艺参数对焊缝形貌及焊接稳定性的影响[J]. 应用激光,2014, 34(1): 51-56.
NIU K, LIU S Y, LIU F D, et al. The effect of parameters on weld appearence and stability in Laser-ARC welding[J]. Applied Laser, 2014, 34(1): 51-56.
周方明,王江超,周涌明,等. 窄间隙焊接的应用现状及发展趋势[J]. 焊接技术, 2007, 36(4): 4-7.
ZHOU F M, WANG J C, ZHOU Y M, et al. Application status and development trend of narrow gap welding[J]. Welding Technology,2007, 36(4): 4-7.
徐望辉,范成磊,林三宝,等. 摆动电弧窄间隙焊接工艺参数对焊缝成形的影响[J]. 焊接, 2015(2): 13-17.
XU W H, FAN C L, LIN S B, et al. Effect of welding parameters on weld appearance in oscillating arc narrow gap GMAW[J].Welding & Joining,2015(2):13-17.
蔡笑宇. 三元保护气窄间隙GMA焊电弧特性及熔化行为的研究[D]. 黑龙江:哈尔滨工业大学,2018.
CAI X Y. Research on Arc Characteristics and Melting Behaviors of Ternary Gas Shielded Narrow Gap GMA Welding[D]. Heilongjiang:Harbin Institute of Technology, 2018.
徐起,唐新华,刘国强,等. 电弧摆动对窄间隙GMAW横焊打底焊道成形的影响[J]. 焊接,2020(01): 13-20+65-66.
XU Q, TANG X H, LIU G Q, et al. Influence of arc-swing on backing bead formation of narrow-gap GMAW in horizontal position[J]. Welding & Joining, 2020(01): 13-20+65-66.
Zhu C,Tang X,He Y,et al. Effect of preheating on the defects and microstructure in NG-GMA welding of 5083 Al-alloy[J].Journal of Materials Processing Technology, 2018, 251: 214-224.
徐望辉,董春林,杨春利,等. 高强钢摆动电弧窄间隙GMAW组织与性能研究[J]. 焊接, 2016, 517(07):32-36+70.
XU W H, DONG C L, YANG C L, et al. Microstructure and mechanical properties of high-strength steel joints by oscillating arc narrow gap GMAW[J]. Welding & Joining, 2016, 517(07):32-36+70.
Li F,Sun Q,Jin P,et al. Wetting behavior of melt and its effect on lack of fusion in arc oscillating NG-GTAW[J]. Journal of Materials Processing Technology,2021,296:117176.
Huang J,Chen H,He J,et al. Narrow gap applications of swing TIG-MIG hybrid weldings[J]. Journal of Materials Processing Technology, 2019, 271: 609-614.
Handika S D, Joerg V, Alexander K. Influence of secondary-pass laser treatment on retained ferrite and martensite in 44MnSiVS6 microalloyed steel[J]. Materials Today Communications,2022,31:103282.
赵波,张卫东,孙奇. 焊接二次热循环对X90管线钢组织和性能的影响[J]. 焊管,2020,43(03):1-7.
ZHAO B,ZHANG W D,SUN Q. Influence of Secondary Welding Themal Cycle on Structure and Properties of X90 Pipeline Steel[J]. Welded Pipe and Tube,2020,43(03):1-7.
余圣甫,余阳春,谢明立,等. 二次热循环对晶内铁素体的影响[J]. 焊接学报,2003(02):89-92+96.
YU S F, YU Y C, XIE M L, et al.Effect of secondary thermal cycle on intragranular ferrite[J]. Transactions of the China Welding Institution,2003(02):89-92+96.
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