孙焕焕,冯鑫源,赵亮,李险峰,刘萍

• 1:沈阳理工大学材料科学与工程学院
• 2:上海交通大学金属基复合材料国家重点实验室

摘要(Abstract)：

采用冷金属过渡(CMT)技术实现了TiB_2/2319复合材料丝材的多层多道增材成型，研究了增材层的微观组织与力学性能。结果表明：增材层组织为等轴晶，由于不同区域的受热和散热程度不同导致晶粒尺寸有差异，开始区域晶粒尺寸最细小，中间区域晶粒尺寸最为粗大；随着增材的进行，增材层中的气孔数量呈减少趋势；热处理后的增材层平均显微硬度可达142.85 HV,较沉积态提升34.2%,平行(X方向)及垂直(Y方向)增材堆积方向的平均抗拉强度分别可达451和444 MPa,较沉积态分别提升57.7%和62.6%;增材层的强化机理为弥散强化和细晶强化。

关键词(KeyWords)： 铝基复合材料;冷金属过渡技术;电弧增材;微观组织;力学性能

Abstract:

Keywords:

基金项目(Foundation): 辽宁省自然科学基金面上项目(2022-MS-275)

作者(Author): 孙焕焕,冯鑫源,赵亮,李险峰,刘萍

DOI: 10.13289/j.issn.1009-6264.2025-0141

参考文献(References)：

• [1] 石寅晖，李洁，刘坤，等.铝合金电弧熔丝增材制造的冶金缺陷研究现状与展望[J].材料热处理学报，2023,44(6):1-10.SHI Yin-hui,LI Jie,LIU Kun,et al.Research progress and prospect of metallurgical defects in wire arc additive manufacturing of aluminum alloys[J].Transactions of Materials and Heat Treatment,2023,44(6):1-10.
• [2] Pan J J,He X X,Zhao P C,et al.Numerical analysis of typical droplets transfer mode in wire and arc additive manufacture process[J].China Welding,2020,29(3):44-53.
• [3] Cunningham C R,Flynn J M,Shokrani A,et al.Invited review article:Strategies and processes for high quality wire arc additive manufacturing[J].Additive Manufacturing,2018,22:672-686.
• [4] Zhao P K,Fang K,Tang C,et al.Effect of interlayer cooling time on the temperature field of 5356-TIG wire arc additive manufacturing[J].China Welding,2021,30(2):17-24.
• [5] Dong B L,Cai X Y,Xia Y H,et al.Wire arc additive manufacturing of a heat-resistant Al-Cu-Ag-Sc alloy:Microstructures and high-temperature mechanical properties[J].China Welding,2023,32(4):1-10.
• [6] 林三宝，夏云浩，董博伦，等.双丝电弧增材制备Al-Mg-Zn-Cu-Sc铝合金工艺与组织性能[J].焊接学报，2022,43(11):36-42+164-165.LIN San-bao,XIA Yun-hao,DONG Bo-lun,et al.Microstructure and properties of dual-wire arc additive manufacturing of Al-Mg-Zn-Cu-Sc alloy[J].Transactions of the China Welding Institution,2022,43(11):36-42.
• [7] 奥妮，何子昂，吴圣川，等.激光增材制造AlSi10Mg合金的力学性能研究进展[J].焊接学报，2022,43(9):1-19.AO Ni,HE Zi-ang,WU Sheng-chuan,et al.Recent progress on the mechanical properties of laser additive manufacturing AlSi10Mg alloy[J].Transactions of the China Welding Institution,2022,43(9):1-19.
• [8] Hauser T,Reisch R T,Breese P P,et al.Porosity in wire arc additive manufacturing of aluminium alloys[J].Additive Manufacturing,2021,41:101993.
• [9] Chen M R,Luo S C,Chen X M,et al.Effect of deposition parameters and deposition height on the microstructure and properties of laser-cold metal transfer composite additively manufactured 2319 aluminum alloy[J].Materials,2024,17(12):2914-2914.
• [10] Schmitz V,Chakhlov S,Muller W,et al.Experiences with synthetic aperture focusing technique in the field[J].Ultrasonic,2000,37:731-738.
• [11] 王雪晴，肖笑，孟令燃，等.镁合金电弧增材制造技术的研究进展[J].材料热处理学报，2023,44(8):1-15.WANG Xue-qing,XIAO Xiao,MENG Ling-ran,et al.Research progress in wire and arc additive manufacturing technology of magnesium alloy[J].Transactions of Materials and Heat Treatment 2023,44(8):1-15.
• [12] 黄佳欣，任香会，于振涛，等.基于响应面法的CMT增材成形[J].材料热处理学报，2023,44(3):205-216.HUANG Jia-xin,REN Xiang-hui,YU Zhen-tao,et al.CMT additive forming based on response surface methodology[J].Transactions of Materials and Heat Treatment,2023,44(3):205-216.
• [13] 王浩伟.原位自生陶瓷颗粒增强铝基复合材料制备及应用[J].航空制造技术，2021,64(16):14-26.WANG Hao-wei.Preparation and application of in-situ ceramic particles reinforced Al matrix composites[J].Aeronautical Manufacturing Technology,2021,64(16):14-26.
• [14] 孙焕焕，冯杨，李险峰，等.TiB2/6056复合材料的电弧增材制造工艺及组织分析[J].热加工工艺，2023,52(21):44-48.SUN Huan-huan,FENG Yang,LI Xian-feng,et al.Analysis on arc additive manufacturing process and microstructure of TiB2/6056 composites[J].Hot Working Technology,2023,52(21):44-48.
• [15] 范玉虎，余申卫，王惠梅，等.TiB2原位增强铝基复合材料的制备及其性能研究[J].热加工工艺，2022,51(8):69-71.FAN Yu-hu,YU Shen-wei,WANG Hui-mei,et al.Preparation and properties of TiB2 in-situ reinforced aluminum matrix composites[J].Hot Working Technology,2022,51(8):69-71.
• [16] Sun H H,Ren Y B,Feng Y,et al.Fabrication and analysis of TIG welding-brazing butt joints of in-situ TiB2/7050 composite and TA2[J].Defence Technology,2021,17(3):1062-1070.
• [17] 崔海超，荆文，陈哲，等.热输入对Al/TiB2铝基复合材料激光焊接粒子分布影响[J].焊接，2018(10):44-47.CUI Hai-chao,JING Wen,CHEN Zhe,et al.Effects of heat input on particle distribution in laser welded Al/TiB2 composites[J].Welding & Joining,2018(10):44-47.
• [18] 章敏立.激光选区熔化原位自生TiB2/Al-Si复合材料强韧化机理研究[D].上海：上海交通大学，2018.ZHANG Min-li.Study on strengthening and toughening mechanism of in-situ TiB2/Al-Si composite fabricated by selective laser melting[D].Shanghai:Shanghai Jiao Tong University,2018.
• [19] 王安，唐梓珏，吴一，等.激光粉末床熔化制备TiB2颗粒增强7050铝基复合材料的组织及性能研究(特邀)[J].中国激光，2024,51(4):181-189.WANG An,TANG Zi-jue,WU Yi,et al.Microstructure and properties of 7050 aluminum matrix composites reinforced by TiB2 particles fabricated through laser powder bed fusion (Invited)[J].Chinese Journal of Lasers,2024,51(4):181-189.
• [20] 蒋鹏.TiB2增强铝基复合材料CMT多层多道电弧增材成形研究[D].沈阳：沈阳理工大学，2024.JIANG Peng.Research on CMT multi-layer arc additive forming of TiB2 reinforced aluminum matrix composite[D].Shenyang:Shenyang Ligong University,2024.
• [21] 王建国，丛福官，陈岩，等.CMT电弧增材制造2319铝合金微观组织与力学性能分析[J].轻合金加工技术，2024,52(5):59-65.WANG Jian-guo,CONG Fu-guan,CHEN Yan,et al.Microstructure and mechanical properties analysis of CMT arc-additive manufactured 2319 aluminum alloy[J].Light Alloy Fabrication Technology,2024,52(5):59-65.
• [22] 韩高阳.原位自生TiB2/Al-Si-Mg复合材料搅拌摩擦焊接的微观组织与力学性能研究[D].上海：上海交通大学，2018.HAN Gao-yang.Study of microstructure and mechanical properties of friction stir welded in-situ TiB2/Al-Si-Mg composite[D].Shanghai:Shanghai Jiao Tong University,2018.
• [23] 许辰苏.搅拌摩擦加工对原位自生TiB2增强铝基复合材料组织性能的影响[D].上海：上海交通大学，2013.XU Chen-su.Effect of friction stir processing on microstructure and properties of in-situ TiB2 reinforced Al-alloy composite[D].Shanghai:Shanghai Jiao Tong University,2013.
• [24] 曹凤雷.热处理对电弧增材制造2319铝合金组织和性能的影响[D].石家庄：河北科技大学，2024.CAO Feng-lei.Effect of heat treatment on microstructure and properties of directed energy deposition-arc 2319 Al alloy[D].Shijiazhuang:Hebei University of Science and Technology,2024.
• [25] 刘春宇.2319铝合金电弧增材制造组织与性能研究[D].沈阳：沈阳航空航天大学，2019.LIU Chun-yu.Research on microstructure and property of 2319 aluminum alloy by wire arc additive manufacturing[D].Shenyang:Shenyang Aerospace University,2019.
• [26] 冯杨.TiB2增强铝基复合材料电弧增材制造工艺与性能研究[D].沈阳：沈阳理工大学，2022.FENG Yang.Research on arc additive manufacturing process and properties of TiB2 reinforced aluminum matrix composite[D].Shenyang:Shenyang Ligong University,2022.
• [27] 巴豪强.TiB2颗粒增强铝基复合材料CMT焊接工艺及数值模拟研究[D].沈阳：沈阳理工大学，2023.BA Hao-qiang.Research on CMT welding process and numerical simulation of TiB2 particle reinforced aluminum matrix composites[D].Shenyang:Shenyang Ligong University,2023.

文章评论(Comment)：