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镍箔中间层厚度对GH4099合金固相扩散焊质量的影响

朱源1,2,张昊1,程晓瞳2,李京龙3,熊江涛1,张赋升2

朱源1,2,张昊1,程晓瞳2,李京龙3,熊江涛1,张赋升2. 镍箔中间层厚度对GH4099合金固相扩散焊质量的影响[J]. 焊接学报, 2018, 39(4): 93-98. DOI: 10.12073/j.hjxb.2018390103
引用本文: 朱源1,2,张昊1,程晓瞳2,李京龙3,熊江涛1,张赋升2. 镍箔中间层厚度对GH4099合金固相扩散焊质量的影响[J]. 焊接学报, 2018, 39(4): 93-98. DOI: 10.12073/j.hjxb.2018390103
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ZHU Yuan1,2, ZHANG Hao1, CHENG Xiaotong2, LI Jinglong3, XIONG Jiangtao1, ZHANG Fusheng2. Effect of nickel interlayer thickness on solid-state diffusion bonding quality of superalloy GH4099[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(4): 93-98. DOI: 10.12073/j.hjxb.2018390103
Citation: ZHU Yuan1,2, ZHANG Hao1, CHENG Xiaotong2, LI Jinglong3, XIONG Jiangtao1, ZHANG Fusheng2. Effect of nickel interlayer thickness on solid-state diffusion bonding quality of superalloy GH4099[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(4): 93-98. DOI: 10.12073/j.hjxb.2018390103
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镍箔中间层厚度对GH4099合金固相扩散焊质量的影响

Effect of nickel interlayer thickness on solid-state diffusion bonding quality of superalloy GH4099

摘要

    摘要
  • 摘要: 采用2， 4和 10 μm 镍箔作为中间层，在1 120 ℃/4 MPa/60 min焊接条件下，对高温合金GH4099进行固相扩散焊. 采用SEM，EDS分析接头形貌演变、元素迁移，并利用拉伸试验测试其力学性能. 结果表明，添加镍中间层能促进界面的孔洞闭合. 随着镍层厚度由10 μm降低至2 μm，界面处出现晶粒共生现象，元素扩散更加均匀，焊缝析出较大尺寸的强化相，接头抗拉强度提高，2 μm中间层接头平均抗拉强度达到1 180 MPa. 但随着中间层减薄，接头性能对表面粗糙度敏感，拉伸过程中母材对中间层拘束作用使接头塑性变形受到抑制，断后伸长率反而降低.
    Abstract: This paper conducted solid-state diffusion bonding on superalloy GH4099, in which Nickel foil, in thickness of 2, 4 and 10 μm, was inserted as interlayer. The welding process was implemented in vacuum at solution temperature 1 120 ℃ under 4 MPa of axial compressive stress for 60 min of dwelling time. The microstructure and element migration and tensile property of the joint were measured by using SEM, EDS and tensile test. The results showed that, the adding of Nickel interlayer accelerated elimination of joint porosity. When Nickel interlayer thickness decreased from 10 μm to 2 μm, the grain symbiosis and chemical homogeneity were improved; whereas, the strengthening phases were precipitated more adequately from the joint, which contributed to the rise of tensile strength and the average strength of 1 180 MPa. However, the decrease of interlayer thickness made the joint performance sensitive to the surface roughness, meanwhile mechanical constraint provided by the base materials inhibited the plastic flow, resulting in the decrease of joint elongation.
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  • [1] 夏长林, 裴丙红, 何云华. GH4099合金轧制棒材高温持久性能研究[J]. 钢铁研究学报, 2011, 23(2): 115-118 .Xia Changlin, Pei Binghong, He Yunhua. The study of durable performance in high temperature of GH4099 rolling bar[J]. Journal of Iron and Steel Research, 2011, 23(2): 115-118.[2] 黄志豪. 航空发动机设计用材料数据手册[M]. 北京: 航空工业出版社, 2010.[3] Pouranvari M, Ekrami A, Kokabi A H. Transient liquid phase bonding of wrought IN718 nickel based superalloy using standard heat treatment cycles: Microstructure and mechanical properties[J]. Materials & Design, 2013, 50(17): 694-701.[4] 邱惠中. 扩散焊接及其在航空航天领域的应用[J]. 宇航材料工艺, 1997, 27(4): 27-32.Qiu Huizhong. Application of diffusion bonding in the field of aerospace[J]. Aerospace Materials and Technology, 1997, 27(4): 27-32.[5] Suzumura A, Onzawa T, Tamura H. Solid state diffusion weldability of high temperature alloy A286 and Hastelloy X[J]. Transactions of the Japan Welding Society, 1983, 14(2): 26-32.[6] Duvall D S, Owczarski W A, Paulonis D F, et al. Methods for diffusion welding the superalloy Udimet 700[J]. Balance, 1972, 15(4): 41s-49s.[7] Shakerin S, Omidvar H, Mirsalehi S E. The effect of substrate's heat treatment on microstructural and mechanical evolution of transient liquid phase bonded IN-738 LC[J]. Materials & Design, 2016, 89: 611-619.[8] 陈 箎, 丁树深, 王岫文. 镍基高温合金中位错与γ′相的交互作用[J]. 金属学报, 1965, 8(2): 232-285.Chen Chi, Ding Shushen, Wang Xiuwen. The interaction between dislocation and gamma prime phase in Nickel-based superally[J]. Acta Metallurgica Sinica, 1965, 8(2): 232-285.[9] Yashiro K, Nakashima Y, Tomita Y. Discrete dislocation dynamics simulation of interfacial dislocation network in gamma/gamma-prime microstructure of Ni-based superalloys[J]. Computer Modeling in Engineering & Sciences: CMES, 2006, 11(2): 73-80.[10] 赵彦玲, 周 凯, 车万博, 等. 铝硅合金轧制中增强体颗粒应力集中数值模拟[J]. 材料工程, 2013(3): 51-54.Zhao Yanling, Zhou Kai, Che Wanbo, et al. The numerical modeling of stress concentration around reinforcers in the rolling of aluminum silicon alloy[J]. Journal of Materials Engineering, 2013(3): 51-54.[11] Meshram S D, Mohandas T, Reddy G M. Friction welding of dissimilar pure metals[J]. Journal of Materials Processing Technology, 2007, 184(1): 330-337.[12] Henshall G A, Rosen R S, Kassner M E, et al. Finite element analysis of interlayer welds loaded in tension[J]. Welding Research Supplement, 1990, 69(9): 337-345.
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  • 收稿日期:  2016-09-12

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