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GH4169合金与FGH96合金惯性摩擦焊接头组织和力学性能

张春波, 周军, 张露, 张国栋, 张永强

张春波, 周军, 张露, 张国栋, 张永强. GH4169合金与FGH96合金惯性摩擦焊接头组织和力学性能[J]. 焊接学报, 2019, 40(6): 40-45. DOI: 10.12073/j.hjxb.2019400152
引用本文: 张春波, 周军, 张露, 张国栋, 张永强. GH4169合金与FGH96合金惯性摩擦焊接头组织和力学性能[J]. 焊接学报, 2019, 40(6): 40-45. DOI: 10.12073/j.hjxb.2019400152
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ZHANG Chunbo, ZHOU Jun, ZHANG Lu, ZHANG Guodong, ZHANG Yongqiang. Microstructure and properties of GH4169 nickel-based superalloy and FGH96 nickel-based powder metallurgy superalloy inertial friction welding joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(6): 40-45. DOI: 10.12073/j.hjxb.2019400152
Citation: ZHANG Chunbo, ZHOU Jun, ZHANG Lu, ZHANG Guodong, ZHANG Yongqiang. Microstructure and properties of GH4169 nickel-based superalloy and FGH96 nickel-based powder metallurgy superalloy inertial friction welding joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(6): 40-45. DOI: 10.12073/j.hjxb.2019400152
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GH4169合金与FGH96合金惯性摩擦焊接头组织和力学性能

  • 1.

    哈尔滨焊接研究院有限公司, 哈尔滨 150028

  • 2.

    中国航发商用航空发动机有限责任公司, 上海 200241

基金项目: 国家科技重大专项资助项目（2017ZX04004001），（2018ZX04010001）；国家自然科学基金资助项目（51475196）；机械科学研究院基金资助项目（201710202）

Microstructure and properties of GH4169 nickel-based superalloy and FGH96 nickel-based powder metallurgy superalloy inertial friction welding joint

  • 1.

    Harbin Welding Institute Limited Company, Harbin 150028, China

  • 2.

    AECC Commercial Aircraft Engine Co., Ltd., Shanghai 200241, China

摘要

    摘要
  • 摘要: 在主轴转速为650 r/min、转动惯量为340 kg·m2、焊接压力为450 MPa焊接参数下，实现GH4169与FGH96异质材料惯性摩擦焊接，并对焊后热处理的接头进行显微组织与力学性能分析.在焊接热-力耦合作用下，焊接接头不同区域的金相组织发生变化，晶粒出现不同程度的细化、变形，基体强化相出现不同程度的溶解、变形.焊接接头显微硬度呈"山峰"状分布特征，焊接接头室温抗拉强度平均值为1 366 MPa，高温抗拉强度平均值为1 176.7 MPa，在650℃，641 MPa条件下的平均持久寿命为215 h，焊接接头具有良好的综合力学性能.
    Abstract: Under the welding parameters that spindle speed was 650 r/min, moment of inertia was 340 kg·m2 and welding pressure was 450 MPa, GH4169 and FGH96 was welded by inertial friction welding. Under the action of welding pressure and welding heat cycle, the microstructure of different parts of the welded joint changed, the grains appeared to be refined and deformed to different extents, and the matrix strengthening phase dissolved and deformed to different degrees of dissolution and deformation. Affected by the heat-force coupling effect of the welding, the microhardness of the welded joint was characterized by a "mountain peak" distribution. Mechanical properties of welded joints were tested and analyzed:the average tensile strength of welded joints was 1 366 MPa, and the average tensile strength of high temperature was 1 176.7 MPa. The average long-lasting life was 215 hours at 650℃ and 641 MPa. The welded joint had good comprehensive mechanical properties.
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    • 参考文献(10)
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    [10] 张国栋,何玉怀,苏彬.粉末高温合金FGH95和FGH96的热机械疲劳性能[J].航空材料学报, 2011, 31(6):96-100 Zhang Guodong, He Yuhuai, Su Bin. Thermal-mechanical fatigue performance of powder metallurgy superalloy FGH95 and FGH96[J]. Journal of Aeronautical Materials, 2011, 31(6):96-100
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  • 收稿日期:  2019-01-17

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