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AgCuInTi真空钎焊金刚石复合刀具的组织与力学性能
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1.西安科技大学 机械工程学院,陕西 西安 710054;2.哈尔滨工业大学 先进焊接与连接国家重点实验室,黑龙江 哈尔滨 150001;3.西安石油大学 材料科学与工程学院,陕西 西安 710065;4.中煤科工西安研究院(集团)有限公司,陕西 西安 710077;5.西北工业大学 陕西省摩擦焊接工程技术重点实验室,陕西 西安 710072;6.华北水利水电大学 材料学院,河南 郑州 450011;7.安徽工程大学 材料科学与工程学院,安徽 芜湖 241000

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国家自然科学基金项目(面上项目,重点项目,重大项目)


Microstructure and Mechanical Properties of PDC Cutters Vacuum Brazed by AgCuInTi Filler Metal
Author:
Affiliation:

1.College of Mechanical Engineering, Xi'an University of Science and Technology, Xi'an 710054, China;2.State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China;3.College of Materials Science and Engineering, Xi'an Shiyou University, Xi'an 710065, China;4.CCTEG Xi'an Research Institute (Group) Co., Ltd, Xi'an 710077, China;5.Shaanxi Key Laboratory of Friction Welding Technologies, Northwestern Polytechnical University, Xi'an 710072, China;6.School of Materials Science and Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, China;7.School of Materials Science and Engineering, Anhui Polytechnic University, Wuhu 241000, China

Fund Project:

National Natural Science Foundation of China (52075551, 52271045, 51975469); Supported by State Key Laboratory of Advanced Welding and Joining (AWJ-22M09); Supported by State Key Laboratory of Advanced Brazing Filler Metals and Technology (SKLABFMT201904); Key Research and Development Program of Shaanxi Province (2022GY-224); Innovative Talent Recommendation Program (Youth Science and Technology New Star Project) of Shaanxi Province (2020 KJX X-045)

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    摘要:

    在真空条件下,采用AgCuInTi钎料焊接金刚石复合刀片和碳钢,研究了钎焊温度对母材润湿性和接头抗剪切强度的影响。同时,对接头的界面组织、成分和物相进行了分析。结果表明,AgCuInTi钎料对硬质合金和钢的表面具有良好的润湿作用。随着钎焊温度的升高,润湿角减小,扩散面积增大。真空钎焊金刚石复合刀片的适宜温度为770 ℃,该温度下的最大抗剪切强度为228 MPa。

    Abstract:

    Polycrystalline diamond compact (PDC) cutters and carbon steel were brazed by AgCuInTi filler metal under vacuum condition. The effects of brazing temperature on the wettability of base metal and shear strength of joints were investigated. Besides, the joint's interface microstructure, composition, and phases were analyzed. Results show that the AgCuInTi filler metal exerts a good wetting effect to the surface of cemented carbide and steel. With the increase in brazing temperature, the wetting angle decreases and the spreading area increases. The suitable temperature for vacuum brazing of PDC cutters is 770 °C, and the maximum shear strength is 228 MPa at this temperature.

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温国栋,王世清,张素慧,亓均雷,陈海燕,王星星,徐东.AgCuInTi真空钎焊金刚石复合刀具的组织与力学性能[J].稀有金属材料与工程,2025,54(5):1177~1184.[Wen Guodong, Wang Shiqing, Zhang Suhui, Qi Junlei, Chen Haiyan, Wang Xingxing, Xu Dong. Microstructure and Mechanical Properties of PDC Cutters Vacuum Brazed by AgCuInTi Filler Metal[J]. Rare Metal Materials and Engineering,2025,54(5):1177~1184.]
DOI:10.12442/j. issn.1002-185X.20240207

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历史
  • 收稿日期:2024-04-09
  • 最后修改日期:2024-07-01
  • 录用日期:2024-07-10
  • 在线发布日期: 2025-05-23
  • 出版日期: 2025-05-22