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利用因子设计方法研究了ＰＤＣ复合片与硬质合金刀杆真空扩散焊主要工艺参数（温度、压力和时间等）对接头剪切强度的影响，总结出了相应的经验关系式，然后分别考察了各主要工艺参数单独对接头剪切强度的影响，并且分析了各主要工艺参数相互之间对接头剪切强度的交叉影响。
The influence of main process parameters (temperature, pressure and time) on the shear strength of PDC joint and carbide cutter vacuum diffusion welding was studied by factorial design method, and the corresponding empirical relationship was summarized. The influence of the main process parameters on the shearing strength of the joint alone was analyzed and the influence of the main process parameters on the shearing strength of the joint was analyzed.