Vacuum diffusion welding of refractory steel to heat resistant alloy was investigated in this paper . the effect of welding parameters on the deformation ratio of joints was examined 针对耐热合金与耐热钢的真空感应扩散焊，研究了扩散焊连接工艺参数对接头变形率的影响、接头变形率与接头性能的关系以及不同接头变形率的微观形态。
