本文是在上篇爆炸钛—钢复合工艺试验的基础上,对结合区的金相组织进行观察的总结。为便于叙述,把文中采用的符号及所表示的意义列表如下: This article summarizes the observation of the metallographic structure of the bonded zone on the basis of the experimental test on the exploding titanium-steel composite. For ease of description, the symbols used in the text and the meanings indicated are tabulated below: