论文部分内容阅读
针对长期受外动压的水雷铝外壳小口径孔座频繁出现焊接裂纹的问题,对部分存在焊接裂纹的小口径孔座进行了解剖和机理分析,找出了小口径孔座焊接裂纹产生的原因。并从材料选取和工艺优化两方面提出了切实可行的改进措施,为消除同类的小口径孔座焊接裂纹提供了依据。
Aiming at the problem of frequent welding cracks on the small-diameter hole seat of the aluminum mine shell with long-term external pressure, the paper analyzes the anatomy and mechanism of some small-diameter hole seats with welding cracks and finds out the reason of welding cracks in the small-diameter hole seat . The feasible measures for improvement of material selection and process optimization are put forward, which provide the basis for eliminating the welding crack of the same kind of small diameter holes.