The structure of spring tine is not the same with that of any other parts and there is quenching.
2
结果表明,活塞杆在磁粉探伤中显现的螺旋形磁粉堆积线是由热处理缺陷一屈氏体软带造成的。
The result proves that the accumulate line is caused by heat treatment defect, soft troostite tape.
3
通过金相、性能和热处理试验,对盘条拉丝断裂原因进行了分析,认为盘条存在屈氏体组织是断裂的根本原因。
The mechanical properties testing, microstructure observation and fractographic features analysis of the troostite high chromium cast iron blade were carried out.