Microstructure analysis showed significantly consistent change in nodule counts and possibly the numbers of microshrinkage pores present from the bottom to the top of heavy-section casting.
在厚断面 铸件取样位置不
时，由于浇铸凝固时间不，疲劳强度也不。
缩;缩孔;观缩孔Microstructure analysis showed significantly consistent change in nodule counts and possibly the numbers of microshrinkage pores present from the bottom to the top of heavy-section casting.
在厚断面 铸件取样位置不时，由于浇铸凝固时间不，疲劳强度也不。
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