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对不同含Ｓｉ量的铁素体球铁进行了热冲击试验，并考出了Ｓｉ量及石墨组织对其抗热冲击性能的影响．
Thermal shock tests were carried out on ferrite ductile iron with different contents of Si, and the effect of Si content and graphite structure on its thermal shock resistance was also investigated.