The shape of pores was close to globularity when the coarsening time was prolonged.
粗化时间延长，孔隙形状更接近球形。
The graphite globularity quality of ductile iron with fracture toughness has been discussed.
研究石墨球化质量对球墨铸铁断裂韧性的影响。
The graphite globularity quality of ductile iron with fracture toughness has been discussed.
研究石墨球化质量对球墨铸铁断裂韧性的影响。
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