The result indicates that the fracture of pearlite low carbon ductile iron belongs to brittle fracture;
结果表明，珠光体低碳球铁的断口应属于脆性断裂的范畴；
SEM and TEM examination showed that the graphite in low carbon ductile iron formed nucleus and grew up based on the sulfide and oxide of manganese and calcium.
结果表明：低碳球墨铸铁中的石墨是以锰、钙等的硫化物与氧化物作为基底形核并长大形成的。
Through the study on both the internal structure and the nucleus shape in low carbon ductile iron, influencing regularity of the nucleus shape on the graphite spheroidization has been discussed.
研究了低碳球铁中球状石墨的内部结构及核心形状，探讨了核心形状对石墨球化的影响规律。
The enhancement of toughness and plasticity of quasi-as-cast bainite low carbon ductile iron is contributed by the large amount of austenite and acicular carbon-free bainite inlaying in the austenite.
准铸态贝氏体低碳球铁韧塑性的提高，与其组织中形成的大量奥氏体和镶嵌在当中的针状无碳贝氏体密切相关。
By controlling knock-out time, bainite structure was obtained in the as-cast low-carbon ductile iron cast with EPC process.
采用消失模铸造工艺，经准铸态贝氏体工艺处理后，得到了贝氏体组织。
Main raw material: cast iron, ductile iron, carbon steel, low temperature steel, stainless steel, alloy steel, heat-resistant steel, rubber, plastic, and so on.
材料主要有：灰铸铁、球墨铸铁、碳钢、低温钢、不锈钢、合金钢、耐热钢、橡胶、塑料等。
Main raw material: cast iron, ductile iron, carbon steel, low temperature steel, stainless steel, alloy steel, heat-resistant steel, rubber, plastic, and so on.
材料主要有：灰铸铁、球墨铸铁、碳钢、低温钢、不锈钢、合金钢、耐热钢、橡胶、塑料等。
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