The morphology and distribution of vanadium in bainite ductile cast iron were studied.
研究了钒在贝氏体球墨铸铁中的存在形态及其分布。
Reasonable alloy elements could improve mechanical properties of the Bainite ductile cast iron.
合理加入合金元素有利于提高贝氏体球铁的性能。
The origin of these excellent properties of austenite-bainite ductile cast iron has also been explored in this study.
本文还探讨了奥氏体-贝氏体球铁性能优异的原因。
Crack nucleation and propagation in wear-resistant bainite ductile cast iron were investigated by press trace method and SEM.
采用压痕法及扫描电镜观察，研究了抗磨贝氏体球铁中裂纹的形核与扩展。
The bainite ductile cast iron has been widely used because of its excellent combination of hardness, toughness and wear properties.
贝氏体球墨铸铁由于具有优异的强韧性能和耐磨性能已得到广泛的应用。
The effects of elements B, Cu and Mn on structure and mechanical properties of the Bainite ductile cast iron in above-mentioned process were investigated.
研究了硼、铜、锰对贝氏体球墨铸铁组织和性能的影响，并讨论了球墨铸铁的性能滞后现象，即等温淬火后随时间延长硬度增加的现象。
The results show that the range of austenitizing temperature required for bainite hardening and the hardness of bainite ductile cast iron is increased as vanadium is added.
研究结果表明，钒使贝氏体转变所要求的奥氏体化温度范围增大，并使贝氏体球铁的硬度提高。
The tests for the ductile fracture toughness and the contact fatigue are also carried out for examining serviceability and durability of austenite-bainite ductile cast iron.
为了考察奥氏体-贝氏体球铁的可靠性和使用寿命，还进行了延性断裂韧度与接触疲劳性能的试验。
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。
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。
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