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The phase transformation kinetics of pearlite to austenite in low alloy steel was studied by the methods of DSC.

采用DSC法研究了低合金钢组织中珠光体!奥氏体的相变动力学。

The effect of deformation on the phase transformation from pearlite to austenite in low alloy steel was studied by DSC.

采用DSC法研究了变形对低合金钢组织中珠光体!奥氏体相变的影响。

The content of pearlite in alloy exceeded 95% and the content of cementite was under 5%.

该铸铁的珠光体含量大于95%,渗碳体小于5%,抗拉强度可达700~850MPa,硬度为280~350HB,延伸率为3%~5%。

The results indicate that the fraction of pearlite in the ductile iron matrix increase with increase of copper and the decrease of silicon in this investigation.

研究表明,在试验范围内,随着铜含量增加和硅含量减少,球铁基体中的珠光体数量增多。

As before, any remaining austenite transforms to pearlite upon slow cooling through this temperature.

就像以前说的一样,当缓慢冷却到这温度时所有剩余奥氏体转化为珠光体。

It is necessary to study the weldability of the bainite rail.The temperature field analysis was simulated by FEM.

文中对贝氏体与珠光体钢轨异种钢接头的焊接温度场进行了有限元分析,并且进行了试验测定。

The effect of heat transfer characteristics on the weldability...

这种传热特性对贝氏体钢轨的焊接性有明显的影响;根据计算及试验结果,贝氏体钢轨的焊接应当采用比珠光体钢轨更小的焊接热输入参数。

As final heat-treatment, normalizing can fine the grains, uniform the organization, reduce the ferrite in hypoeutectoid steel, increase pearlite and also fine the grains, so the strength, hardness and also toughness to be increased.

作为最终热处理,正火可以细化晶粒,使组织均匀化,减少亚共析钢中铁素体含量,使珠光体含量增多并细化,从而提高钢的强度、硬度和韧性。

Properties of pearlitic steel and austenitic stainless steel compound pipes TIG welded joint are studied in this paper.

研究了珠光体钢和奥氏体不锈钢复合管钨极氩弧焊接头的性能。

If the deformation of pearlitic cementite is assumed to be purely elastic, the pearlitic colony will become rapidly shaked down plastically.

若假设渗碳体的变形为纯弹性,珠光体团将迅速实现塑性安定。

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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。