查询词典 pearlitic

Pearlitic heat-resistant steel alloy elements are commonly used in chrome.

珠光体耐热钢中常用的合金元素有铬。

The effects of magnetic field on heat conduction of ferritic and pearlitic steels in the magnetic field heat treatment were studied.

观察、分析了在磁场热处理条件下磁场对传热的作用。

The dislocation configuration and other related details of pearlitic heat-resistant steel 12Cr1MoV were observed and analyzed by using transmission electron microscope.

用透射电子显微镜对12Cr1MoV珠光体耐热钢的位错组态和其他细节进行了观察和分析。

However, the conventional pearlitic and bainitic non-quenched-tempered steels are difficult to meet the needs for both high strength and good toughness.

但目前工业上常用的珠光体型和贝氏体型非调质钢，难以满足高强度和高韧性的工作环境。

The microstructure changes of pearlitic eutectoid steel induced by cold rolling were investigated by using SEM, TEM and XRD etc.

用SEM、TEM及XRD等方法研究了共析钢中珠光体经40%—90%的冷轧变形后所产生的显微组织变化。

Cr1MoV and Cr5Mo are three common types of pearlitic heat resistant steel and widely used for high temperature tubes in petro-chemical industry, so it is necessary to develop a set of computer aided decision-making system for safety evaluation of tubes.

20钢、12Cr1MoV和Cr5Mo是 3种常用作石化企业高温炉管材料的珠光体耐热钢，开发和应用计算机决策支持系统对高温管线进行安全评估是非常必要的。

When the retained austenitic content is lower than 10%,the wear resistance will be reduced greatly due to in situ transformation of_(23)C_6 to M_3C and pearlitic structure forming.

当残留奥氏体含量低于10%时，由于23C6发生向M3C型碳化物的原位转变，相应的组织转变为珠光体，导致耐磨性急剧下降。

Thin laminar pearlitic colony is the element of a kind of two phase materials,which is composed of the thin lamellas of ferrite and cementite one over the other.

细片层珠光体团是由铁素体片和渗碳体片交替叠合而成的复相材料。

The test result shows that the mechanical properties of the dual-phase structure are much higher than those of ferritic plus pearlitic structures, that the dual-phase structure is of better corrosion resistance in some cases for Ca_2 has corrosion-moderating effects, and that hot-rolling dual-phase structure of the low-carbon Mn-Si steel wit...

试验结果表明：双相组织的力学性能远高于通常的铁索体+珠光体组织；在一定条件下，双相组织具有更好的耐蚀性，Ca_2有明显的缓蚀作用；采用台阶淬火工艺，不含Cr、Mo的低碳锰硅钢也易于获得热轧双相组织。

As the steel carbon and alloy elements working together to make it extremely easy to lead in the welding hardened organization, welding poor performance should be this, pearlitic heat-resistant steel in general preheating before welding, after welding tempered.

由于钢中碳和合金元素的共同作用，使其在焊接时极易形成淬硬组织，焊接性能较差，应此，珠光体耐热钢一般焊前进行预热，焊后进行回火处理。

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。