spheroidal carbide

Discussion on Obtaining of Disperse Spheroidal Carbide in Carburizing and its Mechanism

渗碳中弥散碳化物的获得及机理探讨

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After being treated with this technique, the disperse spheroidal carbide can be obtained in the carburizing case which is superior to that by normal carburizing in properties.

经该工艺处理后渗层可获得弥散碳化物，其性能大大优于常规渗碳。

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It is available to strengthen the bit teeth by replacing the granular casting tungsten carbide with the spheroidal sintering tungsten carbide.

用球状烧结碳化钨代替粒状铸造碳化钨作钢齿钻头齿面堆焊材料是提高齿面强化效果的有效途径。

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Spheroidal mechanism of carbide: The study of this thesis shows that, the first, the non-dissolution carbide at high temperature is the main nuclei of forming spheroidal carbide;

碳化物球化机理：高温下材料中的未溶碳化物是随后粒状碳化物形成的现成核心；

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In use of spheroidizing agency treatment, some spheroidal graphites and carbide on the matrix of lamellar or sorbitic pearlite can be achieved in as-cast state.

其基本特点是通过对钢水的球化处理使材料在铸态下得到一定量的球状石墨和碳化物，基体组织为片状珠光体或索氏体。

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Strength for decohesion of spheroidal carbide particle-matrix interface

球状碳化物与基体界面的分离强度

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The structure of spheroidal carbide in wear resistant white iron was investigated by SEM observation and EPMA of ion etched metallographic specimen.

用离子蚀刻加扫描电镜观察和微区成分分析的方法研究了耐磨白口铁中球形碳化物的结构。

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By means of appropriate spheroidizing treatment on the liquid of steel, casting structure direct acquire certain quantitative spheroidal graphite 、 carbide and pearlite, reduces the content of harmful impurity effectively.

通过对钢液进行适当的球化处理，铸态组织直接获得一定数量的球状石墨、碳化物和珠光体，并有效地降低有害杂质的含量。

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Study of spheroidal carbide in wear resistant white iron using ion etching

耐磨白口铁中球形碳化物的离子蚀刻研究

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It was found that there was a large amount of spheroidal carbide in the microstructure after normalizing or forging, which is quite different from the traditional technique for carbide spheroidizing of high carbon steel.

并分析了球墨铸钢铸态、退火、正火、锻造后的组织特征，同时观察到球墨铸钢正火、锻造处理可获得大量的球状碳化物现象，与传统的高碳钢碳化物球状工艺有显著的差异。

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The results show that the spheroidal annealing structure in which the size and spacing of carbide particles are bigger can he gained through suitably rising the spheroidal annealing temperature.

结果表明：适当提高球化退火温度，可获得碳化物粒子尺寸及间距均较大的球化退火组织。

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