介绍了抽油泵衬套渗碳后直接淬火处理工艺.
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The residual life of the tubes is estimated based on the carburizing damage analysis.
在考虑渗碳损伤的前提下对炉管的剩余寿命进行了评估.
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The carburizing in sealed quench furnace with rare earth were first investigated.
本文首次实现了在吸热式可控气氛多用炉中进行稀土渗碳.
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以丁烷加空气为流态化渗碳气源,系统试验研究了流态化渗碳温度、气氛碳势、刚玉粒径及表观流态化速度等对碳传递系数的影响。
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