In this article we discussed the possibility of replacement of cobalt alloy by Cr-Ni iron Base alloy in drill bit bearing on the basis of welding test, wearing test and microscopic examination.
本文通过焊接试验、显微分析和磨损试验论述了以铬、镍、铁基合金代替钴、铬、钨合金作石油钻头牙爪堆焊耐磨合金的问题。
On the basis of re-surveying the characteristics of iron-bearing furnace dust, suggestions on adoption of base excitating and salvation treating iron-bearing furnace dust were put forth.
在重新审视含铁炉尘特性的基础上提出对含铁炉尘采用碱激发暨溶剂化处理的建议。
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