• 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铬、镍、合金代替、铬、钨合金作石油钻头牙爪堆焊耐磨合金问题。

    youdao

  • 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铬、镍、合金代替、铬、钨合金作石油钻头牙爪堆焊耐磨合金问题。

    youdao

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