西南石油大学学报(自然科学版) ›› 1982, Vol. 4 ›› Issue (2): 63-72.DOI: 10.3863/j.issn.1000-2634.1982.02.06

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EXPERIMENTAL INVESTIGATION ON REPLACEMENT OF GLOBALT ALLOY BY IRON ALLOY IN DRILL BIT BEARING

Wang Zi-yu,Hua Yin-chu   

  • Received:1900-01-01 Revised:1900-01-01 Online:1982-04-20 Published:1982-04-20

Abstract:

In this article we discussed the possibility of replacement of cobalt alloy by Cr—Ni iron Base alloy in drill hit bearing on the basis of welding test,wearing test and microscopic examination.