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STUDY ON NEW HEAT TREATMENT TECHNOLOGY OF IMPROVEMENT FOR CRANK SHAFT FATIGUE STRENGTH
Author(s): 
Pages: 44-48
Year: Issue:  3
Journal: Ordnance Material Science and Engineering

Keyword:  crane shaft steelfatigue strengthheat treatment;
Abstract: A new heat treatment has been explored which makes the crank shaft fatigue strength of 18Cr2Ni4WA steel satisfy with the technical specification of σ-1-≥490.3MPa. The main reason for improving the fatigue strength was discussed by investigation and analysis of metallographical structure, grain sizes and impurities.
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