Title: Effect of Intercritical Quenching Treatment on Microstructure and Mechanical Properties of 17Ni4.5CrMoV Cast Steel
Abstract: The effects of intercritical treatment parameters,such as quenching temperature and tempering temperature on microstructure and mechanical properties of 17Ni4.5CrMoV cast steel were investigated.The results show that,after intercritical quenching treatment,the microstructure of cast steel is fined,meanwhile a mixed microstructure containing tempering martensite and ferrite as well as a small amount of precipitated austenite are obtained,which results in greater improvementer on the matching of strength and toughness of the cast steel.Moreover,the optimal intercritical quenching process for 17Ni4.5CrMoV cast steel is obtained.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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