Effect of Si Content on Microstructure and Properties of 60Si2CrVA Spring Steel

Fei Zhao; Zhan Ling Zhang; Jun Shuai Li; Cui Ye; Ni Li

doi:10.4028/www.scientific.net/AMR.968.63

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 968Effect of Si Content on Microstructure and...

Effect of Si Content on Microstructure and Properties of 60Si2CrVA Spring Steel

Abstract:

The microstructure and mechanical properties of the four spring steels with different Si content treated by Q-I-Q-T process were studied by metallographic microscope, MTS, impact testing machine and X-ray stress analyzer. The results show that the tensile strength and yield strength is first increased and then decreased with the increase of Si content, the volume fraction of retained austenite and elongation are fist decreased and then increased when the Si content is less than 2.1%, and the microstructure become finer and homogeneous. When Si content reaches 2.1%, the comprehensive properties of 60Si2CrVA spring steel is the best.

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Periodical:

Advanced Materials Research (Volume 968)

Pages:

63-66

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.968.63

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Online since:

June 2014

Authors:

Fei Zhao*, Zhan Ling Zhang, Jun Shuai Li, Cui Ye, Ni Li

Keywords:

Mechanical Property, Microstructure, Retained Austenite, Si, Spring Steel

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