Graphitization Kinetic of Hypoeutectoid Graphitized Free Cutting Steel

Yong Jun Zhang; Jing Tao Han; Hui Feng Wang

doi:10.4028/www.scientific.net/AMM.143-144.508

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 143-144Graphitization Kinetic of Hypoeutectoid...

Graphitization Kinetic of Hypoeutectoid Graphitized Free Cutting Steel

Abstract:

Development of low-sulfur and Pb-free hypoeutectoid graphitized free cutting steel is significant because the use of S or Pb free-cutting steel can result in serious pollution. Due to graphitization process in hypoeutectoid steel is very slowly, so it is crucial to accelerate the graphitization process. The tested steel is prepared based on that graphitization can be accelerated by increasing nuclei of graphite. On the base of indirect observation on graphite particles in the sample by OM and quantitative metallography for different graphitization times, the kinetic curve was drawn the graphitization process of tested sample, it matches the Avrami eqution well.

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Periodical:

Applied Mechanics and Materials (Volumes 143-144)

Pages:

508-511

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.143-144.508

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Online since:

December 2011

Authors:

Yong Jun Zhang, Jing Tao Han, Hui Feng Wang

Keywords:

Free Cutting Steel, Graphitization, Hypoeutectoid Microstructure, Kinetic

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