Study on the Durable Factors of the Grain Size in 18CrNiMo7-6 by Heating and Cooling Method

Jin Xin Liu; Zhi Jun He; Lian Hai Wang; Gui Ping Feng; Zheng Jun Zhang; Li Peng Qiu

doi:10.4028/www.scientific.net/AMR.194-196.228

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 194-196Study on the Durable Factors of the Grain Size in...

Study on the Durable Factors of the Grain Size in 18CrNiMo7-6 by Heating and Cooling Method

Abstract:

Study researches durable factors of the grain size in 18CrNiMo7-6 by heating and cooling method. Results show that alloying elements Nb and Al have a strong pining effect on the grain boundaries, Al/N ratio between 2.0-2.5 can promote the grain not to grow up for a long time, and refine grains significantly with furnace heating and after carburizing-quenching once, and can inhibit the abnormal growth of individual grains.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

228-231

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.228

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Online since:

February 2011

Authors:

Jin Xin Liu, Zhi Jun He, Lian Hai Wang, Gui Ping Feng, Zheng Jun Zhang, Li Peng Qiu

Keywords:

18CrNiMo7-6 Steel, Durability, Grain Size, Pinning Effect

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References

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