Research on Interfacial Cracking of a Cr Coating/Steel Substrate with and without Laser Pre-Quenching Treatment under Thermal Fatigue Loading

Ban Quan Yang; Guang Nan Chen; Xue Jun Chen; Wei Hai Sun; Hong Qian Chen; Jing Wen Pan; Ying Chen

doi:10.4028/www.scientific.net/AMM.190-191.543

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 190-191Research on Interfacial Cracking of a Cr...

Research on Interfacial Cracking of a Cr Coating/Steel Substrate with and without Laser Pre-Quenching Treatment under Thermal Fatigue Loading

Abstract:

The interfacial cracking behaviors of a chromium (Cr) coating/laser pre-quenched steel substrate system and a Cr coating/original steel substrate system under thermal fatigue loading were investigated in this work. The experiment results show that the Cr coating on the pre-quenched substrate surface exhibited a higher resistance of interfacial cracking than that of the Cr coating on the original substrate surface under the same loading condition. This indicates the technology of laser pre-quenching of steel substrate surface prior to plating the Cr coating can improve the interfacial adhesion properties between the coating and substrate.

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Periodical:

Applied Mechanics and Materials (Volumes 190-191)

Pages:

543-546

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.190-191.543

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Online since:

July 2012

Authors:

Ban Quan Yang, Guang Nan Chen, Xue Jun Chen, Wei Hai Sun, Hong Qian Chen, Jing Wen Pan, Ying Chen

Keywords:

Cr Coating/Laser Pre-Quenched Steel Substrate System, Cr Coating/Original Steel Substrate System, Interfacial Cracking, Thermal Fatigue Loading

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