The Effect of Scanning Power on AISI 434L Stainless Steel-Based Composite Laser Cladding Coatings

Si Yu Wang; You Zheng Sun; Jin Bao Li; Kuai Kuai Guo; Ben Rong Hai; Chuan Ning Yang; C.S. LIU

doi:10.4028/www.scientific.net/AMR.1095.636

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1095The Effect of Scanning Power on AISI 434L...

The Effect of Scanning Power on AISI 434L Stainless Steel-Based Composite Laser Cladding Coatings

Abstract:

In this experiment, several coatings, which were used 434L ferrite stainless steel powders and B₄C powders as raw material, were prepared under different laser scanning power. The samples of the coatings were detected by XRD and EDS, and observed by OM and SEM. The results are shown as follow: when laser scanning power is 1800W, the cladding layer contains FeB and CrB₆, as scanning power increasing, these two phases disappear in cladding layer, and Fe₂B and CrB are detected in the layer. Fe₂B, CrFeB, (Cr Fe)₇C₃, Fe-Cr solid solution are found in all samples no matter which laser scanning power are changed to prepare cladding layers The morphology of phases rich boron and carbon transform from an irregular layer-like shape to a cycle-like or a bar-like one with the scanning power increasing.

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Periodical:

Advanced Materials Research (Volume 1095)

Pages:

636-640

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1095.636

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Online since:

March 2015

Authors:

Si Yu Wang*, You Zheng Sun, Jin Bao Li, Kuai Kuai Guo, Ben Rong Hai, Chuan Ning Yang, C.S. LIU

Keywords:

Laser Cladding, Scanning Power, Stainless Steel

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