Laser Cladding of a Ramp Thin Wall with a Variable

Xu Yue Wang; H.R. Guo; Wen Ji Xu; Dong Ming Guo; L.J. Wang

doi:10.4028/www.scientific.net/AMR.216.419

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 216Laser Cladding of a Ramp Thin Wall with a Variable

Laser Cladding of a Ramp Thin Wall with a Variable

Abstract:

To reduce stair-step effect when layered forming samples using 2.5D slices, a geometric model with variable thickness slices was developed. Experiments were performed with varying of powder feed rate. Relationships between geometrical precision of samples formed by laser clad forming (LCF) and a variable of powder feed rate were investigated. While the variation of powder feed rate with a calculated step was approximately continuous, clad layers with height increasing approximately linearly along clad length were achieved. Clad height increased from 0.05 to 0.39 mm with powder feed rate varying from 0.5 to 2.5 g/min. Scanning paths were planned by simulating forming process of the ramp through Matlab program. Using the scanning path, a relatively smooth ramp thin wall of 316L stainless steel was formed with a slope angle 3.37° by the experimental validation.

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Periodical:

Advanced Materials Research (Volume 216)

Pages:

419-423

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.216.419

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Online since:

March 2011

Authors:

Xu Yue Wang, H.R. Guo, Wen Ji Xu, Dong Ming Guo, L.J. Wang

Keywords:

Geometrical Precision, Laser Cladding, Powder Feed Rate, Variable Thickness Slice

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