Study on the Laser Alloy Cladding for Re-Manufacturing of the Surface of 40Cr

Yan Li Zhang

doi:10.4028/www.scientific.net/AMM.713-715.2900

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 713-715Study on the Laser Alloy Cladding for...

Study on the Laser Alloy Cladding for Re-Manufacturing of the Surface of 40Cr

Abstract:

The laser alloy cladding technology is used to treat the surface of 40Cr, and the two alloy powders are used separately. The process parameters are different, such as laser power, feed rate and scanning speed etc. The microstructure and hardness of cladding layers are analyzed by using scanning electron microscope and hardness tester. Generally, the surface quality is improved apparently. Under the similar laser power and powder quantity, the thickness of Ni60 cladding layer is much larger than Fe60. The hardness of Ni60 layer and Fe60 layer are all higher than substrate. There are more cracks in Ni60 layer than in Fe60 layer. The parameters of sample No.1 is optimal.

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Periodical:

Applied Mechanics and Materials (Volumes 713-715)

Pages:

2900-2904

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.713-715.2900

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Online since:

January 2015

Authors:

Yan Li Zhang*

Keywords:

40Cr, Laser Cladding, Re-Manufacturing

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* - Corresponding Author

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