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- W4386393777 abstract "To extend the service life of mold steel and reduce the residual stresses generated during laser cladding to reduce defects such as surface cracks, this paper conducts a simulation study in terms of optimizing the laser cladding process parameters and pre-setting the surface texture. Firstly, using residual stress as an indicator, a three-factor, three-level orthogonal experiment was conducted using ANSYS on three factors: laser power, scanning speed, and spot radius, and then the experimental results were subjected to signal-to-noise ratio and extreme difference analysis to obtain the optimum process parameters: laser power of 800 W, spot radius of 1 mm and scanning speed of 20 mm/s. Subsequently, the mould steel was pre-textured under the optimum process parameters and the temperature and stress fields of the clad layers were compared with those without pre-texturing. The results show that the average residual stress in the pre-textured clad layer is 149 MPa, which is 58.56% lower than the average residual stress in the unpre-textured clad layer, which is consistent with the experimental results and verifies the feasibility of pre-texturing in the elimination of residual stress." @default.
- W4386393777 created "2023-09-03" @default.
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- W4386393777 date "2023-05-01" @default.
- W4386393777 modified "2023-09-27" @default.
- W4386393777 title "Research on the Thermal Behavior of Surface Texture on Laser Cladding Layer of Mold Steel" @default.
- W4386393777 doi "https://doi.org/10.1166/jno.2023.3429" @default.
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