Numerical Analysis and Experimental Verification of Melt Pool Evolution During Laser Cladding of 40CrNi2Si2MoVA Steel

He, Fangjia; Zhou, Houming; Li, Kai; Zhu, Yuxu; Wang, Zeda

doi:10.1007/s11666-023-01544-y

Cited by 8 publications

(3 citation statements)

References 43 publications

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“…It is well-known that the solidification conditions of the molten pool during laser cladding play a crucial role in determining the microstructure of the resulting coating [21][22][23]. However, because the cooling rate of the molten pool is fast, it is difficult to acquire a thermal behavior parameter under the existing experimental condition.…”

Section: Introductionmentioning

confidence: 99%

Temperature Field Simulation and Experimental Confirmation of Laser Cladding High-Entropy Alloy Coating on Cr12MoV

Gao,

Jiang,

Tong

et al. 2024

Processes

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In order to meet the mechanical property of the die steel, this study used laser cladding to prepare a high-entropy alloy coating on Cr12MoV. A finite element method using a double ellipsoidal heat source model is proposed to simulate the evolution of the temperature field in laser cladding. The simulation results showed that with the increase in the power, the peak temperature of the molten pool increased from 2005.5 °C to 2357.4 °C, and the depth of the molten pool increased from 1.60 mm to 2.04 mm. The coating with the laser power of 1600 W had a good macroscopic quality and high lattice distortion (2.43 × 10−2). Due to the increase in laser energy density, the size of equiaxed crystals gradually increased from 1400 W to 1700 W. Under the comprehensive effect of the solution and fine grain strengthening, the coating with the power of 1600 W had a higher average microhardness (600 HV), which is 150% higher than that of the substrate. The experiment results further confirmed the accuracy of the simulation.

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Section: Introductionmentioning

confidence: 99%

Temperature Field Simulation and Experimental Confirmation of Laser Cladding High-Entropy Alloy Coating on Cr12MoV

Gao,

Jiang,

Tong

et al. 2024

Processes

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“…The morphology of the solidification microstructure was obtained by transient thermal distribution. He et al [32] conducted laser cladding on F102 nickel-based alloy powder on the surface of 40CrNi 2 Si 2 MoVA steel through a combination of simulations and experiments. Luo et al [33] developed a three-dimensional (3D) finite element model of the synchronous powder feeding system and studied the effect of laser power on the heat-affected zone and cooling rate of the cladding layer of the plastic die steel P20.…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation Analysis of Temperature Distribution of NbC-Reinforced Ti-Based Composite Coating by Laser Cladding

Tian

et al. 2023

Metals

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In this article, three-dimensional numerical modeling of the laser cladding process by Ansys was proposed. The three-dimensional Gaussian heat source model was used to simulate the actual laser heat source to analyze the temperature distribution of the molten pool. The temperature distribution of the molten pool of TiAlSi + NbC coatings within different process parameters was obtained by simulation. To obtain finer simulation results, the thermophysical properties of TiAlSi + NbC powder and TiAlSi + NbC alloy were investigated, respectively. The temperature selection judgment mechanism, which is used to distinguish the powder and alloy elements, was built. The results showed that the laser power and laser scanning speed play a vital role in the temperature distribution along with the track width and the depth of the molten pool. The simulation values of the width and depth of the cladding layer under different processing parameters were obtained by using the temperature selection judgment mechanism and fitting. The results showed that the track width and depth had a positive correlation with the laser power, whereas they had a negative correlation with the laser scanning speed.

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“…The analysis of transient heat dispersion facilitated the extraction of the solidified microstructure's morphology. He et al [23] combined simulation and experimental methods to investigate the laser cladding of F102 nickel-based alloy powder on the surface of 40CrNi 2 Si 2 MoVA steel. Hoffman et al [24] simulated the configuration and blending aspects of laser cladding, offering an in-process technique for managing dilution.…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation of Temperature Field during Electron Beam Cladding for NiCrBSi on the Surface of Inconel 718

Zhao,

Zhang,

et al. 2023

Crystals

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This study investigates the Inconel 718 alloy coated with NiCrBSi powder using the ABAQUS software. An accurate conical heat source model is constructed based on the three-dimensional Fourier heat conduction law. The heat source subroutine Dflux.for is successfully integrated to achieve a highly realistic simulation of the welding heat source. Using this model, the analysis focuses on the temperature distribution in electron beam melting. Furthermore, the accuracy and reliability of the simulation are validated through actual coating experiments. By examining the impact of various procedural factors on the temperature distribution, it is found that optimal coating results and a tightly formed elliptical molten zone are attained at an electron beam current of 18 mA, and the scanning speed is 300 mm/min. The peak temperature in the melt pool in the coating area is 5087 K, while the lowest temperature on the isothermal in the heat-affected zone is 1409 K. Over time, there is a swift rise in temperature for the data points taken along both the X and Z trajectories, followed by rapid cooling after rapid heating. Coating experiments conducted under the optimal parameters demonstrate a dense coating layer and good bonding with the substrate, thereby validating the accuracy of the simulation.

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Numerical Analysis and Experimental Verification of Melt Pool Evolution During Laser Cladding of 40CrNi2Si2MoVA Steel

Cited by 8 publications

References 43 publications

Temperature Field Simulation and Experimental Confirmation of Laser Cladding High-Entropy Alloy Coating on Cr12MoV

Temperature Field Simulation and Experimental Confirmation of Laser Cladding High-Entropy Alloy Coating on Cr12MoV

Numerical Simulation Analysis of Temperature Distribution of NbC-Reinforced Ti-Based Composite Coating by Laser Cladding

Numerical Simulation of Temperature Field during Electron Beam Cladding for NiCrBSi on the Surface of Inconel 718

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