Effect of process parameters on formability of laser melting deposited 12CrNi2 alloy steel

Qian Peng; Shiyun Dong; Xueliang Kang; Shixing Yan; Ping Men

doi:10.1117/12.2317665

5 March 2018 Effect of process parameters on formability of laser melting deposited 12CrNi2 alloy steel

Qian Peng, Shiyun Dong, Xueliang Kang, Shixing Yan, Ping Men

Proceedings Volume 10710, Young Scientists Forum 2017; 1071045 (2018) https://doi.org/10.1117/12.2317665
Event: Young Scientists Forum 2017, 2017, Shanghai, China

Abstract

As a new rapid prototyping technology, the laser melting deposition technology not only has the advantages of fast forming, high efficiency, but also free control in the design and production chain. Therefore, it has drawn extensive attention from community.With the continuous improvement of steel performance requirements, high performance low-carbon alloy steel is gradually integrated into high-tech fields such as aerospace, high-speed train and armored equipment.However, it is necessary to further explore and optimize the difficult process of laser melting deposited alloy steel parts to achieve the performance and shape control.This article took the orthogonal experiment on alloy steel powder by laser melting deposition ,and revealed the influence rule of the laser power, scanning speed, powder gas flow on the quality of the sample than the dilution rate, surface morphology and microstructure analysis were carried out.Finally, under the optimum technological parameters, the Excellent surface quality of the alloy steel forming part with high density, no pore and cracks was obtained.

Citation Download Citation

Qian Peng, Shiyun Dong, Xueliang Kang, Shixing Yan, and Ping Men "Effect of process parameters on formability of laser melting deposited 12CrNi2 alloy steel", Proc. SPIE 10710, Young Scientists Forum 2017, 1071045 (5 March 2018); https://doi.org/10.1117/12.2317665

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