Effects of ultrasonic vibration on microstructure and mechanical properties of 1Cr12Ni3MoVN alloy fabricated by directed energy deposition

Z Wang, F Jiang, C Guo, X **ng, Z Yang, H Li, C Liu… - Ultrasonics, 2023 - Elsevier
Due to the rapid melting and solidification during directed energy deposition (DED) process,
the defects and columnar crystals are likely to generate in the deposition layers, which …

Grain refinement by dynamic recrystallization during laser direct energy deposition of 316L stainless steel under thermal cycles

X Zou, Z Yan, K Zou, W Liu, L Song, S Li… - Journal of Manufacturing …, 2022 - Elsevier
During direct energy deposition (DED) process, the deposited material undergoes complex
thermo-mechanical processing from subsequent thermal cycles. Dynamic recrystallization …

Building rate effect on microstructure and high temperature mechanical properties of Austenitic 316L stainless steel manufactured by laser directed energy deposition

Y Li, P Podaný, P Salvetr, M Brázda, J Džugan - Optics & Laser Technology, 2024 - Elsevier
Improving the build rate of additive manufacturing (AM) processes has been of great
industrial interest to enhance productivity, reduce costs and increase efficiency. Increasing …

[HTML][HTML] In situ tempering of martensite during laser powder bed fusion of Fe-0.45 C steel

W Hearn, K Lindgren, J Persson, E Hryha - Materialia, 2022 - Elsevier
During laser powder bed fusion (L-PBF), materials experience cyclic re-heating as new
layers are deposited, inducing an in situ tempering effect. In this study, the effect of this …

Unearthing principal strengthening factors tuning the additive manufactured 15-5 PH stainless steel

H Chae, MY Luo, EW Huang, E Shin, C Do… - Materials …, 2022 - Elsevier
Additive manufactured (AM) materials exhibit enhanced performance, while post-processing
is essential to reinforce its properties. Controlling the tunable factors and the underlying …

In situ heating neutron and X‐ray diffraction analyses for revealing structural evolution during postprinting treatments of additive‐manufactured 316L stainless steel

M Kawasaki, JK Han, X Liu, Y Onuki… - Advanced …, 2022 - Wiley Online Library
Herein, lab‐scale X‐ray diffraction and in situ heating neutron diffraction analyses for
evaluating the structural changes at postprinting nanostructuring and structural relaxation …