Additive manufacturing of corrosion-resistant maraging steel M789 by directed energy deposition

YZ Lek, C Wang, X Shen, Z Chen, U Ramamurty… - Materials Science and …, 2022‏ - Elsevier
Conventional maraging steels feature a combination of high strength and toughness, but
they often suffer from low corrosion resistance. Hence, maraging steel M789 was developed …

Enhancing fatigue life of as-printed martensitic M789 steel produced by laser powder bed fusion via in-process surface integrity improvement and phase change …

D Ordnung, T Mertens, J Tacq, MH Nasab, M Sinico… - Additive …, 2024‏ - Elsevier
The fatigue strength of metal components produced by Laser Powder Bed Fusion (LPBF) is
often impaired by their limited surface quality, and surface finishing post-processing steps …

Influence of in-situ process parameters, post heat treatment effects on microstructure and defects of additively manufactured maraging steel by laser powder bed …

V Raghuraman - Physica Scripta, 2024‏ - iopscience.iop.org
The laser powder bed fusion LPBF method in additive manufacturing for metals have proven
to produce a final product with higher relative density, when compare to other metal additive …

Precipitation behaviour at the interface of an additively manufactured M789–N709 hybrid alloy

K Nyamuchiwa, Y Tian, K Chadha, L Jiang… - Acta Metallurgica Sinica …, 2023‏ - Springer
A novel hybrid alloy, designed for plastic injection dies, was fabricated by depositing M789
steel on wrought N709 steel through laser powder bed fusion (LPBF). The M789–N709 …

Laser powder bed fusion of M789 maraging steel on Cr–Mo N709 steel: Microstructure, texture, and mechanical properties

Y Tian, K Nyamuchiwa, K Chadha, Y He… - Materials Science and …, 2022‏ - Elsevier
In this work, M789 steel was deposited (printed) onto wrought N709 steel by a laser powder
bed fusion (LPBF) process to fabricate a hybrid M789-N709 alloy. The microstructure of the …

High-strain-rate response of alloys fabricated by conventional and additive manufacturing techniques

R Gualberto, M Manjaiah, H Bongao, P de Yro… - Progress in Additive …, 2025‏ - Springer
Additive manufacturing (AM) has revolutionized manufacturing by offering geometric
flexibility in the creation of complex structures. Industries across various sectors have …

Microstructural and mechanical properties of novel Co-free maraging steel M789 prepared by additive manufacturing

Z Brytan, M Król, M Benedyk, W Pakieła, T Tański… - Materials, 2022‏ - mdpi.com
This research aims to characterize and examine the microstructure and mechanical
properties of the newly developed M789 steel, applied in additive manufacturing. The data …

Austenite transformation during deformation of additively manufactured H13 tool steel

K Chadha, Y Tian, K Nyamuchiwa, J Spray… - Materials Today …, 2022‏ - Elsevier
This investigates the austenite transformation in additively manufactured, H13 tool steel,
which exhibits a combination of high hardness, toughness, and resistance to high operating …

Effect of Heat Treatment on Corrosion and Mechanical Properties of M789 Alloy Fabricated Using DED

SC Han, UM Chaudry, SB Cenalmor, SM Yeon, J Yoon… - Metals, 2023‏ - mdpi.com
The directed energy deposition (DED) process offers potential advantages, such as a large
building space, limited dilutions, narrow heat-affected zones (HAZ) and potentially improved …

Tailoring the microstructure and mechanical properties of FeCrNiCoMo maraging stainless steel after laser melting deposition

D Liu, J Su, A Wang, Z Yang, J Yang, Z Wang… - Materials Science and …, 2022‏ - Elsevier
In this study, FeCrNiCoMo maraging stainless steel was fabricated by laser melting
deposition. The initial nonequilibrium microstructure exhibited cellular segregation of Cr and …