[HTML][HTML] Microstructure and mechanical properties of novel Ni–Cr–Co-based superalloy GTAW joints

J Song, Y Chen, X Hao, M Wang, Y Ma, J Xie - Journal of Materials …, 2024 - Elsevier
Abstract Recently, a novel Ni–Cr–Co-based superalloy has been developed in China,
exhibiting exceptional overall characteristics such as favorable mechanical properties at …

Recent research progress in the mechanism and suppression of fusion welding-induced liquation cracking of nickel based superalloys

Z Yi, J Shan, Y Zhao, Z Zhang, A Wu - International Journal of Minerals …, 2024 - Springer
Nickel-based superalloys are extensively used in the crucial hot-section components of
industrial gas turbines, aeronautics, and astronautics because of their excellent mechanical …

The influence of the process parameters on the densification and microstructure development of laser powder bed fused inconel 939

G Marchese, S Parizia, A Saboori, D Manfredi… - Metals, 2020 - mdpi.com
This work aims to investigate the effect of the process parameters on the densification and
microstructure of Inconel 939 (IN939) alloy processed by laser powder bed fusion (LPBF) …

Effect of bonding time on microstructure and mechanical properties of diffusion brazed IN-939

F Arhami, SE Mirsalehi, A Sadeghian - Journal of Materials Processing …, 2019 - Elsevier
The applicability of the diffusion brazing technique for joining IN-939 superalloy using a Ni-
Cr-B interlayer was assessed. The phases formed during the brazing process in the …

The joint properties of a high-chromium Ni-based superalloy made by diffusion brazing: Microstructural evolution, corrosion resistance and mechanical behavior

F Arhami, SE Mirsalehi, A Sadeghian… - Journal of Manufacturing …, 2019 - Elsevier
The phase transformation during diffusion brazing of high chromium Ni-based Inconel 939
superalloy, using a ternary Ni-14.9 Cr-3.7 B (wt.%) interlayer was studied. The …

Liquation cracking in the heat-affected zone of IN738 superalloy weld

KC Chen, TC Chen, RK Shiue, LW Tsay - Metals, 2018 - mdpi.com
The main scope of this study investigated the occurrence of liquation cracking in the heat-
affected zone (HAZ) of IN738 superalloy weld, IN738 is widely used in gas turbine blades in …

Design of crack-free laser additive manufactured Inconel 939 alloy driven by computational thermodynamics method

C Zeng, H Ding, U Bhandari, SM Guo - MRS communications, 2022 - Springer
This paper examined the effect of Si addition on the cracking resistance of Inconel 939 alloy
after laser additive manufacturing (AM) process. With the help of CALculation of PHAse …

The effect of heat treatment sequence on microstructure and mechanical properties of diffusion brazed IN-939 superalloy

F Arhami, SE Mirsalehi - Journal of Materials Processing Technology, 2019 - Elsevier
Conducting the diffusion brazing cycle at 1120° C for 45 min led to the completion of
isothermal solidification and formation of a single-phase Ni-rich γ-solid solution at the joint …

Phase formation during dissimilar transient liquid phase (TLP) bonding of IN939 to IN625 using a Ni-Cr-Fe-Si-B interlayer

A Sadeghian, F Arhami, SE Mirsalehi - Journal of Manufacturing Processes, 2019 - Elsevier
An effort was made to assess the applicability of using transient liquid phase bonding
technique to join a nickel-based precipitation-hardened superalloy (Inconel 939) to a solid …

Study on hot cracking in laser welded joints of inconel 718 alloy foils

J Lin, X Wang, Y Lei, R Wei, F Guo - Journal of Manufacturing Processes, 2021 - Elsevier
Pulsed laser welding was used to join ultra thin Inconel 718 alloy foils whose thickness was
0.2 mm. A fixture was designed to obtain the edge joint. The joint geometry and hot cracking …