On conventional versus direct ageing of Alloy 718

F Theska, A Stanojevic, B Oberwinkler, SP Ringer… - Acta Materialia, 2018 - Elsevier
Alloy 718 is a Ni-based superalloy commonly used for parts of aircraft engines and power
plants where very high demands on high-temperature yield strength, creep and corrosion …

[HTML][HTML] Effects of processing heterogeneities on the micro-to nanostructure strengthening mechanisms of an alloy 718 turbine disk

VV Rielli, F Godor, C Gruber, A Stanojevic… - Materials & Design, 2021 - Elsevier
Advancements in thermo-mechanical processing of Ni-based superalloys enable
manufacturing of engineering parts with superior mechanical properties. Forged aeroengine …

Prediction of fracture and deep drawing behavior of solution treated Inconel-718 sheets: numerical modeling and experimental validation

KS Prasad, SK Panda, SK Kar, SVSN Murty… - Materials Science and …, 2018 - Elsevier
In the present work, fracture forming limit diagram (FFLD) of two different solution treated ie
970° C (HT970) and 1070° C (HT1070) Inconel-718 sheets were evaluated by carrying out …

Effect of solution treatment on deep drawability of IN718 sheets: experimental analysis and metallurgical characterization

KS Prasad, SK Panda, SK Kar, SVSN Murty… - Materials Science and …, 2018 - Elsevier
A promising approach to decrease deformation load and improve ductility during forming of
Inconel-718 (IN718) is through the use of solution treated blanks. In the present work, IN718 …

[HTML][HTML] Melting modes of laser powder bed fusion (L-PBF) processed IN718 alloy: Prediction and experimental analysis

S Pramod, D Kesavan - Advances in Industrial and Manufacturing …, 2023 - Elsevier
The present study explores a combination of numerical and simulation approaches to
generate a process map for identifying the regimes of conduction and keyhole modes of …

Weldability of new Ni-based superalloy G27: Effect of pre-weld solution annealing on the hot cracking susceptibility

A Ariaseta, J Andersson, O Ojo - Science and Technology of …, 2024 - journals.sagepub.com
The hot cracking susceptibility of a new superalloy G27 was investigated by Varestraint
weldability testing. The influence of pre-weld solution annealing conditions recommended …

[HTML][HTML] Influence of laser-directed energy deposition process parameters and thermal post-treatments on Nb-rich secondary phases in single-track Alloy 718 …

S Sreekanth, K Hurtig, S Joshi… - Journal of Laser …, 2021 - pubs.aip.org
In this article, process parameters such as laser power, deposition speed, and powder feed
rate are varied at three levels, and their effect on geometrical characteristics and …

Precipitates in coarse-grained heat-affected zone of Ni-based 718 superalloy produced by tungsten inert gas welding

X Ye, X Hua, Y Wu, S Lou - Journal of Materials Processing Technology, 2015 - Elsevier
Wrought, as-cast, and homogenized sheets were welded using the tungsten inert gas (TIG)
process. The precipitates in both the base metal and the coarse-grained heat-affected zone …

Effects of Different Si Content and Thermal Stories on the Secondary Phase Formation, Hot Ductility, and Stress Rupture Properties of Alloy 718 Investment Castings

A Niklas, F Santos, R Gonzalez-Martinez… - … Materials Transactions A, 2023 - Springer
Herein, the effects of microstructure on high-temperature properties (hot ductility and stress
rupture life) were investigated in alloy 718 investment castings manufactured with different …

Comparative study of solution heat treatment of IN738LC superalloy in conventional conditions and salt bath

Y Shajari, SH Razavi, ZS Seyedraoufi - Journal of Materials Engineering …, 2022 - Springer
In this study, to investigate the impact of heating rate, the IN738LC superalloy was
solutionized both in standard and salt bath conditions. For this purpose, the samples were …