A microstructure-based creep model for additively manufactured nickel-based superalloys

S Wu, HY Song, HZ Peng, PD Hodgson, H Wang… - Acta Materialia, 2022 - Elsevier
Creep fracture is a general failure mode for nickel-based superalloy components made by
additive manufacturing (AM). However, the existing creep models originally built for …

Electrolytic-dielectrics: a route to zero recast electrical discharge machining

S Ahmed, A Speidel, JW Murray, N Ahmed… - International Journal of …, 2022 - Elsevier
Electrical discharge machining (EDM) is a widely used manufacturing process for machining
hard or high melting point metals. A characteristic feature of this process is a brittle, porous …

Improving creep property of additively manufactured Inconel 718 through specifically-designed post heat treatments

S Wu, HZ Peng, X Gao, PD Hodgson, HY Song… - Materials Science and …, 2022 - Elsevier
The application of Inconel 718 (IN718) alloy parts at elevated-temperature under loading
leads to creep failure. To date, the creep performance of additively manufactured IN718 is …

Creep behaviour of inconel 718 processed by laser powder bed fusion

Z Xu, CJ Hyde, C Tuck, AT Clare - Journal of Materials Processing …, 2018 - Elsevier
Additive manufacturing lends itself well to the manufacture of aerospace parts due to the
high complexity and small volume of many components found in modern aero engines. By …

High-speed projectile perforation of nickel-based Inconel 718 superalloy plates: Experiments and modeling

YD Chen, JY Hua, D Fan, Q Liu, YG Lu, T Liu… - Thin-Walled Structures, 2023 - Elsevier
Understanding ballistic behavior of structural materials is important for their applications in
aeronautical and astronautical industries. We investigate perforation of 2-mm thick Inconel …

Effect of powder reuse on tensile, compressive, and creep strength of Inconel 718 fabricated via laser powder bed fusion

S Bhowmik, BA McWilliams, M Knezevic - Materials Characterization, 2022 - Elsevier
This work is concerned with determining the effect of powder reusing during fabrication of
Inconel 718 via laser powder bed fusion (LPBF) on tensile, compressive, and creep strength …

[HTML][HTML] The effect of carbides on the creep performance of Hastelloy X fabricated by laser powder bed fusion

S Wu, SB Dai, M Heilmaier, HZ Peng, GH Zhang… - Materials Science and …, 2023 - Elsevier
The creep property is the decisive criterion for the high-temperature application of Hastelloy
X (HX alloy) and the carbides have been reported to play an important role in the creep …

Unidirectional columnar microstructure and its effect on the enhanced creep resistance of selective electron beam melted Inconel 718

SY Im, SY Jun, JW Lee, JH Lee, BS Lee, HJ Lee… - Journal of Alloys and …, 2020 - Elsevier
In this study, the selective electron beam melting (SEBM) process was used to fabricate
Inconel 718 superalloy, and their microstructures and creep resistances were investigated …

Role of the γ′′ precipitation at the cell boundaries in enhancing the creep resistance of additively manufactured Inconel 718 alloy using the laser powder bed fusion …

F Liu, J Radhakrishnan, AHV Pavan… - Materials Science and …, 2024 - Elsevier
Laser powder bed fusion (LPBF) manufactured Inconel 718 superalloy (IN718) parts exhibit
inferior creep properties compared to their conventionally manufactured (CM) counterparts …

Creep failure and damage mechanism of inconel 718 alloy at 800–900 C

K Chen, J Dong, Z Yao - Metals and Materials International, 2021 - Springer
Abstract The creep behavior and damage mechanisms of 718 alloys were investigated at
800–900° C in air. The fracture morphology and microstructure evolution were observed by …