Strengthening additively manufactured Inconel 718 through in-situ formation of nanocarbides and silicides

E Tekoğlu, AD O'Brien, J Liu, B Wang, S Kavak… - Additive …, 2023 - Elsevier
We report additive manufacturing (AM) of a nickel superalloy metallic matrix composite (Ni-
MMC) using laser powder bed fusion (LPBF). Nanoceramic-containing composite powders …

Numerical and experimental investigation on creep response of 3D printed Polylactic acid (PLA) samples. Part I: The effect of building direction and unidirectional …

MR Adibeig, F Vakili-Tahami… - Journal of the Mechanical …, 2023 - Elsevier
The main aim of this research work is to investigate the effects of building directions and
raster orientations on the creep behavior of 3D-printed plastic material and to develop …

[HTML][HTML] Mechanisms of heat-treatment-induced cracking in additively manufactured IN738 alloy

K Miao, Z Ding, R Li, X Ji, X Duan, R Yao, P Chen… - Materials, 2023 - mdpi.com
The present study conducts a comprehensive study on heat-treatment-induced cracking of
Inconel 738 (IN738) alloy fabricated by laser powder bed fusion (LPBF) using scanning …

Microstructures and cyclic hot corrosion behavior of laser deposited Inconel 718 alloy under different heat treatment conditions

J Zhang, Q Zhang, Y Zhuang, V Kovalenko… - Optics & Laser …, 2021 - Elsevier
In this research, the hot corrosion behavior of laser deposited Inconel 718 alloy under
different heat treatment conditions (solution plus aging, direct aging and as-deposited) is …

Optimum creep lifetime of Polymethyl Methacrylate (PMMA) tube using rheological creep constitutive models based on experimental data

MR Adibeig, S Hassanifard, F Vakili-Tahami - Polymer Testing, 2019 - Elsevier
In this paper, the creep behavior of Polymethyl Methacrylate (PMMA) is investigated both
experimentally and numerically at different temperatures (30, 40 and 50° C) and stress …

Hot corrosion and mechanical performance of repaired Inconel 718 components via laser additive manufacturing

Q Zhang, J Zhang, Y Zhuang, J Lu, J Yao - Materials, 2020 - mdpi.com
Hot corrosion is one of the crucial failure modes of Ni-based superalloy components
operating at high temperatures, which inevitably affects the subsequent mechanical …

Using developed creep constitutive model for optimum design of HDPE pipes

F Vakili-Tahami, MR Adibeig - Polymer Testing, 2017 - Elsevier
Unlike metal pipes, high density polyethylene (HDPE) pipes are not susceptible to erosion
and corrosion. However, the most important mechanical feature of the HDPE pipes is that …

Optimizing creep lifetime of friction stir welded PMMA pipes subjected to combined loadings using rheological model

F Vakili-Tahami, MR Adibeig, S Hassanifard - Polymer Testing, 2019 - Elsevier
The most important feature of the polymeric pipes is that they creep even at room
temperature. Therefore, investigating the creep behavior of the polymers and their welded …

Polyethylene FSSW/Adhesive hybrid single strap joints: Parametric optimization and FE simulation

MR Adibeig, F Vakili-Tahami, MA Saeimi-Sadigh… - International Journal of …, 2021 - Elsevier
In this paper, the mechanical behavior of single strap joints was investigated under tensile
loading. Four sets of specimens were fabricated eg, adhesively bonded, friction stir spot …

Obtaining optimum creep lifetime of Al 7075-T6 rotating pressurized vessel based on the experimental data, using reference stress method (RSM)

F Seraj, L Fadaie-Vash, F Vakili-Tahami… - International Journal of …, 2021 - Elsevier
Most of the mechanical components are exposed to environmental attacks and different
loading conditions, eg, internal pressure, high-temperature gradient, and angular velocity …