Laser powder bed fusion of Hastelloy X: Effects of hot isostatic pressing and the hot cracking mechanism

Q Han, R Mertens, ML Montero-Sistiaga, S Yang… - Materials Science and …, 2018 - Elsevier
Hastelloy X is the trademark for a nickel-based, high-temperature superalloy that is
increasingly applied in gas turbine engines because of its exceptional combination of …

Direct measurements of slip irreversibility in a nickel-based superalloy using high resolution digital image correlation

JC Stinville, PG Callahan, MA Charpagne, MP Echlin… - Acta Materialia, 2020 - Elsevier
Fatigue crack nucleation in crystalline materials typically develops due to highly localized
cyclic slip. During a fatigue cycle, reverse slip differs locally from slip in the forward direction …

Nanostructures under extremes

RA Andrievski - Physics-Uspekhi, 2014 - iopscience.iop.org
This paper reviews current research into the behavior of nanostructures under extreme
conditions such as high temperatures, irradiation, and deformation. It describes methods for …

Fatigue cracking at twin boundaries: Effects of crystallographic orientation and stacking fault energy

ZJ Zhang, P Zhang, LL Li, ZF Zhang - Acta Materialia, 2012 - Elsevier
The combined effects of crystallographic orientation and stacking fault energy (SFE) on the
cracking behaviors of twin boundaries (TB) under low-cycle fatigue (LCF) tests were studied …

Cyclic plasticity induced transformation of austenitic stainless steels

A Das - Materials Characterization, 2019 - Elsevier
A complete understanding of 'cyclic plasticity induced transformation'of austenitic stainless
steels is documented in this article through different experiments, their critical analysis and …

Quantitative analysis of the deformation modes and cracking modes during low-cycle fatigue of a rolled AZ31B magnesium alloy: The influence of texture

R Shi, J Zheng, T Li, H Shou, D Yin, J Rao - Materials Science and …, 2022 - Elsevier
The anisotropy of mechanical behavior, as extensively reported in wrought Mg alloys, is
ultimately associated with the variation of deformation modes. The influences of texture on …

A pathway to improve low-cycle fatigue life of face-centered cubic metals via grain boundary engineering

XJ Guan, ZP Jia, SM Liang, F Shi, XW Li - Journal of Materials Science & …, 2022 - Elsevier
To probe a pathway to improve the low-cycle fatigue life of face-centered cubic (FCC) metals
via grain boundary engineering (GBE), the tension-tension fatigue tests were carried out on …

Effect of grain size on fatigue cracking at twin boundaries in a CoCrFeMnNi high-entropy alloy

AG Wang, XH An, J Gu, XG Wang, LL Li, WL Li… - Journal of Materials …, 2020 - Elsevier
The fatigue cracking behavior at twin boundaries (TBs) in a CoCrFeMnNi high-entropy alloy
with three different grain sizes was systematically investigated under low-cycle fatigue …

Impact of dynamic strain aging on multiaxial low cycle fatigue behavior of nickel-based alloy 690 at 350° C

S Shi, H Li, J Cui, X Chen - International Journal of Fatigue, 2023 - Elsevier
The multiaxial low cycle fatigue behavior of nickel-based alloy 690 at 350° C was
investigated. The multi-slip planar dislocation configuration under non-proportional loading …

Pronounced transition of crack initiation and propagation modes in the hydrogen-related failure of a Ni-based superalloy 718 under internal and external hydrogen …

Y Ogawa, O Takakuwa, S Okazaki, K Okita… - Corrosion …, 2019 - Elsevier
The role of hydrogen in tensile ductility loss and on the fracture behaviours of Ni-based
superalloy 718 was investigated via tensile tests under hydrogen-charged conditions …