Multiple strengthening mechanisms induced by nanotwins and stacking faults in CoNiCr-superalloy MP159

YQ Cai, YB Tan, LX Wang, W Shi, XM Ji… - Materials Science and …, 2022 - Elsevier
The cold-drawing deformation behavior of CoNiCr-superalloy MP159 with designed strains
was investigated, and the substructural evolution was observed by electron backscatter …

Role of low-level void swelling on plasticity and failure in a 33 dpa neutron-irradiated 304 stainless steel

HT Vo, D Frazer, AA Kohnert, S Teysseyre… - International Journal of …, 2023 - Elsevier
Radiation damage introduces a wide range of defects in structural materials depending on
the irradiation conditions. Irradiation-induced loops are known to lead to dislocation …

Microplastic deformation activating residual stress relief for Al alloy

F Li, G Chen, T Dong, C Zhu, K Chen - International Journal of Mechanical …, 2023 - Elsevier
Thermal-vibratory technique has been demonstrated to effectively and rapidly reduce
residual stress and improve mechanical properties of materials. But the underlying residual …

Dependence of micromechanical behaviours on grain orientation and size in a nanoscale C11b precipitate-strengthened Ni-23Cr-16Mo pillar via micro-pillar …

L Yuan, F Gou, D Sun, Z Li, Y Xue, B Gan - Materials Science and …, 2023 - Elsevier
Long-range order (LRO) precipitate-strengthening is an important strategy that endows a
superior strength-ductility combination in Ni-based alloys. However, the micromechanical …

The formation and evolution of Ni2Cr precipitates in Ni–Cr model alloys as a function of stoichiometry characterized by synchrotron x-ray diffraction

N Aerne, DJ Sprouster, JD Tucker - Materials Science and Engineering: A, 2022 - Elsevier
Ni-based alloys containing significant amounts of Cr, may precipitate new phases during
long-term service at elevated temperatures. In Ni–Cr model alloys, the formation of Ni 2 Cr …

The effect of sample thickness on micro-mesoscale tensile properties of 304SS, HT-9, and CuCrZr

A Dong, H Vo, E Olivas, J Bickel, C Hardie… - Journal of Nuclear …, 2023 - Elsevier
Small scale mechanical testing has gained significant attention in recent times due to its
advantages for materials research and development; however, the ability to extend small …

Role of Fe in long-range ordered Ni2Cr precipitates in Ni-Cr-Fe model alloys during isothermal aging

NJ Aerne, DJ Sprouster, JD Tucker - Materials Science and Engineering: A, 2023 - Elsevier
The precipitation of new phases during long-term service at elevated temperatures is a
concern for the thermal stability of engineering alloys. In Ni-Cr-based alloys, eg, Alloy 690 …

Dose and dose rate effects on the microstructural and mechanical stability of long-range ordered precipitates in Inconel 718

HT Vo, S Pal, N Almirall, S Tumey, GR Odette… - Materials Science and …, 2023 - Elsevier
Nickel-based alloys offer exceptional mechanical properties and corrosion resistance for
various applications in extreme environments such as high neutron flux, temperature, and …

Influence of post-processing on the microstructure and mechanical properties of high-strength Ni–Co-base wrought superalloy

Y Zhang, J Li, Y Li, J Dong, C Guo, H Yu, Q Wang - Intermetallics, 2024 - Elsevier
In this study, the influence of post-processing on the microstructure and mechanical property
of the novel Ni–Co-base wrought high-strength superalloy with a composition of Ni-(24.0 …

[HTML][HTML] Enhanced high-temperature mechanical properties of the Cu–1.16 Ni–0.36 Cr alloy owing to interactions between metastable precipitates and dislocations

S Li, W Sun, K Song, Q Wang, Y Zhu - Journal of Materials Research and …, 2024 - Elsevier
Abstract Herein, an alloy Cu–1.16 Ni–0.36 Cr with outstanding high-temperature mechanical
properties was obtained, and the underlying mechanism was discussed. The properties …