Evaluation of fatigue and creep-fatigue damage levels on the basis of engineering damage mechanics approach

L Sun, XC Zhang, RZ Wang, XW Wang, ST Tu… - International Journal of …, 2023‏ - Elsevier
Progressive degradation of material mechanical properties in the low cycle fatigue (LCF)
and creep-fatigue (CF) interaction at high temperature affects the safe operation of in-service …

Nanoscale L12 phase precipitation induced superb ambient and high temperature mechanical properties in Ni–Co–Cr–Al system high-entropy superalloys

L Gao, Y Wu, N An, J Chen, X Liu, R Bai… - Materials Science and …, 2024‏ - Elsevier
Designing high-entropy alloys with sufficient high temperature bearing capacity is highly
expected for practical structural applications. In this work, we developed a new class of Ni …

Temperature-dependent yield strength and deformation mechanism of a casting Ni-based superalloy containing low volume-fraction γ′ phase

K Hou, M Wang, P Zhao, M Ou, H Li, Y Ma… - Journal of Alloys and …, 2022‏ - Elsevier
This study investigates the temperature-dependent yield strength and deformation
mechanism of a new casting Ni-based superalloy K4750. This alloy exhibits yield strength …

Investigation on Mechanism of Microstructure Evolution during Multi-Process Hot Forming of GH4169 Superalloy Forging

MS Chen, HW Cai, YC Lin, GQ Wang, HB Li, A Liu… - Materials, 2024‏ - mdpi.com
Typically, in the manufacturing of GH4169 superalloy forgings, the multi-process hot forming
that consists of pre-deformation, heat treatment and final deformation is required. This study …

Microstructure characterization and damage coupled constitutive modeling of nickel-based single-crystal alloy with different orientations

Q Yin, Z Wen, J Wang, Y Lian, G Lu, C Zhang… - Materials Science and …, 2022‏ - Elsevier
The mechanical properties of nickel-based single-crystal superalloys are sensitive to
temperature and orientation. The present work focuses on the stress and strain responses of …

[HTML][HTML] Temperature dependence of deformation mechanisms of a new Ni-based superalloy and high-temperature property optimization

P Zhao, H Zhu, K Hou, M Wang, X Hao, W **ng… - Journal of Materials …, 2023‏ - Elsevier
The influence of temperature on the deformation mechanisms of a new Ni-based superalloy
named K4800 containing 35 vol% γ′ were investigated. We studied the temperature …

Effect of interlayer on microstructure and mechanical properties of diffusional-bonded Ni3Al-based superalloy/S31042 steel joint

Y Peng, C Li, H Li, Y Liu - Journal of Manufacturing Processes, 2021‏ - Elsevier
Abstract The combination of Ni 3 Al-based superalloy and S31042 steel could meet service
requirement of different parts in nuclear power units. To broaden the application of Ni 3 Al …

Effects of thermally assisted warm laser shock processing on the microstructure and fatigue property of IN718 superalloy

Y Liu, L Wang, K Yang, X Song - Acta Metallurgica Sinica (English Letters), 2021‏ - Springer
The effects of laser shock processing (LSP) and warm laser shock processing (WLSP) on
the microstructure of surface hardening layer and high-cycle fatigue performance at room …

Microstructural Evolution and Formation of Fine Grains During Fatigue Initiation Process of Laser Powder Bed Fusion Gh4169 Alloy

T Shi, J Li, G Gao, J Sun, Z Yang, J Yan… - Available at SSRN …‏ - papers.ssrn.com
The Ni-based GH4169 superalloy produced through Laser Powder Bed Fusion (LPBF)
exhibits process-induced imperfections (mainly pores), as well as γ′, γ′′ and δ …

The Effect of Heat Treatment on Nickel-based Oxide Dispersion Strengthened (ODS) Alloy

X Liu - 2022‏ - search.proquest.com
Nickel-based oxide dispersion strengthening (ODS) alloys are promising materials mainly
used for aerospace industries, due to their advantages such as excellent strength and …