Results 71 to 80 of about 5,873 (297)

Hardening and Creep of Ion Irradiated CLAM Steel by Nanoindentation

Crystals, 2020
Ion irradiation, combined with nanoindentation, has long been recognized as an effective way to study effects of irradiation on the mechanical properties of metallic materials.
Ying Liu, Wenbin Liu, Long Yu, Lirong Chen, Haonan Sui, Huiling Duan   +5 more
doaj   +1 more source

Characterization of Aluminized Layers on Inconel‐738 Alloy: Microstructure, Modeling of Aluminizing Kinetics, and Thermal Behavior

Advanced Engineering Materials, EarlyView.
This study explored how effective nickel aluminide coatings are obtained in providing oxidation resistance applied to the Inconel 738 alloy, modeling with diffusion models. In the present study, kinetics and thermal behavior of the Inconel 738 alloy were studied by the low‐temperature thermoreactive aluminizing process, which was carried out at 625°C ...
Gozde Celebi Efe, Tuba Yener, Suayb Cagri Yener, Mourad Keddam, Cuma Bindal   +4 more
wiley   +1 more source

Effect of high energy helium ion irradiation on microstructure and mechanical response of CLAM steel

Cailiao gongcheng
The blanket structural material of fusion reactor will induce radiation damage during the period of service. As the preferred structural material of thermonuclear fusion reactor, it is necessary to study its radiation behaviour.
LUO Aibo, LIANG Yanxiang, YAO Yong, WANG Luobin, WAN Qiang   +4 more
doaj   +1 more source

Effect of Strengthening Methods on the Defect Evolution under Irradiations Investigated with Rate Theory Simulations

Metals, 2019
Under irradiations, mechanical performance of nuclear alloys would degrade due to irradiation induced defects. Different strengthening methods can play a different role in the evolution of the defects.
Cheng Chen, Liping Guo, Yaxia Wei, Ziyang Xie, Yunxiang Long   +4 more
doaj   +1 more source

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

Advanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice, Krzysztof S. Stopka, Michael D. Sangid   +2 more
wiley   +1 more source

Studies on the correlation between irradiation hardening and thermal conductivity of RPV steel irradiated with protons

Journal of Materials Research and Technology
Reactor pressure vessel (RPV) is a critical safety component in nuclear power plants, and irradiation embrittlement induced by hardening is its primary safety challenge.
Chaoliang Xu, Wenqing Jia, Qiwei Quan, Yuanfei Li, Jian Yin, Huanchun Wu, Xiao Jin, Xianglong Guo, Xiangbing Liu   +8 more
doaj   +1 more source

Research on the Temperature Field in Laser Hardening [PDF]

, 2006
Temperature field in the laser hardening process was numerically simulated by MSC.Marc software. The influence of energy density on laser hardening effect is analyzed.
Su YP, Wang, XF (reprint author), Beijing Univ, Sch Mech Engn & Automat, 37 Xueyuan Rd,Haidian Dist, Beijing 100083, Peoples R China., Lu XD, 陈光南, Hu SG, 王秀凤   +5 more
core   +1 more source

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

Advanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar, Dhanadeep Dutta, G. Bharat Reddy   +2 more
wiley   +1 more source

Enhancing Strength and Electrical Conductivity in Al–Zr–Sc Conductor Alloys Through Sn and Sr Microalloying and Two‐Step Aging Treatment

Advanced Engineering Materials, EarlyView.
Trace additions of Sn and Sr combined with a two‐step aging treatment are shown to enhance the microstructure and performance of Al–Zr–Sc conductor alloys. Strength and electrical conductivity increase concurrently through accelerated precipitation of fine Al3(Sc, Zr) precipitates and improved dislocation resistance, offering a cost‐effective pathway ...
Quan Shao, Emad M. Elgallad, Alexandre Maltais, X.‐Grant Chen   +3 more
wiley   +1 more source

A multiscale study on the microstructure and hardening models of the irradiation defects on reactor pressure vessel steels: Modelling and experiment

Journal of Materials Research and Technology
Irradiation defects are known to impede the dislocation motion in irradiated reactor pressure vessel (RPV) steels. However, consistent experimental studies of the respective irradiation defects and relevant theoretical studies of the interaction ...
Pan-dong Lin, Jun-feng Nie, Wen-dong Cui, Lei He, Yu-peng Lu, Shu-gang Cui   +5 more
doaj   +1 more source