Results 31 to 40 of about 4,280 (181)

On the microstructure and mechanical property of as-extruded Mg-Gd-Y-Zn alloy with Sr addition [PDF]

, 2017
In this study, microstructure evolutions of Mg-6Gd-3Y-0.1Zn-xSr (x=0, 0.2, 0.6) alloys (named as sample 0Sr, 0.2Sr, 0.6Sr) during heat-treatment and extrusion were investigated.
Chai, Linjiang, Diao, Hui, Liu, Shengming, Song, Bo   +3 more
core   +1 more source

Wire-arc additive manufacturing of Mg-Gd-Y-Zn-Zr alloy: Microstructure and mechanical properties

Journal of Materials Research and Technology
Mg-Gd-Y-Zn-Zr alloy is an essential high strength weight ratio material in the aerospace field. It has been fabricated gradually using wire-arc additive manufacturing (WAAM), a key integrated preparation technology for large-scale parts.
Ce Zhang, Ruifeng Ju, Yunlong Li, Zhanyong Zhao, Liqing Wang, Kai Ma, Dongdong Zhang, Zhen Zhang, Peikang Bai   +8 more
doaj   +1 more source

Investigations on microstructure and mechanical properties of cast Mg-Gd-Y-Zn-Zr-Nd alloy

Journal of Materials Research and Technology, 2023
Different solution treatments were carried out on the semi-continuously cast Mg-9.55Gd-2.27Y-1.28Zn-0.55Zr-0.11Nd (wt.%) alloy at temperatures of 480 °C, 500 °C, and 520 °C. It was found that the different solution treatment temperatures led to different
Cong Dang, Xiaoxu Dou, Jingfeng Wang, Di Yu, Jinxing Wang, Ruopeng Lu, Hua Hou, Yuhong Zhao   +7 more
doaj   +1 more source

CERTIFICATION REPORT The certification of trace elements mass fraction in electrolytic copper: ERM®-EB074A, B and C [PDF]

, 2014
This report describes the production of ERM®-EB074A, B and C, a pure copper material with low level of added impurities certified for the mass fraction of Ag, Al, As, Au, Be, Bi, Cd, Co, Cr, Fe, In, Mg, Mn, Ni, P, Pb, S, Sb, Se, Si, Sn, Te, Ti, Zn and Zr.
BACQUART THOMAS, LINSINGER Thomas
core   +1 more source

Strain dependency of dynamic recrystallization during thermomechanical processing of Mg-Gd-Y-Zn-Zr alloy

Journal of Materials Research and Technology, 2022
The microstructure and microtexture of an extruded and annealed GWZ (Mg-8.2Gd-3.6Y-1.6Zn-0.5Zr, wt.%) magnesium alloy was recorded strain by strain in the course of thermomechanical processing.
Z. Aalipour, A. Zarei-Hanzaki, A. Moshiri, H.R. Abedi, Daudi Waryoba, A. Kisko, L.P. Karjalainen   +6 more
doaj   +1 more source

Effects of Zn content on Hot Tearing Susceptibility of Mg–7Gd–5Y–0.5Zr Alloy

Metals, 2020
Mg−7Gd−5Y−0.5Zr alloy has excellent mechanical properties but poor hot tearing resistance. The latter makes it difficult to cast billets, which limits the size of subsequently processed parts.
Ziqi Wei, Shimeng Liu, Zheng Liu, Feng Wang, Pingli Mao, Xiaoxia Wang, Xingxing Li   +6 more
doaj   +1 more source

Effect of annealing on microstructure and tensile properties of as-extruded Mg-5Gd-4Y-0.5Zn-0.5Zr alloy

Journal of Materials Research and Technology, 2022
In order to investigate the effect of heat treatment on the microstructure and tensile properties of an Mg-5Gd-4Y-0.5Zn-0.5Zr alloy, the phase diagram was calculated by Pandat software, and accordingly the as-extruded alloy was annealed at 450, 510 and ...
Xuan Wu, Yong Wang, Yi Chen, Liying Qiao, Jia She   +4 more
doaj   +1 more source

Macroscopic, thermodynamic, kinetic and microscopic study of nitric acid pickling of Elektron 21 (EV31A) magnesium alloy [PDF]

, 2014
The study of pickling of the EL21T6 substrate in a nitric acid bath firstly provided knowledge of the influence of the different experimental parameters (concentration of acid, temperature and stirring of the solution) in relation to the etching rate ...
Arurault, Laurent, Bonningue, Corine, Mouls, Benjamin, Taberna, Pierre-Louis   +3 more
core   +3 more sources

Atomic Size Misfit for Electrocatalytic Small Molecule Activation

Advanced Functional Materials, EarlyView.
This review explores the application and mechanisms of atomic size misfit in catalysis for small molecule activation, focusing on how structural defects and electronic properties can effectively lower the energy barriers of chemical bonds in molecules like H2O, CO2, and N2.
Ping Hong, Changfan Xu, Huaping Zhao, Yong Lei   +3 more
wiley   +1 more source

Influence of temperature and cumulative strain on microstructure and mechanical properties of multi-directional forged Mg-Gd-Y-Zn-Zr alloy

Journal of Materials Research and Technology
The multidirectional forging (MDF) experiments of Mg-Gd-Y-Zn-Zr alloy were performed. The effects of temperature and cumulative strain on microstructure and mechanical properties of multi-directional forged Mg-Gd-Y-Zn-Zr alloy were studied.
Xiangsheng Xia, Yiwen Guo, Ming Li, Shiqing Gao, Lin Xiang   +4 more
doaj   +1 more source