Results 121 to 130 of about 531 (171)

Achieving High Strength in Mg-0.7Sm-0.3Zr Alloy via Room-Temperature Rotary Swaging: Radial Gradient Microstructure and Grain Refinement Mechanisms. [PDF]

Materials (Basel)
Liu J, Dai Y, Li Z, Hu Y.
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Research progress on osteoclast regulation by biodegradable magnesium and its mechanism. [PDF]

Regen Biomater
Zhu W, Wang W, Yang X, Ran C, Zhang T, Huang S, Yang J, Wang F, Wang H, Wan P, Piao F, Lu F, Shi S, Li Y, Zhang X, Zhao D.   +15 more
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Hot Compression Deformation Behavior of Mg-Gd-Y-Zn-Zr Alloy

Applied Mechanics and Materials, 2014
The deformation behaviors of as-cast Mg-11Gd-2Y-Zn-Zr magnesium alloy were investigated by compression test with Gleeble-1500 thermal simulator at temperature of 623-753K and strain rate of 0.01-0.5 s-1. The flow stress behaviors of the magnesium alloy were carried out at a strain of 0.7.
Guang Lu, Zhi Ping Xie, Zhi Min Zhang, Yong Biao Yang, Bao Cheng Li   +4 more
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Precipitate Microstructures of High Strength Mg-Gd-Y-Zn-Zr Alloys

Advanced Materials Research, 2006
Precipitate microstructures in Mg-2.0Gd-1.2Y-0.75Zn-0.2Zr alloy were investigated and the characteristic and mechanism of microstructure evolution in the alloy were discussed. Specific long-period 14H ordered stacking structure was formed at grain boundary of Mg matrix crystals by solution heat treatment at 773K and metastable β’ phase was formed ...
Kentaro Yamada, Yoshiyuki Okubo, Shigeharu Kamado, Yo Kojima   +3 more
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Effect of pack-forging on microstructure and properties of Mg-Gd-Y-Zn-Zr alloy

Materials Science and Engineering: A, 2021
Abstract An ultrahigh strength Mg-10Gd-4Y-1.5Zn-0.5Zr alloy was prepared by the combined process of extrusion, pack-forging and aging treatment. The resultant alloy possesses a bimodal grain structure, a high number density of nanoprecipitates and long period stacking ordered (LPSO)/stacking faults (SFs). Numerous dispersive precipitates formed after
Xiaoxiao Wei, Li Jin, Chuanlai Liu, Fenghua Wang, Shuai Dong, Jie Dong   +5 more
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Microstructures and Mechanical Properties of a Novel Mg-Gd-Y-Zn-Zr Alloy

Materials Science Forum, 2013
The microstructure characteristics and mechanical properties of as-cast and hot extruded Mg-5Gd-4Y-0.5Zn-0.5Zr (GWZ540) alloy were investigated. The results show that coarse the as-cast GWZ540 alloy consisted of α-Mg grain and two second phases, disc-like Mg5(Zn0.2Y0.2Gd0.6) and block-shaped Mg24(Y0.6Gd0.4)5.
Zhong Yang, Jian Ping Li, Yan Rong Wang, Bi Wei Xiong   +3 more
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Characterization of hot deformation behavior of as-extruded Mg–Gd–Y–Zn–Zr alloy

Journal of Alloys and Compounds, 2014
Abstract The hot deformation characteristics of as-extruded Mg–Gd–Y–Zn–Zr alloy have been investigated by isothermal compression tests in the temperature range of 300–500 °C and strain rate range of 0.001–1 s −1 . Several modeling approaches, including flow stress–strain curves, a constitutive Arrhenius type equation model and processing map were ...
Xiangsheng Xia, Qiang Chen, Jianping Li, Dayu Shu, Chuankai Hu, Shuhai Huang, Zude Zhao   +6 more
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Hot Deformation Characterization of Homogenized Mg-Gd-Y-Zn-Zr Alloy During Isothermal Compression

JOM, 2019
The article investigates the hot deformation behavior of a homogenized Mg-13Gd-4Y-2Zn-0.6Zr (GWZK1342) alloy based on isothermal compression tests. The hot deformation characterization of the GWZK1342 alloy was investigated through the work-hardening rate θ and the inflection point of ln θ − e curves; thus, the critical strain model was established ...
Bing Li, Bugang Teng, Wenchen Xu
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Effect of selective oxidation on corrosion behavior of Mg–Gd–Y–Zn–Zr alloy

Corrosion Science, 2018
Abstract The multilayer features are observed in the microstructures of Mg–Gd–Y–Zn–Zr alloy after high-heat treatment. The microstructures of the heat-treated samples in depth can be divided into four zones: the rare earth (RE) oxide film, the layer without long-period stacking ordered (LPSO) phases, the lamellar LPSO layer and the blocky LPSO zone ...
Luoyi Wu, Haotian Li
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Influence of Corrosion Morphology on Inductive Impedance of Mg-Gd-Y-Zn-Zr-Ag Alloy

Journal of Materials Engineering and Performance, 2021
In this work, the corrosion behavior of Mg-6Gd-4Y-0.6Zn-0.5Zr-0.3Ag alloy was investigated by using electrochemical impedance spectroscopy (EIS). EIS results showed that the inductive impedance changed with immersion duration. After 1 h of immersion, only one inductive loop was found at low frequency (LF).
Shiyuan Xu, Shunong Jiang, Zhiyong Chen, Chuming Liu   +3 more
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