Results 21 to 30 of about 70,392 (78)

Dissociation of edge and screw pyramidal I and II dislocations in magnesium

Journal of Magnesium and Alloys, 2023
Pyramidal dislocations in magnesium (Mg) and other hexagonal close-packed metals play an important role in accommodating plastic strains along the c-axis.
Yang Yang, Fei Liu, Kefan Chen, Boyu Liu, Zhiwei Shan, Bin Li   +5 more
doaj   +1 more source

Embryo-to-lamella transition of grain boundary twins in magnesium

Journal of Magnesium and Alloys, 2023
A combined experimental and computational analysis is performed to investigate the less commonly studied embryo-to-lamella transition of deformation twins in magnesium.
Mariyappan Arul Kumar, Irene J Beyerlein
doaj   +1 more source

Exceptional thermal stability and enhanced hardness in a nanostructured Mg-Gd-Y-Zn-Zr alloy processed by high pressure torsion

Journal of Magnesium and Alloys, 2023
A Mg-8.2Gd-3.8Y-1.0Zn-0.4Zr (wt.%) alloy is processed by solution treatment and high pressure torsion (HPT) at room temperature to produce a nanostructured light material with high hardness.
Wanting Sun, Yang He, Xiaoguang Qiao, Xiaojun Zhao, Houwen Chen, Nong Gao, Marco J. Starink, Mingyi Zheng   +7 more
doaj   +1 more source

Assessment of a two-surface plasticity model for hexagonal materials

Journal of Magnesium and Alloys, 2023
A computationally efficient two-surface plasticity model is assessed against crystal plasticity. Focus is laid on the mechanical behavior of magnesium alloys in the presence of ductility-limiting defects, such as voids.
R. Vigneshwaran, A.A. Benzerga
doaj   +1 more source

Study on deformation characteristics and support technology of cross layer roadway under the influence of goaf

Meikuang Anquan, 2022
Aiming at the problem that the surrounding rock of the advancing roadway at the east wing of -550 m level is not easy to be stable when the tunnel is advanced in a short distance under goaf in Liangbei Mine, the stress distribution law and deformation ...
ZHU Lei, ZHANG Sheng, HE Fei, WANG Feng, LU Yiqiang, NING Xiangke, CHEN Zhao, ZHANG Xulong   +7 more
doaj   +1 more source

Numerical analysis of floor heave control technology of combined inverted arch-floor pile

Meikuang Anquan, 2022
In order to solve the problem of floor heave control in deep soft rock roadway, based on the engineering background of the 18th floor track roadway in the south of the fourth level of Xing’an Mine, a new type of bottom heave control technology, that is ...
GUO Dongming, WANG Zetian, KANG Xinchao, CHEN Qiyu, YAN Hao, ZHANG Sibo, HAO Wenqian   +6 more
doaj   +1 more source

Potential energy catastrophe failure mechanism of “filling body-coal pillar” composite structure

Meikuang Anquan, 2022
In order to study the stability of “filling body-coal pillar” composite structure in roadway backfilling mining, the bearing characteristics of composite structure are analyzed.
WANG Shuokang, YAN Jingjing, YANG Yuanzhong   +2 more
doaj   +1 more source

Study on impact of tectonic structure surface on stability of end-slope mining process in open-pit mine

Meikuang Anquan, 2022
Based on the problem of tectonic structural surfaces existing in the end slope of huge thick coal seam open-pit mine, this paper uses the limit equilibrium method and numerical simulation to analyze the influence of tectonic structural surfaces of ...
WANG Shufeng, YANG Zhiyong, HU Guilin
doaj   +1 more source

Synthesis And Characterization Of Carbonated Hydroxyapatite As Bioceramic Material [Tn1-997] [PDF]

, 2009
Dalam kajian ini, hidroksiapatit berkarbonat (CHA) disintesis menggunakandua kaedah sintesis, iaitu melalui kaedah pemendakan dan pengemulsian nano.
WIDYASTUTI, WIDYASTUTI
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Software analysis of environmental monitoring results [PDF]

, 2020
The paper deals with the development of a computer monitoring system. Computer monitoring is increasingly used today to control the hygienic performance of water, air and soil. Not only does modern computer technology not only measure and store data, but
Rublevskaya, N.I., Rublevsky, V.D.
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