全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:A. Kula , X. Jia ...
来源:[J].International Journal of Plasticity(IF 4.356), 2017Elsevier
摘要:Abstract(#br)Flow stress and work hardening behaviour of Mg-Y binary alloys have been studied under uniaxial tension and compression at 4 K, 78 K and 298 K. Electron microscopy observations show that Yttrium forms multi-atomic clusters distributed randomly in Mg matrix. Duri...
作者:A. Kula , C.J. Silva , M. Niewczas
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2017, Vol.727, pp.642-657Elsevier
摘要:Abstract(#br)The effect of grain size on the flow stress and work hardening in binary Mg–Sc alloys has been investigated under conditions of uniaxial compression at 78 K and 298 K. The yield stress depends on the grain size and obeys Hall–Petch relationship. Yielding and pos...
作者:A. Kula , T. Tokarski , M. Niewczas
来源:[J].Materials Science & Engineering A(IF 2.108), 2019, Vol.759, pp.346-356Elsevier
摘要:Abstract(#br)The flow stress and work-hardening of rapidly solidified, (RS), and conventionally cast, (IM), AM60 magnesium alloy has been investigated under conditions of uniaxial tension and compression at 4 K, 78 K and 298 K. Rapid solidification combined with plastic consolida...
作者:A. Kula , R.K. Mishra
来源:[J].Materials Science & Engineering A(IF 2.108), 2017, Vol.692, pp.199-213Elsevier
摘要:Abstract(#br)The flow stress and work hardening behaviour during uniaxial compression of dilute binary Mg-Sc alloys have been studied at 4.2 K, 78 K and 298 K. The influences of atomic misfit, chemical misfit, solute electronic properties and stacking fault energy (SFE) on s...
作者:A. Kula , R.K. Mishra
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2018, Vol.761, pp.58-70Elsevier
摘要:Abstract(#br)An investigation into the effect of scandium on the mechanical properties of dilute binary Mg–Sc alloys deformed under tension has been conducted at 298 K, 78 K and 4.2 K. The relatively small improvement in strength and ductility is discussed in terms of the ef...
作者:A. Kula , H. Kitahara
来源:[J].Acta Materialia(IF 3.941), 2018Elsevier
摘要:Abstract(#br)Dislocation distribution and patterning during the onset of uniaxial compression of 〈 a 〉 -axis Mg single crystals was investigated by transmission electron microscopy (TEM) and etch-pitting technique. The crystals deform by dislocation glide using basal and non...
作者:A. Kula , K. Noble ...
来源:[J].Philosophical Magazine(IF 1.596), 2016, Vol.96 (2), pp.134-165Taylor & Francis
摘要:Mechanisms of strength and ductility in textured Mg–Gd binary alloys are investigated under conditions of uniaxial tension and compression at 4.2, 78 and 298 K. The alloys obey solution strengthening relationships between the critical stress ...
作者:A. Kula , M. Niewczas
来源:[J].Acta Materialia(IF 3.941), 2014, Vol.79, pp.66-73Elsevier
摘要:Abstract(#br)The present study validates the previously reported investigations about segregation of rare-earth (RE) elements at grain boundaries in Mg–RE alloys and ultimately provides a direct visualization of the distribution of the solute atoms in the structure of a Mg–G...
作者:A. Kula , R.K. Mishra
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2016, Vol.687, pp.548-561Elsevier
摘要:Abstract(#br)The effect of scandium on the microstructure and texture of hot rolled and annealed binary Mg-Sc alloys has been studied. Hot rolled alloys develop weaker and more random basal texture than the corresponding texture of pure Mg after undergoing the same thermomec...

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