Pingli Mao
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View article: Effect of element Ce on the strain rate sensitivity of Mg-Zn-Zr alloy
Effect of element Ce on the strain rate sensitivity of Mg-Zn-Zr alloy Open
Investigations into the strain rate sensitivity of magnesium (Mg) alloys represent a current research focus in materials science. However, most studies have examined strain rate sensitivity in single alloy, lacking systematic comparisons b…
View article: Quasi-in situ electron backscatter diffraction analysis of twinning–detwinning behavior in AZ31 magnesium-alloy rolled plates subjected to compression loading in different directions
Quasi-in situ electron backscatter diffraction analysis of twinning–detwinning behavior in AZ31 magnesium-alloy rolled plates subjected to compression loading in different directions Open
In this study, the twinning–detwinning behavior and slip behavior of rolled AZ31 magnesium-alloy plates during a three-step intermittent dynamic compression process along the rolling direction (RD) and normal direction (ND), are investigat…
View article: Optimizing strength-ductility synergy of the solid-solution Ti50–ZrVNbCr MEAs via coordinately adjusting VEC and lattice constant
Optimizing strength-ductility synergy of the solid-solution Ti50–ZrVNbCr MEAs via coordinately adjusting VEC and lattice constant Open
In this study, a series of Ti50–ZrVNbCr alloys were designed under with the constant atomic radius mismatch. It was suggested that valence electron concentration (VEC) and lattice constant, which evolve oppositely in the series of the Ti50…
View article: Effect of Ce on microstructure and dynamic compression properties of ZK60 alloy
Effect of Ce on microstructure and dynamic compression properties of ZK60 alloy Open
The Mg–6Zn– xCe–0.6Zr ( x = 1, 2) alloys were subjected to a dynamic compression experiment, and the change in microstructure was noticed and studied. The primary components of two alloys are α-Mg matrix, Mg 7 Zn 3 phase, and (Mg 1− x Zn x…
View article: Effect of Grain Size on Dynamic Compression Behavior and Deformation Mechanism of ZK60 Magnesium Alloy
Effect of Grain Size on Dynamic Compression Behavior and Deformation Mechanism of ZK60 Magnesium Alloy Open
The dynamic compression deformation of 3 µm, 15 µm and 25 µm grain size ZK60 alloys under high-strain-rate compression is systematically studied. Dynamic compression experiments at a strain rate of 1700 s−1 were conducted using a split Hop…
View article: Effects of Alternating Magnetic Field on the Hot Tearing Susceptibility and Microstructure of Al-5Cu Alloy
Effects of Alternating Magnetic Field on the Hot Tearing Susceptibility and Microstructure of Al-5Cu Alloy Open
The influence of alternating magnetic field on hot tearing susceptibility (HTS) and microstructure of Al-5Cu alloy were studied using hot tearing test system and differential thermal analysis test. The Clyne-Davies model was used to evalua…
View article: Effect of addition of minor amounts of Sb and Gd on hot tearing susceptibility of Mg-5Al-3Ca alloy
Effect of addition of minor amounts of Sb and Gd on hot tearing susceptibility of Mg-5Al-3Ca alloy Open
The effects of addition of minor amount of (0.5 wt.%) antimony (Sb) or gadolinium (Gd) and combined addition of Sb and Gd (0.5 wt.%, respectively) on the hot tearing susceptibility (HTS) of Mg-5Al-3Ca alloy were investigated experimentally…
View article: Dynamic tensile properties and microstructural evolution of extruded EW75 magnesium alloy at high strain rates
Dynamic tensile properties and microstructural evolution of extruded EW75 magnesium alloy at high strain rates Open
The dynamic tensile properties and microstructural evolution of an extruded EW75 magnesium alloy deformed at ambient temperature and different high strain rates (from 1000 to 3000 s-1) along extrusion direction (ED) were investigated by Sp…
View article: Effects of Zn Content on Hot Tearing Susceptibility of Mg–7Gd–5Y–0.5Zr Alloy
Effects of Zn Content on Hot Tearing Susceptibility of Mg–7Gd–5Y–0.5Zr Alloy Open
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. Therefore, the hot tearing susceptibility of M…
View article: Solidification pathways and hot tearing susceptibility of MgZnxY4Zr0.5 alloys
Solidification pathways and hot tearing susceptibility of MgZnxY4Zr0.5 alloys Open
Hot tearing is known as one of the most serious solidification defects commonly encountered during solidification. It is very important to study the solidification path of alloys. In the work, thermal analysis with cooling curve was used f…
View article: Exploration a Analysis of Problems in the Cultivating model of Combination of Work and Study for Higher Vocational Education and Suggestions
Exploration a Analysis of Problems in the Cultivating model of Combination of Work and Study for Higher Vocational Education and Suggestions Open
The cultivating model-combination of work and study, is an important orientation for the reformation of higher vocational education under the new situation.In recent years, such model has gaind rapid development and initial achievements in…
View article: Phase stability, electronic, elastic and thermodynamic properties of Al-RE intermetallics in Mg-Al-RE alloy: A first principles study
Phase stability, electronic, elastic and thermodynamic properties of Al-RE intermetallics in Mg-Al-RE alloy: A first principles study Open
Electronic structure and elastic properties of Al2Y, Al3Y, Al2Gd and Al3Gd phases were investigated by means of first-principles calculations from CASTEP program based on density functional theory (DFT). The ground state energy and elastic…