Search Results - "Xin, Yunchang"
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Hall-Petch relationship in Mg alloys: A review
Published in Journal of materials science & technology (01-02-2018)“…Grain refinement could effectively enhance yield strength of Mg alloys according to the well-known Hall-Petch theory. For decades, many studies have been…”
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2
Evading strength-corrosion tradeoff in Mg alloys via dense ultrafine twins
Published in Nature communications (29-07-2021)“…Conventional ultrafine-grains can generate high strength in Mg alloys, but significant tradeoff of corrosion resistance due to inclusion of a large number of…”
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3
The mechanism for the high dependence of the Hall-Petch slope for twinning/slip on texture in Mg alloys
Published in Acta materialia (15-04-2017)“…A Hall-Petch slope (k) that is highly changeable with texture, as extensively reported in Mg alloys, is ultimately related to the variation of deformation…”
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4
Strong and ductile AZ31 Mg alloy with a layered bimodal structure
Published in Scientific reports (01-04-2019)“…AZ31 Mg alloy was processed by accumulative roll-bonding (ARB) and hot rolling (HR), respectively, followed by annealing. Layered bimodal structures…”
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Achieving High Strength and Ductility in Magnesium Alloys via Densely Hierarchical Double Contraction Nanotwins
Published in Nano letters (11-10-2017)“…Light-weight magnesium alloys with high strength are especially desirable for the applications in transportation, aerospace, electronic components, and…”
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6
Strengthening and toughening of magnesium alloy by {10−12} extension twins
Published in Scripta materialia (01-01-2012)“…The mechanisms of strengthening and toughening of hot-rolled AZ31 magnesium alloy by {10−12} extension twins during strain path changed recompression are…”
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7
Tailoring the texture of magnesium alloy by twinning deformation to improve the rolling capability
Published in Scripta materialia (01-05-2011)“…► Pr-rolling along TD initiates (10–12) twins which incline basal plane by 86°. ► Inclination of basal plane can effectively improve rolling capability at 300…”
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8
Suppressing the tension–compression yield asymmetry of Mg alloy by hybrid extension twins structure
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (01-04-2013)“…A hybrid extension twin structure generated by a cross compression of the hot-rolled Mg alloy along the transverse direction (TD) and the rolling direction…”
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9
{10-12} Twin variants selection mechanisms during twinning, re-twinning and detwinning
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (26-08-2014)“…{10-12} Twinning is one of the main deformation mechanisms in Mg–3Al–1Zn at room temperature. Twin variant activation is reported to follow the Schmid law and…”
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10
Improving the room temperature stretch formability of a Mg alloy thin sheet by pre-twinning
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (08-02-2016)“…{10−12} tensile twins were introduced by in-plane compression in a thin magnesium alloy sheet in order to tailor the texture. The room temperature stretch…”
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11
The influence of a secondary twin on the detwinning deformation of a primary twin in Mg–3Al–1Zn alloy
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (12-06-2014)“…In the present paper, the influence of a {101¯2}–{101¯2} secondary twin on detwinning of a {101¯2} primary twin is systematically investigated by compression…”
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12
Reducing Migration of Sintered Ag for Power Devices Operating at High Temperature
Published in IEEE transactions on power electronics (01-12-2020)“…Wide-bandgap power devices are usually operated at a higher temperature or larger electrical bias and the harsh conditions often lead to early failure of the…”
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13
Effect of dislocation-twin boundary interaction on deformation by twin boundary migration
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (26-04-2016)“…The effect of interaction between {101̅2} twin boundaries (TBs) and 〈a〉 dislocations on deformation behavior of TBs migration process was studied. This…”
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14
Bioactive SrTiO3 Nanotube Arrays: Strontium Delivery Platform on Ti-Based Osteoporotic Bone Implants
Published in ACS nano (27-10-2009)“…Development of strontium releasing implants capable of stimulating bone formation and inhibiting bone resorption is a desirable solution for curing…”
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15
Strain-Path Dependence of {101¯2} Twinning in a Rolled Mg–3Al–1Zn Alloy: Influence of Twinning Model
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (2019)“…In magnesium and its alloys, { 10 1 ¯ 2 } tension twinning is an important deformation mode and is highly dependent on the strain path. Although the { 10 1 ¯ 2…”
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16
Mechanical behavior of a Mg/Al composite rod containing a soft Mg sleeve and an ultra hard Al core
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15-10-2016)“…In the present study, microstructure and mechanical behavior of a Mg/Al composite rod with a soft Mg AZ31 sleeve and an ultra hard Al 7050 core were…”
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17
Annealing hardening in detwinning deformation of Mg–3Al–1Zn alloy
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (31-01-2014)“…The present work reports the effect of annealing treatment on detwinning deformation in Mg alloy AZ31 and pure Mg that have pre-strained twins. It shows that…”
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18
Controlling the recrystallization behavior of a Mg–3Al–1Zn alloy containing extension twins
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (01-01-2015)“…In the present study, a pre-treatment is employed to tailor the recrystallization behavior of a Mg–3Al–1Zn (AZ31) plate that contains {101¯2} twins. When the…”
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19
The different effects of twin boundary and grain boundary on reducing tension-compression yield asymmetry of Mg alloys
Published in Scientific reports (04-07-2016)“…In the present study, a coarse grained AZ31 plate was refined by twin boundaries (TBs) and grain boundaries (GBs), respectively. A comparative study about the…”
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The effect of hot rolling regime on texture and mechanical properties of an as-cast Mg–2Zn–2Gd plate
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (25-07-2018)“…In this work, the microstructure and texture evolution of an as-cast Mg-2Zn-2Gd alloy subjected to different hot rolling regimes (cross rolling (CR) and…”
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