Search Results - "Chen, Pengwan"
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Strain engineering in perovskite solar cells and its impacts on carrier dynamics
Published in Nature communications (18-02-2019)“…The mixed halide perovskites have emerged as outstanding light absorbers for efficient solar cells. Unfortunately, it reveals inhomogeneity in these…”
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2
Effects of microstructure on the dynamic properties of TA15 titanium alloy
Published in Mechanics of materials (01-10-2019)“…•Four different microstructures of TA15 titanium alloy are obtained using different heat treatment conditions.•High strain rate response of the different…”
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3
Stochastic deep collocation method based on neural architecture search and transfer learning for heterogeneous porous media
Published in Engineering with computers (01-12-2022)“…We present a stochastic deep collocation method (DCM) based on neural architecture search (NAS) and transfer learning for heterogeneous porous media. We first…”
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4
Quasi-static in-plane compression of zig-zag folded metamaterials at large plastic strains
Published in Thin-walled structures (01-02-2021)“…The work aims to study the large, plastic deformation and energy absorption characteristics of zig-zag folded metamaterials, BCHn, under quasi-static in-plane…”
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5
Impact energy absorption behavior of graphene aerogels prepared by different drying methods
Published in Materials & design (01-09-2022)“…[Display omitted] •Under dynamic uniaxial compression, the supercritical CO2 drying graphene aerogels exhibited a negative Poisson's ratio.•The freeze-drying…”
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6
Numerical and Experimental Studies on the Explosive Welding of Tungsten Foil to Copper
Published in Materials (23-08-2017)“…This work verifies that the W foil could be successfully welded on Cu through conventional explosive welding, without any cracks. The microstructure was…”
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7
Enhancing the ballistic resistance of steel/aluminum bilayer armor plates through explosive welding
Published in Materials & design (01-10-2023)“…This work presents a comprehensive analysis of the ballistic response of Q235 steel/6061-T6 aluminum bilayer plates fabricated via explosive welding, with a…”
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8
Comprehensive simulations of rock fracturing with pre-existing cracks by the numerical manifold method
Published in Acta geotechnica (01-03-2022)“…Rock is generally regarded as a heterogeneous and anisotropic material containing massive initial defects, such as cracks, joints, and porosities. In the…”
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9
Dynamic penetration behaviors of single/multi-layer graphene using nanoprojectile under hypervelocity impact
Published in Scientific reports (06-05-2022)“…Single/multilayer graphene holds great promise in withstanding impact/penetration as ideal protective material. In this work, dynamic penetration behaviors of…”
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10
Dynamic Shear Deformation and Failure of Ti-6Al-4V and Ti-5Al-5Mo-5V-1Cr-1Fe Alloys
Published in Materials (05-01-2018)“…To study the dynamic shear deformation and failure properties of Ti-6Al-4V (Ti-64) alloy and Ti-5Al-5Mo-5V-1Cr-1Fe (Ti-55511) alloy, a series of forced shear…”
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11
Formation of nanodiamond by pulsed discharge of carbon fiber wires
Published in Applied physics letters (24-08-2020)“…High-crystalline nanodiamond powder was formed during pulsed discharge of carbon fiber wires in distilled water at room temperature. The…”
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12
Shock-induced large-depth gradient microstructure in commercial pure titanium subjected to explosive hardening
Published in Materials & design (01-01-2022)“…[Display omitted] •Large-depth gradient hardness distribution with depth of 2.5 mm was produced in commercially pure titanium by explosive hardening.•Gradient…”
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13
The Influence of Microstructure on the Flexural Properties of 3D Printed Zirconia Part via Digital Light Processing Technology
Published in Materials (21-02-2022)“…In recent years, additive manufacturing of ceramics is becoming of increasing interest due to the possibility of the fabrication of complex shaped parts…”
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14
Evolution of Structural and Electrical Properties of Oxygen-Deficient VO2 under Low Temperature Heating Process
Published in ACS applied materials & interfaces (16-08-2017)“…Structural stability and functional performances of vanadium dioxide (VO2) are strongly influenced by oxygen vacancies. However, the mechanism of…”
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15
Preparation and Performance of Mo/Cu/Fe Multi-Layer Composite Coating with Staggered Spatial Structure by Electro-Explosive Spraying Technology
Published in Materials (16-05-2022)“…In the present study, electro-explosive spraying technology was used to prepare a multi-layer composite coating with a staggered spatial structure on a 45…”
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16
Modelling Microstructural Deformation and the Failure Process of Plastic Bonded Explosives Using the Cohesive Zone Model
Published in Materials (07-11-2019)“…A microstructure finite element method combining the cohesive zone model (CZM) is used to simulate the mechanical behavior, deformation, and failure of…”
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Microstructural characterization of pressure-induced cracking in melamine/F2311 composites and crack-healing behavior via thermal-pressure aging treatment
Published in Materials & design (01-04-2020)“…The effects of F2311 content on the crack morphology and crack healing behavior of melamine/F2311 composites, a safe polymer-bonded explosive analog, were…”
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18
Fabrication of Nanocrystalline AlCoCrFeNi High Entropy Alloy through Shock Consolidation and Mechanical Alloying
Published in Entropy (Basel, Switzerland) (01-09-2019)“…High entropy alloys (HEAs) are usually fabricated using arc melting which has the disadvantages of diseconomy, and the limitations in the shape and size of…”
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19
Atomistic Insights into Impact-Induced Energy Release and Deformation of Core-Shell-Structured Ni/Al Nanoparticle in an Oxygen Environment
Published in Materials (14-08-2024)“…In actual atmospheric environments, Ni/Al composites subjected to high-velocity impact will undergo both intermetallic reaction and oxidative combustion…”
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Modelling Rock Blasting Considering Explosion Gas Penetration Using Discontinuous Deformation Analysis
Published in Rock mechanics and rock engineering (01-07-2011)“…Explosion gas plays an important role in rock mass fragmentation and cast in rock blasting. In this technical note, the discontinuous deformation analysis…”
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