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Article
LHAASO-KM2A detector simulation using Geant4
KM2A is one of the main sub-arrays of LHAASO, working on gamma ray astronomy and cosmic ray physics at energies above 10 TeV. Detector simulation is the important foundation for estimating detector performance...
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Article
First-principles study of the influence of torsional deformation on the electronic structure and optical properties of B absorbed silicene
Silicene has very good electronic properties and has important applications in the field of microelectronics. The effects of torsional deformation on the structural, electronic and optical properties of B abso...
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Article
On the Discussions of Nonlinear Terms in the Large Deformation Model of Thin-Walled Cylindrical Shells
The significance of the nonlinear terms in the governing equations to describe the transiently large deformation of a thin-walled cylindrical shell under impact pressures is discussed in this paper. Firstly, t...
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Article
Reconstruction of Cherenkov image by multiple telescopes of LHAASO-WFCTA
One of main scientific goals of the Large High Altitude Air Shower Observatory (LHAASO) is to accurately measure the energy spectra of different cosmic ray compositions around the ‘knee’ region. The Wide Field...
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Article
High-temperature characteristics and electrical properties of CrN-coated and Mn/Cu/CrN-coated 430 stainless steel for solid oxide fuel cell metal interconnects
To limit the growth of oxides with low electrical conductivity and to suppress the inter-diffusion of elements between coating and substrate, an additional CrN sublayer is pre-deposited by arc ion plating. The...
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Article
A dynamic range extension system for LHAASO WCDA-1
The main scientific goal of LHAASO-WCDA is to survey gamma-ray sources with energy from 100 GeV to 30 TeV. To observe high-energy shower events, especially to measure the energy spectrum of cosmic rays from 10...
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Article
Line-of-shower trigger method to lower energy threshold for GRB detection using LHAASO-WCDA
Observation of high energy and very high emission from Gamma Ray Bursts (GRBs) is crucial to study the gigantic explosion and the underline processes. With a large field-of-view and almost full duty cycle, the...
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Article
Strain rate sensitivity of a 1.5 GPa nanotwinned steel
Two distinct regimes of strain rate sensitivity on yield strength are found in a high-strength nantwinned steel. The yield strength increases from 1410 to 1776 MPa when the strain rate increases from 10–3 to 1400...
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Article
Open AccessConstruction and on-site performance of the LHAASO WFCTA camera
The focal plane camera is the core component of the Wide Field-of-view Cherenkov/fluorescence Telescope Array (WFCTA) of the Large High-Altitude Air Shower Observatory (LHAASO). Because of the capability of wo...
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Article
TiB2-TiC Reinforced Martensitic Steel Fabricated by Conventional Solidification
A new steel–matrix composite (SMC), consisting of particulate reinforcements of TiB2 and TiC ceramics and the martensite matrix, was investigated. The high strength and high hardness of the present SMC are attrib...
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Article
Ultrahigh-energy photons up to 1.4 petaelectronvolts from 12 γ-ray Galactic sources
The extension of the cosmic-ray spectrum beyond 1 petaelectronvolt (PeV; 1015 electronvolts) indicates the existence of the so-called PeVatrons—cosmic-ray factories that accelerate particles to PeV energies. We n...
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Article
High-Speed Friction Stir Welding of T6-Treated B4Cp/6061Al Composite
T6-treated 20 wt% B4Cp/6061Al sheets were joined under welding speeds of 400–1200 mm/min by friction stir welding (FSW) with a threaded cermet pin. The macro-defect-free FSW joints could be achieved at high weldi...
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Article
A Precise Implementation of Random Access Time Measurement for Embedded SRAM
With the development of semiconductor process technology and circuit design capabilities, operating frequency of random access memory has been improved dramatically. Accurate measurement of embedded memory ran...
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Article
Carbon-Dislocation Interaction-Induced Abnormal Strain-Rate Sensitivity in Twinning-Induced Plasticity Steels
The existence of an abnormal transition in the strain-rate sensitivity of yield stress occurring at the strain rate \(\sim 0.05\) ...
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Article
Rationalizing the Grain Size Dependence of Strength and Strain-Rate Sensitivity of Nanocrystalline fcc Metals
Low strain-rate sensitivity (SRS) of nanocrystalline metals measured by experiments often leads to the claim that grain boundary (GB)-mediated plasticity is insignificant, contrary to molecular dynamics simula...
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Chapter and Conference Paper
Friction Drag Reduction Mechanism Under DBD Plasma Control
This work aims to understand the mechanism behind friction drag reduction in a dielectric barrier discharge (DBD)-plasma-controlled flat-plate turbulent boundary layer (TBL). Streamwise-oriented DBD plasma act...
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Article
Magnetic, Mechanical, and Electronic Properties of RhH x (x = 0, 0.25, 0.75, 1) from First-Principles Calculations
The magnetic, mechanical, and electronic properties of RhH x (x = 0, 0.25, 0.75, 1) have been investigated by first-principles calculations based on density functional theory. I...
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Article
Analytical Study of the Mechanical Behavior of Fully Grouted Bolts in Bedding Rock Slopes
Bolting is widely used as a reinforcement means for rock slopes. The support force of a fully grouted bolt is often provided by the combination of the axial and shear forces acting at the cross section of the ...
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Article
Columnar and Equiaxed Solidification of Al-7 wt.% Si Alloys in Reduced Gravity in the Framework of the CETSOL Project
During casting, often a dendritic microstructure is formed, resulting in a columnar or an equiaxed grain structure, or leading to a transition from columnar to equiaxed growth (CET). The detailed knowledge of ...
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Article
Growth Mechanism of Primary and Eutectic TiB2 Particles in a Hypereutectic Steel Matrix Composite
The growth mechanism of primary and eutectic TiB2 particles in a hypereutectic steel matrix composite (SMC) has been investigated by combining microstructure and crystallographic analysis in the present work. It ...
