Results 21 to 30 of about 109,081 (295)

Wear Resistance Mechanism of ZTAP/HCCI Composites with a Honeycomb Structure

open access: yesMetals, 2018
The abrasive wear resistance of zirconia toughened alumina (ZTA) ceramic particle reinforced high chromium cast iron (HCCI) composites has been systematically investigated using a moving wedge type of apparatus.
Mojin Zhou   +3 more
doaj   +1 more source

Mechanical modeling of bending stiffness degradation for soft-honeycomb sandwich structure under CW laser heating

open access: yesAIP Advances, 2020
Based on the theory of Reissner’s sandwich structure bending, a mechanical model of bending stiffness degradation for a soft-honeycomb sandwich structure under continuous wave (CW) laser heating was established by introducing the equivalent debonding ...
Jiawei Wang   +5 more
doaj   +1 more source

Study on out-of-plane impact performance of self-similar hierarchical quasi-honeycomb

open access: yesJournal of Hebei University of Science and Technology, 2022
In order to improve the crush resistance of the traditional hexagonal honeycomb structures,based on the principle of bionics and considering the influence of hierarchical factors,a self-similar hierarchical quasi-honeycomb structure was proposed on the ...
Xiang LI   +3 more
doaj   +1 more source

Research on composite material repair technology for perforated damage of aluminum honeycomb sandwich structure

open access: yesHangkong gongcheng jinzhan, 2023
The high efficiency and low cost repair of perforation damage of aluminum honeycomb sandwich structure is of great significance to ensure the integrity of aviation equipment. A composite carbon fiber wet patch bonding repair process is proposed for metal
JI Guoliang, XUE Xiao, LIU Wenhao
doaj   +1 more source

Elastic and plastic deformation of graphene, silicene, and boron nitride honeycomb nanoribbons under uniaxial tension: A first-principles density-functional theory study [PDF]

open access: yes, 2010
This study of elastic and plastic deformation of graphene, silicene, and boron nitride (BN) honeycomb nanoribbons under uniaxial tension determines their elastic constants and reveals interesting features. In the course of stretching in the elastic range,
Ciraci, Salim, Topsakal, Mehmet
core   +2 more sources

Study on the Energy Absorption Characteristics of Different Composite Honeycomb Sandwich Structures under Impact Energy

open access: yesApplied Sciences
A honeycomb structure is a sandwich structure widely used in fuselage, among which the hexagonal honeycomb core is the most widely used. The energy absorption characteristics and impedance ability of the structure are the main reasons that directly ...
Bianhong Chang   +2 more
doaj   +1 more source

Superconductivity in the Honeycomb-Lattice Pnictide SrPtAs

open access: yes, 2011
We report superconductivity in the honeycomb-lattice pnictide SrPtAs with Tc = 2.4 K. To our knowledge, SrPtAs is the first superconducting pnictide with a honeycomb lattice structure.
Kudo, Kazutaka   +2 more
core   +1 more source

Experimental study of sandwich structures as armour against medium-velocity impacts [PDF]

open access: yes, 2013
An experimental impact study has been conducted on sandwich structures to identify and improve armour solutions for aeronautical applications. The objectives are to find the best configurations, i.e. the non-perforated targets with the minimal weight and
Bouvet, Christophe   +2 more
core   +3 more sources

The Exact Solution of the Bending Moment in the Folding Process of Negative Poisson’s Ratio Honeycomb Tape Spring and Multi-Objective Optimization Design

open access: yesAerospace, 2023
The tape spring is a crucial component used in the deployment mechanism of spacecraft, and the lightweight design of the deployment mechanism is currently one of the critical issues that need to be addressed.
Yang Yang, Fan Wang, Jieshan Liu
doaj   +1 more source

Hidden symmetry and protection of Dirac points on the honeycomb lattice

open access: yes, 2014
The honeycomb lattice possesses a novel energy band structure, which is characterized by two distinct Dirac points in the Brillouin zone, dominating most of the physical properties of the honeycomb structure materials. However, up till now, the origin of
Chen, Wei, Hou, Jing-Min
core   +1 more source

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