Results 61 to 70 of about 13,367,432 (261)

Enhancement of the Through‐Thickness Electrical Conductivity of Carbon‐Fiber‐Reinforced Plastics Using Large Graphite Particles

open access: yesAdvanced Engineering Materials, EarlyView.
To enhance through‐thickness conductivity without sacrificing impregnation, large spherical graphite particles are intentionally employed in a low‐viscosity resin. Unlike finer conductive fillers, these particles remain outside the fiber bundles and accumulate in resin‐rich interlaminar regions during molding.
Keito Hosoe   +6 more
wiley   +1 more source

Image Hiding Scheme Using Modulus Function and Optimal Substitution Table [PDF]

open access: yes, 2010
[[abstract]]The simple least-significant-bit (LSB) substitution technique is the easiest way to embed secret data in the host image. To avoid image degradation of the simple LSB substitution technique, Wang et al. proposed a method using the substitution
Chin-Chen Chang ; Chi-Shiang Chan
core  

A Correction Method of Elastic Modulus in Compression Tests for Linear Hardening Materials

open access: yes, 2015
A correction method for linear hardening materials is brought forward to obtain the true (or nearly true) modulus of cylindrical specimens with middle aspect ratios in compression tests.
Liu W(刘薇)   +4 more
core   +1 more source

Modulus method and radial stretch map in the Heisenberg group [PDF]

open access: yes, 2013
We develop a modulus method for surface families inside a domain in the Heisenberg group and we prove that the stretch map between two Heisenberg spherical rings is a minimiser for the mean distortion among the class of contact quasiconformal maps ...
Platis, Ioannis D.   +5 more
core   +3 more sources

Using The Ultrasonic Waves For Studying Thermal And Elastic Properties as a Function of Porosity in Sintered ceramic

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2017
Ultrasonic pulse echo measurements on porous alumina as ceramic material with porosities ranging from (20-40)% showed effect of volume fraction of porosity on both thermal and elastic properties. A quadratic relationships, by using a least squares
M.A-N. AL-Nesearawi
doaj  

Laser‐Induced Graphene from Waste Almond Shells

open access: yesAdvanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova   +9 more
wiley   +1 more source

Image Hiding Scheme Using Modulus Function and Optimal Substitution Table [PDF]

open access: yes, 2009
[[abstract]]The simple least-significant-bit (LSB) substitution technique is the easiest way to embed secret data in the host image. To avoid image degradation of the simple LSB substitution technique, Wang et al. proposed a method using the substitution
Chan, C. S. ; Chang, C. C. ; Hu, Y. C.
core  

Counterion Dependent Side‐Chain Relaxation Stiffens a Chemically Doped Thienothiophene Copolymer

open access: yesAdvanced Functional Materials, EarlyView.
Oxidation of a thienothiophene copolymer, p(g3TT‐T2), via different doping strategies and dopant molecules resulted in materials with similar oxidation levels and a high electrical conductivity of ≈100 S cm−1. However, mechanical properties varied significantly, with sub‐glass transition temperatures and elastic moduli spanning from –44°C to –3°C and ...
Mariavittoria Craighero   +12 more
wiley   +1 more source

A Study on Accelerated Thermal Aging of High Modulus Carbon/Epoxy Composite Material

open access: yesMATEC Web of Conferences, 2015
Composite materials have been used increasingly for various space applications due to the favorable characteristic of high modulus to density ratio and potential for near-zero coefficient of thermal expansion.
Ju Min Kyung, Choi Ji-Ung, Lee Ho-Sung
doaj   +1 more source

Shear and longitudinal modulus of elasticity in Corymbia citriodora round timber beams

open access: yesVértices, 2013
This study aimed to evaluate, with the support of the three points static bending test, led nondestructively, the values of the shear (G) and longitudinal (E) modulus of elasticity in Corymbia citriodora structural round timber beams in order to verify ...
André Luiz Zangiácomo   +2 more
doaj   +1 more source

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