Results 281 to 290 of about 470,496 (337)

Flexural Modulus of Symmetric and Asymmetric Structural Foams

Journal of Cellular Plastics, 2009
In this work, the preparation and characterization of symmetric and asymmetric structural foams is presented. Using low-density polyethylene and modified azodicarbonamide, a compression molding technique is presented to produce structural foams while controlling the skin thickness on both sides.
Xiaoyuan Chen, Denis Rodrigue
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Flexural strength and modulus of a step‐cured resin composite

Acta Odontologica Scandinavica, 2004
In an attempt to reduce marginal contraction gaps, a step-curing mode of light polymerization of resin composite has been proposed. It was hypothesized that such an exposure mode, having an initial reduced curing rate, would result in composite having a lower modulus of elasticity than composite exposed in one step.
Asmussen, E., Peutzfeldt, A.
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Determination of the flexural modulus of elasticity of orthodontic archwires

Dental Materials, 2010
To design a protocol for the determination of the flexural modulus of elasticity of wire with high accuracy and precision.Cantilever bending was used at long span and low loads, using a laser displacement sensor. Various wires were tested for proof-of-concept: stainless steel, Elgiloy, Wiptam and a gold alloy, with primary attention being paid to the ...
Kun, Tian, Brian W, Darvell
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Invitro evaluation of flexural strength and flexural modulus of elasticity of different composite restoratives

Journal of Conservative Dentistry, 2006
Background & Objectives : The aim of the study was to evaluate the flexural strength and flexural modulus o f five commercially available composites namely Fetric Ceram (Hybrid), Filtek P-60 (Packable), Dyract (Compomer), Filtek Flow (Flowable) and Admira (Ormocer). after aging in water.
G Satish, MohanThomas Nainan
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Comparison between flexural and tensile modulus of fibre composites

Fibre Science and Technology, 1984
Abstract The difference between flexural and tensile Young's modulus, as experienced experimentally, is analysed theoretically. It can be explained by large shear deformation and a heterogeneous section, making the formulae from elementary bending of beams incorrect.
Göran Tolf, Per Clarin
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The flexural modulus of misaligned short-fiber-reinforced polymers

Composites Science and Technology, 1999
An analytical method has been presented in this study to predict the flexural modulus of misaligned short-fiber-reinforced polymers (SFRP) by taking into account the effects of fiber-length and fiber orientation distributions. The fiber-length distribution (FLD) and the fiber-orientation distribution (FOD) were modelled by using two probability density
Shao-Yun Fu, Xiao Hu, Chee-Yoon Yue
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Apparent Flexural Modulus and Strength of Multimodulus Materials

Journal of Composite Materials, 1976
The ASTM flexure test is commonly used to measure the flexural modulus and flexural strength of materials other than the plastics for which it was originally developed. The officially designated equations for reporting the test results are applicable only to materials that are linear elastic to failure.
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Flatwise Young’s modulus and flatwise shear modulus of plywood measured by flexural vibration test

hfsg, 2013
Abstract The flatwise Young’s modulus and the flatwise shear modulus of 3-, 5-, and 7-ply plywoods made of Lauan (Shorea sp.) veneers have been determined by conducting flexural vibration tests with various specimen lengths and by finite element analysis.
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Flexural Modulus Of Polyester Resin/ Miscanthus×Giganteus Biocomposites

2016
In this paper polyester-based biocomposites with different amount, with and without hot-water pretreatment, as well as particle size of Miscanthus × giganteus were prepared. Mor-phology of prepared biocomposites was analyzed by means of scanning electron microscopy (SEM).
Žmak, Irena, Vurnek, Vjekoslav, Šundrica, Jadran   +2 more
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Young's Modulus of Elasticity of Ceramic Materials by Flexure

Transactions of the Indian Ceramic Society, 1952
AbstractThe study of the effect of several variables affecting the determination of E-modulus by flexure was undertaken in order to remove the inadequacy of the testing procedure, and to gain a more intimate knowledge of their significance. The diameter, span-depth ratio, heat treatment, porosity, bulk density etc.
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