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Elastic modulus

Shrinkage stress and elastic modulus assessment of bulk-fill composites

Shrinkage stress and elastic modulus assessment of bulk-fill composites

... Shrinkage stress development seems to be slower in bulk-fill composites when compared to conventional resins. This can be observed in Figure 3, in which stress development in bulk-fill composites took longer when ...

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The Measurement of Hardness and Elastic Modulus of non-Metallic Inclusions in Steely Welding Joints

The Measurement of Hardness and Elastic Modulus of non-Metallic Inclusions in Steely Welding Joints

... The plottage of the sample’s surface, which gave us the basis for the evaluation, was equal to 90x90 mkm. The load was equal to 100 kN for each implantation. The results of nano-indentation are the maps, which visualize ...

5

Alternative Method for Determining the Elastic Modulus of Concrete

Alternative Method for Determining the Elastic Modulus of Concrete

... elasticity modulus of concrete, the work of Robert et al [29] was the first to demonstrate excellent correlation between the results obtained for the DIC technique with the results obtained by the traditional ...

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Polímeros  vol.23 número3

Polímeros vol.23 número3

... and elastic modulus increase at the surface due to UVA radiation that attributed to crosslinking and ...and elastic modulus decreases for high penetration depths probably due to chain ...

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Rev. odonto ciênc.  vol.26 número2

Rev. odonto ciênc. vol.26 número2

... strength, elastic modulus and lexural strength of these materials have been also evaluated (5-7) due to the direct inluence of composition on mechanical behavior ...strength, elastic modulus ...

5

Mat. Res.  vol.12 número4

Mat. Res. vol.12 número4

... The aim of this work was to study the influence of calcium carbonate nanoparticles in both tensile and impact mechanical properties of a polypropylene homopolymer. Four compositions of PP/CaCO 3 nanocomposites were ...

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Study of Performance of Hybrid yarns (Hemp/ Polypropylene/ Glass) Woven Reinforcements

Study of Performance of Hybrid yarns (Hemp/ Polypropylene/ Glass) Woven Reinforcements

... A one layer composite thickness is 0.34mm and density 311 g/m 2 (Fig. 1c, Table 3), same parameters of two layers composite is 0.59 mm and 608 g/m 2 . For two layers composite the increase of tensile strength was 1.9 ...

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Braz. J. Oral Sci.  vol.12 número4

Braz. J. Oral Sci. vol.12 número4

... (3M/ESPE). Elastic modulus (EM) and flexural strength (FS) were determined by three-point bending of specimens immersed or not in absolute ethanol for seven ...

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Dynamical Elastic Moduli of the Ti-13Nb-13Zr biomaterial alloy by mechanical spectroscopy

Dynamical Elastic Moduli of the Ti-13Nb-13Zr biomaterial alloy by mechanical spectroscopy

... and elastic modulus as function of the temperature, obtained by mechanical spectroscopy from the flexural vibration of the fundamental mode of Ti-13Nb-13Zr alloy samples submitted to heat treatment of 1170 ...

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Mat. Res.  vol.19 número1

Mat. Res. vol.19 número1

... This work proposed the biotreatment of ibers aiming at direct application for composite materials. Pre-treatment with fungi permitted easy removal of other components from sugarcane bagasse by a pulping process with ...

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Mat. Res.  vol.18 suppl.2

Mat. Res. vol.18 suppl.2

... The results obtained from mechanical characterization showed that the UV7 ibers presented signiicant improvement in tensile strength (89.77 MPa) and elastic modulus (238.94 MPa) as compared to tensile ...

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Mat. Res.  vol.18 suppl.2

Mat. Res. vol.18 suppl.2

... 40. Pereira AC, Inacio WP, Margem FM and Monteiro SN. Effect of the fiber equivalent diameter on the elastic modulus and density of sisal fibers. In: Hwang J-Y, Monteiro SN, Bai C, Carpenter JS, Cai M, ...

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Matéria (Rio J.)  vol.18 número4

Matéria (Rio J.) vol.18 número4

... This study focused on the influence of high temperature exposure on PVA fibers behaviour. The fibers were investigated after being subjected to temperatures up to 250°C in terms of residual mechanical properties, such as ...

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Braz. J. Phys.  vol.34 número4B

Braz. J. Phys. vol.34 número4B

... After ion implantation, the surface morphology of the samples was examined using optical microscopy. The struc- tural changes of polymer surface were analyzed through micro-Raman spectroscopy (Renishaw2000) with 514.5 nm ...

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Mat. Res.  vol.20 número6

Mat. Res. vol.20 número6

... Approximately thousand years ago it was reported the use of mandibles of ants for suture. In this sense, bioinspired components, as absorbable surgical clamps, can be designed. This study is aimed to characterize the ...

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Braz. J. Phys.  vol.38 número3A

Braz. J. Phys. vol.38 número3A

... The mechanical properties measured and then employed to calculate the indentation fracture toughness for the ab-plane according to equation (1) are shown in table I. The Ag ad- dition decreases the Vickers hardness, ...

5

Lat. Am. j. solids struct.  vol.14 número4

Lat. Am. j. solids struct. vol.14 número4

... For the SHPB system used in this study, the lengths of the striker bar, incident bar, and transmitted bar are 400, 1400, and 1000 mm, respectively. The wave velocity of the bars is 5172m/s and the elastic ...

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Mat. Res.  vol.20 número6

Mat. Res. vol.20 número6

... nanocomposites' elastic modulus which is compared with Halpin-Tsai and Lewis-Nielsen models as well as with experimental measurements taken from uniaxial tensile ...the elastic modulus values ...

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Lat. Am. j. solids struct.  vol.12 número9

Lat. Am. j. solids struct. vol.12 número9

... surface elastic m”dulus, residual surface stress and small scale parameter of the nonlocal ...Y”u“g’s modulus and the size of the nanoplate affects various sensitivities in different ...surface ...

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Matéria (Rio J.)  vol.20 número1

Matéria (Rio J.) vol.20 número1

... Nanomechanical properties (hardness and elastic modulus) were analyzed at depths near the surface using a diamond indenter (Berkovich). Loads of 400 mN were used. Nanoscratch tests were carried out using ...

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