Results 11 to 20 of about 29,272 (291)

Evaluation of Mechanical Properties of Homogeneous and layering Particleboards by Ultrasonic Technique [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2015
The aim of present study was to determine the relationship between ultrasonic wave velocity and mechanical properties of particleboard panels. For this purpose, homogenous and layering particleboards were made by 0/7 g/cm3 density and 16 mm thickness ...
Mohsen Saffari   +3 more
doaj   +1 more source

Enhancement of tensile performance of concrete by using synthetic polypropylene fibers

open access: yesPrzegląd Naukowy Inżynieria i Kształtowanie Środowiska, 2023
The research attempted to investigate the effect of polypropylene fibers (PP fibers) on the mechanical characteristics of concrete. According to ASTM C39/C39M and ASTM C 1609/C1609M, standard testing methods were used to examine the concrete compressive
Thunyawee Jienmaneechotchai   +4 more
doaj   +1 more source

Shear yield strength, modulus of rigidity, and modulus of rupture of nodular cast iron on Magnesium Addition

open access: yesInternational Journal of Emerging Trends in Engineering Research, 2020
The purpose of this study was to investigate the effect of magnesium addition on shear yield strength, rupture modulus and rigidity modulus of nodular cast iron. Magnesium addition was carried out in the form of FeSiMg alloys.
A. Darmawan
semanticscholar   +1 more source

INCREASED MOE AND MOR VALUES OF DENSIFIED BOARDS USING MOE/MOR AND MOR/MOE RATIOS

open access: yesRussian Journal of Agricultural and Socio-Economic Sciences, 2021
Densification is one of the effective techniques for improving the strength of low wood density. This technique is the process of pressing wood so that it increases in volume but decreases in density.
Iskandar   +3 more
doaj   +1 more source

The use of black liquor and nano-graphene oxide in urea formaldehyde adhesive to improve the mechanical and physical properties of particleboard [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2017
The aim of this research is the possibility of using black liqour and nano Graphene oxide (GO) for making three-layer particle board. In this study, the amount of black liqour was as 0, 10, 20 and 30 percent and Graphene oxide was 0, 0.25 and 0.5 percent
Mostafa Yahyavi   +2 more
doaj   +1 more source

PAPAN GYPSUM DARI SERBUK KAYU DAN SENYAWA BOR TERHADAP SIFAT MEKANIK DAN UJI BAKAR

open access: yesJurnal Riset Industri Hasil Hutan, 2012
The using saw dust Lua, Kambang, Tarap wood and addition of boron solution on Modulus of Rupture (MOR), Modulus of Elasticity (MOE) and the fire  resistant gypsum boar.
Djoko Purwanto
doaj   +1 more source

The Mechanics Properties of Self-Compacting Concrete Using Red-Tile Waste as Substitution of Fine Aggregates

open access: yesMedia Komunikasi Teknik Sipil, 2017
This paper presents the experimental program about the mechanics properties of Self-Compacting Concrete (SCC) using red-tile waste as substitution of fine aggregates.
Crezensia Alfiora Deadema Dias Octobenita   +1 more
doaj   +1 more source

Particle boards produced from cassava stalks: Evaluation of physical and mechanical properties

open access: yesSouth African Journal of Science, 2015
We investigated the potential use of cassava stalks for the production of bonded particle boards. Particle boards were produced from cassava stalks using urea-formaldehyde as a binder.
Felix A. Aisien A. Aisien   +2 more
doaj   +1 more source

PREDICTION OF MECHANICAL PROPERTIES - MODULUS OF RUPTURE AND MODULUS OF ELASTICITY - OF FIVE TROPICAL SPECIES BY NONDESTRUCTIVE METHODS

open access: yes, 2015
This paper analyzes the usability of different dynamic moduli of elasticity and wood density for the prediction of mechanical properties – static modulus of elasticity and modulus of rupture – in samples with grain deflection from the longitudinal ...
J. Baar, J. Tippner, P. Rademacher
semanticscholar   +1 more source

Properties of High Performance Self Compacting Concrete Continuously Exposed in Oil Products [PDF]

open access: yesEngineering and Technology Journal, 2014
Self compacted concrete (SCC) is a new generation of concrete. Its behavior after exposure to oil products is still unknown. This investigation includes producing SCC and investigate its properties after different exposure periods (28,60,90,120,150 and ...
Shaker A. Al-Mashhadany   +2 more
doaj   +1 more source

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