Results 41 to 50 of about 5,068,900 (201)

Effects of weathering on mechanical and morphological properties cork filled green polyethylene eco-composites [PDF]

open access: yesPolímeros, 2020
This study aims to evaluate the effects of natural weathering in the city of Teresina, State of Piauí, Brazil, on the morphology and mechanical properties of eco-composites based on high-density green polyethylene, powdered cork and compatibilizer ...
Gabriela Celso Melo Soares de Vasconcelos   +4 more
doaj   +1 more source

Investigation on effect of acetylation and antioxidant on weathering resistance of wood/HDPE composite [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2012
To investigate the effect of acetylation and antioxidant  separately and together on discoloration and contact angle wood plastic composite due to weathering , composite s were made using popular wood flour and high density polyethylene . the sample were
Neda Moradpour   +2 more
doaj   +1 more source

Mineralogical Transformation and Electrochemical Nature of Magnesium-Rich Primers during Natural Weathering

open access: yesMetals, 2014
Magnesium-rich primers (MgRP) have generated great interest as a promising alternative to chromium-based primers for the protection of aluminum substrates but their performance during exterior exposure has not been well documented.
Shashi S. Pathak   +3 more
doaj   +1 more source

Characteristics of interactions between black shale and water [PDF]

open access: yesE3S Web of Conferences, 2019
Some geological engineering problems are caused by weathering of black shale within dispersed sulfide minerals (mainly pyrite), in which some weathering products such as acid water and expansive sulfates play an important role.
Liao Xin   +5 more
doaj   +1 more source

Ultraviolet Light and Natural Weathering vs. the Compression Strength of Laminated Wood

open access: yesBioResources, 2023
Effects of protective measures were evaluated relative to the compression strength in the direction parallel to the grain of laminated veneer wood (LVL).
Şemsettin Doruk
doaj   +2 more sources

The Influence of Recycled ABS Weight Fraction and OneMonth Natural Weathering on the Mechanical, Physical, and Thermal Properties of Acrylonitrile Butadiene Styrene (ABS)

open access: yesJournal of Applied Science and Engineering
Acrylonitrile butadiene styrene (ABS) is widely used in various industries, generating significant post-industrial waste. Mechanical recycling and outdoor exposure are both known to degrade ABS; however, their combined effects under natural conditions ...
Sularman Sularman   +2 more
doaj   +1 more source

Effect of Natural Weathering on Performance of Wood Flour-Recycled Polypropylene Composites

open access: yesDrvna Industrija
In this study, the effect of natural weathering on the physical and mechanical properties of wood plastic composites (WPC) made from virgin and recycled polypropylene (PP) was studied.
Saeed Kazemi Najafi   +2 more
doaj   +1 more source

Methods applied in determining the variations of strength and structure of plutonic rock material exposed to artificial weathering treatment [PDF]

open access: yesBulletin of the Geological Society of Finland, 1993
In this study the most significant factors determining the weathering of natural rock material proved to be the water saturation of the samples and the chemical composition of the pore water.
P. Ihalainen
doaj   +1 more source

A review of theoretical salt weathering studies for stone heritage

open access: yesProgress in Earth and Planetary Science, 2021
Salt weathering can cause substantial deterioration of natural rocks, building stones, masonry materials, monuments, and engineering structures. Nearly two centuries of salt weathering studies, both theoretically and empirically, have manifested its ...
Chiaki T. Oguchi, Swe Yu
doaj   +1 more source

The Effect of Weathering Conditions in Combination with Natural Phenomena/Disasters on Microplastics’ Transport from Aquatic Environments to Agricultural Soils

open access: yesMicroplastics
Concern over microplastics (MPs) in the environment is rising. Microplastics are generally known to exist in aquatic settings, but less is known about their occurrence in soil ecosystems.
Maria-Paraskevi Belioka, D. Achilias
semanticscholar   +1 more source

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