Results 1 to 10 of about 47,796 (203)

Enhancement of Tech-Sil25 Maxillofacial Silicone Mechanical Properties after Artificial Weathering through Addition of Nanoparticles [PDF]

open access: yesInternational Journal of Dentistry, 2022
Purpose. To evaluate the effect of nanosilica and nanoalumina addition in Tech-sil25 maxillofacial silicone before and after exposure to artificial weathering conditions. Materials and Methods.
Shahad Fadhil Bunyan   +4 more
doaj   +2 more sources

Artificial weathering of granite

open access: yesMateriales de Construccion, 2008
This article summarizes a series of artificial weathering tests run on granite designed to: simulate the action of weathering agents on buildings and identify the underlying mechanisms, determine the salt resistance of different types of rock; evaluate ...
T. Rivas Brea   +2 more
doaj   +4 more sources

Esterified Lignin from Construction and Demolition Waste (CDW) as a Versatile Additive for Polylactic‐Acid (PLA) Composites—The Effect of Artificial Weathering on its Performance [PDF]

open access: yesGlobal Challenges, 2022
Demand for sustainable packaging and building materials has increased the need for biobased additives. Biocomposites can often be exposed to different weather conditions and UV irradiation. Thus, additives to prevent the negative impact of weathering are
Ikenna Anugwom   +5 more
doaj   +2 more sources

Effects of thermal treatment and weathering in the resistance against termites of a fast-growing pine wood

open access: yesMaderas: Ciencia y Tecnología, 2023
Considering the limited existing literature on the combined effects of thermal treatment and weathering on the resistance of fast-growing pine wood to subterranean termites, this work deals with the resistance against subterranean termites of a ...
Ricardo Ripoll de Medeiros   +5 more
doaj   +3 more sources

INFLUENCE OF REINFORCEMENT ON WOOD TENSILE STRENGTH SUBMITTED TO WEATHERING

open access: yesRevista Árvore, 2021
Wood is an important building material used in roof structures, bridges, viaducts, and pedestrian bridges. In order to improve its use, as well as rehabilitate structural parts deteriorated by weathering, reinforcement of beams and columns with composite
Giovana Gobatto Balanco   +5 more
doaj   +1 more source

Effect of Artificial Ageing on Adhesive Bonds from Heat Treated Spruce

open access: yesDrvna Industrija, 2021
The influence of artificial ageing on bonded heat-treated spruce lamellas was investigated. Heat-treated spruce lamellas with different degrees of thermal modification were bonded with PVAc and MUF and then exposed to 500 artificial weathering cycles ...
Mirko Kariz   +2 more
doaj   +1 more source

Effect of multi-functional epoxy chain extender on the weathering resistance performance of Poly(butylene adipate-co-terephthalate) (PBAT)

open access: yesPolymer Testing, 2021
In this research work, both natural weathering and artificial weathering processes were carried out to investigate the effects of multi-functional epoxy chain extender (Joncryl ADR 4370) content on the degradation and the mechanical properties and ...
Duo Tang, Caili Zhang, Yunxuan Weng
doaj   +1 more source

EFFECT OF ARTIFICIAL WEATHERING ON PHYSICAL AND MECHANICAL PROPERTIES OF WOOD

open access: yesRevista Árvore, 2021
When wood is exposed outdoors, a combination of chemical and mechanical factors and solar radiation contribute to what is described as weathering, being the main degradation agent in this environment.
Vinicius Borges de Moura Aquino   +6 more
doaj   +1 more source

Investigation effect of Weathering on Acetylated Beech Wood by FTIR Spectroscopy and Electron Microscopic [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2010
In this study acetylated Beech wood (Fagus orientalis Lipsky) has been subjected to a variety of artificial weathering conditions in different of times (0,150&300 h), then wood surface was analyzed for chemical changes using Fourier Transform Infrared ...
Maliheh Akhtari, Mehdi Arefkhani
doaj   +1 more source

Predicting the Weathering Time by the Empty Puparium of Sarcophaga peregrina (Diptera: Sarcophagidae) with the ANN Models

open access: yesInsects, 2022
Empty puparium are frequently collected at crime scenes and may provide valuable evidence in cases with a long postmortem interval (PMI). Here, we collected the puparium of Sarcophaga peregrina (Diptera: Sarcophagidae) (Robineau-Desvoidy, 1830) for 120 ...
Xiangyan Zhang   +6 more
doaj   +1 more source

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