Results 1 to 10 of about 6,168,630 (293)

Microstructural, chemical, thermal, and mechanical characteristics of sustainable geopolymers with gypsum waste incorporations

open access: yesNext Materials
This work investigated the incorporation of gypsum waste (GW) into metakaolin (MK)-based geopolymers, aiming to develop sustainable solutions for the construction sector.
M.T.G. Souza   +4 more
doaj   +1 more source

Analysis of Scoring Resistance on Coated Spur Gears by Considering Surface Roughness

open access: yesHittite Journal of Science and Engineering, 2017
W ith the rise of velocity and momentum in machines as a result of technological developments, on gears, alongside refraction from the bottom of the gears and pitting formation, and scoring formation has showed up.
Mert Safak Tunalioglu, Nihat Gemalmayan
doaj   +1 more source

Ecological mortars produced from sustainable hydrated lime obtained from biomass ash

open access: yesNext Sustainability
Sustainable hydrated lime is produced from biomass ash rich in calcium carbonate, with properties similar to industrial hydrated lime. However, there is a lack of current and relevant research on sustainability related to the use of alternative limestone,
J.F.V. Marinho   +4 more
doaj   +1 more source

The effect of various nickel oxide ratios on the color and reflectivity of PY53 nickel-titanate yellow pigment

open access: yesResults in Chemistry, 2022
Complex inorganic nickel-titanate PY53 yellow pigments with a high thermal solar reflectance were synthesized. Four different compositions were made with increasing nickel oxide (NiO) ratios, with Sb2 O3 and TiO2 as the fixed components.
Emre Aslan   +5 more
doaj   +1 more source

Levan in the developing of new colon-specific polymer material: evaluation of the permeability, moisture and thermal analyses in free films of Eudragit® FS 30 D - doi 10.4025/actascihealthsci.v34i2.11729

open access: yesActa Scientiarum. Health Sciences, 2012
Levan was used as agent in the synthesis of new colon-specific polymeric matrix together with Eudragit® FS 30 D. Eudragit® FS 30 D films incorporated with levan were made by casting process and characterized to: water vapour transmission, sweeling index,
Maria Antonia Pedrine Colabone Celligoi   +4 more
doaj   +3 more sources

Influence of Centerline Segregation Region on the Hydrogen Embrittlement Susceptibility of API 5L X80 Pipeline Steels

open access: yesMetals
The influence of the centerline segregation region (CSR) on the hydrogen embrittlement (HE) of two different API 5L X80 pipeline steel plates was investigated.
Mathews Lima dos Santos   +6 more
doaj   +1 more source

A New Study on the Fatigue Properties of SA Weld Joints by Considering the Effects of Welded Bead Shape

open access: yesJournal of Marine Science and Engineering, 2022
Tandem SAW (Submerged Arc Welding) is one welding process that has been applied to maximize the welding productivity at the panel stage in ship building field.
Dongpil Cho   +11 more
doaj   +1 more source

Dataset of PY53 Nickel-Titanate yellow pigments for plastic, enamel and ceramic glaze applications

open access: yesData in Brief, 2023
This dataset shows the change in color tone in plastic (masterbatch), enamel, and ceramic (glaze) colored with PY53 Nickel-Titanate-Pigment calcined with different NiO ratios by solid-state reaction.
Emre Aslan   +5 more
doaj   +1 more source

Research progress in antioxidation and anti-ablation coatings of carbon-based materials: A review

open access: yesResources Chemicals and Materials
Carbon materials (graphite or C/C composites) are widely used in aerospace applications due to their unique performance advantages, including low density, high specific strength and low coefficients of thermal expansion.
Yuan Tian   +3 more
doaj   +1 more source

Research Progress in the Construction Strategy and Application of Superhydrophobic Wood

open access: yesMolecules
Wood serves as a green biomass material with sustainable utilization and environmental friendliness. The modification of wood can be used to obtain superhydrophobic properties and further expand wood’s application range.
Siyu Chang   +3 more
doaj   +1 more source

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