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3241
Briquetting of subbituminous coal and torrefied biomass using bentonite as inorganic binder
Published 2022-05-01“…The reactivity index (RI), proximate, ultimate and calorific values analyses were assessed based on different ASTM standards. Microstructural studies and elemental mapping were carried out using scanning electron microscope equipped with EDS and electron probe microanalyzer. …”
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3242
Corrosion of aircraft heritage: a comparison between modern and historic Duralumin alloys
Published 2024-01-01“…In order to assess the representativeness of these modern alloys in simulating the corrosion behaviour of the historic ones, exfoliation susceptibility (ASTM G34) as well as non-destructive and destructive electrochemical tests in 0.1 M NaCl were carried out on both historic and modern alloys. …”
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3243
Compósitos de polipropileno e fibras curtas de sílica
Published 2012-04-01“…Todos os compósitos foram preparados por processos de extrusão e moldagem por injeção, sendo suas propriedades mecânicas avaliadas por ensaios mecânicos de tração, segundo a norma ASTM D 268, utilizando-se um planejamento fatorial fracionário 25-1. …”
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3244
Grain Refinement of Inconel 718 Superalloy—The Effect of Rotating Magnetic Field
Published 2022-03-01“…The average grain size of the samples was determined according to the ASTM E112-13 standard, using intercept methods. Macro hardness measurements, tensile testing and SEM-EDS analysis were conducted in order to evaluate the casting’s mechanical properties and microstructures. …”
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3245
Recovering Apple Agro-Industrial Waste for Bioethanol and Vinasse Joint Production: Screening the Potential of Chile
Published 2021-09-01“…This high purity, which fulfills the EN 15376, ASTM D 4806 Standard, allows its use as a fuel and oil additive. …”
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3246
Biodiesel Production from Waste Plant Oil over a Novel Nano-Catalyst of Li-TiO<sub>2</sub>/Feldspar
Published 2023-01-01“…Fuel properties such as iodine value (AV), cetane number (CN), cloud point (CP), iodine value (IV), pour point (PP) and density were within the ranges specified in ASTM D6751.…”
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3247
Finite element modelling of thin intermetallic compound layer fractures
Published 2017-03-01“…Thus, this paper aims to determine the accuracy of IMC layer models subjected to crack-to-width length ratio (a/W) in correlation with the ASTM E399-83 Srawley compact specimen model using finite element (FE) analysis. …”
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3248
Energy consumption versus strength in MEΧ 3D printing of polylactic acid
Published 2023-05-01“…Each experimental run included five specimen replicas (after the ASTM D695-02a standard) summing up 135 experiments. …”
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3249
Assessment of the suitability of biodegradable rods for use in posterior lumbar fusion: An in-vitro biomechanical evaluation and finite element analysis.
Published 2017-01-01“…A 3-point bending test was performed on the biodegradable rods and a dynamic bending test was performed on the spinal fixators according to ASTM F1717-11a. The finite element simulation showed that lumbar spinal fusion using biodegradable implants had a similar ROM at the fusion level as at adjacent levels. …”
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3250
Characterization and Evaluation of Composite Biomaterial Bioactive Glass–Polylactic Acid for Bone Tissue Engineering Applications
Published 2022-07-01“…The structure and morphology of the resulting scaffolds were analysed by FTIR, XRD, SEM, and under ASTM F1635 standard characterizations. The results confirmed that BG promotes the formation of a hydroxy-carbonated apatite (HAp) layer on composites when immersed in simulated body fluid (SBF). …”
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3251
Implications of the Use of Biodiesel on the Longevity and Operation of Particle Filters
Published 2022-10-01“…Na + K and Ca + Mg (also biodiesel production byproducts) are regulated by ASTM-D6751 standards (American Society for Testing and Materials) to be less than 5 ppm for B100; however, the literature gives examples of physical and chemical degradation of automotive emissions catalysts and their substrates with these Na and K residuals. …”
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3252
Lubricity Properties of Palm Oil Biodiesel Blends with Petroleum Diesel and Hydrogenated Vegetable Oil
Published 2023-04-01“…In this study, binary blends of palm oil biodiesel (POB) with commercial petroleum diesel fuel (DF) and HVO at every 10%-<i>v</i>/<i>v</i> blend point were analyzed using a high-frequency reciprocating rig (HFRR) according to the standard method of ASTM D6079. It was found that the addition of POB successfully improved the lubricating properties of DF-CN48 and DF-CN51 and efficiently acted as a lubricity improver that showed a minimum friction coefficient and improved the specific wear rate. …”
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3253
Assessing Vehicle Wandering Effects on the Accuracy of Weigh-in-Motion Measurement Based on In-Pavement Fiber Bragg Sensors through a Hybrid Sensor-Camera System
Published 2023-10-01“…The field testing results indicate that by using the hybrid system, the wheel load detection accuracy of the WIM system based on GFRP-FBG sensors can be controlled to be a Type I or Type III WIM according to the ASTM 1318E-09 standard, with an average accuracy ranging from 87.83% to 94.65%. …”
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3254
Development of an Amorphous Silica from Rice Husk Waste
Published 2017-12-01“…Through EDS and XRD, it has been found that that the extracted Rice Husk Ash at the temperature of 800oC for 2hr is rich in amorphous SiO2 content, i.e. 91.74% which meets the requirements of ASTM 618-03 for a pozzolanic material.…”
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3255
Production and evaluation of activated carbon from Saudi Arabian _Acacia Tortilis_ tree bark by microwave and low temperature activation process
Published 2023-12-01“…Characterization of the activated carbons were performed by proximate analysis adopting ASTM standard procedures. BET-specific surface area, total ash content, bulk density, moisture content, pH, pore volume and iodine number were determined. …”
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3256
Evaluación de las propiedades mecánicas de una mezcla asfáltica en caliente modificada por vía seca con tapas plásticas de polipropileno
Published 2019-09-01“…La mezcla se modificó empleando residuos triturados de tapas plásticas de botellas en tamaño de agregado equivalente al retenido en el tamiz número 8, que de acuerdo a la normativa ASTM es de 2,36 milímetros. Se llevaron a cabo ensayos de estabilidad y flujo Marshall sobre muestras fabricadas con diferentes porcentajes de residuos de polipropileno con un contenido óptimo de betún. …”
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3257
Stabilization and Crystal Characterization of Electric Arc Furnace Oxidizing Slag Modified with Ladle Furnace Slag and Alumina
Published 2020-04-01“…In addition, the expansion test results of the modified oxidizing slag showed almost no expansion, which conforms to the ASTM D2940 standards; thus, this material can be used for preparing paving materials. …”
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3258
اثر تیمار حرارتی با روغن کلزا بر مقاومت به پوسیدگی چوب صنوبر دلتوئیدس
Published 2014-08-01“…برای این منظور نمونههایی از چوب صنوبر با ابعاد 19×19×19 میلیمتر بر طبق استاندارد D 1413 ASTM تهیه شدند. تیمار حرارتی در دمای 180، 200 و220 درجه سانتیگراد و در مدت 2 و 4 ساعت در هوای محیط و روغن کلزا انجام شد. …”
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3259
Impacts of Covid-19 Pandemic on Nigeria’s Economy: Effective Foundry Technology as a Sustainable Solution
Published 2022-03-01“…Thereafter, some mechanical properties with the microstructure of the aluminium casts and that of commercially obtained imported types were examined using appropriate ASTM standards. Cast aluminium alloy produced using scrap had no casting defects and had some mechanical properties comparable to those available on the markets (imported). …”
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3260
Synthesis and Characterization of Calcium Oxide Impregnated on Silica from Duck Egg Shells and Rice Husks as Heterogeneous Catalysts for Biodiesel Synthesis
Published 2023-10-01“…At this molar ratio, 81.4% biodiesel yield was achieved, and it met the quality standards according to ASTM D 6751. …”
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