Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 61 for “"Flowability"”.
-
Nanocomposite thermite powders with improved flowability prepared by mechanical milling
… size distributions, particle shapes, and powder flowability. For example, an improved flowability is desired to use these powders as feedstock in additive manufacturing. Arrested reactive milling (ARM) offers a versatile and practical approach for preparing various nanocomposite thermites with …
-
Engineered interfaces controlling the nucleation and flowability of complex fluids
In recent years, surface engineering has enabled remarkable advances in various fields of fluid mechanics. High mobility of water and even low surface tension fluids was demonstrated using surfaces with engineered chemistry and textures, with driving forces ranging from electrical, magnetic, …
-
ASSESSMENT OF ANTIBACTERIAL EFFECT AND FLOWABILITY OF BIOCERAMIC SEALER MODIFIED WITH BaTiO3 NANOPARTICLES
… sealer in two concentrations (5% and 10%wt). Flowability test was conducted for each type of sealer according to ISO-6876 guidelines. The antibacterial evaluation was performed using an ex-vivo model. Single-rooted extracted teeth were instrumented, and canals were infected with Enterococcus …
-
Sources of Quality Uncertainty in Laser Powder Bed Fusion Metal Additive Manufacturing
… (PSD) on the resulting Ti6Al4V powder’s flowability. More specifically, we showed that the PSDs effect on flowability is not linear, rather the PSD near local high packing densities cause significant reductions in overall dynamic flowability and affect the finalized part’s SLM dynamics. …
-
Experimental and Modeling the Flow Properties of Distillers Dried Grains (DDG) with Varying Soluble Levels and Moisture Contents
… be transported greater distances and alas DDGS flowability is often problematic due to caking and bridging during storage and transportation. This is a major issue faced by the ethanol producers and farmers and needs to be addressed.<br /> To address the flow problem, the key factors affecting …
-
The morphological, flow and failure characteristics of fractionated natural bulk material. Evaluation of flowability of fractionated powdered liquorice using a specially designed flowmeter. The particle morphology was assessed by computer image analysis and the failure properties by shear cell testing.
… study the influence of particle shape on powder flowability. The morphology of the fibrous particulate was investigated by using a Quantimet 720 Image Analyser. The perimeter (P), projected area (A), breadth (B), length (L), horizontal and vertical projected lengths (P V and Pi) and the …
-
Characterization and recyclability of 304L stainless steel powder for use in the selective laser melting process
… 7 iterations, which revealed an improvement in flowability with recycling. The effects of evolving powder properties on the tensile and impact toughness properties were also assessed for capturing possible deterioration in mechanical performance. Due to the improvement in powder flowability …
-
Mechanical integrity and rehydration properties of agglomerated nutritional dairy ingredient powders
… significantly impaired the functionality (i.e., flowability and rehydration) of a range of commercially agglomerated nutritional dairy powders (i.e., whey protein concentrate, fat-filled milk powder and an infant formula powder). In addition, the agglomeration of MPI was researched, focusing on …
-
The post-dehydration processing and the effects on the structural modifications and functionalities of milk protein powders
… consequent effects on the rehydration abilities, flowability and water adsorption are investigated. MPI agglomerated by FB had the more irregular shapes and porous structures. However, densely packed structures of HS granules caused the higher bulk density and lower porosity. Their shapes were …
-
Development of semi-solid alkaline flow battery
… properties, namely stability, conductivity and flowability for high performing suspension electrode for Zn-Ni alkaline battery chemistry. Firstly, we recognized interplay of forces acting on particles in a suspension electrode and designed suspending medium with jammed Carbopol© microgel …
-
Effect of high heat treatment and β-casein-reduction on the rennet coagulation and ripening of Cheddar and Emmental cheeses manufactured from micellar casein concentrate
… addition to the composition, pH, texture, yield, flowability and colour in resultant cheeses were not affected by the whey protein content of the cheesemilk. However, removing whey protein from milk increased the plasmin activity of the cheesemilk formulated therefrom and also increased the level …
-
Particle engineering via surface modification during micronization for pharmaceutical applications
… and dispersion properties. The importance of the flowability of pharmaceutical powders is well-documented in the literature. It is, therefore, important to develop a method that can simultaneously overcome these processing issues and allow for micronizing the API. In this work, dry particle …
-
Engineering of composite pharmaceuticals with improved physicochemical and mechanical properties
… powders are not compressible via DC due to poor flowability, compactibility, compressibility, and the lack of proper elasticity. As such, formulation scientists use granulation techniques to obtain drug and/or excipient agglomerates with suitable compression properties. Due to challenges …
-
Comb Polymer Architecture and Particle Size Effects on the Behavior of Biphasic Nanoparticle Inks for Direct -Write Assembly
… different mean particle sizes exhibit excellent flowability through fine nozzles compared to purely attractive inks, enabling fine-scale printing. These observations provide guidelines for optimizing the composition of biphasic inks for direct-write assembly of fine-scale, 3D structures.
-
A Simulation-Based Approach to the Characterisation of Urban Traffic Network Vulnerability
… network type. The three dimensions; Centrality, Flowability, and Mobility are analyzed through the employment of traffic models. Mesoscopic and microscopic simulations are performed to obtain required data, then used for the construction of the Combined Vulnerability Index (CVI), representing the …
-
Remediation of Abandoned Mines Using Coal Combustion By-products
… AMD- related parameters. Results indicated that flowability and strength of grout are related to the fly ash and free lime contents. High pH, calcium and sulfate concentrations, and low concentrations of iron and aluminum in the leachate indicate that effective encapsulation has taken place.
-
Using untreated and nanobubble-treated potable and wastewater in mortar
… chlorides (brackish and seawater) improved flowability and showed improved early-age strength due to the accelerating hydration effects given by chloride; however, these mixtures are at high risk for reinforcement corrosion. Sugar-contaminated water significantly retarded early-age …
-
Innovative processing strategies for the development of highly-dispersible, protein-enriched dairy powders
… influenced bulk powder (e.g., density and flowability) and rehydration properties, with results generally improving as protein content decreased to 40-55% (w/w). Heat treatment of liquid MPC prior to spray drying demonstrated that thermal processing (≥100 °C for 30 s) significantly …
-
Principles and applications of mechanical dry coating - review and state-of-the-art
… investment. Composite particulates with enhanced flowability, high-temperature resistant properties, and modified dissolution characteristics have found its applications in pharmaceuticals, food and agriculture, electrical and automobile sector, cosmetics, ceramics and so on. Besides the Japanese …
-
The effects of Visual Stability Index (VSI) on fresh segregation of self consolidating concrete (SCC) using fly ash class C and F
… should apply to establish SCC stability and flowability during the production of general concrete elements.
Page 1 of 4