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 16 of 16 for “"0912 Materials Engineering"”.
-
Nonlinear inelastic analysis of concrete-filled steel tubular slender beam-columns
… geometric imperfections, preloads, high strength materials, second order and cyclic behavior. In the proposed numerical models, the inelastic behavior of column cross-sections is simulated using the accurate fiber element method. Accurate constitutive laws for confined concrete are implemented in …
-
Incorporation of natural antimicrobial agents into starch-based material for food packaging
Antimicrobial (AM) films comprising of thermoplastic starch (TPS) and a commercial aliphatic polyester blended with thermoplastic starch (APTPS) were prepared and their properties, release of AM agents, and AM efficacy was studied in laboratory media and on a real foodstuff (Cheddar cheese). The AM …
-
Study of creep characteristics of multi-layered corrugated fibre board protective cushions
… gaining attention as a replacement for polymeric materials for protective packaging for environmental reasons. The properties of pre-compressed multi-layered corrugated fibreboard make it a sustainable replacement for poly-foam and polystyrene. Pre-compressed multilayered fibreboard cushions have …
-
Effect of cullet level on amber glass quality, workability and commercial viability
The effect of high cullet levels on amber container glass was studied. A statistical approach was taken in assessing glass quality, glass workability and commercial viability. Cullet levels were increased from 40% to 70%. Glass quality was assessed in terms of stone, seed and blister levels, as …
-
The influence of fiber hybridisation on dynamic mechanical behavior of natural based composites
… kevlar fibre) used in fibre reinforced composite materials make it desirable to investigate natural fibres as a source of possible reinforcement in low-cost applications. Natural fibres are abundant and represent a significant cost reduction compared to wholly synthetic composite materials. It is …
-
Creep properties of corrugated fibreboard containers for produce in simulated road transport environment
Standard methods for the performance testing of corrugated fibreboard boxes use some static or quasi-static characteristic of the box as the performance indicator. The aim of this project was to develop a performance-based test method for corrugated boxes for fresh horticultural produce, using a …
-
Puncture resistance of geotextiles and evaluation of the g-rating classification system
The puncture resistance of geotextiles in Australia is measured in terms of the G-Rating, which is the product of CBR and drop cone puncture test results. CBR and drop cone puncture tests were conducted on 24 geotextiles to provide up-to- date results, and to evaluate the G-Rating. CBR puncture …
-
Laboratory specimen preparation for cold recycled asphalt
In Australia the use of Reclaimed Asphalt Pavement material (RAP) is increasing. Cold recycling has advantages over other recycling processes and conventional paving methods, making it a viable, cost-effective technique which preserves natural resources and reduces energy costs. The service life of …
-
Finite element simulation of Durelli's photoelastic stress minimization method for shape optimization
… stress minimization problems involving isotropic materials. Investigations of the effects of parameters controlling the optimization process on the convergence and the final results were carried out. By taking into account the existence of isotropic points stress, which could lead to the …
-
Engineering applications of electro-rheological fluids
… (ER) fluids is relatively new in engineering applications. ER fluids can change from liquid to solid-like gel under an electrical field, and this change takes place within milliseconds. The change is reversible once the electrical field is removed. This thesis is an experimental …
-
A new vibrational technique for measurement of stress variations in thin films
A survey of thin films deposited by standard techniques (electrodeposition, chemical deposition, sputtering, physical deposition, etc.) shows that internal stress is a common problem, particularly in industrial applications. The presence of stress influences the properties of the film and when …
-
Interaction between turbulent flow and saturated porous media
In this thesis, the interaction between turbulent flow and saturated porous media has been investigated using computational fluid dynamics (CFD) simulations, flow visualisation experiments and laser Doppler velocimetry (LDV) measurements.
-
The effect of structure on the mass transport of acetaldehyde in virgin and recycled poly(ethylene terephthalate)
PET is a thermoplastic polyester prepared from terephthalic acid and ethylene glycol. It is used for the production of bottles, sheets, films, strapping and injection moulded products. PET bottles are extensively used for various food-packaging applications, particularly in developed countries, …
-
Prediction of water droplet behaviour during fire extinguishment
… such as Halon. Commonly used as a fire engineering tool for predicting fire growth and hot gas movement in a compartment, are zone models. Even though the performance of fire sprinklers or mist sprays is predicted by some of these models, the analysis is very limited. This analysis is …
-
Optimal applications of high-strength concrete in structural walls of tall buildings
This study examines the application of high-strength concrete (HSC) in structural walls of tall buildings. Emphasis is put on the cost-benefits corresponding to the use of higher concrete strengths. The parameters included in the cost analysis are: the material cost of concrete and reinforcing …
-
Investigation of impregnants for low-cost buildings
Masonry building materials are more or less permeable. Water is the most significant factor in building deterioration by capillary water penetration. Impregnation of masonry with water repellents particularly with silicone impregnants is the most successful method of protection of masonry from …