1. EFFECT OF BUILDING MATERIAL COST ON HOUSING DEVELOPMENT IN NIGERIA
ABSTRACT
This study was carried out on the effect of building material cost on housing development in Nigeria using public and private contractors involving civil engineers and quantity surveyors in Imo State as a case study. Specifically, the...
2. PHYSICAL AND MECHANICAL PROPERTIES OF NERICA PADDY (RICE)
Abstract
The determination of the physical and mechanical properties of NERICA paddy (FARO's 44(SIPI), 51(Isadane), 52(WITA 40) and 57(TOX4004-43-1-2-1)) at different moisture contents were carried out. The paddy rice was studied under un-parboiled and parboiled sta...
3. A STUDY ON THE MODIFICATION, CHARACTERISATION AND APPLICATION OF COCONUT WASTES AS FILLERS IN RUBBER COMPOUNDING
ABSTRACT
In this study, coconut palm wastes were obtained, washed to remove sands and debris and then dried at 95oC for 1 hr to remove surface moisture. Filler modifications through carbonisation were done at varying temperatures of 300oC, 400oC, 500oC, 600oC and 700oC....
4. A STUDY OF MODIFICATIONS OF FILLER DIMENSIONS AND THE EFFECT OF PHYSICAL AND MECHANICAL PROPERTIES OF PINEAPPLE LEAF FIBRE REINFORCED POLYPROPYLENE COMPOSITES
ABSTRACT
This research studied the effect of filler dimensions on some major properties of pineapple leaf fibre-reinforced polypropylene composites. In this study, composites of PALF/PP were produced, the PALF were extracted from pineapple leaves. This was achieved by adopting the mecha...
5. PERFORMANCE EVALUATION OF DIFFERENT MATERIALS AS CHILLS IN SAND CASTING OF ALUMINIUM ALLOY
ABSTRACT
This study has evaluated the effectiveness of metallic materials as chill in sand casting of aluminium alloy. Four plates of dimension 165mm x 80mm x10mm were cast using sand mould. Steel, copper and brass chills in form of cylindrical bar of g...
6. PRODUCTION OF HIGH QUALITY FOAM
ABSTRACT
The production of high quality foam was carried. The actualization of the production of polyurethane (fibre) foam was made possible by using the components / chemical raw materials such as polyol (polyurethes resin). TDI (toluene di-Iso-cyanate, met...
7. DEVELOPMENT OF BAOBAB/SISAL REINFORCED LOW DENSITY POLYETHYLENE HYBRID COMPOSITE
Abstract
In this work, the properties of baobab/sisal fibre reinforced low density polyethylene hybrid composites were studied. The effect of fibre loading and fibre treatment with varying sodium hydroxide (NaOH)concentration on the composite properties was investigated...
8. EFFECTS OF FIBRE HYBRIDIZATION ON THE PROPERTIES OF NATURAL FIBRE FILLED EPOXY COMPOSITES
ABSTRACT
The problems of low mechanical properties of composites reinforced with fibres of natural origin have been a source of concern for researchers. Also, the insufficient utilization of bagasse fibres due to its moderate strength has further reduced its potentialities in composite...
9. INFLUENCE OF TIG PROCESS PARAMETERS ON HARDNESS, TENSILE STRENGTH AND MICROSTRUCTURES OF AISI430 FERRITIC STAINLESS STEEL WELDS
ABSTRACT
The influence of tungsten inert gas (TIG) welding process parameters on the microstructural features and mechanical properties (hardness and tensile strength) of AISI430 ferritic stainless steel (FSS) weldsbased on the central composite design (CCD) approach, was investigated....
10. PERFORMANCE EVALUATION OF DIFFERENT MATERIALS AS CHILLS IN SAND CASTING OF ALUMINIUM ALLOY
ABSTRACT
This study has evaluated the effectiveness of metallic materials as chill in sand casting of aluminium alloy. Four plates of dimension 165mm x 80mm x10mm were cast using sand mould. Steel, copper and brass chills in form of cylindrical bar of geometry 7mm in diameter and 50mm l...
11. SUITABILITY OF OSARA AND JAMATA RIVER SAND DEPOSITS FOR MOULDING OPERATION
ABSTRACT
This research was carried out to ascertain the suitability of Osara and Jamata River sand for moulding operation and Ajaokuta Foundry Sand was also tested along with the two sands under the same condition and their moulding properties were compared with that of American Foundry...
12. SYNTHESIS, FORMULATION AND CHARACTERIZATION OF PHENOL FORMALDEHYDE/CHITOSAN COMPOSITES
Abstract
The methodology of the experiment involves three main stages. The first part describes the synthesis of the PF (novolac) resins. Novolac (resins) were prepared with an excess of phenol over formaldehyde under acidic conditions. PF molar ratio were varied from 1P:2F to 1P:8F. Th...
13. THE DEVELOPMENT OF Al-5%Cu/GRAPHITE PARTICULATE COMPOSITES FOR ENGINEERING APPLICATIONS
ABSTRACT
A method of preparing cast aluminium alloy – graphite particulate composite using uncoated graphite with the addition of 1wt% magnesium to aid wettability was studied. The method consists of introducing and dispersing uncoated but pre-treated graphite particles in alumini...
14. EVALUATION OF TABLETING PROPERTIES OF CRUDE TURMERIC (CURCUMA LONGA LINN) POWDER
ABSTRACT
The aim of this work is to formulate crude turmeric powder into tablet form. The powder was produced from the turmeric rhizome. Physicochemical properties of the powder; angle of repose (AR), bulk density (BD), tapped density (TD), Hausner‟s ratio (HR), Carr‟s index (CI), true...
15. EVALUATION OF THE BINDING PROPERTIES OF ENZYME - HYDROLYZED CASSAVA STARCH IN CHLOROQUINE PHOSPHATE TABLET FORMULATIONS
ABSTRACT
Starch is a major carbohydrate, easily extractable from various sources like cassava, maize, potato etc which find wide application in various food and Pharmaceutical industries. There has been a lot of attempt to modify this highly flexible polymer with the aim of extending an...
16. CHARACTERISATION OF RECYCLED STEEL IN NIGERIA FOR QUALITY ASSESSMENT
ABSTRACT
The chemical and mechanical properties of recycled mild steel from scraps in Nigeria was investigated using the mechanical (strength of materials) testing approach, chemical (elemental composition) testing approach and metallurgical (microstructural analysis) testing approach m...
17. DEVELOPMENT OF CAR PISTON MATERIAL FROM ALUMINIUM ALLOY USING COCONUT SHELL ASH AS AN ADDITIVE
ABSTRACT
This research presents the development of a piston material from aluminium alloy using coconut shell ash as an additive. Most damage pistons reported in literature are as a result mechanical fatigue due to wear and thermal fatigue. Investigations revealed that aluminium alloys...
18. EFFECT OF SALT WATER ON CONCRETE USING BIDA NATURAL STONES AS COARSE AGGREGATE
ABSTRACT
Concrete is a combination of cement, fine and coarse aggregates and water, which are mixed in a particular proportion to arrive at a particular strength. The cement and water react together chemically to form a paste together with the aggregate particles. The mixture sets into...
19. EVALUATION OF THE MECHANICAL PROPERTIES OF KENAF BIO FIBROUS CONCRETE COMPOSITES CONTAINING SORGHUM HUSK ASH
Statement of the Research Problem
The growth in global population and income in the twenty-first century has increased the need for sustainable materials. These requirements occur as a result of landfills piling up due to massive depositions of accumulated garbage, the earth's envir...
20. INFLUENCE OF SORGHUM HUSK ASH AS MICRO-FILLER IN POLYMER CONCRETE
ABSTRACT
Polymer concretes (PCs) are known to be less permeable to water, but its usage is less popular in tropical countries like Nigeria because its common binder, thermoset resins, are very sensitive to rising temperature. This sensitivity to temperature accelerates the polymerizatio...
21. EXPLORING CROSS-LAMINATED TIMBER USE FOR TEMPORARY MILITARY STRUCTURES: BALLISTIC CONSIDERATIONS
ABSTRACT.
The design and construction of temporary military structures, built to house personnel in theater, have changed little since World War II. While lightweight, rapidly deployable, and quick to erect, these gage metal or wood frame structures provide minimal ballistic and blast p...
22. ORIGAMI AND TENSEGRITY: STRUCTURES AND METAMATERIALS
ABSTRACT
In recent years, the call for multi-functional structural systems has increased substantially, with potential applications across scales: from deployable outer space structures [1], [2], to transformable multi-role robots [3], [4], and to microstructures of metamaterials [5]&nd...
23. DESIGN, FABRICATION AND EVALUATION OF A BENISEED (Sesamum indicum L.) OIL EXPELLER
ABSRACT
Some physical and mechanical properties of two Nigerian beniseed accessions (Yandev-55 and E8) were determined at 5 moisture content levels of 5.3, 10.6, 16.1, 22.4, and 28.3 per cent (wet basis). These were used as inputs into designing a beniseed oil expeller, as available one...
24. Production of Wood Polymer Composite from African Copaiba Balsam (Daniella oliveri) Wood Dust : Effects of Wood Dust Particle Size Distribution and Content
ABSTRACT
This thesis explore the effects of wood dust particle size distribution and contents on the functional properties of wood plastic composites WPCs prepared from virgin high density poly-ethylene (vHDPE) and dilute sodium hydroxide (NaOH) treated African Copaiba Balsam (Daniella...
25. THE EFFECTS OF HEAT TREATMENT ON THE PHYSICAL AND MECHANICAL PROPERTIES OF WHITE AFARA WOOD (TERMINALIA SUPERBA)
ABSTRACT
The heat treatment of wood is an environmental friendly method for wood preservation. This process improves wood resistance to decay and its dimensional stability. In this study, the physical properties of White Afara wood( Terminalia superb) such as density, moisture content a...
26. EFFECT OF CHEMICAL TREATMENTS OF NATURAL FIBERS ON THE PHYSIO-MECHANICAL PROPERTIES OF REINFORCED HIGH DENSITY POLYETHYLENE COMPOSITES
Significance of the work
In this research, four natural fibers were used as the main reinforcements with high density polyethylene (HDPE) as the matrix. This research will solve the problems of using natural fibers as reinforcements by investigating the optimum conditions for treating t...
27. MODELLING MECHANICAL PROPERTIES OF SELECTED NATURAL FIBER REINFORCED COMPOSITES FOR AUTOMOBILE APPLICATION
Statement of the Problem
Althoughtremendous research results have been published regarding natural fiber mercerization treatment, which is the primary fiber treatment technique,there are still scanty works conducted in dealing with interaction of factors and optimizing the mercerization...
28. THE PHYSICO-MECHANICAL AND MORPHOLOGICAL PROPERTIES OF -CELLULOSE-FILLED POLYSTYRENE (PS) AND POLYVINYL ACETATE (PVAc) BLENDS
ABSTRACT
Studies of physico-mechanical and morphological properties of pure and -cellulose reinforced blends of polystyrene (PS) and poly (vinyl acetate) (PVAc) are reported in this work. The compression moulded articles of the blends of different compositions (10:90, 20:80, 30:70, 40:...
29. ANTIDIABETIC PROPERTIES OF MUCUNA PRURIENS L. (D.C.) SEED EXTRACT AND ITS TABLET FORMULATIONS
ABSTRACT
Diabetes mellitus and its complications continue to be one of the highest causes of morbidity and mortality in recent times. Although many drugs are commercially available for use in the management of diabetes, their side effects and high costs underscore the need for new drugs...
30. EFFECT OF MOISTURE CONTENT LEVELS ON SOME ENGINEERING PROPERTIES OF LOCUST BEAN (Parkia biglobosa) SEEDS
ABSTRACT
Locust bean (Parkia biglobosa) seed is a source of a nutritious and medicinal food condiment consumed in Nigeria. The drudgery associated with locust bean seed processing necessitates its mechanization. However, there is a dearth of information on the engineering properties of...
31. ASSESSMENT OF PHYSICAL AND MECHANICAL PROPERTIES OF AGGREGATES
ABSTRACT
This study investigates the compliance of the physical and mechanical properties of granites produced in some parts of Ogun State to relevant codes and standards. The desire to carry out the study was borne by personal on – site experienc...
