Abstract
Application of reinforced aluminium scrap for the production of prophylactic knee brace (Pkb) particularly with agro-waste materials is rarely available. In this work, hardness and tensile properties of aluminium alloy (Al 6063) straps reinforced with cow bone (Cb) and periwinkle shell (Ps) for the production of Pkb were investigated. The Cb and Ps sourced were cleaned and the Cb was sun-dried for 4 weeks before crushing with Denver laboratory Ball mill (Model: 48-D0500/Q). The Ps was also crushed, sun-dried for 7 days and treated in the oven (Model SDO/225) at 110 oC for 30 minutes to remove moisture. The particle size of 75 µm was used to cast six (6) each of aluminium/cowbone (Al/Cb) and aluminium/periwinkle shell (Al/Ps) composites. The cast aluminium composites of Pkb and original Pkb were investigated for density, hardness, and tensile properties. It was observed that addition of Cb and Ps in the cast Pkb gave a density of 2.68 g/cm3 and 2.60 g/cm3 respectively. The average values of hardness and tensile strength obtained were 41.18 BHN and 135.88 MPa respectively when Ps was added to the cast aluminium Pkb, while addition of Cb gave harness values of 40.45 BHN and tensile strength of 134.63 MPa.
Highlights
The rate of wastes generation in modern day life has tremendously increased in which its composition and the magnitude generated have influence on the way the population lives [1]
The focus of this study is to investigate the hardness and tensile properties of Prophylactic Knee Brace Produced from Cow bone and Periwinkle Shell Composites
4 CONCLUSIONS Investigation on hardness and tensile properties of prophylactic knee brace produced from cow bone and periwinkle shell composites, using Ps and Cb as reinforcements has been reported
Summary
The rate of wastes generation in modern day life has tremendously increased in which its composition and the magnitude generated have influence on the way the population lives [1]. Improper management of such wastes may have been accountable for degrading the environmental and the difficulty in its disposal [1, 2]. This work focused on using aluminium alloy (Al 6063) straps that is the off-cut generated from the production of aluminium doors and windows. The aluminium alloy off-cut was used as matrix while periwinkle shell (Ps) and cowbone (Cb) were used as reinforcements to form a composite for the production of prophylactic knee brace (Pkb) used in bone support. Pkb is usually used as components for knee injury management (preventive and healing mechanism) of knee injuries [3, 4]
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