Experimental Investigations on Effect of Silicon Carbide on Microstructure and Mechanical Properties in Mg-3 wt% Al Alloy Matrix Using Powder Metallurgy
“…The proper bonding was achieved due to the suitable sintering time and temperature and the argon atmosphere [ 10 ]. The XRD pattern of Mg/3Al/SiC composite milled powders, sintered samples and hardness of the sintered composite were reported in our previous publication [ 44 ]. Fig.…”
“…The proper bonding was achieved due to the suitable sintering time and temperature and the argon atmosphere [ 10 ]. The XRD pattern of Mg/3Al/SiC composite milled powders, sintered samples and hardness of the sintered composite were reported in our previous publication [ 44 ]. Fig.…”
“…11 Researchers Conducted experiment through powder metallurgy process by varying different percentage weight of SiC (3, 6, 9%wt), results revealed that, as the composition of SiC increases or at higher composition of SiC (9 wt%), the compressive strength recorded higher 169 MPa and Vickers hardness value of 66.9. 10 Likewise, at 9 wt% of SiC the minimum corrosion rate was recorded about 0.000142 mm/year. Additions in composition of SiC in magnesium alloy matrix results in enhancement of hardness property.…”
Section: Introductionmentioning
confidence: 93%
“…9 Silicon carbide is one of reinforcement which is mostly preferred by researchers due to its attractive property improving such as; good ultimate compressive strength, corrosion resistance, wear resistance, and fatigue resistance when it is used as reinforcement to metal matrix composites. 10 Additionally, researchers reveal that increasing the composition of SiC on the matrix of Mg increases the strength and hardness of a composite. 11 Researchers Conducted experiment through powder metallurgy process by varying different percentage weight of SiC (3, 6, 9%wt), results revealed that, as the composition of SiC increases or at higher composition of SiC (9 wt%), the compressive strength recorded higher 169 MPa and Vickers hardness value of 66.9.…”
Nowadays metal matrix composite materials are preferable in automotive and aerospace industries due to their mechanical properties and essentially attractive strength to weight ratios. However, their availability in use is limited because of their manufacturing method difficulty and process extravagancy. The aim of this research was to fabricate metal matrix hybrid composite through a novel approach thermo-mechanical method called friction stir consolidation (FSC) process. XRD result witnessed the presence of SiC, ZrO2, and AZ61 alloy phases. Different compositions of AZ61, SiC, and ZrO2 powder were taken into consideration and the progression of the FSC process were examined through properties of compressive strength, hardness, density, and porosity. For instance, the compressive yield strength of composition 85%Vol. of AZ61, 10%Vol. of ZrO2, and 5%Vol. of SiC accounts 164.2 MPa with an acceptable 2.2451 g/cm3 and 0.593% density and porosity respectively. However, when the strength to weight ratio was taken into consideration, 95%Vol. of AZ61, 2.5%Vol. of ZrO2, and 2.5%Vol. of SiC composition attained highest strength to weight ratio value. Additionally, the compressive yield strength value increased directly proportional with the ZrO2 volumetric composition. Likewise, the fractured surface of sample acquired highest strength to weight ratio was examined through SEM Fractography analysis.
“…Aluminium foams offer exceptional mechanical, electrical, and corrosion resistance. As a result, they constitute the main constituent in the majority of current industrial applications, particularly in the automotive, aerospace, marine, and other analogous sectors [1][2][3] . These days, attention is being drawn to particle-reinforced metal matrix composite foam, which has superior physical and mechanical properties and is used in a variety of applications [4][5][6] .…”
Aluminium foams have been manufactured and discovered to have a variety of uses in automotive and structural applications. However, due to their varied characteristics, it is difficult to choose an appropriate material. In this context, the selection of material for good properties is a challenging task. This study attempted to identify materials from various combinations employing the Multiple Attribute Decision Making (MADM) technique based on their mechanical and physical properties. Complex Proportional Assessment (COPRAS) is a Multi-Criteria Decision Making (MCDM) technique employed for evaluating the ranking order of the aluminium composite foam’s formulations based on performance measures. The composite foam with 2.5 wt.% of Calcium carbonate as foaming agent demonstrated the best combination of mechanical properties.
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