Experimental analysis of mechanical and structural properties of hybrid aluminium (7075) matrix composite using stir casting method

Rathaur, Anand Singh; Katiyar, Jitendra Kumar; Patel, Vinay Kumar

doi:10.1088/1757-899x/653/1/012033

Cited by 9 publications

(5 citation statements)

References 4 publications

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“…The addition of reinforcers can significantly improve hardness and wear resistance of AMCs (Rathaur et al , 2019). The results of the micro Vickers and Brinell hardness tests are indicated in Figure 2, and the location is selected to avoid the iron foam boundary.…”

Section: Resultsmentioning

confidence: 99%

Effects of different temperatures and loads on the tribological behavior of foamed iron-reinforced SiCp/A359 composites

Liu

He²,

Liu³

et al. 2022

ILT

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Purpose To improve the high-temperature wear properties of the SiCp/A359 composite, foamed iron-reinforced SiCp/A359 composite (A359–SiCp/Fe) is prepared. The purpose of this study is to investigate the tribological behavior and mechanism of the A359–SiCp/Fe composites at different temperatures (100–500 °C) and loads (7 N, 10 N and 12 N). Design/methodology/approach The A359–SiCp/Fe composite was fabricated by vacuum-assisted infiltration. The dry sliding tribological behaviors of A359–SiCp/Fe composite were investigated using the ball-on-disc-type tribometer. The worn surface and wear morphology of the longitudinal section were examined using field emission scanning electron microscopy and metallographic microscope. Findings The critical transition temperature for severe wear in A359–SiCp/Fe composite was 50–100 °C higher than in SiCp/A359 composite. Foamed iron prevents exfoliation cracks from penetrating deeper into the matrix. The friction coefficient stability of the A359–SiCp/Fe composite was higher than the unreinforced composite at elevated temperatures. With the increase in temperature, the friction-affected layer was severely worn, and the wear mechanism transferred from abrasion and delamination to oxidation and plastic flow, respectively. Originality/value The preparation procedure for aluminum matrix composites reinforced with foamed metal has been less reported, and the research on the tribological behavior and mechanism of A359–SiCp/Fe composite at various temperatures is insufficient. The foamed iron structure considerably enhances the wear properties of SiCp/A359 composite in elevated temperature conditions.

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Section: Resultsmentioning

confidence: 99%

Effects of different temperatures and loads on the tribological behavior of foamed iron-reinforced SiCp/A359 composites

Liu

He²,

Liu³

et al. 2022

ILT

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“…The dry sliding wear test was evaluated through a pin on the disc equipment. The coefficient of friction and wear loss of samples were examined [11][12][13]. The stir casting technique manufactured the AA4032 composites.…”

Section: Introductionmentioning

confidence: 99%

Influence of Rolling and Ageing On Mechanical Properties of AA2195 Based Metal Matrix Composites

Rao. M,

Padal

2023

IJIE

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The modern Aluminium based composites have a great demand in the field of aerospace applications due to their lightweight, high strength, high stiffness, and superior mechanical properties. The main objective is to fabricate the AA2195 composites through Medium Frequency Induction Furnace (MFIF) with Taguchi L16 design of experiments, hot rolling process and heat treatment of composites is done and then compare the mechanical properties of hot rolled and heat treated AA2195 composite with casted composite. It is analyzed the effects of reinforcements like graphite and boron carbide on the mechanical behaviors and microstructure of both AA2195 composites. The microstructures revealed that reinforcements were distributed uniformly throughout the composites. It observed that the elemental investigation on SEM and XRD for both the composites showed that formed intermetallic compounds (IMCs) helped refine the microstructure and further increased the mechanical properties. The hot rolled and heat-treated AA2195 composite fabricated at 8% B4C and 6% Gr exhibits the more enhanced ultimate tensile strength, hardness, and reduction in density, % elongation compared to the casted composite. The rolling process is used to reduce the porosity of the composite. In contrast, heat treatment enhances the composite's mechanical properties like strength and hardness.

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“…Rathaur et al [21] focus on the mechanical and structural properties of an Al-7075/Si 3 N 2 /ZrO 2 hybrid composite, showing improved tensile strength, hardness, and wear properties with increasing zirconia reinforcement. Abd-Elaziem et al [22] investigated Zn-Al matrix composites reinforced with alumina, carbon, or steel fibers, demonstrating reduced creep rate, thermal expansion coefficient, and improved impact toughness.…”

Section: Introductionmentioning

confidence: 99%

Study on Mechanical Behaviour of Al-15Si-10Zn/x ZrO2 Composites Synthesized by Stir Cast Method

Chavan,

Goudar,

V. Kuppast

et al. 2023

j. of met. mater. res.

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In this research, the microstructure and mechanical properties of Al-15Si-10Zn-xZrO2 (x = 5, 7 and 10 wt.%) composites synthesized by the stir-casting process have been investigated. The matrix and composite samples were characterized using an X-ray diffraction test (XRD) and their microstructures were studied using optical microscopy and scanning electron microscopy (SEM). The microstructure of different phases was analyzed using energy-dispersive spectroscopy (EDS). The microstructure of the Al-15Si-10Zn/ZrO2 composites consisted of coarse primary Si, needlelike eutectic Si, and Zn-rich phases, with ZrO2 reinforcement particles distributed homogeneously in the composites. The micro-hardness and tensile properties of the matrix and composites were determined at room temperature. The results show significant improvements in the micro-hardness and tensile strength of the composites compared to the matrix alloy. The micro-hardness of the stir-cast composites increased by 24%, 44%, and 58% in the 5, 7, and 10 wt% ZrO2 reinforcement composites, respectively. The ultimate tensile strength (UTS) of the 5, 7, and 10 wt% ZrO2 composites increased by 17%, 30%, and 44%, respectively, compared to the matrix alloy. The increased content of ZrO2 resulted in an increase in hardness, ultimate tensile and yield strengths and a decrease in ductility.

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Experimental analysis of mechanical and structural properties of hybrid aluminium (7075) matrix composite using stir casting method

Cited by 9 publications

References 4 publications

Effects of different temperatures and loads on the tribological behavior of foamed iron-reinforced SiCp/A359 composites

Effects of different temperatures and loads on the tribological behavior of foamed iron-reinforced SiCp/A359 composites

Influence of Rolling and Ageing On Mechanical Properties of AA2195 Based Metal Matrix Composites

Study on Mechanical Behaviour of Al-15Si-10Zn/x ZrO2 Composites Synthesized by Stir Cast Method

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