Effect of mixing method and particle size on hardness and compressive strength of aluminium based metal matrix composite prepared through powder metallurgy route

Sankhla, Arvind M.; Patel, Kaushik M.; Makhesana, Mayur A.; Giasin, Khaled; Pimenov, Danil Yurievich; Wojciechowski, Szymon; Khanna, Navneet

doi:10.1016/j.jmrt.2022.02.094

Cited by 60 publications

(22 citation statements)

References 39 publications

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“…And this increases the hardness and strength. 58,61 On the other hand, the variance in the hardness values was at its lowest in the M0 sample, and with the increasing reinforcement amount, especially after 20% of reinforcement addition, this deviation increased. This phenomenon may occur because of the higher agglomeration of MC particles at higher reinforcement particle amounts.…”

Section: Physical and Mechanical Propertiesmentioning

confidence: 91%

“…57 It is well known that increasing the amount of hard reinforcement particles increases the hardness of composite materials. 47,58 Additionally, if the matrix material in powder form is subjected to a high energy process like ball milling, attrition, etc., the powder is exposed to severe deformation and accordingly solid dispersion and grain refinement [58][59][60] . Also, the reinforcement particles prevent the matrix material from being dislocated.…”

Section: Physical and Mechanical Propertiesmentioning

confidence: 99%

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Investigation of magnetite concentrate utilization as reinforcement in aluminum matrix composites

Birol

Mısırlıoğlu

Çakιr

2022

Journal of Composite Materials

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The utilization of harder particles with magnetic properties as reinforcement in aluminum matrix composites (AMCs) enhances the mechanical and magnetic properties of aluminum. Present study investigates the utilization of magnetite concentrate (MC), which is composed of mainly Fe3O4, as reinforcement in AMCs. To achieve this goal, commercially pure Al and MC powders were blended (0–40 wt.% of MC) and ground by high energy ball milling, pressed, and sintered at 600°C for 30 min under an argon atmosphere. The products were characterized by XRD, and SEM analyses. Also, the density and porosity of the samples were determined by Archimedes’ principle. According to the results, it was observed that with the increasing reinforcement amount, agglomeration of the MC particles inside the Al matrix, as well as the porosities of the samples, increased. 10–20 wt. % of MC containing samples, the porosity values were obtained around 12 vol. %, however higher reinforcement amounts, raised the porosity values to 17.33 vol. % linearly. With the increment in both nonconductive MC particles and pores, the electrical conductivity of the samples decreased linearly. On the other hand, hard reinforcement particles played a positive role in both hardness and wear properties and a 43.37 HB of hardness value and 0.197 m3/N.m × 10−12 specific wear rate was obtained for the sample containing 40 wt. %, MC. In addition, an increase in magnetic properties was observed in direct proportion to the amount of MC particles added, up to 31 Am2.kg−1 of saturation magnetization.

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Section: Physical and Mechanical Propertiesmentioning

confidence: 91%

Section: Physical and Mechanical Propertiesmentioning

confidence: 99%

Investigation of magnetite concentrate utilization as reinforcement in aluminum matrix composites

Birol

Mısırlıoğlu

Çakιr

2022

Journal of Composite Materials

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“…An increase in SiC ratio by 5 wt.% enhanced hardness by 14%. Te compressive strength is maximum with 25 wt.% of SiC [27]. Te Al 2 O 3 and collagens were reinforced with Al-MMCs using the stir casting method.…”

Section: Fabrication Methods Of Amcsmentioning

confidence: 99%

A Systematic Review on the Mechanical, Tribological, and Corrosion Properties of Al 7075 Metal Matrix Composites Fabricated through Stir Casting Process

Sambathkumar¹,

Gukendran²,

Mohanraj

et al. 2023

Advances in Materials Science and Engineering

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Aluminium alloy components are used in lightweight engineering applications and lack mechanical properties, wear resistance, and corrosion resistance. When hard reinforcement particulates are dispersed in the aluminium matrix alloy, aluminium matrix composites (AMCs) are formed. This new material exhibits enhanced properties such as better specific stiffness, specific strength, corrosion resistance, elastic modulus, wear resistance, and lightweight. AMCs have many favorable properties compared to their alloy and extensive applications. Especially, in the space industry, where weight reduction and an increase in modulus are prevalent, the strength-to-weight ratio is more important. This study focuses on the tribological, mechanical, and corrosion properties of Al 7075 metal matrix composites (MMCs) reinforced with one or more particulates such as aluminium oxide (Al2O3), boron carbide (B4C), titanium carbide (TiC), silicon carbide (SiC), titanium dioxide (TiO2), and titanium diboride (TiB2). In AMCs, the reinforcements are incorporated by either the solid or liquid metallurgy route. The study addresses the findings and shortcomings in the preparation of MMCs with reinforcements and their improvement in corrosion resistance, wear resistance, mechanical properties, and lower coefficient of thermal expansion than the Al 7075 base alloy. A comprehensive survey of reinforcement particulates in MMCs and their influences are outlined from the literature, encompassing recent research trends to enhance the structural properties.

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“…It can be noted that the average hardness value of 13 vol% as-cast SMC is higher than that of 9 vol% as-cast SMC with the increase of volume fraction. Many studies [33][34][35] have shown that the hardness of MMC was closely related to the grain size of matrix and the embedded reinforcement phase. First, the smaller grain size in 13 vol% as-cast SMC is beneficial to the improvement of hardness compared with 9 vol% as-cast SMC, as shown in Figure 5E,F.…”

Section: Hardnessmentioning

confidence: 99%

In situ experimental study on fracture toughness and damage mechanism of TiB₂‐reinforced steel matrix composites

Chen

et al. 2022

Fatigue Fract Eng Mat Struct

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It is crucial to obtain better fracture property of particle‐reinforced metal matrix composites (PRMMCs) for application in structural parts. In this study, three‐point bending tests are conducted on a TiB2‐reinforced steel matrix composites (SMCs) with 9% and 13% TiB2 volume fractions to understand the effect of hot rolling and particle content on fracture toughness. Results show that increasing particle content has a negative effect on the fracture toughness of SCMs as a whole. Many microcracks induced by large‐size particle fracture initiate in the front of crack tip and coalesce with one another are observed, thus accelerating the main crack propagation. However, hot rolling can effectively improve the fracture toughness and hardness of SMCs with two particle contents. Particle characteristics and matrix plasticity of the SMCs are optimized by hot rolling, which finally enhances the crack propagation resistance. The present work provides guiding suggestions for effectively improving fracture properties of PRMMCs.

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Effect of mixing method and particle size on hardness and compressive strength of aluminium based metal matrix composite prepared through powder metallurgy route

Cited by 60 publications

References 39 publications

Investigation of magnetite concentrate utilization as reinforcement in aluminum matrix composites

Investigation of magnetite concentrate utilization as reinforcement in aluminum matrix composites

A Systematic Review on the Mechanical, Tribological, and Corrosion Properties of Al 7075 Metal Matrix Composites Fabricated through Stir Casting Process

In situ experimental study on fracture toughness and damage mechanism of TiB₂‐reinforced steel matrix composites

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Effect of mixing method and particle size on hardness and compressive strength of aluminium based metal matrix composite prepared through powder metallurgy route

Cited by 60 publications

References 39 publications

Investigation of magnetite concentrate utilization as reinforcement in aluminum matrix composites

Investigation of magnetite concentrate utilization as reinforcement in aluminum matrix composites

A Systematic Review on the Mechanical, Tribological, and Corrosion Properties of Al 7075 Metal Matrix Composites Fabricated through Stir Casting Process

In situ experimental study on fracture toughness and damage mechanism of TiB2‐reinforced steel matrix composites

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In situ experimental study on fracture toughness and damage mechanism of TiB₂‐reinforced steel matrix composites