Evaluation of Fracture Mechanisms in Al-Si Metal Matrix Nanocomposites Produced by Three Methods of Gravity Sand Casting, Squeeze Casting and Compo Casting in Semi-Solid State

Shabani, Mohsen Ostad; Baghani, Amir; Khorram, Ali; Heydari, Fatemeh

doi:10.1007/s12633-020-00390-9

Cited by 35 publications

(8 citation statements)

References 50 publications

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“…Techniques like Rheo-casting were brought into place of stir casting to reduce the cavitation on alloys which was further enhanced by ultrasonication process [22]. Shamsipour et al studied the fractures on the different casting technique fabricated Al/Al 2 O 3 based cermets with help of magnetic stirrer and determined that compo casting led to reduced dimples with more uniform distribution than sand casting [23]. However, electromagnetic stirrers were further utilised to overcome the problems associated with magnetic stirrers as the economical aspect of mass production was affected.…”

Section: Introductionmentioning

confidence: 99%

Influence of Nanoparticles Reinforcements on Aluminium 6061 Alloys Fabricated via Novel Ultrasonic Aided Rheo-Squeeze Casting Method

Arunkumar

Pavanan²,

Murugesan³

et al. 2021

Met. Mater. Int.

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This study emphasis on a novel fabrication technique to fabricate hybrid cermets using Al 6061 alloy with nano sized SiC, Al2O3 and TiO2 as reinforcements. During the fabrication process, the melted pool was ultrasonicated to disperse nanoparticles at 20 kHz for 5 min and pressure of 50 MPa was applied to eliminate voids. The influence of nanoparticles on physical, thermal and mechanical properties were evaluated by tensile, wear and thermal studies. Cermets with Al2O3 reinforcements showed higher mechanical performance compared to Al alloy. This enhancement could be related to the uniform distribution of Al2O3 with refinement in grain size of Al alloy which was observed via surface analysis. The morphological studies provided justifiable evidence of homogeneous distribution, nominal cluster along with agglomeration and cavities shrinking on the cermets. The agglomeration of nanoparticles along with SiC protected the cermet in corrosion and abrasive wear by ~ 97% and ~ 71%. The study evidenced the novel fabrication method using ultrasonic rheo-squeeze casting led to improvement in mechanical and thermal properties of the hybrid cermets. Graphical abstract

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Section: Introductionmentioning

confidence: 99%

Influence of Nanoparticles Reinforcements on Aluminium 6061 Alloys Fabricated via Novel Ultrasonic Aided Rheo-Squeeze Casting Method

Arunkumar

Pavanan²,

Murugesan³

et al. 2021

Met. Mater. Int.

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“…Initially, the starting temperature of the sintering process at 35°C was applied, continually heating up to 400°C after reaching 400°C to maintain the same temperature for 40 min. Further heating 400°C to 500°C, the furnace reached 500°C to maintain the same temperature at the time of 40 min [22][23][24]. In the last attempt of heating 500°C to 600°C, the furnace reached the temperature of 600°C and maintains the same temperature for 40 min.…”

Section: Methodsmentioning

confidence: 99%

Study on Compaction and Machinability of Silicon Nitride (Si3N4) Reinforced Copper Alloy Composite through P/M Route

Sathish

Mohanavel

Karthick

et al. 2021

International Journal of Polymer Science

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Nowadays, most of the products are used in the electrical and electronics field, and copper alloy is playing a significant role such as Springs for relay contacts and switchgear, Rotor bars, and Busbars. In this work, the copper alloys consider as base alloy, and the reinforced factor of silicon nitride (Si3N4) is processed of reinforcement as 3 wt. %, 6 wt. %, 9 wt. %, 12 wt. % Si3N4 through powder metallurgy performance. The ball mill process is used for this work to obtain an enhanced homogeneous mixture of both base material as well as reinforced particles. Using a hydraulic press, the blended powders are compacted with applying 3 kN and 10 min period for obtained good strength of green compact specimens. Further, the green compacted specimens are sintered, and the sintered billets are machined in the conventional lathes with different cutting speeds 50 m/min, 100 m/min, and 150 m/min; feed rate of 0.1 mm/rev (fixed); and depth of cut of 0.5 mm, 0.8 mm, 1 mm, 1.2 mm, 1.4 mm, and 1.6 mm. Cutting speed and depth of cut to find the composites’ cutting force is ingenious. A wear test also can be conducted to find the wear resistance of the reinforced particles of the copper alloy material.

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“…Although Al 2 O 3np improved ductility at a melt temperature of 800 • C, the same was verified for 900 • C. The authors suggest that the minimal increase in porosity for greater particle content can be attributed to the reinforcement higher surface area. Shabani et al have researched the fracture mechanics of 1.8 wt.% A356/Al 2 O 3np composites produced by gravity sand casting, squeeze casting and compo casting [120]. Al 2 O 3 particles were milled with Mg and Al to promote wettability (1:1:2 Al 2 O 3 :Mg:Al) and pressed as tablets.…”

Section: Melt Temperaturementioning

confidence: 99%

Manufacturing Methodology on Casting-Based Aluminium Matrix Composites: Systematic Review

Grilo

Carneiro

Teixeira

et al. 2021

Metals

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Ongoing industrial demand for lightweight materials has spiked the research interest in aluminium-based metal matrix composites for its specific properties. The amount of scientific publication available on the matter has led to the vast production of knowledge, which highlights the need for a systematic assessment if further progress is expected. In this paper, a systematic review of the published literature is conducted, according to the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses, on the Scopus and Web of Science databases were used in the literature search, which was completed on the 29 August 2020. The data of the research work is structured in the particle pre-processing stage and the melt processing stage. The present review clarifies the combined pair-wise effect of particles and the melt treatment performed on their wettability or dispersive or de-agglomerative capability, which allows to achieve their final mechanical properties.

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Evaluation of Fracture Mechanisms in Al-Si Metal Matrix Nanocomposites Produced by Three Methods of Gravity Sand Casting, Squeeze Casting and Compo Casting in Semi-Solid State

Cited by 35 publications

References 50 publications

Influence of Nanoparticles Reinforcements on Aluminium 6061 Alloys Fabricated via Novel Ultrasonic Aided Rheo-Squeeze Casting Method

Influence of Nanoparticles Reinforcements on Aluminium 6061 Alloys Fabricated via Novel Ultrasonic Aided Rheo-Squeeze Casting Method

Study on Compaction and Machinability of Silicon Nitride (Si3N4) Reinforced Copper Alloy Composite through P/M Route

Manufacturing Methodology on Casting-Based Aluminium Matrix Composites: Systematic Review

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