Effects of reinforcements content and ageing durations on wear characteristics of Al (6061) based hybrid composites

Benal, M.M.; Shivanand, H. K.

doi:10.1016/j.wear.2006.08.022

Cited by 34 publications

(13 citation statements)

References 25 publications

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“…Venkataraman and Sundararajan 7 had observed that the wear resistance in aluminum matrix composites is proportional to the concentration of the SiC. Similarly, for the 6061 alloys, Yu et al 8 found the same trends even in wider environmental temperature, ranging from 25 C to 250 C. The importance of strengthening 6061 alloys by dispersing particles into it to form a MMC is also emphasized by Benal and Shivanand 9 and Ramesh and Safiulla. 10 Some researchers use a process involving plastic deformation, such as hot rolling, to attempt to refine the microstructure of Al-Si alloys for automobile engine application.…”

Section: Introductionmentioning

confidence: 91%

The combination of rolling-and-T6-treatments with Al₂O₃-reinforcing-particles effect on A6061 metal-matrix composites

Leu

Chu

Fuh

et al. 2014

Proceedings of the Institution of Mechanical Engineers, Part L:

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Al-Si alloys, with excellent properties such as low weight, low thermal expansion coefficient, and high wear-resistance, are ideal materials for the automobile and aerospace industries. However, their applications have been hampered by the coarsening of the primary-Si particles in Al-Si alloys. In this study, the rolling-and-T6-treatments effect on A6061/Al 2 O 3 metal-matrix composites is investigated. The A6061/Al 2 O 3 metal-matrix composites with different amounts of reinforcing Al 2 O 3 particles are examined in the aspects of wear resistance and hardness. Upon the T6 treatment, the hardness is enhanced in all cases and is summarized. The results suggest that the increase of Al 2 O 3 particles reduce the wear rate. The possible reinforce mechanisms and the environmental temperature effects are discussed. This improvement in wear resistance is due to the particle size refinement of silicon at a high percentage-roll-reduction.

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Section: Introductionmentioning

confidence: 91%

The combination of rolling-and-T6-treatments with Al₂O₃-reinforcing-particles effect on A6061 metal-matrix composites

Leu

Chu

Fuh

et al. 2014

Proceedings of the Institution of Mechanical Engineers, Part L:

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show abstract

“…The latter has to do with the development cycle time and the engineering of quality. How a designer determines concentrations of constants in design (nominal system parameters), which can be chosen at the discretion of a designer, changes a product's functional stability under different circumstances of use [8]. Parameter design is called a method to minimize deviation of a product function from an optimal function under different circumstances by changing nominal design constants.…”

Section: Literaturementioning

confidence: 99%

Tool wear optimization in CNC milling operation of Al–Mg2Si alloys by Taguchi method

Sundaramoorthy

Ravindran²

2019

SN Appl. Sci.

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In this research, Taguchi technique was applied to find out the optimum tool wear in CNC milling operation of magnesium silicide alloys with aluminum. A L9 orthogonal array, S/N ratios and ANOVA techniques are used to analyze the performance characteristics of spindle speed; feed rate and depth of cut as machining parameters with tool wear as responded variable. The result of the analysis reveals that the chosen machining parameters are affecting the tool wears drastically, while machining magnesium silicide alloys with aluminum and also point out the spindle speed is the most influencing parameter of compare to feed rate and depth of cut. At last, the results are confirmed by validation experiments.

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“…The hardness of the composites was improved after heat treatment due to the presence of reinforcements in composite, which accelerated the aging kinetics and caused an increase in dislocation density at the surrounding area of reinforcement particles. Benal et al [13] studied the effects of reinforcement with SiC and E-glass fibres on wear properties of Al6061 hybrid composites. Due to the presence of both harder reinforcements and coherent precipitates in the matrix, increased hardness was observed during aging treatment.…”

Section: Introductionmentioning

confidence: 99%

Aging Kinetics and Microstructural Features of Al6061-SiC+B4C Stir Cast Hybrid Composites

Sathyashankarasharma

Gurumurthy

Shankar

et al. 2019

IJAME

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The purpose of the current metallurgical work is to analyse the mechanical property alteration and microstructure evaluation of Al6061 hybrid composites by age hardening treatment using three different aging temperatures. Al6061 hybrid composites reinforced with B4C and SiC particles have been manufactured using two-stage stir casting method. The optical micrographs were analysed for the dispersivity of the reinforcements in the matrix. To assure the type of reinforcements in the matrix SEM analysis was carried out. It was found thatduring solutionising and aging at 100, 150 and 200°C, presence of SiC and B4C particles in the hybrid Al6061 matrix composites showed substantial improvement in hardness compared to that of the base alloy. Transmission electron microscopy (TEM) was used to identify the intermetallic phases, morphology and orientation of the particulates responsible for the peak aging behaviour. It was observed that while aging at 100°C excellent peak hardness values are observed in the composite group with well-distributed fine precipitates of Mg2Si along grain boundaries as well as within the grains. The composition Al6061-3B3S composites showed an additional secondary intermetallic phase viz., α-Al12Fe3SiMg along with Mg2Si, which is responsible for the superior aging behaviour over other compositions.

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Effects of reinforcements content and ageing durations on wear characteristics of Al (6061) based hybrid composites

Cited by 34 publications

References 25 publications

The combination of rolling-and-T6-treatments with Al₂O₃-reinforcing-particles effect on A6061 metal-matrix composites

The combination of rolling-and-T6-treatments with Al₂O₃-reinforcing-particles effect on A6061 metal-matrix composites

Tool wear optimization in CNC milling operation of Al–Mg2Si alloys by Taguchi method

Aging Kinetics and Microstructural Features of Al6061-SiC+B4C Stir Cast Hybrid Composites

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Effects of reinforcements content and ageing durations on wear characteristics of Al (6061) based hybrid composites

Cited by 34 publications

References 25 publications

The combination of rolling-and-T6-treatments with Al2O3-reinforcing-particles effect on A6061 metal-matrix composites

The combination of rolling-and-T6-treatments with Al2O3-reinforcing-particles effect on A6061 metal-matrix composites

Tool wear optimization in CNC milling operation of Al–Mg2Si alloys by Taguchi method

Aging Kinetics and Microstructural Features of Al6061-SiC+B4C Stir Cast Hybrid Composites

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The combination of rolling-and-T6-treatments with Al₂O₃-reinforcing-particles effect on A6061 metal-matrix composites

The combination of rolling-and-T6-treatments with Al₂O₃-reinforcing-particles effect on A6061 metal-matrix composites