A Study on the Economics of Hypereutectic Aluminium-Silicon (Al-Si) Alloy Machining

Lee, E.-S.

doi:10.1007/s001700070021

Cited by 14 publications

(2 citation statements)

References 10 publications

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“…Many investigators tried to improve the machinability of alloys by adding special alloying elements and behaviour of primary silicon particles by controlling the solidification to acquire the desired properties [1][2][3]. It was reported by Liebermann that cooling rate during solidification affects the primary Si particle.…”

Section: Introductionmentioning

confidence: 99%

Machinability of hypereutectic cast Al–Si alloys processed by SSM processing technique

2017

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Experimental investigation carried out on the machinability studies to determine the influence of semi-solid metal processing and modification on hypereutectic Al-20Si-0.5Mg-1.2Fe-based alloy produced by conventional cast and semi-solid metal processing technique (mechanical stirring) and modified with iron correctors (Be and Cd) has been presented in this paper. The alloys under investigation were prepared by controlling melt using an induction melting furnace. Stirring of semi-solid metal takes place at constant cooling conditions from liquidus temperature at a constant stirring speed of 400 rpm. To determine the machining performance characteristics an orthogonal array, signal-to-noise ratio and statistical tool analysis of variance were jointly used during experimentation. A CNC lathe was used to conduct experiments in dry condition and coated carbide inserts were used as tool inserts. Machining variables like cutting velocity, approaching angle, feed rate and depth of cut, which can be considered as process parameters, are taken into account. The combined effect of modification and semi-solid metal processing has a significant effect on the machining characteristics, which was concluded from study. The modified alloy processed by semi-solid metal processing technique exhibits better machinability conditions when compared with the conventional cast. The feed rate has more effect on machining behaviour.

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Section: Introductionmentioning

confidence: 99%

Machinability of hypereutectic cast Al–Si alloys processed by SSM processing technique

2017

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“…Aluminium-silicon (Al-Si) alloys are used in automobile components because of their high wear resistance and good strength properties. So, they are being used as a replacement material in various engineering applications such as for cylinder block liners, vehicle drive shafts, automotive pistons, bicycle frames and air compressor cylinders, etc [1]. The particle reinforced metal matrix composites (MMC s ) which are most widely used as composites materials can be produced through a number of routes including melt processing and powder metallurgy [2].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Surface Integrity during Machining with Different Tool Grades of Sic<sub>p</sub>/Al-Si Composites Produced by Powder Metallurgy

Günay

Şeker

2011

MSF

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MMCs components are mostly produced using near net shape manufacturing methods and are subsequently machined to the final dimensions and surface finishes. The MMCs consist of extremely hard reinforcing particles and pose considerable challenges due to the poor machinability and severe wear of the cutting tool. In this study, cutting performance of WC, CBN and PCD cutting tools were investigated with respect to surface roughness during machining of 10 wt % SiCp reinforced Al-Si alloy matrix composites produced by powder metallurgy (PM) method. Average surface roughness (Ra) corresponding to each machining condition was measured. After the machining process the worn insert tips were examined under the scanning electron microscope (SEM). Chip geometry and machined surface photographs have been taken by optical microscopy. The experimental results showed that surface roughness decreased with increasing cutting speed for all of cutting tool materials. The best surface integrity was occurred after the machining with PCD insert at the highest cutting speed employed.

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Al-Si Alloys, Minor, Major, and Impurity Elements

Hernández

Ramirez

Mackay³

2017

Al-Si Alloys

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A Study on the Economics of Hypereutectic Aluminium-Silicon (Al-Si) Alloy Machining

Cited by 14 publications

References 10 publications

Machinability of hypereutectic cast Al–Si alloys processed by SSM processing technique

Machinability of hypereutectic cast Al–Si alloys processed by SSM processing technique

Evaluation of Surface Integrity during Machining with Different Tool Grades of Sic<sub>p</sub>/Al-Si Composites Produced by Powder Metallurgy

Al-Si Alloys, Minor, Major, and Impurity Elements

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