Evaluation of tool wear when machining SiCp-reinforced Al-2014 alloy matrix composites

Çiftçi, İbrahim; Türker, Mehmet; Şeker, Ulvi

doi:10.1016/j.matdes.2003.09.019

Cited by 169 publications

(86 citation statements)

References 18 publications

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“…This is because poor surface finish can be sometimes an indication of BUE formation. Similar works on machinability of MMC's with large volume fraction of reinforcement particle have shown poor machined surfaces when coated tools were used [3,4,9]. Previous works [6,8] reported that the size of reinforcement particles had much stronger effect on tool lives than that of population of reinforcement particles.…”

Section: Effect Of Processing Parameters On Tool Wear and Surfacementioning

confidence: 85%

Effect of Some Manfacturing Parameters on Machining of Extruded Al-Al₂O₃ Composites

Fathy

Abdelhameed

Shehata

2012

ISRN Materials Science

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A wide range of particulate metal matrix composites (PMMCs) of alumina and aluminum powders was formed using powder metallurgy techniques followed by extrusions at various extrusion ratios. The machining characteristics of the extruded PMMC were investigated. Results showed significant effects of weight fractions of reinforcement and extrusion ratios on tool wear and surface integrity of machined surface. The wear rate of cutting tool decreased rapidly with increasing the cutting parameters: cutting speed, feed, and depth of cut, however cutting speed is shown to be more effective. Sudden breakage of tool inserts occurred when the experiment started at high cutting speed. Wear rate has also decreased by decreasing volume fraction of reinforcement particles. Coating carbide tools have significantly improved the tool life. Coated tools showed 5% decrease in flank wear size compared to uncoated tools. This was valid within tested range of weight fractions and extrusion ratios. The surface finish of machined surfaces deteriorated when coated carbide tools were used. However, surface finish did not change significantly when volume fractions or extrusion ratios were altered.

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Section: Effect Of Processing Parameters On Tool Wear and Surfacementioning

confidence: 85%

Effect of Some Manfacturing Parameters on Machining of Extruded Al-Al₂O₃ Composites

Fathy

Abdelhameed

Shehata

2012

ISRN Materials Science

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“…The damage of the tool cutting edge/flank was attributed to abrasion [18,[22][23][24] and pulled out of tool material grains from cutting edge and flank face of the tool [21]. It was also reported that flank wear increased with speed [25,26] and at high speeds, chipping of cutting edge became prominent [26]. Under these conditions, impact between particle and tool increases which induces easier fracture causing chipping at the cutting edge.…”

Section: Particles At Tertiary Deformation Zonementioning

confidence: 99%

Particle fracture and debonding during orthogonal machining of metal matrix composites

Pramanik

Zhang

2017

Adv. Manuf.

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This paper investigates the particle fracture and debonding during machining of metal matrix composite (MMC) due to developed stress and strain, and interaction with moving tool by finite element analysis. The machining zone was divided into three regions: primary, secondary and tertiary deformation zones. The tendency of particles to fracture in each deformation zone was investigated. The findings of this study were also discussed with respect to the experimental results available in the literature. It was found that particles at the cutting path in the tertiary deformation zone fractured as it interacted with tool. In the secondary deformation zone, particles interacted with other particles as well as cutting tool. This caused debonding and fracture of huge number of particles as those were moving up along the rake face with the chips. No particle fracture was noted at the primary deformation zone. The results obtained from finite element analysis were very similar to those obtained from experimental studies.

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“…Lower density, good formability, ability to reach higher hardness values [4] and to increase its mechanical properties by additional processes also played a fundamental role in improving the usage areas of Al alloys [5]. Inclusion of magnesium in Al alloys results in an improved corrosion resistant as well as weightstrength ratio [6].…”

Section: Introductionmentioning

confidence: 99%

Effect of sub-Zero Treatment on Ageing of Aluminium Composite

Taşkesen¹,

Aksöz²,

Özdemir³

2018

IJMMM

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Abstract-In this study, B4C reinforced 7075 Al composites were fabricated by cold and hot pressing of Al, Cu, Zn and Mg elemental powders. Two different reinforcement rates (10% and 15%) were used for the composites. In order to examine the structural and mechanical properties, different sub-zero and ageing processes were applied to the composites. Sub-zero and stepped ageing treatments were applied after solutionizing at 470 o C for different time periods. It was found that hardness of the composite was substantially increased and micro structure was changed. Findings show that, general strength of the material significantly increased particularly after solutionization process.Index Terms-B4C, aluminium composite, sub-zero treatment, ageing.

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Evaluation of tool wear when machining SiCp-reinforced Al-2014 alloy matrix composites

Cited by 169 publications

References 18 publications

Effect of Some Manfacturing Parameters on Machining of Extruded Al-Al₂O₃ Composites

Effect of Some Manfacturing Parameters on Machining of Extruded Al-Al₂O₃ Composites

Particle fracture and debonding during orthogonal machining of metal matrix composites

Effect of sub-Zero Treatment on Ageing of Aluminium Composite

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Evaluation of tool wear when machining SiCp-reinforced Al-2014 alloy matrix composites

Cited by 169 publications

References 18 publications

Effect of Some Manfacturing Parameters on Machining of Extruded Al-Al2O3 Composites

Effect of Some Manfacturing Parameters on Machining of Extruded Al-Al2O3 Composites

Particle fracture and debonding during orthogonal machining of metal matrix composites

Effect of sub-Zero Treatment on Ageing of Aluminium Composite

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Effect of Some Manfacturing Parameters on Machining of Extruded Al-Al₂O₃ Composites

Effect of Some Manfacturing Parameters on Machining of Extruded Al-Al₂O₃ Composites