Comparative study of powder mixed EDM and rotary tool EDM performance during machining of Al-SiC metal matrix composites

Vishwakarma, Umesh Kumar; Dvivedi, Akshay; Kumar, Pradeep

doi:10.1504/ijmmm.2014.064684

Cited by 6 publications

(3 citation statements)

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“…Besides tungsten powder, carbon nanotubes (CNTs) [250] and multi-walled CNTs [251] are also added in the dielectric to obtain excellent performances in PMEDM of Al/SiC MMCs. Vishwakarma et al [252] revealed that the PMEDM process provided a better MRR at higher values of peak current, lower concentration of powder, mid-value of gap control, and lower value of duty cycle [253]. Optimization of machining of SiC p /Al MMCs with PMEDM can be achieved by using the RSM [254], Taguchi and gray analysis [255], ANOVA [256], etc.…”

Section: Powder Mixed Edm (Pmedm)mentioning

confidence: 99%

A review on conventional and nonconventional machining of SiC particle-reinforced aluminium matrix composites

Chen

2020

Adv. Manuf.

103

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Among the various types of metal matrix composites, SiC particle-reinforced aluminum matrix composites (SiC p /Al) are finding increasing applications in many industrial fields such as aerospace, automotive, and electronics. However, SiC p /Al composites are considered as difficult-to-cut materials due to the hard ceramic reinforcement, which causes severe machinability degradation by increasing cutting tool wear, cutting force, etc. To improve the machinability of SiC p /Al composites, many techniques including conventional and nonconventional machining processes have been employed. The purpose of this study is to evaluate the machining performance of SiC p /Al composites using conventional machining, i.e., turning, milling, drilling, and grinding, and using nonconventional machining, namely electrical discharge machining (EDM), powder mixed EDM, wire EDM, electrochemical machining, and newly developed high-efficiency machining technologies, e.g., blasting erosion arc machining. This research not only presents an overview of the machining aspects of SiC p /Al composites using various processing technologies but also establishes optimization parameters as reference of industry applications.

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Section: Powder Mixed Edm (Pmedm)mentioning

confidence: 99%

A review on conventional and nonconventional machining of SiC particle-reinforced aluminium matrix composites

Chen

2020

Adv. Manuf.

103

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“…An attempt was made to optimise the multi responses using TOPSIS with Taguchi approach. Vishwakarma et al (2014) presented a comparative study of the effect of various process parameters on PMEDM and REDM process. The output characteristics measured were, the MRR and the tool wear rate (TWR).…”

Section: Previous Workmentioning

confidence: 99%

Analysis of multi objective optimisation using TOPSIS method in EDM process with CNT infused copper electrode

Raj

Prabhu

2017

IJMMM

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This paper presents the experimental investigation of the machining characteristics of AISI D2 tool steel on the electrical discharge machining (EDM) process by replacing the copper electrode tool with carbon nanotube (CNT) fused electrode, and checking for improvement in machinability factors like material removal rate (MRR), electrode wear rate (EWR) and surface finish (SR). The problems of high electrode wear in EDM machining, such as poor dimensional and shape accuracy of the machined part, need to be addressed. The work material is spark machined with pure copper and CNT-infused copper electrodes by varying parameters on an EDM. The results of the machining characteristics with and without the CNT are compared and analysed using Taguchi analysis. This study investigates the optimisation of EDM parameters for AISI D2 tool steel using TOPSIS method. Analysis of variance (ANOVA) and F-test are used to check the validity of regression model and determine the significant parameter affecting the surface roughness.

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“…Powder particles from the surroundings are dragged into the machining zone due to the centrifugal force of the rotating tool. 140,141 This increase in the concentration of particles in the machining zone enhances the overall effectiveness of the powder particles.…”

Section: Variants Of Pmedmmentioning

confidence: 99%

State of the art in powder-mixed electric discharge machining: A review

Talla

Gangopadhayay

Biswas

2016

Proceedings of the Institution of Mechanical Engineers, Part B:

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Accomplishment of high machining rates along with good surface quality is a major concern in electric discharge machining process. Powder-mixed electric discharge machining in which suitable powder particles are impregnated in dielectric has gone forth as a potential solution to this problem. Nevertheless, challenges such as dielectric circulation, homogeneous blending of the powder particles in the dielectric, debris removal and quantity of the powder material required have to be addressed carefully before implementing this process on a large scale in the manufacturing industry. Extensive research in the field of electric discharge machining using powder-suspended dielectrics has started only in the recent years. In this article, a comprehensive review of the research going on in the field of powder-mixed electric discharge machining is presented. The emphasis is given on powder-mixed electric discharge machining mechanism, influence of powder characteristics and machining parameters on various responses. Some of the major application areas, variants of the basic powder-mixed electric discharge machining process and possibilities of further improvement are also discussed.

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Comparative study of powder mixed EDM and rotary tool EDM performance during machining of Al-SiC metal matrix composites

Cited by 6 publications

References 0 publications

A review on conventional and nonconventional machining of SiC particle-reinforced aluminium matrix composites

A review on conventional and nonconventional machining of SiC particle-reinforced aluminium matrix composites

Analysis of multi objective optimisation using TOPSIS method in EDM process with CNT infused copper electrode

State of the art in powder-mixed electric discharge machining: A review

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