COMPARATIVE STUDY OF ADDING NANOPOWDERS IN DIELECTRIC EFFECTS ON OUTPUTS AND SURFACE INTEGRITY OF TI-6AL-4V ALLOY IN ELECTRICAL DISCHARGE MACHINING

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SHABGARD MOHAMMAD REZA; KHOSROZADEH BEHNAM

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:2 Page(s): 41-50

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Title

COMPARATIVE STUDY OF ADDING NANOPOWDERS IN DIELECTRIC EFFECTS ON OUTPUTS AND SURFACE INTEGRITY OF TI-6AL-4V ALLOY IN ELECTRICAL DISCHARGE MACHINING

Author(s)

SHABGARD MOHAMMAD REZA | KHOSROZADEH BEHNAM | Issue Writer Certificate

Keywords

EDMQ1

NANO POWDERQ3

SURFACE INTEGRITYQ2

TITANIUMQ2

Abstract

Titanium alloy Ti-6Al-4V is one of the most used industrial alloys, often employed in important and risky applications. One of the requirements for machining such parts is to achieve the appropriate SURFACE INTEGRITY. Powder mixed electrical discharge machining is a process which has different mechanisms compared with traditional electrical discharge machining process; it is often used in order to obtain good surface finish. In this study two different kinds of NANO POWDERs, SiO2 and Al2O3 were added in dielectric for machining of Ti-6Al-4V TITANIUM alloy so that the effect of adding them on the output characteristics of the electric discharge process, including removal rate, tool wear ratio, surface roughness and integrity is investigated and compared. In order to investigate surface micro cracks and heat altered layer, surface and cross section of it were studied by scanning electron microscopy imaging.The results show addition of NANO POWDERs into dielectric, especially SiO2, increases material removal rate, the effect of NANO POWDERs on tool wear ratio depends on machining condition and setting. SiO2 NANO POWDER decreases surface roughness more than Al2O3 NANO POWDER. SURFACE INTEGRITY of machined sample in terms of micro-cracks and depth of the heat altered layer is improved with the addition of nanoparticles.

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APA: Copy

SHABGARD, MOHAMMAD REZA, & KHOSROZADEH, BEHNAM. (2016). COMPARATIVE STUDY OF ADDING NANOPOWDERS IN DIELECTRIC EFFECTS ON OUTPUTS AND SURFACE INTEGRITY OF TI-6AL-4V ALLOY IN ELECTRICAL DISCHARGE MACHINING. MODARES MECHANICAL ENGINEERING, 16(2), 41-50. SID. https://sid.ir/paper/178833/en

Vancouver: Copy

SHABGARD MOHAMMAD REZA, KHOSROZADEH BEHNAM. COMPARATIVE STUDY OF ADDING NANOPOWDERS IN DIELECTRIC EFFECTS ON OUTPUTS AND SURFACE INTEGRITY OF TI-6AL-4V ALLOY IN ELECTRICAL DISCHARGE MACHINING. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(2):41-50. Available from: https://sid.ir/paper/178833/en

IEEE: Copy

MOHAMMAD REZA SHABGARD, and BEHNAM KHOSROZADEH, “COMPARATIVE STUDY OF ADDING NANOPOWDERS IN DIELECTRIC EFFECTS ON OUTPUTS AND SURFACE INTEGRITY OF TI-6AL-4V ALLOY IN ELECTRICAL DISCHARGE MACHINING,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 2, pp. 41–50, 2016, [Online]. Available: https://sid.ir/paper/178833/en

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