An investigation of surface quality of turning in al matrix mgo reinforced composite material

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Küçük Resim

Tarih

2011

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

Gazi Univ, Fac Engineering Architecture

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

In this study; Al/MgO composites having 5 %, 10 %, 15 % volume fraction of reinforcement are produced by vacuum infiltration method and microstructure of composites are determined. Produced materials of metal matrix composite (MMC) machined with uncoated cemented carbide (WC), cubic boron nitrite (CBN) and coated cubic boron nitrite (CBN-C) cutting tools. The average surface roughness values (Ra) are determined by measuring surface roughnesses of composite samples. Ra values showed tendency to decrease by increasing cutting rate but it has proportionality with raising feed rates. The maximum roughness value is obtained at the cutting speed of 150 rev/min. It was observed that the most raugh sample is 15 % MgO reinforced sample. In terms of surface roughness 15 % MgO reinforced material is determined as the worst machinable sample. The best surface quality is obtained with WC cutting tool while machining 5 % and 10 % MgO reinforced samples and the best results are obtained 15 % MgO reinforced samples with CBN-C tools at high feed rates.

Açıklama

Anahtar Kelimeler

Composite materials, Infiltration, Turning, Surface roughness

Kaynak

Journal Of The Faculty Of Engineering And Architecture Of Gazi University

WoS Q Değeri

Q4

Scopus Q Değeri

Cilt

26

Sayı

1

Künye

closedAccess