Prepation and Characterization of TiO2 Nanofluid by Sol-gel Method for Cutting Tools

Year 2014, Volume: 14 Issue: 3, 453 - 460, 01.12.2014

İşıl Birlik N.funda Ak Azem Recep Yiğit Mustafa Erol Serdar Yıldırım Metin Yurddaşkal Orkut Sancakoğlu Erdal Çelik

Abstract

In the past few decades, rapid advances in nanotechnology have lead to emerging of new generation of coolants called as nanofluids. Nanofluids are defined as suspension of nanoparticles in a basefluid. Machining experiences high temperatures due to friction between the tool and workpiece, thus influencing the workpiece dimensional accuracy and surface quality. Further, the cutting fluids also incur a major portion of the total manufacturing cost. Nanofluids are containing oxides including MgO, TiO2, ZnO, Al2O3 and SiO2 nanoparticles. Nanofluids are produced by dispersing nanometer scale solid particles into base liquids such as water, ethylene glycol or oil. In this study, TiO2 nanoparticles were produced by using sol-gel technique and TiO2 the nanoparticles were suspended in a specified volume of the base fluid. Regarding the analysis of materials, phase analysis was determined by using X-ray diffactometer (XRD) and the average particle size distribution (APS) using particle size analyzer. The present study summarizes the effect of nanofluid with TiO2 nanoparticles on the performance of the cutting tools

Keywords

Nanofluid; Nanoparticle; Sol-gel method; Milling; Cutting tools; TiO2

Kesici Takımlar İçin Sol-jel Nanosıvıların Hazırlanması ve Karakterizasyonu

Abstract

Yakın zamanda nanoteknolojideki hızlı gelişme nanosıvılar olarak isimlendirilen yeni soğutma sıvılarının ortaya çıkışına neden olmuştur. Nanosıvılar baz sıvı içerisindeki nanopartikül süspansiyonları olarak tanımlanabilir. Takım ve iş parçası arasındaki sürtünmeden dolayı işlemede yüksek sıcaklık meydana gelmektedir bu durum iş parçasının yüzey kalitesi ve hassaslığını etkilemektedir. Buna ilave olarak kesme sıvıları toplam üretim maliyetinin büyük kısmını oluşturmaktadır. Nanosıvılar; MgO, TiO2, ZnO, Al2O3 ve SiO2 gibi nanopartükülleri içeren oksitlerden oluşmaktadır. Nanosıvılar, nanometre ölçeğindeki katı partiküllerin su, etil glikol veya yağ gibi baz sıvı içerisinde dağılması elde edilmektedir. Bu çalışmada, TiO2 nanopartiküller sol-jel tekniği ile üretilmiştir ve belirlenen hacimde baz sıvı içerisinde süspansiyon haline getirilmiştir. Malzemelerin karakterizasyonunda ise faz analizi X-Işınları difraksiyonu cihazı ile ortalama partikül boyutu partikül boyutu analiz cihazı ile belirlenmiştir. Çalışma, TiO2 nanopartiküllerini içeren nanosıvıların kesme takımlarının performansına etkisini özetlemektedir.

Keywords

Nanosıvı, Nanopartikül, Sol-jel yöntemi, İşleme, Kesme takımları, TiO2

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