Effect of TiB2 content and temperature on sliding wear behavior of AA7075/TiB2 in situ aluminum cast composite

• Autorzy: Michael Rajan H. B. , Ramabalan S. , Dinaharan I. , Vijay S. J.

Identyfikatory

DOI

10.1016/j.acme.2013.05.005

• Języki publikacji: EN

Abstrakty

EN

Aluminum alloy AA7075 reinforced TiB2 particulate composites were prepared by the in situ reaction of K2TiF6 and KBF4 to molten aluminum. The prepared aluminum matrix composites (AMCs) were characterized using X-ray diffraction and scanning electron microscopy (SEM). The sliding wear behavior of the AMCs was evaluated using a pin-on-disc wear apparatus. The effect of TiB2 particulate content (0, 3, 6 and 9 wt%) and temperature (30, 60, 90, 120, 150, 180, 210 and 240 °C) on wear rate and worn surface of the AMCs were studied. The results indicated that TiB2 particles were effective to enhance the wear resistance of the AMCs at all test temperatures studied in this work. The wear rate of the AMCs increased when the applied temperature was increased. The in situ formed TiB2 particles pushed the transition wear temperature by another 30 °C. The wear mode was observed to be abrasive at room temperature and metal flow at high temperature.

Słowa kluczowe

EN

aluminum alloy; TiB2; wear rate; worn surface

PL

stopy aluminium; TiB2; zużycie materiałów; zużycie powierzchni

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2014
• Tom: Vol. 14, no. 1
• Strony: 72--79
• Opis fizyczny: Bibliogr. 34 poz., rys., wykr.

Twórcy

autor

Michael Rajan H. B.

• Department of Mechanical Engineering, St. Joseph's College of Engineering and Technology, Thanjavur 613403, Tamil Nadu, India

autor

Ramabalan S.

• EGS Pillay Engineering College, Nagapattinam 611002, Tamil Nadu, India

autor

Dinaharan I.

• Department of Mechanical Engineering, V V College of Engineering, Tisaiyanvilai 627657, Tamil Nadu, India

autor

Vijay S. J.

• Centre for Research in Metallurgy (CRM), School of Mechanical Sciences, Karunya University, Coimbatore 641114, Tamil Nadu, India

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