Effect of nano/micro B4C particles on the mechanical properties of aluminium metal matrix composites fabricated by ultrasonic cavitation-assisted solidification process

• Autorzy: Harichandran R. , Selvakumar N.

Identyfikatory

DOI

10.1016/j.acme.2015.07.001

• Języki publikacji: EN

Abstrakty

EN

Lightweight aluminium metal matrix nanocomposites play a major role in automobile, aerospace and other industries. This work aimed to investigate the effect of the addition of micro- and nano-boron carbide particles to aluminium on the mechanical properties of the composites. The micro- and nanocomposites containing different weight % of B4C particles were fabricated using stir- and ultrasonic cavitation-assisted casting processes. The fabricated micro and nano B4C particle-reinforced composites were characterized using scanning electron microscopy (SEM) and an X-ray diffractometer. Tensile, hardness, impact and wear tests were carried out in order to evaluate the mechanical properties of the micro- and nanocomposites. The tensile test results showed that the properties of the samples containing up to 6% nano B4C-reinforced composites were better than the micro B4C-reinforced composites. The study also indicated that the ductility and impact energy of the nanocomposites were better than the micro B4C particle-reinforced composites. The wear resistance of the nanocomposite significantly increased when the B4C content was increased up to 8% of addition, and this increase was more pronounced than that resulting from micro B4C particle-reinforced composites.

Słowa kluczowe

EN

Al–B4C (micro and nano) composites; ultrasonic cavitation; mechanical and wear properties

PL

mikrokompozyty; kawitacja ultradźwiękowa; ścieranie; właściwości mechaniczne

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2016
• Tom: Vol. 16, no. 1
• Strony: 147--158
• Opis fizyczny: Bibliogr. 28 poz., rys., wykr.

Twórcy

autor

Harichandran R.

• Department of Mechanical Engineering, National Engineering College, K.R. Nagar, Kovilpatti 628 503, Tamilnadu, India

autor

Selvakumar N.

• Centre for Nano Science and Technology, Department of Mechanical Engineering, Mepco Schlenk Engineering College, Sivakasi 626 005, Tamilnadu, India

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę