Investigation of Tribological Properties of Nano-Composite Copper / Titanium Dioxide Alloy Produced Using Friction-Stir Process

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Afsari Ahmad; Rahbar Alireza; Janghorban Maziar; Jahanbeen Behdad

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Journal Paper

Paper Information

Journal: Journal of Science and Technology of Composites Year:2023 | Volume:9 | Issue:4 Page(s): 2067-2074

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Information Journal Paper

Title

Investigation of Tribological Properties of Nano-Composite Copper / Titanium Dioxide Alloy Produced Using Friction-Stir Process

Author(s)

Afsari Ahmad | Rahbar Alireza | Janghorban Maziar | Jahanbeen Behdad | Issue Writer Certificate

Keywords

Friction Stir ProcessesQ4

CopperQ4

Titanium dioxide.MicrostructureQ4

WearQ4

CorrosionQ4

Abstract

The FSP is a method for solid state processing of metal alloys. FP4M milling machine and non-consumable rotary-tools were used to create the necessary heat and further mix Copper with titanium-dioxide powder. The base plate is made of Copper with a purity of 99. 9%. The heat created during the process on the Copper piece and the titanium-dioxide nanoparticles in the groove leads to metallurgical changes in the microstructure of the base metal and leads to changes in the size and shape of the grains. The samples were subjected to metallography and microstructure investigations by OP, XRD, Corrosion and Wear tests. The results show that in the HAZ area, the grains were in the form of a fine grain structure of Copper solid solution, containing twin regions with an average grain size of 14, but in the process area, the grains were formed as a distorted and disturbed structure of Copper solid solution. The average friction coefficient in the base Copper Wear diagram is less than one. By matching with the Corrosion graph, the base Copper sample has better Corrosion resistance.

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