Wear behavior of irregular shape Ti6Al4V powder reinforced with carbon nanotubes
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The purpose of this study was to investigate the sintering behavior, microstructural evolution, and the effect on wear resistanceof carbon nanotubes (CNT) with the addition of a mechanical alloy (Ti6Al4V) and sintered irregular Ti64 powder. Themechanical alloy powders utilized in this study were produced through the process of CIP (Cold Isostatic Press) in order toproduce samples by compress on under various pressures within a 300 MPa floating molded press. The samples were sinteredat a high vacuum (10-5 mbar) for 60 minutes at a temperature of 1275 oC. After sintering, the materials were characterizedusing an optic microscope (OM), scanning electron microscopy (SEM) and EDX (Energy-dispersive X-ray spectroscopy) todetermine whether the materials had wear resistance, density measurement, etc. The Carbon Nanotube wear and frictionbehavior were investigated under various conditions using a pin wear tester on a disc followed by a scanning electronmicroscopy (SEM) analysis. The objective of this study was to evaluate the density, metallographic properties and hardnessof Ti64 samples supplemented with different CNT ratios as a function of sintering temperature. Theoretical density and microhardnessof mechanical alloyed and sintered irregular Ti64 powders changed with the additions to CNT under increasedsintering temperatures.
Abstract
The purpose of this study was to investigate the sintering behavior, microstructural evolution, and the effect on wear resistanceof carbon nanotubes (CNT) with the addition of a mechanical alloy (Ti6Al4V) and sintered irregular Ti64 powder. Themechanical alloy powders utilized in this study were produced through the process of CIP (Cold Isostatic Press) in order toproduce samples by compress on under various pressures within a 300 MPa floating molded press. The samples were sinteredat a high vacuum (10-5 mbar) for 60 minutes at a temperature of 1275 oC. After sintering, the materials were characterizedusing an optic microscope (OM), scanning electron microscopy (SEM) and EDX (Energy-dispersive X-ray spectroscopy) todetermine whether the materials had wear resistance, density measurement, etc. The Carbon Nanotube wear and frictionbehavior were investigated under various conditions using a pin wear tester on a disc followed by a scanning electronmicroscopy (SEM) analysis. The objective of this study was to evaluate the density, metallographic properties and hardnessof Ti64 samples supplemented with different CNT ratios as a function of sintering temperature. Theoretical density and microhardnessof mechanical alloyed and sintered irregular Ti64 powders changed with the additions to CNT under increasedsintering temperatures.
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