Analysis of Tool
Analysis of Tool Kind Effect on Material Removal Rate in Nickel Titanium Smart Alloy
Esmaeil Abedi1, Saeed Daneshmand2, Reza Hessami3
1,2 Department of Mechanical Engineering, Majlesi Branch, Islamic Azad University, Isfahan, Iran
3.Department of Mechanical Engineering, Roudbar Branch, Islamic Azad University, Roudbar, Iran
Abstract: Nickel-Titanium Alloys is a kind of smart materials that are used in medicine, aerospace and other industries. Because of the strength and hardness, EDM method is used for machining of this alloy. Electrical discharge machining process is most practical non-traditional machining methods when toughness and physical properties of the workpiece does not affect on machining capability. This study examines the utility of copper, brass and EDM input parameters on the material removal rate and surface roughness of NiTi smart alloy. Experimental results show that tool material, the pulse current and the pulse duration are the most important effect on material removal rate and surface roughness of NiTi alloy. With increasing pulse current and pulse duration, material removal rate and surface roughness increases. Copper tools has higher material removal rate than the brass tools.
[Abedi E, Daneshmand S, Hessami R. Analysis of Tool Kind Effect on Material Removal Rate in Nickel Titanium Smart Alloy. Life Sci J 2013;10(1):944-949] (ISSN: 1097-8135). http://www.lifesciencesite.com.
Keywords: Nickel-titanium; Electrical discharge machining; Material removal rate; Copper electrode; Brass electrode; Surface roughness.