Formulation of Surface Roughness Models for Machining Nickel Super Alloy with Different Tools |
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Authors: | S M Darwish A M EI-Tamitni |
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Affiliation: |
a Mechanical Engineering Department, King Saud University, Riyadh, Saudi Arabia |
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Abstract: | This paper presents a study of the development of surface roughness models for turning supermet 718 nickel super alloy (300 BHN), using different tool materials namely; CBN (SANDVIK CB50), Carbide (SANDVIK HIP k10), and ceramic (SANDVIK CC680) under dry cutting conditions and a constant nose radius. The models are developed in terms of cutting speed, feed rate, and depth of cut. These variables were investigated using design of experiments and utilization of the response surface methodology (RSM). A separate surface roughness model corresponding to each tool material is established, tested and reported. |
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Keywords: | |
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