Abstract
Ti-6Al-4V is one of the most important materials in the industry, 80% of which is utilised in the aerospace industry. Titanium alloys are difficult-to-machine because of their unique material properties. Machining hardened work materials with the correct process parameter levels in the manufacturing industry is a difficult task. Contour milling is the prime machining operation utilised in many industries to produce titanium parts. End mill cutters made of tungsten carbide are mainly utilized to machine hard and difficult-to-machine materials like titanium alloys. Current work is about the machining of Ti-6Al-4V using tungsten carbide end mill cutter following contour milling process for three different levels of input process parameters. Machining parameters have an effect on output responses like surface roughness, temperature and force. The input parameters has been broken down utilizing Box-Behnken design. A technique of multi-optimization GRA is used to identify the best machining parameter that enhances all output responses equally, like surface roughness, temperature, and force. Using this optimal value, comparative experiments were also conducted with coated and treated tools. As per the study's conclusions, cryogenic treated tool had a better surface finish, minimal force, and lower temperature.
Published Version
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