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Paper Details

Paper Title
Machining of difficult-to-cut Super alloys: A Review
Excellent physical, mechanical and chemical properties at high temperatures, toughness and ductility, high resistance to corrosion, resistance to thermal distortion are making super alloys favorable in the industries. They are on high demand in the chemical, marine, and aerospace industries. Improvements are suggested in the area of machining of difficult to cut materials having poor machinability due to low thermal conductivity, to maintain high strength at elevated temperature and chemical reaction. The most affecting factors which governs the machinability of Super alloys are machined surface of work material and tool life. A Proper selection of cutting tool materials, cutting parameters and conditions, as well as the functional behavior of machined specimen gives efficient machining of super alloys. This paper presents an overview of advancement in the machining techniques which can improve the productivity along with cost reduction without compromising dimensional and geometrical accuracy, machined surface quality in terms of roughness, finish, subsurface quality and hardness. Various cutting parameters, cutting environment and tool geometry on different features of machined surface quality has been presented. These includes surface roughness, surface defects in the form of cavities, metal debris, smeared material, feed marks etc., metallurgical and microstructural aspects.
High temperature super alloy, Machining techniques, Surface quality, Microstructure.
Others Details
Paper Id : 52509
Author Name : Dipeshkumar Bansilal Trivedi
Volume/Issue No : Volume 04 Issue 10
Page No : 120-125
DOI Number : DOI:10.21090/IJAERD.52509
Publication Date : 2017-10-11
License : This work is licensed under a Creative Commons Attribution 4.0 International License.
website :
Impact Factor : 4.72, SJIF-2016
ISSN Details : eISSN: 2348-4470, pISSN:2348-6406