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Das, Probal Kumar
- Performance of a Newly Developed Multiwalled Carbon Nanotube Reinforced Alumina Tool Insert during Turning of AISI 1060 Steel
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Authors
Affiliations
1 Department of Mechanical Engineering, Kalyani Govt Engineering College, Kalyani-741235, IN
2 NOCCD, CSIR-Central Glass & Ceramic Research Institute, Kolkata–700032, IN
3 Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur– 721302, IN
1 Department of Mechanical Engineering, Kalyani Govt Engineering College, Kalyani-741235, IN
2 NOCCD, CSIR-Central Glass & Ceramic Research Institute, Kolkata–700032, IN
3 Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur– 721302, IN
Source
Journal of the Association of Engineers, India, Vol 86, No 1-2 (2016), Pagination: 64-79Abstract
Due to the demand of the manufacturing industry for high production-rate machining, ceramic tool material plays an important role. In this work, alumina (Al2O3) matrix composite reinforced with 0.3 vol.% multiwalled carbon nanotubes (MWCNTs) was prepared by hot-press sintering at a temperature of 1550°C under uniaxial load of 2.5 MPa. This developed nanocomposite having increased hardness, fracture toughness and flexural strength compared to monolithic Al2O3 was then used as a cutting tool insert with a nose radius of 1 mm for machining AISI 1060 steel rod under different machining conditions. Cutting force was measured and chip forms were observed at different levels of machining parameters to evaluate the machining performance of the tool insert. Results obtained from turning experiments show promising applicability of the developed 0.3 vol.% MWCNT/Al2O3 cutting tool insert.Keywords
Machining, Turning, MWCNT, CNT, Al2o3, Nanocomposite, Carbon Nanotube, Cutting Force, Machinability, Cutting Tool.References
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- An Experimental Investigation on Surface Roughness Achieved During Abrasive Water-Jet Machining of Low Carbon Steel
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Authors
Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, IN
2 CSIR-Central Glass and Ceramic Research Institute, Jadavpur, Kolkata-700032, IN
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, IN
2 CSIR-Central Glass and Ceramic Research Institute, Jadavpur, Kolkata-700032, IN
Source
Journal of the Association of Engineers, India, Vol 87, No 1-2 (2017), Pagination: 26-32Abstract
In Abrasive Water Jet Machining (AWJM), abrasive particles suspended in high pressure water are impinged on work surface for removal of excess materials. A nozzle is fitted in front of workpiece to provide high velocity jet. In this work, appropriate machining condition is tried to evaluate to yield minimum surface roughness by employing Response Surface Methodology (RSM) while machining low carbon steel. Radius of curvature is also observed during abrasive water jet machining. A statistical model is generated for predicting surface roughness. It is observed that at low feed rate condition, better surface is obtained expectedly.Keywords
Abrasive Water Jet Machining, AWJM, Optimisation, Response Surface Methodology, RSM, Surface Roughness.References
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