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|Title:||Comparing the effectiveness of coatings on carbide and cerement cutting tool inserts|
|Authors:||Seah, K.H.W. |
|Source:||Seah, K.H.W.,Goh, T.N. (1995-08). Comparing the effectiveness of coatings on carbide and cerement cutting tool inserts. Journal of Materials Science and Technology 11 (4) : 269-275. ScholarBank@NUS Repository.|
|Abstract:||A series of metal cutting experiments was performed on a CNC lathe to evaluate the performance of various coatings on different tool substrates. The workpiece material is plain medium carbon steel and the cutting tool materials are carbide and cermet inserts coated with various single or multilayer coatings. Machining was done under various cutting conditions of speed and feed-rate, and for various durations of cutting. The output parameters studied are the cutting forces (axial, radial and tangential), the surface roughness of the workpiece, as well as the tool wear (crater and flank wear). From these results, the performances of the various cutting inserts were evaluated and compared. Results show that when using coated cermets, the cutting forces are significantly lower than using coated carbides though different coatings on the same substrate also result in different cutting forces. However, there is less difference in the surface roughness of the finished workpiece for the various coatings and substrates.|
|Source Title:||Journal of Materials Science and Technology|
|Appears in Collections:||Staff Publications|
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