A Comparative Study of the Effect of Various Cryogenic Treatments on the Performance of Tungsten Carbide Inserts
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 12
Abstract
In this work aims to study the performance of the cryogenic treatment on the tungsten carbide inserts tools (Shallow cryogenic treated and Deep cryogenic treated) compared to the untreated tool for machining the AISI 1020 Bright rod (workpiece). From that machining, the tool wear and surface roughness values of the workpiece material was determined. At the same time cutting zone temperature and chip formation methodology were observed. From the tool wear tests deep cryogenically treated tool revealed the less amount of weight loss (10mg). The reason behind that, the formation of ἠphase particles precipitated on the carbide inserts after the cryogenic treatment. The SEM images and EDX images shows the formation of fine grains. After the machining the surface roughness test was conducted. In this test, the deep cryogenically treated tungsten carbide tool affords the less surface roughness value (2.483µm) compared to others. The cutting zone temperature was observed for each machining operation. The deep cryo treated tool affords the less temperature (130 deg C) compared to others. The chip formation was analysed for each machining operation. The deep cryo treated tungsten carbide tool affords the discontinuous chips.
Authors and Affiliations
Arunkarthikeyan. K, A. Elango, Sathishkumar. C, Keerthi Srinivasan
Keywords
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