Thermal diffusivity measurements of commercial hardmetal by OPC technique.
What is it about?
In the present work, the open photoacoustic cell technique was used to measure the thermal diffusivity of commercial hardmetal used as metal-cutting tool in the process called dry machining. The inserts from different manufacturers both used in milling of steel were named X and Y. The average value found for the X and Y samples were (19.4 ± 0.7) x10-6 m2/s and (26.3 ± 0.9) x10-6 m2/s respectively. These results agree with the values of the literatures where same and other techniques have been employed for several sintered WC/Co hardmetal. In addition, the microstructural characterization of samples was done by X-ray diffraction and scanning electron microscopy.
Why is it important?
This is of great importance, because the metal cutting tool requires good thermal properties due to the tool flank wear – abrasion and friction.
The following have contributed to this page: Professor Daniele T Dias