In this study, Rockwell Hardness Testing is used for material hardness examination. Rockwell's hardness testing was chosen in this method because easy to perform, Relatively inexpensive, non-destructive, Finished parts can be tested but not ruined, virtually any size and shape can be tested, This examination will identify and compare the characteristics of nickel porosity before and after centrifugal casting through hardness testing in order to discover the 99% porosity of the element of nickel in Boron Neutron Capture Therapy (BNCT). The component used in BNCT is a cylindrical shape and was created in centrifugal casting method. The method used in this project is hardness testing.
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