Session 3

[OPTM3-01] Observation of Potential Failures in Ceramic Cutting Tools Using Microscopic Raman Imaging

*Teppei Onuki¹, Ryohei Tazawa¹, Shuo Liu¹, Hirotaka Ojima¹, Jun Shimizu¹, Libo Zhou¹ (1. Ibaraki University)

Tool conditions in cutting edge and grinding wheel were investigated using microscopic Raman imaging method. The Raman images revealed hidden abnormality like micro cracks, residual stress, chip adhesion that is invisible in conventional observation.