Durability evaluation of diamond coating on inserts with complex geometries

• Grant number: 15/24923-6
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Start date: April 01, 2016
• End date: March 31, 2018
• Field of knowledge: Engineering - Mechanical Engineering - Manufacturing Processes
• Principal Investigator: Vladimir Jesus Trava-Airoldi
• Grantee: Ariel Estole Nunes de Andrade
• Host Institution: Instituto Nacional de Pesquisas Espaciais (INPE). Ministério da Ciência, Tecnologia e Inovação (Brasil). São José dos Campos , SP, Brazil
• Associated research grant: 12/15857-1 - Scientific studies and innovation application on CVD diamond, DLC and carbon nanostructures obtained by chemical vapor deposition technique, AP.TEM

Abstract

In this work, we study the durability of diamond coating on three types inserts (Si3N4, Al2O3, and WC-Co) with complex geometries. HFCVD reactor is used to grow diamond films in the present work. Machining tests will be conducted using the inserts. The samples are characterized by Scanning Electron Microscopy (morphology and microstructural properties), X-ray Diffraction (XRD) and Raman Spectroscopy (to evaluate the residual stresses).