Evaluation of green machining led to the diminishing of the distortion in sintered ceramic piece

• Grant number: 10/05792-4
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Start date: July 01, 2010
• End date: June 30, 2011
• Field of knowledge: Engineering - Mechanical Engineering - Manufacturing Processes
• Principal Investigator: Luiz Eduardo de Angelo Sanchez
• Grantee: Caio Italiano Monteiro
• Host Institution: Faculdade de Engenharia (FE). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil

Abstract

After sintering of advanced ceramics there are invariably distortions caused in large part by the heterogeneous distribution of density gradients along the compacted piece. To correct the distortions in pieces, machining is generally done for putting them within dimensional and geometric tolerances specified in the project. In order to comply with this task are applied narrow material removal limit conditions in an attempt to minimize the generation of damages left on the piece. Another alternative is machining the still compacted piece, called green ceramic, which presents easy machining without the introduction of harmful damages to mechanical strength. Since the greatest concentration of density gradients is located in the most outlying parts of the compacted piece, in this study different allowance values are removed by green machining and the corresponding distortion after sintering is evaluated. Besides the distortion, other output variables are analyzed, such as tool wear and cutting force. (AU)

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

SANCHEZ, L. E. A.; BUKVIC, G.; FIOCCHI, A. A.; FORTULAN, C. A.. Allowance removal from green pieces as a method for improvement surface quality of advanced ceramics. JOURNAL OF CLEANER PRODUCTION, v. 186, p. 10-21, JUN 10 2018. (10/05792-4)