MODELING THE EFFECTS OF MICROSTRUCTURE IN METAL CUTTING

MODELING THE EFFECTS OF MICROSTRUCTURE IN METAL CUTTING

Student José Eduardo Cervelin email: jecervelin@yahoo.com.br

Supervisor Reginaldo Teixeira Coelho email: rtcoelho@sc.usp.brEscola de Engenharia de São Carlos - Departamento de Engenharia Produção

Av. Trabalhador São-Carlense, 400 – Centro

CEP: 13566-590 - São Carlos/SP – Brasil

Telefone: +55 16 3373 9433

Fax: +55 16 3373 8235

Material characterization and chip

formation in metal cutting

Results:

The resulting chip was found to more closely resemble experimental results than the results from a homogeneous FE model for the same workpiece material.

Images of surface in microscale cutting tests

Ref.: A. Simoneau et al. Modeling the effects of microstructure in metal cutting. International Journal of Machine Tools & Manufacture 47 (2007) 368–375

Resulting surfaces from the heterogeneous (a) and homogeneous (b) models

Plastic dissipation energy during chip formation in (a) the heterogeneous and (b) homogeneous FE cutting model

AISI 1045 Steel – microstructures A pearlite and B ferrite