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Study about the uses of nanofluids and salts in intensive quenching and its effect in fracture toughness

Grant number: 18/13541-3
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): September 01, 2018
Effective date (End): August 31, 2019
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Transformation Metallurgy
Principal Investigator:Lauralice de Campos Franceschini Canale
Grantee:Pedro Rua Neto
Home Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil

Abstract

The goal is analyze mechanical properties of the steel AISI 1045 after intensive quenching using as quenchant: nanofluids (SiO2 e ZnO2) and saline solutions (NaNO2 e NaHCO3). It will be performed tests of tensile strength, residual stress and fracture toughness. For toughness it will be used an alternative method used by IMT, Slovenia which is made with tensile strength test and notched cylindrical sample. Metallographic studies will complement the analyses.