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Master's Dissertation
DOI
https://doi.org/10.11606/D.3.2018.tde-27042018-095456
Document
Author
Full name
Tamy Oshiro Matayoshi
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2016
Supervisor
Committee
Tschiptschin, Andre Paulo (President)
Donato, Gustavo Henrique Bolognesi
Goldenstein, Helio
Title in Portuguese
Estampagem a quente do aço ao boro 22MnB5.
Keywords in Portuguese
Aço de alta resistência
Estampagem
Abstract in Portuguese
O processo de estampagem à quente é um dos métodos possíveis para a conformação de aços de alta resistência. Para isso é necessário o estudo das propriedades termomecânicas para obtenção de parâmetros ótimos para a construção de uma linha de estampagem eficiente. Neste trabalho, foram realizados ensaios para determinar os parâmetros para a estampagem a quente do aço 22MnB5, e posteriormente a construção de uma linha de estampagem a quente completa. Obteve-se ao fim do processo, uma microestrutura martensitica com dureza de 430 HV com resistência à tração de aproximadamente 1365 MPa.
Title in English
22MnB5 boron steel hot stamping.
Keywords in English
22MnB5
High strenght steel
Hot stamping
Abstract in English
The hot stamping process is one of the possible ways to high strenght steel conformation. In this work, study of 22MnB5 steel thermomechanical properties was performed in order to obtain optimum parameters to hot stamping process. After, a complete hot stamping line was built. At the end of hot stamping process it was possible to obtain a martensitic microstructure with 1365 MPa strenght resistance and 430 HV.
 
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Publishing Date
2018-04-27
 
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