2014
DOI: 10.1007/s12613-014-0940-7
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Effect of hot stamping parameters on the mechanical properties and microstructure of cold-rolled 22MnB5 steel strips

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Cited by 44 publications
(28 citation statements)
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“…This excellent performance of the final ANN model with an RMS error of just 7.7% for phase fraction prediction over the test dataset establishes that the final ANN model has indeed robustly learned the functional relationship between the thermal history, deformation amount and deformation temperature and the final resulting phase distribution in the boron steel. Thermal history, deformation amount and deformation temperature are the factors which have the greatest influence on the final phase distribution during tailored hot stamping and hence were used for development of the current ANN model [8,10,12,15,35,36,48,49]. There are other process parameters such as strain rate, austenitization temperature and austenitization time which also have limited influence on the final phase distribution during tailored hot stamping.…”
Section: Model Validation and Performance Analysismentioning
confidence: 99%
“…This excellent performance of the final ANN model with an RMS error of just 7.7% for phase fraction prediction over the test dataset establishes that the final ANN model has indeed robustly learned the functional relationship between the thermal history, deformation amount and deformation temperature and the final resulting phase distribution in the boron steel. Thermal history, deformation amount and deformation temperature are the factors which have the greatest influence on the final phase distribution during tailored hot stamping and hence were used for development of the current ANN model [8,10,12,15,35,36,48,49]. There are other process parameters such as strain rate, austenitization temperature and austenitization time which also have limited influence on the final phase distribution during tailored hot stamping.…”
Section: Model Validation and Performance Analysismentioning
confidence: 99%
“…Mori 17) investigated the warm and hot stamping of high strength steels SPFC440, 590Y, 780Y and 980Y, which verified the feasibility of hot stamping at a lower temperature. Zhou et al 18) analyzed the effect of hot stamping parameters such as austenitization temperature, soaking time, deforming temperature and cooling rate on the microstructure and mechanical properties of cold-rolled 22MnB5 steels. Liu et al 19) investigated hot formation quality of BR1500HS at different hot stamping parameters, and found that forming temperature and tool temperature can influence microstructure and mechanical properties of components.…”
Section: Heating Parameters Optimization Of Hot Stamping By Partitionmentioning
confidence: 99%
“…As peças estampadas a quente, como mostrado na Figura 1, são aplicadas na indústria automotiva principalmente para componentes de chassi-carroceria monobloco, como a coluna A, coluna B, parachoques, entre outros, sendo que o número de partes produzidas por este processo aumenta a cada ano. [1] A estampagem a quente tem as seguintes vantagens: [1], [2], [4], [5], [8], [9] 1. A carepa na superfície de peças estampadas a quente é notável devido ao aquecimento e descarbonetação, e por isso pode ser necessário jateamento para remover essa camada;…”
Section: Estampagem a Quenteunclassified
“…Para evitar o aparecimento de carepa na superfície dos materiais estampados a quente, devido à oxidação a altas temperaturas, têm sido utilizado revestimento de alumínio-silício [1], [4], [8], [9] no entanto, esses revestimentos são relativamente caros; 3. A produtividade é baixa devido ao tempo de manutenção do blanque no forno e por causa do tempo necessário para a têmpera na matriz; 4.…”
Section: Estampagem a Quenteunclassified
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