DP600 Steel Stampability Analysis Through Microstructural Characterization by Electron Backscatter Diffraction and Nanoindentation
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| Publicado no: | Journal of Manufacturing and Materials Processing vol. 9, no. 7 (2025), p. 234-255 |
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MDPI AG
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| Acesso em linha: | Citation/Abstract Full Text + Graphics Full Text - PDF |
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| 024 | 7 | |a 10.3390/jmmp9070234 |2 doi | |
| 035 | |a 3233227584 | ||
| 045 | 2 | |b d20250101 |b d20251231 | |
| 100 | 1 | |a Guetter, Bohatch Rafael |u Mechanical Engineering Department, Federal University of Paraná, Curitiba 81531-990, Brazil; rafael.bohatch@ufpr.br (R.G.B.); alex.raimundo@ufpr.br (A.R.d.O.); ravilson@ufpr.br (R.A.C.F.); marcondes@ufpr.br (P.V.P.M.) | |
| 245 | 1 | |a DP600 Steel Stampability Analysis Through Microstructural Characterization by Electron Backscatter Diffraction and Nanoindentation | |
| 260 | |b MDPI AG |c 2025 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a In recent decades, the automotive industry has faced challenges around improving energy efficiency, reducing pollutant emissions, increasing occupant safety, and reducing production costs. To solve these challenges, it is necessary to reduce the weight of vehicle bodies. In this way, the steel industry has developed more efficient metal alloys. To combine vehicle mass reduction with improved performance in deformations in cases of impact, a new family of advanced steels is present, AHSS (Advanced High-Strength Steels). However, this family of steels has lower formability and greater springback compared to conventional steels; if it is not properly controlled, it will directly affect the accuracy of the product and its quality. Different regions of a stamped component, such as the flange, the body wall, and the punch pole, are subjected to different states of stress and deformation, determined by numerous process variables, such as friction/lubrication and tool geometry, in addition to blank holder force and drawbead geometry, which induce the material to different deformation modes. Thus, it is understood that the degree of work hardening in each of these regions can be evaluated by grain morphology and material hardening, defining critical regions of embrittlement that, consequently, will affect the material’s stampability. This work aims to study the formability of the cold-formed DP600 steel sheets in the die radius region using a Modified Nakazima test, varying drawbead geometry, followed by a nanohardness evaluation and material characterization through the electron backscatter diffraction (EBSD). The main objective is to analyze the work hardening in the critical blank regions by applying these techniques. The nanoindentation evaluations were consistent in die radius and demonstrated the hardening influence, proving that the circular drawbead presented the most uniform hardness variation along the profile of the stamped blank and presented lower hardness values in relation to the other geometries, concluding that the drawbead attenuates this variation, contributing to better sheet formability, which corroborates the Forming Limit Curve results. | |
| 653 | |a Mechanical properties | ||
| 653 | |a Process variables | ||
| 653 | |a Formability | ||
| 653 | |a Investigations | ||
| 653 | |a Metal sheets | ||
| 653 | |a Manufacturing | ||
| 653 | |a Microstructure | ||
| 653 | |a High strength steels | ||
| 653 | |a Nanoindentation | ||
| 653 | |a Steel | ||
| 653 | |a Production costs | ||
| 653 | |a Efficiency | ||
| 653 | |a Springback | ||
| 653 | |a Electron backscatter diffraction | ||
| 653 | |a Dual phase steels | ||
| 653 | |a Lasers | ||
| 653 | |a Iron and steel industry | ||
| 653 | |a Deformation | ||
| 653 | |a Ductility | ||
| 653 | |a Cold stamping | ||
| 653 | |a Microscopy | ||
| 653 | |a Nanohardness | ||
| 653 | |a Blankholders | ||
| 653 | |a Work hardening | ||
| 653 | |a Forming limit diagrams | ||
| 653 | |a Automobile industry | ||
| 653 | |a Dies | ||
| 700 | 1 | |a de Oliveira Alex Raimundo |u Mechanical Engineering Department, Federal University of Paraná, Curitiba 81531-990, Brazil; rafael.bohatch@ufpr.br (R.G.B.); alex.raimundo@ufpr.br (A.R.d.O.); ravilson@ufpr.br (R.A.C.F.); marcondes@ufpr.br (P.V.P.M.) | |
| 700 | 1 | |a Nikhare, Chetan P |u Mechanical Engineering Department, The Pennsylvania State University, Erie, PA 16563, USA | |
| 700 | 1 | |a Filho Ravilson Antonio Chemin |u Mechanical Engineering Department, Federal University of Paraná, Curitiba 81531-990, Brazil; rafael.bohatch@ufpr.br (R.G.B.); alex.raimundo@ufpr.br (A.R.d.O.); ravilson@ufpr.br (R.A.C.F.); marcondes@ufpr.br (P.V.P.M.) | |
| 700 | 1 | |a Prestes Marcondes Paulo Victor |u Mechanical Engineering Department, Federal University of Paraná, Curitiba 81531-990, Brazil; rafael.bohatch@ufpr.br (R.G.B.); alex.raimundo@ufpr.br (A.R.d.O.); ravilson@ufpr.br (R.A.C.F.); marcondes@ufpr.br (P.V.P.M.) | |
| 773 | 0 | |t Journal of Manufacturing and Materials Processing |g vol. 9, no. 7 (2025), p. 234-255 | |
| 786 | 0 | |d ProQuest |t ABI/INFORM Global | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3233227584/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text + Graphics |u https://www.proquest.com/docview/3233227584/fulltextwithgraphics/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3233227584/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |