Formability of the 5754-Aluminum alloy deformed by a modified repetitive corrugation and straightening process
Por:
Ezequiel, Marco, Elizalde, Sergio, Cabrera J.-M., Picas, Josep, Figueroa, Ignacio A., Alfonso, Ismeli, Gonzalez, Gonzalo
Publicada:
1 ene 2020
Resumen:
Sheets of 5754-aluminum alloy processed by a modified repetitive corrugation and straightening (RCS) process were tested in order to measure their formability. For this purpose, forming limit curves were derived. They showed that the material forming capacity decreased after being processed by RCS. However, they kept good formability in the initial stages of the RCS process. The formability study was complemented with microstructural analysis (derivation of texture) and mechanical tests to obtain the strain-rate sensitivity. The texture analysis was done by employing X-ray diffraction, obtaining pole figures, and the orientation distribution function. It was noticed that the initial texture was conserved after successive RCS passes, but the intensity dropped. RCS process did not induce ß-fiber, contrary to common deformation process. The strain-rate sensitivity coefficient was measured through tensile tests at different temperatures and strain rates; the coefficient of the samples processed after one and two passes were still relatively high, indicating the capacity to delay necking, in agreement with the good formability observed in the initial passes of the RCS process. © 2020 by the authors.
Filiaciones:
Ezequiel, Marco:
Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Cd. Universitaria, A.P. 70-360, Coyoacán, Ciudad de México, 04360, Mexico
Univ Nacl Autonoma Mexico, Inst Invest Mat, Circuito Exterior S-N,Cd Univ, Mexico City 04360, DF, Mexico
Elizalde, Sergio:
Departamento de Ciencia e Ingeniería de Materiales, EEBE-Universitat Politècnica de Catalunya, c/Eduard Maristany 10-14, Barcelona, 08019, Spain
EEBE Univ Politecn Catalunya, Dept Ciencia & Ingn Mat, C Eduard Maristany 10-14, Barcelona 08019, Spain
Cabrera J.-M.:
Departamento de Ciencia e Ingeniería de Materiales, EEBE-Universitat Politècnica de Catalunya, c/Eduard Maristany 10-14, Barcelona, 08019, Spain
Instituto de Investigaciones en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Edificio U, Av. Francisco Múgica s/n, CU, Morelia, Michoacán, 58000, Mexico
Picas, Josep:
Light Alloys and Surface Treatments Design Centre, Department of Materials Science and Metallurgy, Universitat Politècnica de Catalunya, Rambla Exposició 24, Vilanova i la Geltrú, 08800, Spain
Univ Politecn Cataluna, Light Alloys & Surface Treatments Design Ctr, Dept Mat Sci & Met, Rambla Exposicio 24, Vilanova I La Geltru 08800, Spain
Figueroa, Ignacio A.:
Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Cd. Universitaria, A.P. 70-360, Coyoacán, Ciudad de México, 04360, Mexico
Univ Nacl Autonoma Mexico, Inst Invest Mat, Circuito Exterior S-N,Cd Univ, Mexico City 04360, DF, Mexico
Alfonso, Ismeli:
Instituto de Investigaciones en Materiales, Unidad Morelia, Universidad Nacional Autónoma de México, Campus Morelia UNAM, Antigua Carretera a Pátzcuaro No. 8701, Col. Ex-Hacienda de San José de la Huerta, Morelia C.P., Michoacán, 58190, Mexico
Univ Nacl Autonoma Mexico, Inst Invest Mat, Unidad Morelia, Campus Morelia UNAM, Morelia 58190, Michoacan, Mexico
Gonzalez, Gonzalo:
Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Cd. Universitaria, A.P. 70-360, Coyoacán, Ciudad de México, 04360, Mexico
Univ Nacl Autonoma Mexico, Inst Invest Mat, Circuito Exterior S-N,Cd Univ, Mexico City 04360, DF, Mexico
Univ Michoacana, Inst Invest Met & Mat, CU, Edificio U,Av Francisco Mugica S-N, Morelia 58000, Michoacan, Mexico
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