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Modification of the Al0.9Zn0.05Sn0.05 Alloy Microstructure by Cold Working and Chemical Composition

Published online by Cambridge University Press:  04 December 2017

M.L. Mendoza-López ,
M.E. Pérez-Ramos ,
G. Atanacio-Jiménez ,
J. Pérez-Meneses ,
M. Mexicano-Tovar ,
C. M Bustos-Morales ,
M. Rubio-Bazaldúa  and
J.J. Pérez-Bueno
M.L. Mendoza-López*
Affiliation:
Tecnológico Nacional de México, Instituto Tecnológico de Querétaro, Depto. de Metalmecánica, Av. Tecnológico S/N, Col. Centro, C.P. 76000, Qro. México.
M.E. Pérez-Ramos
Affiliation:
Tecnológico Nacional de México, Instituto Tecnológico de Querétaro, Depto. de Metalmecánica, Av. Tecnológico S/N, Col. Centro, C.P. 76000, Qro. México.
G. Atanacio-Jiménez
Affiliation:
Tecnológico Nacional de México, Instituto Tecnológico de Querétaro, Depto. de Metalmecánica, Av. Tecnológico S/N, Col. Centro, C.P. 76000, Qro. México.
J. Pérez-Meneses
Affiliation:
Tecnológico Nacional de México, Instituto Tecnológico de Querétaro, Depto. de Metalmecánica, Av. Tecnológico S/N, Col. Centro, C.P. 76000, Qro. México.
M. Mexicano-Tovar
Affiliation:
Tecnológico Nacional de México, Instituto Tecnológico de Querétaro, Depto. de Metalmecánica, Av. Tecnológico S/N, Col. Centro, C.P. 76000, Qro. México.
C. M Bustos-Morales
Affiliation:
Tecnológico Nacional de México, Instituto Tecnológico de Querétaro, Depto. de Metalmecánica, Av. Tecnológico S/N, Col. Centro, C.P. 76000, Qro. México.
M. Rubio-Bazaldúa
Affiliation:
Tecnológico Nacional de México, Instituto Tecnológico de Querétaro, Depto. de Metalmecánica, Av. Tecnológico S/N, Col. Centro, C.P. 76000, Qro. México.
J.J. Pérez-Bueno
Affiliation:
Centro de Investigación y Desarrollo Tecnológico en Electroquímica, S.C., Parque Tecnológico Querétaro-Sanfandila, Pedro Escobedo C.P. 76703, Qro. México.
*
*(Email: [email protected])
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Abstract

Aluminum alloys have increased their use due to the properties such as low density, resistance to corrosion under environmental conditions and mechanical properties. In this work, the alloying elements are immiscible promoting dendrites formation with different phases attributed to zinc and tin. The applied mechanical stresses promoted the modification of the dendrite sizes (interdendritic space) as well as pore sizes and shapes. The microhardness decreased in the ternary Al-Zn-Sn alloy with a subsequent increase caused by microstructural changes after cold work. By XPS, the metallic elements were detected with an aluminum oxide layer.

Keywords

Alalloychemical compositioncold workinggrain boundaries
Type
Articles
Information
MRS Advances , Volume 2 , Issue 64: International Materials Research Congress XXVI , 2017 , pp. 4049 - 4054
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Copyright
Copyright © Materials Research Society 2017 

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References

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