Hostname: page-component-cd9895bd7-lnqnp Total loading time: 0 Render date: 2024-12-28T13:31:23.755Z Has data issue: false hasContentIssue false
  • English
  • Français

Microstructural Evaluation of a Zn-Al-Ag Alloy

Published online by Cambridge University Press:  02 January 2019

J. Beltrán-González ,
G. Carbajal de la Torre ,
A. Ruiz  and
M.A. Espinosa Medina Open the ORCID record for M.A. Espinosa Medina [Opens in a new window]
J. Beltrán-González
Affiliation:
Facultad de Ingeniería Mecánica, Universidad Michoacana de San Nicolás de Hidalgo, C.P.58000, Morelia, Michoacán, México.
G. Carbajal de la Torre
Affiliation:
Facultad de Ingeniería Mecánica, Universidad Michoacana de San Nicolás de Hidalgo, C.P.58000, Morelia, Michoacán, México.
A. Ruiz
Affiliation:
Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, C.P.58000, Morelia, Michoacán, México.
M.A. Espinosa Medina*
Affiliation:
Facultad de Ingeniería Mecánica, Universidad Michoacana de San Nicolás de Hidalgo, C.P.58000, Morelia, Michoacán, México.
*
* Corresponding author: marespmed@gmail.com
Get access

Abstract

In this study, the microstructural characterization of a superplastic Zn-Al-Ag alloy (72, 24, and 4 in % wt. respectively) by using spectroscopy analysis techniques was obtained. The X-Ray Fluorescence (XRF), Scanning Electron Microscope (SEM) and X-Ray Diffraction (XRD) techniques were used. The main objective of this alloy development is to improve its super-plasticity property and increases its corrosion resistance in acid rain environments. The effect of small grain microstructure of the alloy obtained at the end of the fabrication process improved the super-plasticity behavior. The result of the fabrication process was observed by the characterization of crystallographic phases (morphology, size and distribution) and the chemical composition. The obtained results by XRF shown that Zn was the higher proportion element, in addition the Ag (4% wt.) addition to Zn-Al base alloy improves the grain refinement, as was observed by the SEM characterization. The Ag3Al and AgZn3 intermetallic compounds homogeneously dispersed were observed in the microstructure of the Zn-Al solid solution phase. The size grain observed after the rolling process was less than 10 µm, and it was associated to one of the main characteristics of super-plasticity properties. The XRD analysis results corroborated the present phases in the alloy, as was identified with the SEM and EDS characterization.

Keywords

microstructuresuperplasticityscanning electron microscopy (SEM)
Type
Articles
Information
MRS Advances , Volume 3 , Issue 62: International Materials Research Congress XXVII , 2018 , pp. 3621 - 3627
Copyright
Copyright © Materials Research Society 2018 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Robles Casolco., Said, Tesis: Caracterización mecánica del eutectoide Zn-Al, modificado con Plata.: Universidad Nacional Autónoma de México. México. 2004.Google Scholar
Demirtas, M., Kawasaki, M., Yanar, H., Purcek, G.. High temperature superplasticity and deformation behavior of naturally aged Zn-Al alloys with different phase compositions. Materials Science & Engineering A 730 (2018) 73–83.CrossRefGoogle Scholar
Casolco, Said R., Negrete-Sánchez, J., Torres-Villaseñor, G.. Influence of silver on the mechanical properties of Zn-Al eutectoid superplastic alloy. Materials Characterization 51 (1) (2003) 63-67.CrossRefGoogle Scholar
Flores, M., Huerta, L., Casolco, S.R., Muhl, S., Torres-Villaseñor, G., Luna, J.A., The Effect of Ag Addition on the Corrosion of Zn-22wt%Al Alloys. MRS Proceedings 781 (2003) Z3.4. doi:10.1557/PROC-781-Z3.4Google Scholar
Casolco, Said R., Parra, M. López, Torres Villaseñor, G.. High strain rate superplasticity of a Zn–22 wt.%Al–x wt.%Ag alloys. Journal of Materials Processing Technology 174 (2006) 389–393CrossRefGoogle Scholar
Valdeza, S., Pérez, R., Rodriguez-Diaz, R.A., Angeles-Chávez, C., Casolco, S.R.. Relationship between silver concentration with microstructural and mechanical properties of rolled AlZn alloy. Materials Science and Engineering A 527 (2010) 3085–3090CrossRefGoogle Scholar
Fu, Shao-Wei, Lee, Chin C.. A study on intermetallic compound formation in Ag–Al system and evaluation of its mechanical properties by micro-indentation. Journal of Materials Science: Materials in Electronics (2018) 29:3985–3991.Google Scholar
Villagomez-Galindo, M., Carbajal-De la Torre, G., Romo-Castañeda, J.C., Bedolla-Jacuinde, A., González-Rojas, H.A. and Espinosa-Medina, M.A., Casting Fe–Al-based intermetallics alloyed with Li and Ag. Journal of Materials Research 31 (16), (2016) 2473-2481.CrossRefGoogle Scholar
Hernández, M.A., Casolco, S.R., Valdez, S., Electrochemical Characteristics of Eutectoid AlZnAg Alloys. ECS Transactions, 36 (1) (2011) 93-99.CrossRefGoogle Scholar