Abstract
High-pressure die cast (HPDC) magnesium alloy AM60 is recognized for its versatility in the manufacturing of weight sensitive components of relatively thin cross section. To further expand practical applications of the alloy, squeeze casting has been proposed to allow for thicker castings. In this study, AM60 alloy specimens of 10mm thickness were squeeze cast using a hydraulic press with an applied pressure of 60 MPa. Fracture energies, following a Charpy Impact Testing protocol, of the squeeze cast specimens were characterized in comparison with the HPDC counterparts using both experimental and numerical techniques. The experimental results show the squeeze cast alloy absorbing approximately 46.2% more energy during impact than its HPDC counterpart. Scanning electron microscopy fractography reveals the favourable quasi-cleavage fracture mode of the squeeze cast alloy AM60, relative to the decohesive rupture fracture mode present in the die cast alloy.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
Hu, H., Yu, A., Li, N. & Allison, J.E. “Potential Magnesium Alloys for High Temperature Die Cast Automotive Applications: A Review.” Materials and Manufacturing Processes 18.5 (2003): 687–717.
Zhou, M., Hu, H., Li, N. & Lo, J. “Microstructure and Tensile Properties of Squeeze Cast Magnesium Alloy AM50.” Journal of Materials Engineering and Performance 14.4 (2005): 539–45.
Wang, S., Sun, Z. & Hu, H. “Effect of Pressure Levels on Tensile Properties of Squeeze Cast Mg-Al-Sr Alloy.” Magnesium Technology (2008): 421–25.
Masoumi, M. & Hu, H. “Influence of Applied Pressure on Microstructure and Tensile Properties of Squeeze Cast Magnesium mg-Al-Ca Alloy.” Materials Science and Engineering A 528.10–11 (2011): 3589–93.
Sun, Z., Hu, H. & Niu, X. “Determination of Heat Transfer Coefficients by Extrapolation and Numerical Inverse Methods in Squeeze Casting of Magnesium Alloy AM60.” Journal of Materials Processing Technology 211.8 (2011): 1432–40.
ASTM Standard D3800, 1999 (2010), “Standard Test Method for Density of High-Modulus Fibers”, ASTM International, West Conshohocken, PA, 2002, DOI: 10.1520/D3800–99, www.astm.org
ASTM Standard ASTM E23, 2007a, “Standard Test Methods for Notched Bar Impact Testing of Metallic Materials”, ASTM International, West Conshohocken, PA, 2002, DOI: 10.1520/E0023–07AE01, www.astm.org
ASTM Standard E2298, 2009, “Standard Test Method for Instrumented Impact Testing of Metallic Materials”, ASTM International, West Conshohocken, PA, 2002, DOI: 10.1520/E2298–09, www.astm.org
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2012 TMS (The Minerals, Metals & Materials Society)
About this chapter
Cite this chapter
DiCecco, S., Hu, H., Altenhof, W. (2012). Impact and Energy Dissipation Characteristics of Squeeze and Die Cast Magnesium Alloy AM60. In: Mathaudhu, S.N., Sillekens, W.H., Neelameggham, N.R., Hort, N. (eds) Magnesium Technology 2012. Springer, Cham. https://doi.org/10.1007/978-3-319-48203-3_31
Download citation
DOI: https://doi.org/10.1007/978-3-319-48203-3_31
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48571-3
Online ISBN: 978-3-319-48203-3
eBook Packages: Chemistry and Materials ScienceChemistry and Material Science (R0)