![](/images/graphics-bg.png)
Effect of Mg Content and Heat Treatment on the Mechanical Properties of Low Pressure Die-Cast 380 Alloy
Joint Authors
Samuel, F. H.
Elgallad, Emad M.
Doty, Herbert W.
Valtierra, S.
Morin, S.
Source
Advances in Materials Science and Engineering
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2016-10-25
Country of Publication
Egypt
No. of Pages
12
Abstract EN
The present study was carried out on a 380 alloy containing 9.13% Si, 3.22% Cu, 1.01% Fe, 0.06% Mg, 0.16% Mn, and 2.28% Zn.
The magnesium level was increased to 0.3 and 0.55%, by adding pure Mg to the melt.
Tensile and fatigue samples were produced using low pressure die casting.
The results show that the average dendrite arm spacing was about 6 μm.
Increasing the amount of Mg from 0.06% to 0.55% increased the volume fraction of π-Al8Mg3FeSi6 and Q-Al5Cu2Mg8Si6 phases from 0.8% to 1.7%.
Following solutionizing at 490°C for 8 h, the maximum ultimate tensile strength was obtained from alloys containing 0.3% Mg.
Further increases in Mg content resulted in an increase in the amount of insoluble intermetallics and, hence, low tensile strength.
Aging at 155°C for times up to 25 h resulted in a linear increase in the alloy strength regardless of the amount of added Mg.
Aging at 220°C, however, revealed multiple peaks corresponding to the precipitation of various phases.
A good relation between the applied force and the number of cycles prior to failure was established.
The alloy containing 0.3% Mg produced the best fatigue resistance.
The effect of porosity was more pronounced on the fatigue samples than on the tensile bars.
American Psychological Association (APA)
Morin, S.& Elgallad, Emad M.& Doty, Herbert W.& Valtierra, S.& Samuel, F. H.. 2016. Effect of Mg Content and Heat Treatment on the Mechanical Properties of Low Pressure Die-Cast 380 Alloy. Advances in Materials Science and Engineering،Vol. 2016, no. 2016, pp.1-12.
https://search.emarefa.net/detail/BIM-1096409
Modern Language Association (MLA)
Morin, S.…[et al.]. Effect of Mg Content and Heat Treatment on the Mechanical Properties of Low Pressure Die-Cast 380 Alloy. Advances in Materials Science and Engineering No. 2016 (2016), pp.1-12.
https://search.emarefa.net/detail/BIM-1096409
American Medical Association (AMA)
Morin, S.& Elgallad, Emad M.& Doty, Herbert W.& Valtierra, S.& Samuel, F. H.. Effect of Mg Content and Heat Treatment on the Mechanical Properties of Low Pressure Die-Cast 380 Alloy. Advances in Materials Science and Engineering. 2016. Vol. 2016, no. 2016, pp.1-12.
https://search.emarefa.net/detail/BIM-1096409
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1096409