Design Guidelines for Components Die Cast in Creep-Resistant Magnesium Alloys MRI153M and MRI230D

Moscovitch, N.; Gertsberg, G.; Nagar, N.; Yehuda, R.; Fantetti, N.; Bronfín, B.

doi:10.4271/2007-01-1034

SAE Technical Paper Series 2007

DOI: 10.4271/2007-01-1034

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Design Guidelines for Components Die Cast in Creep-Resistant Magnesium Alloys MRI153M and MRI230D

N. Moscovitch¹,

G. Gertsberg²,

N. Nagar³

et al.

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2023

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“…Magnesium alloys are generally difficult to cast because of the ignition, low specific heat, easy solidification, and poor fluidity. Heat-resistant and flame-retardant magnesium alloys with improved properties have been actively used and have been applied to automotive parts as practical materials [6], [7], [8]. Among them, Mg-Al-Th-RE alloy is a magnesium alloy with improved flame retardancy by calcium (Ca) and heat resistance by Thorium (Th) and rare-earth (RE) elements, and with excellent fluidity to which aluminum (Al) is added at about 8% or more.…”

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Analysis of Fractures and Microstructures on Different Injection Speeds in High-Pressure Die-Casting Magnesium Alloy

Ibrahim,

Jendia,

Kashiwabara

et al. 2023

IJIE

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In this study, to clarify the unknown physical properties of the Mg-Al-Th-RE alloy, the relationship between the injection conditions and the internal porosities, and the mechanical properties exerted by the solidification microstructure was investigated. The obtained cast samples were investigated using X-ray CT internal measurements, tensile tests, Vickers hardness tests, and solidification microstructure observations. The tensile strength and the elongation at the injection speed of 5.0 m/s were higher than at 2.0 m/s. The number of porosities affected the tensile strength and the elongation even at the same fracture position. In addition, it was confirmed that segregation affected the destruction smaller the porosity size and the greater the variability of porosity. As the injection speed increased, the amount of heat transferred between the molten metal and the wall surface also increased, resulting in quick freezing and solidification. The tensile strength increased at the injection speed of 5.0 m/s because the interface between the scattered primary crystals and eutectic systems was narrow. On the other hand, at the injection speed of 2.0 m/s, the tensile strength decreased because the molten metal was delayed in solidification and dendrite growth became remarkable.

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Analysis of Fractures and Microstructures on Different Injection Speeds in High-Pressure Die-Casting Magnesium Alloy

Ibrahim,

Jendia,

Kashiwabara

et al. 2023

IJIE

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Recent developments in high-pressure die-cast magnesium alloys for automotive and future applications

Wang¹,

Weiler²

2023

Journal of Magnesium and Alloys

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Design Guidelines for Components Die Cast in Creep-Resistant Magnesium Alloys MRI153M and MRI230D

Cited by 2 publications

References 4 publications

Analysis of Fractures and Microstructures on Different Injection Speeds in High-Pressure Die-Casting Magnesium Alloy

Analysis of Fractures and Microstructures on Different Injection Speeds in High-Pressure Die-Casting Magnesium Alloy

Recent developments in high-pressure die-cast magnesium alloys for automotive and future applications

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