Microstructure and creep behavior of CaO added Mg-Al-Si alloys

Young Gil Jung, Wonseok Yang, K. Shae, Hyunkyu Lim, Do Hyang Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

For automotive parts used at elevated temperatures, such as transmission cases and engine blocks, it is necessary to improve the creep resistance of magnesium alloys. For this reason, various magnesium alloys have been developed for elevated temperature applications. In this study, the microstructure and creep behavior of CaO added Mg-Al-Si alloys (Mg-5.0Al-0.7Si, Mg-5.0Al-0.7Si-0.5CaO, Mg-5.0Al-0.7Si-0.5CaO-0.3Sr) were investigated. The microstructures were observed by OM, SEM and TEM. To evaluate the mechanical properties, tensile tests were carried out at room and high temperature, and creep tests were performed at 150 °C with applied loads from 50 to 80 MPa.

Original languageEnglish
Pages (from-to)805-811
Number of pages7
JournalJournal of Korean Institute of Metals and Materials
Volume52
Issue number10
DOIs
Publication statusPublished - 2014 Oct 1

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Creep
Magnesium Alloy
Microstructure
Magnesium alloys
Creep resistance
Tensile Test
Temperature
Mechanical Properties
Engine
Engines
Transmission electron microscopy
Mechanical properties
Scanning electron microscopy
Necessary
Evaluate

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Modelling and Simulation
  • Surfaces, Coatings and Films
  • Metals and Alloys

Cite this

Jung, Young Gil ; Yang, Wonseok ; Shae, K. ; Lim, Hyunkyu ; Kim, Do Hyang. / Microstructure and creep behavior of CaO added Mg-Al-Si alloys. In: Journal of Korean Institute of Metals and Materials. 2014 ; Vol. 52, No. 10. pp. 805-811.
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Microstructure and creep behavior of CaO added Mg-Al-Si alloys. / Jung, Young Gil; Yang, Wonseok; Shae, K.; Lim, Hyunkyu; Kim, Do Hyang.

In: Journal of Korean Institute of Metals and Materials, Vol. 52, No. 10, 01.10.2014, p. 805-811.

Research output: Contribution to journalArticle

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AU - Shae, K.

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AU - Kim, Do Hyang

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AB - For automotive parts used at elevated temperatures, such as transmission cases and engine blocks, it is necessary to improve the creep resistance of magnesium alloys. For this reason, various magnesium alloys have been developed for elevated temperature applications. In this study, the microstructure and creep behavior of CaO added Mg-Al-Si alloys (Mg-5.0Al-0.7Si, Mg-5.0Al-0.7Si-0.5CaO, Mg-5.0Al-0.7Si-0.5CaO-0.3Sr) were investigated. The microstructures were observed by OM, SEM and TEM. To evaluate the mechanical properties, tensile tests were carried out at room and high temperature, and creep tests were performed at 150 °C with applied loads from 50 to 80 MPa.

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