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

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

doi:10.3365/KJMM.2014.52.10.805

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

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

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

4 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 language	English
Pages (from-to)	805-811
Number of pages	7
Journal	Journal of Korean Institute of Metals and Materials
Volume	52
Issue number	10
DOIs	https://doi.org/10.3365/KJMM.2014.52.10.805
Publication status	Published - 2014 Oct 1

Bibliographical note

Publisher Copyright:
Copyright © The Korean Institute of Metals and Materials.

All Science Journal Classification (ASJC) codes

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

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10.3365/KJMM.2014.52.10.805

Cite this

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title = "Microstructure and creep behavior of CaO added Mg-Al-Si alloys",

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.",

author = "Jung, {Young Gil} and Wonseok Yang and K. Shae and Hyunkyu Lim and Kim, {Do Hyang}",

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T1 - Microstructure and creep behavior of CaO added Mg-Al-Si alloys

AU - Jung, Young Gil

AU - Yang, Wonseok

AU - Shae, K.

AU - Lim, Hyunkyu

AU - Kim, Do Hyang

PY - 2014/10/1

Y1 - 2014/10/1

N2 - 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.

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

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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