Creep properties Of Mg-Zn alloy improved by calcium addition.

Horie, Toshio; Iwahori, Hiroaki; Awano, Yoji; Matsui, Akira

doi:10.2464/jilm.49.272

Cited by 10 publications

(3 citation statements)

References 3 publications

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“…[7][8][9][10] Nie and Muddle 11) pointed out the importance of a fine distribution of Mg 2 Ca precipitates caused by precipitation-hardening by aging of Mg-Ca alloys. Also, Piatti and Stoto 12) showed that superplastic behavior is attained in a Mg-Ca eutectic alloy.…”

Section: Introductionmentioning

confidence: 99%

“…In many studies related to Mg-Ca alloys, [7][8][9][10][11]13) ternary Mg alloys such as Mg-Al-Ca and Mg-Zn-Ca have been investigated. For these alloys, the precipitation behavior is too complicated to understand effects of addition of Ca on mechanical properties of Mg. Also, room temperature properties have received little attention for the Mg-Ca alloys.…”

Section: Introductionmentioning

confidence: 99%

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Tensile Properties from Room Temperature to 673 K of Mg-0.9 mass%Ca Alloy Containing Lamella Mg<SUB>2</SUB>Ca

et al. 2002

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Tensile properties were investigated from room temperature to 673 K of a binary Mg-0.9 mass%Ca alloy where Mg 2 Ca phase was dispersed as lamella. The 0.2% proof stress significantly increased by the Mg 2 Ca phase in the temperature range investigated. It was suggested that strengthening by stable lamella Mg 2 Ca in the grains and limitation of deformation related to grain boundaries by Mg 2 Ca phase at grain boundaries contribute to improvement of high temperature strength for the Mg-Ca alloy.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Tensile Properties from Room Temperature to 673 K of Mg-0.9 mass%Ca Alloy Containing Lamella Mg<SUB>2</SUB>Ca

et al. 2002

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“…Ca is considered as the most effective non-REs solute that can significantly improve the creep resistance of various Mg systems through the formation of thermally stable intermetallic compounds in the alloy at elevated temperatures. This resulted in the development of a number of creep-resistant Mg alloys, including the AX series, Mg-Zn-Ca and Mg-Sn-Ca alloys [72,157,171]. Gao et al [161] reported that the peak-aged Mg-1Ca-1Zn-0.6Zr (wt.%) alloy exhibited the minimum creep rates at a range of stresses at 150 ℃ about two order of magnitude lower than that of the peak-aged AZ91 alloy, owing to the presence of thermally stable discs on the basal plane of the Mg. On the other hand, unlike the Mg-REs, Mg-Sn and Mg-Zn systems, the low solid solubility of Ca in Mg (0.82at.%) limits the precipitation hardening response in Ca-containing Mg alloys.…”

Section: Mg-ca Alloysmentioning

confidence: 99%

Development of new creep-resistant magnesium alloys with low cost

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As the lightest metallic structural materials, magnesium (Mg) and its alloys have attracted increasing interest in automotive and aerospace industries because of the benefits to energy conservation and improved fuel efficiency through significant weight reduction. However, the insufficient high-temperature mechanical and creep properties of magnesium alloys have restricted the wider applications in industries, such as the powertrain components. So far, rare earth elements (RE)-The four-year PhD study is really a long journey, but I would not have imagined before that this moment will come to draw the full stop to this wonderful journey. I really enjoyed the beautiful views around my working office, the UQ lake with all lovely creatures, the jacaranda petals dancing in the air and the all-year golden sunshine. Looking back to these years, I went through confusion, hardship, tiredness and sadness, also gathered achievability, happiness, grow-up and love. I never forget every failure of experiments, every day and night that I worked in the lab, and every delight brought by the publications of my work. This PhD study not just grants me a title or a degree, more importantly, guides me to the right attitude towards learning, which will be a lifelong benefit. I am thankful to those who helped and accompanied me to reach my port of destination. In the following sentences, I would like to take this opportunity to express my gratitude to them.The sincere appreciation of mine must be firstly delivered to my principal supervisor, Prof.Mingxing Zhang, for his guidance throughout the course, bondless generosity, kindness and patience.Before studying in UQ as an exchange undergraduate student in 2013, I would never imagine that I will engage in PhD study one day. I thank him for giving me such a precious opportunity to participate in this meaningful project and work alongside him in his research group. His great attitude and passion for research not only teach me what true scientist is all about, but also significantly inspire me on my own project. More importantly, I would like to express my heartfelt thanks for his unconditional support to my PhD study and daily life, which greatly motivate me to complete my PhD project. I wish to thank my associated supervisor Dr. Michael Bermingham and pre-associated supervisor Dr. Carlos H. Cá ceres, for their invaluable guidance and support to my PhD project. Their constructive suggestions and rigorous academic attitude strongly influenced me on my daily research work.Especially, I would like to thank Dr. Michael Bermingham for his great help to paper writing, which is beneficial to me a lot. I would like to express my great gratitude to Prof. Fusheng Pan and Prof. Bin Jiang for their insightful advices on my project and their kindly help with the use of transmission electron microscopy in the University of Chongqing. I'm also thankful to Dr. Yuanding Huang and Dr. Hajo Dieringa for their great support to creep testing experiments and considerable arrangement during my academic visiting i...

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