نتایج جستجو برای: Mg alloys

تعداد نتایج: 366131  

2014
Young Kyun Kim Won Tae Kim Do Hyang Kim

The formation of the icosahedral phase (I-phase) as a secondary solidification phase in Mg-Zn-Y and Mg-Zn-Al base systems provides useful advantages in designing high performance wrought magnesium alloys. The strengthening in two-phase composites (I-phase + α-Mg) can be explained by dispersion hardening due to the presence of I-phase particles and by the strong bonding property at the I-phase/m...

2014
Young Kyun Kim Won Tae Kim Hyang Kim

The formation of the icosahedral phase (I-phase) as a secondary solidification phase in Mg–Zn–Y and Mg–Zn–Al base systems provides useful advantages in designing high performance wrought magnesium alloys. The strengthening in two-phase composites (I-phase + α-Mg) can be explained by dispersion hardening due to the presence of I-phase particles and by the strong bonding property at the I-phase/m...

Journal: :European cells & materials 2013
D Tie F Feyerabend W D Müller R Schade K Liefeith K U Kainer R Willumeit

The use of magnesium alloys as degradable metals for biomedical applications is a topic of ongoing research and the demand for multifunctional materials is increasing. Hence, binary Mg-Ag alloys were designed as implant materials to combine the favourable properties of magnesium with the well-known antibacterial property of silver. In this study, three Mg-Ag alloys, Mg2Ag, Mg4Ag and Mg6Ag that ...

Mg alloys have a vast usage where weight reduction is really significant since they do the features really well for materials of ultra-light weight. However, Mg is inherently a reactive metal and its alloys generally possess quite weak corrosion resistance that widely restricts their technological usages, especially in some rough service conditions. Despite, many investigations on the passive a...

2016
Yunfei Ding Jixing Lin Cuie Wen Dongmei Zhang Yuncang Li

Our previous studies have demonstrated that Mg-Zr-Sr alloys can be anticipated as excellent biodegradable implant materials for load-bearing applications. In general, rare earth elements (REEs) are widely used in magnesium (Mg) alloys with the aim of enhancing the mechanical properties of Mg-based alloys. In this study, the REE holmium (Ho) was added to an Mg-1Zr-2Sr alloy at different concentr...

Journal: :Journal of Japan Institute of Light Metals 1988

2010
K. Hono K. Oh-ishi C. L. Mendis T. Ohkubo

The three dimensional atom probe (3DAP) is the only tomography technique with an atomic resolution. Due this unique feature, it has been widely used in semi-quantitative compositional analyses of solute clusters and nanosized precipitates in alloys. Various microalloying effects in the precipitation processes of aluminum alloys have been investigated using the 3DAP. The most well-known example ...

2016
Chen Liu Xuekun Fu Haobo Pan Peng Wan Lei Wang Lili Tan Kehong Wang Ying Zhao Ke Yang Paul K. Chu

A series of biodegradable Mg-Cu alloys is designed to induce osteogenesis, stimulate angiogenesis, and provide long-lasting antibacterial performance at the same time. The Mg-Cu alloys with precipitated Mg2Cu intermetallic phases exhibit accelerated degradation in the physiological environment due to galvanic corrosion and the alkaline environment combined with Cu release endows the Mg-Cu alloy...

2010
Jung-Moo Lee Kyung-Hyun Kim Hwa-Jung Kim Yong-Sik Ahn

Cast aluminum alloys are widely applied for the transportation industry. Alloys with silicon and magnesium as the main alloying elements are the most important of the aluminum casting alloys because of their high fluidity. However, Al-Si-Mg alloys have exhibited medium strength level at room and, especially, at elevated temperature. Recently, new casting alloys with high magnesium and silicon h...

Journal: :Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada 2009
Philippe Jonnard Karine Le Guen Raynald Gauvin Jean-François Le Berre

The valence states of Mg-Al alloys are compared to those of reference materials (pure Mg and Al metals, and intermetallics). Two methods based on X-ray emission spectroscopy are proposed to determine the phases and their proportion: first, by analyzing the Al valence spectra of the Mg-rich alloys and the Mg valence spectra of the Al-rich alloys; second, by fitting with a linear combination of t...

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