Controlling the ignition and flammability of magnesium for aerospace applications

Czerwiński, F.

doi:10.1016/j.corsci.2014.04.047

Cited by 244 publications

(116 citation statements)

References 60 publications

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“…Aunque la producción del magnesio ha aumentado hasta en un 80% en las últimas décadas [1], su manipulación se considera peligrosa debido a su punto de ignición durante los procesos de fundición lo que podría causar algún accidente. Con el fin de reducir los riesgos durante el proceso de fabricación por fundición con magnesio puro y sus aleaciones, se ha reportado la adición de elementos aleantes como el calcio, el cerio entre otros; para bajar el punto de ignición [9][10][11]. Así mismo, se debe evitar el contacto de la superficie con el oxígeno que promueve la ignición y sobre todo la producción de hidrogeno.…”

Section: Introductionunclassified

Comportamiento microestructural de una fundición de magnesio puro con control en la temperatura de solidificación

et al. 2017

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En este trabajo se estudió el comportamiento microestructural del magnesio (Mg) puro luego de ser sometido a un proceso de fundición realizado en un horno con control de atmósfera de fabricación propia y con control de la temperatura de solidificación. Con este trabajo se buscó determinar el cambio en la composición del Mg debido a la atmosfera protectora utilizada mediante SEM/EDS y se estudió el cambio en la microestructura del Mg puro luego de realizar una solidificación en una lingotera a una temperatura de 200°C dentro del sistema de fundición, en el cuál se utilizó una atmósfera pobre en oxígeno con una mezcla de CO2 y SF6. De la evaluación composicional se evidenció un cambio en el material debido a los gases usados y los elementos con los que interactuó el Mg. Se pudo observar un cambio en la microestructura del Mg por medio de análisis de microscopía óptica y SEM, observando diferencias en la cantidad y distribución de inclusiones y partículas presentes en el Mg. Además, se observó la generación de una estructura dendrítica tras el proceso de fundición, lo cual no se evidenció en el material base. Finalmente, con el sistema de fundición fabricado se logró obtener un lingote de Mg con condiciones similares al material base, además obtener una microestructura con granos más finos y una mejor distribución de partículas en la matriz.

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Section: Introductionunclassified

Comportamiento microestructural de una fundición de magnesio puro con control en la temperatura de solidificación

et al. 2017

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“…This can be replaced by magnesium alloys through redesigning resulting in about 30% weight saving. This translates into 360 kg weight saving for a typical 117-seat narrow body Airbus A318 and up to 4200 kg for a 700 seat Airbus A380 wide body plane [52,53]. To note is that there are also many other areas for aluminum alloys replacement in an aircraft such as in unit loading devices and will depend on the combined vision of a design/structural engineer and a materials engineer.…”

Section: A Typical Example Of Weight Saving Through Replacement Of Almentioning

confidence: 99%

Utilizing Magnesium based Materials to Reduce Green House Gas Emissions in Aerospace Sector

Gupta¹,

Gupta²

2017

AAOAJ

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This article highlights the importance of light weighting option in aerospace sector as an effective measure of reducing the carbon dioxide emission. Various methods of reduction in fuel consumption in aerospace sector are highlighted. Use of magnesium based materials as replacement for aluminum based materials and fiber based composites for light weighting is highlighted with an example. Myths of ignitability and flammability are dispelled by directing the attention of the readers to the inherent thermal properties of magnesium in bulk form and through highlighting the past and present use of magnesium based materials in both fighter and commercial aircrafts. Information is also provided on the availability of some coating techniques that can bring the corrosion resistance of magnesium based materials at par with aluminum based materials.

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“…For example, magnesium is often used as casings for electronic products (such as mobile phones, laptops and digital cameras) and sport components (bike frame and wheels, archery bow and golf clubs). With new development in recent years, magnesium has been tested for use as seat frames for aircrafts, cars and buses with improved weight savings and satisfactory performance [46][47][48] as well as other components such as instrument panels, doors, powertrains and tyre rims [49,50]. The application of magnesium alloys and composites in various industries are expected to increase in future due to: (1) the development of new Mg alloys and nanocomposites with improved ductility, ignition temperature and corrosion resistance [4,48,51], (2) innovations in processing and fabrication technologies for magnesium [5,50] In the biomedical sector, magnesium alloyed with rare earth and other elements such as calcium and zirconium [51,53] and reinforced with nanoparticles [9,15,54,55] are increasing being explored.…”

Section: Engineering and Biomedical Applicationsmentioning

confidence: 99%

High Performance Lightweight Magnesium Nanocomposites for Engineering and Biomedical Applications

Wong¹,

Gupta²

2016

NanoWorld J

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Magnesium is the lightest structural metal that can be used for engineering applications and its non-toxic nature makes it attractive for use as a biomedical implant. The judicious addition of nanoparticles to magnesium assists in enhancing multiple engineering properties that are critical for its widespread use and are superior to that exhibited by conventional micron-size particles containing composites. The ability to improve mechanical properties with the use of smaller volume fraction of reinforcements while keeping density low makes magnesium nanocomposites an attractive choice for lightweight engineering and bio-resorbable biomedical applications. In view of the exceptional response of magnesium in presence of nano-length scale reinforcements, an attempt is made in this paper to provide a brief review of characteristics of several magnesium nanocomposites illustrating the effects of ceramic and metallic reinforcements to enhance mechanical properties.

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Controlling the ignition and flammability of magnesium for aerospace applications

Cited by 244 publications

References 60 publications

Comportamiento microestructural de una fundición de magnesio puro con control en la temperatura de solidificación

Comportamiento microestructural de una fundición de magnesio puro con control en la temperatura de solidificación

Utilizing Magnesium based Materials to Reduce Green House Gas Emissions in Aerospace Sector

High Performance Lightweight Magnesium Nanocomposites for Engineering and Biomedical Applications

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