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Experimental evidence supporting a long-lived magma layer at the Martian core–mantle boundary

Pierru R, Gréaux S, Dominijanni S, Man L, Kono Y, Kakizawa S, Higo Y, Badro J, Frost D, Antonangeli D.   +9 more
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Production of TiNi fibers by melt extraction

Powder Metallurgy and Metal Ceramics, 2008
The paper examines the production of TiNi fibers by pendent-drop melt extraction in vacuum. The mean effective diameter of the continuous fibers produced is 37 µm. Resistometrical investigation establishes that martensitic transformations in the fibers start at Ms = 17 °C.
A. G. Kostronov, V. N. Klimenko, M. M. Serov, N. I. Levitskii, S. V. Prishchepov, B. V. Borisov   +5 more
openaire   +1 more source

Melt-extracted oxide ceramic fibres — the fundamentals

Journal of Materials Science, 1996
A melt-extraction technique, using a sharpened molybdenum wheel, has been used to produce fine oxide ceramic fibres. Wetting of the molybdenum wheel by molten ceramic is a key parameter in the melt-extraction process. Two types of fibre are generally obtained, depending on the extraction speed.
M. Allahverdi, R. A. L. Drew, J. O. Strom-Olsen   +2 more
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Amorphous CaO · Al2O3 fibers by melt extraction

Materials Science and Engineering: A, 1996
Abstract A novel melt extraction technique has been used to produce fine calcium aluminate (CaO · Al 2 O 3 ) fibers with wheel velocities of 1.5–65 m s −1 . The geometry of the fibers depends on the wheel velocity; at speeds −1 uniform diameter fibers were obtained, whereas at higher velocities Rayleigh waves formed on the fibers owing to ...
M. Allahverdi, R.A.L. Drew, P. Rudkowska, G. Rudkowski, J.O. Strom-Olsen   +4 more
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Melt extraction and accumulation from partially molten rocks

Lithos, 2004
Current models for melt segregation and ascent are not adequate to accurately describe transport and accumulation in combination. We propose that transport is discontinuous and in batches, and that accumulation occurs by stepwise merging of batches. A simple numerical model of jostling spheres that merge when they touch was used to represent stepwise ...
Bons, P., Arnold, J., Elburg, M., Kalda, J., Soesoo, A., van Milligen, B.   +5 more
openaire   +2 more sources

Melt Extracted Microwires

2017
Amorphous microwires as a new category of advanced materials possess many excellent mechanical and magnetic properties, and have received considerable attention from both the research and industry community. Significant efforts have been devoted to the optimization of fabrication process, tailoring of mechanical and magnetic properties, sensor and ...
H. Wang, F. X. Qin, H. X. Peng, J. F. Sun   +3 more
openaire   +1 more source