Dimensional variations in Newtonian‐quenched metal ribbons formed by melt spinning and melt extraction

Autor:	H. E. Cline, T. R. Anthony
Rok vydání:	1979
Předmět:	Materials science General Physics and Astronomy Puddle Condensed Matter::Soft Condensed Matter Computer Science::Robotics Atmosphere Vibration Wavelength Condensed Matter::Superconductivity Distortion Ribbon Newtonian fluid Melt spinning Composite material
Zdroj:	Journal of Applied Physics. 50:245-254
ISSN:	1089-7550 0021-8979
DOI:	10.1063/1.325708
Popis:	The wavelengths and directions of dimensional variations in metal ribbons quenched by Newtonian cooling from the melt are estimated for the melt‐spinning and the melt‐extraction processes. The main sources of dimensional variation are the vibration and distortion of the melt puddle from which the ribbon is solidified and the variation of the Newtonian coefficient of cooling along the ribbon‐roller interface. Puddle vibration and distortion can be controlled by using the melt‐extraction process or a melt‐constrained melt‐spinning process. Variation of the Newtonian coefficient of cooling along the ribbon‐roller interface can be diminished by operating under vacuum or in a low‐atomic‐number rare‐gas atmosphere and by using a smooth roller that is cleaned during each roller revolution.
Databáze:	OpenAIRE
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