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Computer simulation of stagnation in grain growth

✍ Scribed by O. Hunderi; N. Ryum

Publisher
Elsevier Science
Year
1981
Weight
668 KB
Volume
29
Category
Article
ISSN
0001-6160

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✦ Synopsis

The process of stagnation in grain growth has been studied by means of computer modeling of the process. Our calculations indicate that stagnation only occurs for large values of the Zener drag, for small values of the drag we find indications for a direct transition to abnormal growth. R&sum&-Nous avons Ctudit It phtnom&ne de la stagnation de la croissance des grains par simulation sur ordinateur. Nos calculs montrent que la stagnation ne se produit que pour de grandes valeun du triinage de Zener; pour de faibles vaieurs du trainage, nous avons trouvi: des indices pour une transition directe vers la croissance anormale. Zusammenfassung-Mittels einer Rechnersimulation wurde der Stillstand des Hohlraumwachstums untersucht. Die Rechnungen zeigen, da8 Stillstat@ nut bei groDer Zoner-Reibung auftritt. Bei kleinen Werten ergeben sich Hinweise auf einen direkten Ubergang zu anormalem Wachstum.

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