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Physical features of pure metals

Effect of temperature on Young's modulus, hardness number and specific heat capacity of pure metals

Einfluss der Temperatur auf den Elastizitätsmodul, die Härte und die spezifische Wärmekapazität reiner Metalle
  • Alfred Buch
From the journal Materials Testing

Abstract

In the present contribution, the effect of temperature on three different physical properties of pure metals is highlighted. In several examples, the linear behavior of these parameters in a large temperature range is explained by the linear or at least nearly linear behavior of the specific heat as a function of the temperature of pure metals. Additionally, it is outlined that in the case of nearly equal electric resistances the alteration of Young's modulus at equal temperature increase is quite similar for two metals of the same subgroup of the periodic system which have the same structure.

Kurzfassung

Im vorliegenden Beitrag wird der Temperatureinfluss auf drei verschiedene physikalische Eigenschaften reiner Metalle betrachtet. An diversen Beispielen wird das lineare Verhalten dieser Größen in einem großen Temperaturbereich mit dem linearen oder zumindest teilweise linearen Verhalten der spezifischen Wärme als Funktion der Temperatur reiner Metalle erklärt. Es wird auch bewiesen, dass für Metalle derselben Untergruppe des Periodensystems und dieselbe Struktur haben im Fall nahezu gleicher elektrischer Widerstände die Abnahme des Elastizitätsmodules bei derselben Temperaturerhöhung ähnlich ist.


Prof. Dr. Tech. Sc. Alfred Buch studied mechanical engineering and material science in Warsaw, Lvov and St. Petersburg. He received the degrees of M. Sc. in 1943 and of Dr. Sc. in 1949. From 1956 to 1968 he was been head of the Material Strength Department of an Industrial Research Institute in Warsaw. From 1969 until his retirement, he worked the Aeronautical Department of the Technical University Technion in Haifa. He is the author and coauthor of many publications in the field of fatigue and material science. In his dealings with German researchers, he has frequently cooperated with the Institut für Werkstoffkunde and the Laboratorium für Betriebsfestig-keit in Darmstadt.


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Published Online: 2013-05-26
Published in Print: 2004-05-01

© 2004, Carl Hanser Verlag, München

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