1958
DOI: 10.1002/srin.195802259
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Untersuchungen über die Temperaturabhängigkeit des Elastizitätsmoduls der Eisen‐Chrom‐Sigmaphase

Abstract: Untersuchungen der Temperaturabhängigkeit des Elastizitätsmoduls, des elektrischen Widerstands und der Wärmeausdehnung von zwei Eisen‐Chrom‐Legierungen mit 45 und 41% Cr. Vergleich mit dem Verhalten einer Eisen‐Vanadin‐Legierung mit 27% V und einer Eisen‐Nickel‐Legierung mit 74% Ni.

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“…In general, the Debye temperature is high for hard materials and low for soft ones. This is not the case here: a small difference between the two sets of D -values reflects neither a huge difference between the brittleness and hardness of the two phases (the σ -phase is by a factor of 3-4 harder than the α-phase [13]) nor a pronounced difference in elastic properties (the Young modulus of the α-phase is at RT almost twice larger than that of the σ -phase, while at 1023 K it is ∼20% smaller [14]). Å3 for the σ form and v = 11.9 Å3 for the α form.…”
Section: Resultsmentioning
confidence: 69%
“…In general, the Debye temperature is high for hard materials and low for soft ones. This is not the case here: a small difference between the two sets of D -values reflects neither a huge difference between the brittleness and hardness of the two phases (the σ -phase is by a factor of 3-4 harder than the α-phase [13]) nor a pronounced difference in elastic properties (the Young modulus of the α-phase is at RT almost twice larger than that of the σ -phase, while at 1023 K it is ∼20% smaller [14]). Å3 for the σ form and v = 11.9 Å3 for the α form.…”
Section: Resultsmentioning
confidence: 69%