Measurement of the thermal expansion coefficient of AISI 420 stainless steel between 20 and 293 K

Year: 2014

Authors: Martelli V., Bianchini G., Ventura G.

Autors Affiliation: European Laboratory for Non-linear Spectroscopy, LENS, Via Nello Carrara 1, 50019 Sesto Fiorentino, Firenze, Italy; Istituto Nazionale di Ottica, INO-CNR, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy; Istituto Nazionale di Fisica Nucleare, INFN Sezione di Roma, P.le Aldo Moro 2, 00185 Roma, Italy

Abstract: The accurate measurement of thermal expansion coefficient at low temperatures is fundamental in applications where a high mechanical stability is required over the complete procedure of cooling. Here we report on our measurement of thermal expansion of AISI 420 between 20 and 293 K, measured by an interferometric dilatometer. (C) 2014 Elsevier Ltd. All rights reserved.

Journal/Review: CRYOGENICS (GUILDF.)

Volume: 62      Pages from: 94  to: 96

KeyWords: Cryogenics; Physics, Accurate measurement; AISI 420; CTE SS420; Low temperatures; Thermal contraction; Thermal expansion coefficients, Thermal expansion
DOI: 10.1016/j.cryogenics.2014.04.018

Citations: 6
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