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Unusual changes in ...
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Alekseeva, L.A.B. I. Verkin Institute of Low-temperature Physics and Engineering, National Academy of Sciences of Ukraine
(författare)
Unusual changes in the shape of solid parahydrogen with higher than natural isotope content
- Artikel/kapitelEngelska2016
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AIP Publishing,2016
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LIBRIS-ID:oai:DiVA.org:ltu-11331
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-11331URI
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https://doi.org/10.1063/1.4954786DOI
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Språk:engelska
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Sammanfattning på:engelska
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Validerad; 2016; Nivå 2; 20160816 (andbra)
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The relative elongation epsilon of samples of high purity (99.9999 mol. % with respect to nonhydrogenic impurities) parahydrogen (p-H-2, similar to 0.2% o-H-2) with different amounts of the stable hydrogen isotope deuterium is measured as a function of applied stress sigma at temperatures of 1.8-4.2 K. The samples were subjected to uniaxial tension by stepwise loading. The ratio [D]/[H] of the number [D] of deuterium atoms to the number [H] of p-H-2 hydrogen atoms ranged from 0.0055 +/- 0.0005 at. % up to 0.07 at. %. For deuterium enriched p-H-2, the easy slip dislocation stage vanished from the sigma(epsilon) curves and there was a significant reduction in the total relative elongation of the samples, as well as a substantial increase in the hardening coefficient d sigma/d epsilon. Deformation of samples of p-H-2 with deuterium contents higher than the natural amount produces an unusual change in their shape owing to the appearance of a rotational component of the low-temperature plastic mass transfer
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Dobryden, IlliaLuleå tekniska universitet,Materialvetenskap(Swepub:ltu)illdob
(författare)
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B. I. Verkin Institute of Low-temperature Physics and Engineering, National Academy of Sciences of UkraineMaterialvetenskap
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Low temperature physics (Woodbury, N.Y., Print): AIP Publishing42:6, s. 484-4901063-777X1090-6517
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