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Volume Relaxation After Pressure Down-jumps on Polykarbonate

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F04%3A63502364" target="_blank" >RIV/70883521:28110/04:63502364 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Volume Relaxation After Pressure Down-jumps on Polykarbonate

  • Original language description

    The process of structural relaxation can be also initiated by solidification of material in liquid state to glassy state by application of high hydrostatic pressure. The initiation of structural relaxation by application of high pressures is very rarelyperformed because of lack of suitable experimental equipments. Structural relaxation initiated by pressure jump can be also monitored by volume relaxation changes. In the case of increasing of pressure it is used to call it as a pressure up-jumps, when pressure is decreased pressure down-jump is applied. Both are followed by relaxation response, in the first case by sample contraction and in the later case by sample expansion.

  • Czech name

    Objemová relaxace po tlakovém skoku u PC.

  • Czech description

    Proces strukturní relaxace může být iniciován solidifikací materiálu z taveniny do skelného stavu aplikací vysokého tlaku. Iniciace zvýšením tlaku je ovšem zřídkakdy používaná pro nedostatek experimentálního vybavení. Strukturní relaxace iniciovaná tlakem může být měřena pomocí objemových relaxačních změn. V této práci byl sledován vliv času a aplikaci tlaku při různých teplotách.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JJ - Other materials

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA106%2F02%2F1580" target="_blank" >GA106/02/1580: Physical aging of polycarbonates used for compact disc</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2004

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    SSChE 2004

  • ISBN

  • ISSN

  • e-ISSN

  • Number of pages

    1

  • Pages from-to

  • Publisher name

    Slovak society of chemical engineering

  • Place of publication

    Bratislava

  • Event location

    Tatranské Matliare, Slovensko

  • Event date

    May 24, 2004

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article