et

roomekõver

1

Terminological databases

Materjalitehnika terminibaas

ID 673150 Last modified 17.12.2024
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Domain strength of materialstesting methods
  • deformatsiooni (pikenemise) ja aja vahelise sõltuvuse (püsival temperatuuril ja koormusel) logaritmiline diagramm, e = f(t) (vt roome, roometeim, roomepiir; vrd kestvustugevuskõver)
    Good to know
    • Roomekõveral eristatakse järgmisi staadiume: esmase roome staadium (I staadium), teisese roome staadium (II staadium - ühtlane roome) ja tertsiaarse roome staadium (III staadium - kiirendatud roome).
  • presentation of creep data in creep test in the form of strain vs time graph, at various different stress levels at given temperature (see: creep, creep test, creep strength; compare: stress-rupture curve)
    Good to know
    • The following stages of creep curve are differentiated: primary creep stage (stage I), secondary creep stage (stage II) and tertiary creep stage (stage III).
roomekõver preferred
roomavuskõver
creep curve preferred

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