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worms

1

Terminological databases

Materjalitehnika terminibaas

ID 672950 Last modified 20.05.2026
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Domain strength of materialsformingcold working
Lüdersi jooned preferred
Lüders bands preferred
Lüders lines
stretcher strains
Luders lines deprecated
Luders bands deprecated
Hartmann lines
Piobert lines
Lüder`s lines
линии ЧерноваЛюдерса preferred
линии скольжения
  • kohaliku ebaühtlase plastse deformatsiooni tõttu metalltooriku (lehtmetall) või proovikeha pinnal moodustuvad jooned
    Good to know
    • Libisemisjooned/Lüdersi jooned moodustuvad pingete toimel metalse keha pinna piirkondades kus toimub plastne deformatsioon ülemise ja alumise voolepiiri vahemikus. On iseloomulikud madalsüsinikteraste deformeerimise algstaadiumile.(vt ülemine voolepiir, alumine voolepiir)
  • elongated surface markings or depressions in sheet metal, often visible with the unaided eye, caused by discontinuous (inhomogeneous) yielding
    Good to know
    • Macroscopic ara of sample (article) where plastic deformation commences at a stress equal to the upper yield stress and completes at the lower yield stress, whereas the other areas remain elastically deformed. The Lüders bands cross the entire sample and thus, many grains. (see: upper yield point, lower yield point)
Lüdersi jooned preferred
libisemisjooned
Lüders bands preferred
Lüders lines
stretcher strains
Luders lines deprecated
Luders bands deprecated
Hartmann lines
Piobert lines
Lüder`s lines
worms
линии ЧерноваЛюдерса preferred
линии скольжения

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