et

venitatavuskatse

1

Terminological databases

Materjalitehnika terminibaas

ID 675842 Last modified 22.05.2026
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Domain testing methodsforming
  • üldtermin katsete kohta määramaks lehtmetalli plastsust ja venitatavust (vt Erichseni katse, Olseni katse, kupli piirkõrguskatse)
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    • Katse seisneb venitatava proovikeha maksimaalse sügavuse mõõtmises, mida on võimalik enne prunemist saavutada. Katse viiakse tavaliselt läbi nii, et servadest kinnitatud proovikeha venitatakse poolkerakujulise otsaga templi abil ringikujulise matriitsi süvendisse.
  • a generic term for tests to determine the ductility and stretching properties of sheet metal (see: Erichsen test, Olsen test, limiting dome height test)
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    • The test consists of measuring the maximum part depth that can be formed before fracture. The test is typically carried out by stretching the test piece clamped at its edges into a circular die using punch with hemispherical end.
venitatavuskatse preferred
cupping test

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