et

gaasipoorsus 

1

Terminological databases

Materjalitehnika terminibaas

ID 671802 Last modified 31.08.2025
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Domain castinggas weldingarc welding
  • gaasipoorsuse üks esinemisvorme, mis väljendub väikestes, sulametallist kristalliseerumisel tekkinud poorides valandites (eriti pinnakihtides), keevisõmblustes, pinnetes ja on tingitud lahustunud gaaside (enamasti vesiniku või vesiniku ja lämmastiku) eraldumisest metalli tardumisel (vt gaasipoorsus)
  • form of gas porosity consisting of numerous small, elongated gas holes (pinholes) distributed throughout the metal, in particular immidiately below the surface; found in castings (under the surface), weld metal, and electrodeposited metal and caused by entrapped gas, in particular hydrogen or nitrogen (see: gas porosity)
vesinikpoorsus preferred
pinhole porosity preferred
pinholing
pinholes
hydrogen pinholes deprecated

Materjalitehnika terminibaas

ID 673721 Last modified 31.08.2025
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Domain casting
  • valudefekt – sisemistest (lahustunud gaaside eraldumine) või välistest (gaaside sattumine, kaasahaaramine väljastpoolt) põhjustest tingitud poorsus; poorid on sfäärilisele lähedase kujuga (vrd gaasitühikud, gaasitühik)
  • casting imperfection - fine holes or pores within a metal that are caused by entrapped gas or by the evolution of dissolved gas during solidification (compare: gas holes, gas pocket)
  • дефект отливки - мелкие отверстия или поры внутри металла, чьё появление вызвано захваченным воздухом или выделением растворённых газов во время кристаллизации; форма пор близка к сферической (ср. газовая раковина, газовая полость)
gaasipoorsus 
gas porosity
газовая пористость
ситовость deprecated

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