et

valge tempermalm

1

Terminological databases

EKI terminibaas Esterm

ID 725353 Last modified 30.12.2004
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Domain Metallurgy - Iron & Steel - Non-ferrous Metals
white heart malleable cast iron preferred
Usage examples
  • The investigation has shown that black heart and white heart fittings undergo a different annealing process. In the case of white heart fittings, it lasts 80 to 120 hours at a temperature of 1100°. In the case of black heart fittings, it lasts between 50 to 80 hours, at a temperature of 900°. These different processes result in a differing carbon content ...
white heart abbreviation

Materjalitehnika terminibaas

ID 672827 Last modified 15.09.2025
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Domain iron foundry & steel foundry - metals & alloyscasting
  • süsinikuärastava lõõmutamise teel oksüdeerivas keskkonnas saadud, südamikus heleda murdepinnaga tempermalm (vt tempermalm, tempermalmi valgelõõmutus; vrd musta südamikuga tempermalm)
    Good to know
    • Saadakse valgemalmi termotöötlemisel süsinikkuärastavas keskkonnas, mille tulemusena osa või kogu süsinik eraldub mikrostruktuuris sõltuvalt malmvalandi mõõtmetest.
  • cast iron obtained by annealing if decarburization is the predominant reaction, the product will exhibit a light/white fracture surface in central part (heart) of a casting (see: malleable cast iron, whiteheart process; compare: black-heart malleable cast iron)
    Good to know
    • White cast iron given a heat-treatment in a decarburizing atmosphere to produce a material which is partially or entirely decarburized; the microstructure if this malleable cast iron is dependent on section size.
  • получаемый отжигом чугун в случае, если доминирует обезуглероживание; поверхность излома чугуна в центральной части (сердцевине) отливки будет светлой/белой (см. ковкий чугун, отжиг на перлитный чугун; ср. черносердечный ковкий чугун)
    Good to know
    • Белый чугун, термообрабатываемый в обезуглероживающей атмосфере с целью получить полностью или частично обезуглероженный материал; микроструктура такого ковкого чугуна зависит от размера секции.
valge tempermalm

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