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Hot workability of 95MnWCr5 tool steel = Vroča preoblikovalnost orodnega jekla 95MnWCr5Križaj, Ažbe, metalurg ...The hot workability of a 95MnWCr5 medium-alloyed cold-work tool steel was investigated with hot-compression tests on a Gleeble 1500D thermo-mechanical simulator. The tests were performed in the ... temperature range 850-1150 °C and strain-rate range 0.001-10 s[sup]{-1}. With decreasing of the deformation temperature and increasing of the strain-rate values of the peak strain, the peak and steady-state stresses increase. The hyperbolic sine Arrhenius function was used to determine the apparent activation energy for the hot workability. The apparent activation energy of 356 kJ mol[sup]{-1} for entire hot-working range was calculated using the peak stresses. The power-dissipation maps exhibited a single domain with the peak of efficiency in the range 30-40 %, the temperature range 960-1100 °C and a strain rate of 1.0 s[sup]{-1}.Vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 45, št. 4, 2011, str. 351-355)Vrsta gradiva - članek, sestavni delLeto - 2011Jezik - angleškiCOBISS.SI-ID - 865194
Avtor
Križaj, Ažbe, metalurg |
Fazarinc, Matevž |
Jenko, Monika, metalurginja |
Fajfar, Peter, 1958-
Teme
cold-work tool steel |
hot workability |
activation energy |
power-dissipation maps |
orodna jekla za delo v hladnem |
vroča preoblikovalnost |
aktivacijska energija |
mapa učinkovitosti porazdelitve
vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 45, št. 4, 2011, str. 351-355)
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Križaj, Ažbe, metalurg | 26490 |
Fazarinc, Matevž | 29476 |
Jenko, Monika, metalurginja | 05675 |
Fajfar, Peter, 1958- | 05204 |
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