Evaluation of structural changes in Cr-V ledeburitic tool steels depending on temperature austenitization

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F11%3A00186952" target="_blank" >RIV/68407700:21220/11:00186952 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Evaluation of structural changes in Cr-V ledeburitic tool steels depending on temperature austenitization
Original language description
Samples of Vanadis 6 PM Cr-V ledeburitic steel were austenitized at temperatures in the range 1000 - 1200 °C and oil-quenched. The structural changes were investigated by scanning electron microscope and evaluated using NIS Elements software. The obtained results indicated that the M7C3 - carbides underwent intensive dissolution in austenite and were not detected above a temperature of 1100 °C. On the other hand, MC - carbides remained almost completely unaffected and symptoms of dissolution were foundonly at a temperature of 1200 °C. The saturation of the austenite by carbon, chromium and partly also vanadium increased the hardness of the as-quenched material, with the maximum at an austenitizing temperature of 1025 °C.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JJ - Other materials
OECD FORD branch
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Project
<a href="/en/project/FR-TI1%2F003" target="_blank" >FR-TI1/003: Prolonging of Service - time of Tools made from Ledeburitic Steels by means of Sub-zero Treatment</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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