| Autor: |
Stalinskii, D., Rudyuk, A., Solenyi, V. |
| Zdroj: |
Steel in Translation; Jun2017, Vol. 47 Issue 6, p421-427, 7p |
| Abstrakt: |
Low-alloy 70KhG chromium-manganese steel is investigated. The thermokinetic diagram of supercooled-austenite conversion at cooling rates 0.03-8.4°C/s is plotted. Appropriate heat treatment is developed for grinding balls of diameter 20-60 mm. The microstructure of the steel formed in heat treatment is analyzed. The temperature at which martensitic transformation begins is determined. Experimental batches of 60-mm grinding balls with bulk hardness HRC 59.5 produced by the proposed technology are tested. Their performance is excellent. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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