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The effect of strain-aging on the fracture toughness of some structural grade steels in the nil-ductility temperature rangeUle, Boris ; Vojvodič-Tuma, Jelena ; Lovrečič Saražin, MarkoThe effect of strain-aging on the impact toughness characteristics of Charpy specimens (CVN) and on the quasi-static fracture toughness values ▫$k_{Ic}$▫ of some structural grade steels, was ... investigated in the nil-ductility temperature range. Strain-aging provokes shifts of Charpy curves to higher temperatures, but, surprisingly, decreases the nil-ductility temperatures with respect to as-received steels. The low temperature correlation between ▫$K_{Ic}$▫ and the conventional mechanical properties confirms that the ▫$K_{Ic}$▫ value of as strain-aged steels is higher than that of as-received steels, with similar charpy impact energy. The same probably applies to the stress intensity at crack arrest ▫$(K_{Ia})$▫ as well. Copyright © 1996 Canadian Institute of mining and metallurgy, published by Elsevier Science Ltd.Source: Canadian metallurgical quarterly. - ISSN 0008-4433 (Vol. 35, no. 2, 1996, str. 159-168)Type of material - article, component partPublish date - 1996Language - englishCOBISS.SI-ID - 21162
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Ule, Boris | 04238 |
Vojvodič-Tuma, Jelena | 09788 |
Lovrečič Saražin, Marko | 00755 |
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