Der Spröd-duktil-Übergang in ultrafeinkörnigem Wolfram
High brittle-ductile transition temperatures preclude the use of conventionally manufactured tungsten (W) as a structural material. Ultrafine grained (UFG) W materials, however, exhibit the brittle-ductile transition at very low temperatures and consequently exhibit room-temperature ductility. The c...
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| Format: | Electronic Book Chapter |
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KIT Scientific Publishing
2023
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| Series: | Schriftenreihe des Instituts für Angewandte Materialien, Karlsruher Institut für Technologie
118 |
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| Online Access: | OAPEN Library: download the publication OAPEN Library: description of the publication |
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| 520 | |a High brittle-ductile transition temperatures preclude the use of conventionally manufactured tungsten (W) as a structural material. Ultrafine grained (UFG) W materials, however, exhibit the brittle-ductile transition at very low temperatures and consequently exhibit room-temperature ductility. The correlative microstructure analysis revealed a strong correlation between the transition temperature and the mean grain boundary spacing along the crack front. | ||
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| 653 | |a kink pair mechanism; Arrhenius activation energy; brittle-ductile transition; ultrafine grained; Kinkenpaarmechanismus; Arrhenius-Aktivierungsenergie; Spröd-duktil-Übergang; ultrafeinkörnig; tungsten; Wolfram | ||
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