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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Prif Awdur: Bonnekoh, Carsten
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Cyhoeddwyd: KIT Scientific Publishing 2023
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Mynediad Ar-lein:OCN: 1401618003
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author Bonnekoh, Carsten
author_browse Bonnekoh, Carsten
author_facet Bonnekoh, Carsten
author_sort Bonnekoh, Carsten
collection Directory of Open Access Books
description 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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id doab-20.500.12854ir-114015
institution Directory of Open Access Books
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publishDate 2023
publishDateRange 2023
publishDateSort 2023
publisher KIT Scientific Publishing
publisherStr KIT Scientific Publishing
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spelling doab-20.500.12854ir-1140152025-05-27T05:03:37Z Der Spröd-duktil-Übergang in ultrafeinkörnigem Wolfram Bonnekoh, Carsten kink pair mechanism; Arrhenius activation energy; brittle-ductile transition; ultrafine grained; Kinkenpaarmechanismus; Arrhenius-Aktivierungsenergie; Spröd-duktil-Übergang; ultrafeinkörnig; tungsten; 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 correlative microstructure analysis revealed a strong correlation between the transition temperature and the mean grain boundary spacing along the crack front. 2023-09-12T04:02:50Z 2023-09-12T04:02:50Z 2023-09-11T11:22:01Z 2023 book OCN: 1401618003 https://library.oapen.org/handle/20.500.12657/76168 9783731512646 https://directory.doabooks.org/handle/20.500.12854/114015 ger Schriftenreihe des Instituts für Angewandte Materialien, Karlsruher Institut für Technologie open access image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg Attribution-ShareAlike 4.0 International Attribution-ShareAlike 4.0 International Attribution-ShareAlike 4.0 International Attribution-ShareAlike 4.0 International Attribution-ShareAlike 4.0 International Attribution-ShareAlike 4.0 International Attribution-ShareAlike 4.0 International https://library.oapen.org/bitstream/20.500.12657/76168/1/der-sprod-duktil-ubergang-in-ultrafeinkornigem-wolfram.pdf https://library.oapen.org/bitstream/20.500.12657/76168/1/der-sprod-duktil-ubergang-in-ultrafeinkornigem-wolfram.pdf https://library.oapen.org/bitstream/20.500.12657/76168/1/der-sprod-duktil-ubergang-in-ultrafeinkornigem-wolfram.pdf https://library.oapen.org/bitstream/20.500.12657/76168/1/der-sprod-duktil-ubergang-in-ultrafeinkornigem-wolfram.pdf https://library.oapen.org/bitstream/20.500.12657/76168/1/der-sprod-duktil-ubergang-in-ultrafeinkornigem-wolfram.pdf https://library.oapen.org/bitstream/20.500.12657/76168/1/der-sprod-duktil-ubergang-in-ultrafeinkornigem-wolfram.pdf https://library.oapen.org/bitstream/20.500.12657/76168/1/der-sprod-duktil-ubergang-in-ultrafeinkornigem-wolfram.pdf KIT Scientific Publishing 10.5445/KSP/1000153067 10.5445/KSP/1000153067 68fffc18-8f7b-44fa-ac7e-0b7d7d979bd2 9783731512646 AG Universitätsverlage 394 open access
spellingShingle kink pair mechanism; Arrhenius activation energy; brittle-ductile transition; ultrafine grained; Kinkenpaarmechanismus; Arrhenius-Aktivierungsenergie; Spröd-duktil-Übergang; ultrafeinkörnig; tungsten; Wolfram
Bonnekoh, Carsten
Der Spröd-duktil-Übergang in ultrafeinkörnigem Wolfram
title Der Spröd-duktil-Übergang in ultrafeinkörnigem Wolfram
title_full Der Spröd-duktil-Übergang in ultrafeinkörnigem Wolfram
title_fullStr Der Spröd-duktil-Übergang in ultrafeinkörnigem Wolfram
title_full_unstemmed Der Spröd-duktil-Übergang in ultrafeinkörnigem Wolfram
title_short Der Spröd-duktil-Übergang in ultrafeinkörnigem Wolfram
title_sort der sprod duktil ubergang in ultrafeinkornigem wolfram
topic kink pair mechanism; Arrhenius activation energy; brittle-ductile transition; ultrafine grained; Kinkenpaarmechanismus; Arrhenius-Aktivierungsenergie; Spröd-duktil-Übergang; ultrafeinkörnig; tungsten; Wolfram
topic_facet kink pair mechanism; Arrhenius activation energy; brittle-ductile transition; ultrafine grained; Kinkenpaarmechanismus; Arrhenius-Aktivierungsenergie; Spröd-duktil-Übergang; ultrafeinkörnig; tungsten; Wolfram
url OCN: 1401618003
work_keys_str_mv AT bonnekohcarsten dersprodduktiluberganginultrafeinkornigemwolfram