Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Ulrich Messerschmidt"'
Autor:
Fritz Appel, Ulrich Messerschmidt
Publikováno v:
Dislocations in Solids ISBN: 9780429070914
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85abed34c75d7727494c21a26742f596
https://doi.org/10.1201/9780429070914-111
https://doi.org/10.1201/9780429070914-111
Autor:
Christian Dietzsch, Wolfgang Kurtz, Martin Bartsch, Christina Scheu, Ulrich Messerschmidt, Manfred Rühle
Publikováno v:
International Journal of Materials Research. 109:89-89
In situ straining experiments on α-Al2O3/Nb/α-Al2O3 single crystal sandwiches have been performed in a high-voltage electron microscope in order to observe the dislocation motion connected with the fracture of these samples. The tricrystals had two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::332c1b050b7db0eca9a62d8ec2cb6f9b
https://doi.org/10.3139/146.018022
https://doi.org/10.3139/146.018022
Publikováno v:
Materials Science and Engineering: A. 429:79-89
Al70.5Pd21Mn8.5 single quasicrystals were plastically deformed between 482 and 821 ◦ C. The strain rate sensitivity of the flow stress was measured by stress relaxation tests. At several temperatures, the dislocation structures were imaged by diffr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70565b6d43bc271573ec2c321ab9fc64
https://doi.org/10.1016/j.msea.2006.05.126
https://doi.org/10.1016/j.msea.2006.05.126
Publikováno v:
Intermetallics. 14:607-619
Fe–43at%Al single crystals were deformed in compression between room temperature and 700 °C. The strain rate sensitivity of the flow stress was measured by stress relaxation tests. The dislocation structure of the deformed samples was studied in a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3dadd86c9604250f44cfeef6fcf30cc3
https://doi.org/10.1016/j.intermet.2005.10.009
https://doi.org/10.1016/j.intermet.2005.10.009
Publikováno v:
physica status solidi (a). 202:2249-2266
MoSi2 single crystals were deformed along the soft 〈110〉 compression axis between room temperature and 1050 °C. The strain rate sensitivity of the flow stress was determined by stress relaxation tests. The temperature dependence of the flow stre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d26d88aeb428614d17110a565ff86171
https://doi.org/10.1002/pssa.200521262
https://doi.org/10.1002/pssa.200521262
Publikováno v:
Journal of Materials Research. 20:1814-1824
Decagonal single quasicrystals of the composition Al70Ni15Co15have been deformed in situ in a high-voltage transmission electron microscope at 730 °C along the 10-fold periodic axis to directly observe the dislocation motion. The deformation is carr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3598eec8f9a0ea82c1e1fabd71dae8f
https://doi.org/10.1557/jmr.2005.0227
https://doi.org/10.1557/jmr.2005.0227
Autor:
D Baither, Ulrich Messerschmidt, Andreas H. Foitzik, Manfred Rühle, Martin Bartsch, Bernd Baufeld
Publikováno v:
Journal of the American Ceramic Society. 80:1699-1705
The ferroelastic deformation of t{prime}-ZrO{sub 2}, the microstructure of which was described in detail in Part 1, was investigated by in situ deformation experiments in the high-voltage electron microscope at 1150 C. During the experiments those tw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::358faaf2a47009bde82c1cfcbbae5898
https://doi.org/10.1111/j.1151-2916.1997.tb03041.x
https://doi.org/10.1111/j.1151-2916.1997.tb03041.x
Publikováno v:
Journal of the American Ceramic Society. 80:1691-1698
The microstructure of polydomain tetragonal zirconia (t-ZrO2), i.e., a ZrO2 modification exhibiting ferroelastic behavior, is studied by high-voltage electron microscopy. This material consists of three domain variants of the tetragonal phase with th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4832649e2b9a99650cf2e63be32a89db
https://doi.org/10.1111/j.1151-2916.1997.tb03040.x
https://doi.org/10.1111/j.1151-2916.1997.tb03040.x
Autor:
Ulrich Messerschmidt, Martin Bartsch, Christian Dietzsch, Wolfgang Kurtz, Christina Scheu, Manfred Rühle
Publikováno v:
International Journal of Materials Research. 95:785-792
In situ straining experiments on α-Al2O3/Nb/α-Al2O3 single crystal sandwiches have been performed in a high-voltage electron microscope in order to observe the dislocation motion connected with the fracture of these samples. The tricrystals had two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::938786c6752b1dcce2b5cb16807c0ede
https://doi.org/10.1515/ijmr-2004-0147
https://doi.org/10.1515/ijmr-2004-0147
Autor:
Gerhard Sauthoff, Frank Stein, Anna Wasilkowska, Martin Palm, Martin Bartsch, Ulrich Messerschmidt
Publikováno v:
Materials Science and Engineering: A. 381:1-15
Fe-10 at.% Al-2.5 at.% Zr and Fe-20 at.% Al-2.5 at.% Zr alloys were deformed between room temperature and 700 °C. The materials show a flow stress plateau at about 300 MPa up to 600 °C for the material with 10 at.% Al and above 600 MPa up to 400 °
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b40566d793f43eaf51474ccd8dda772a
https://doi.org/10.1016/j.msea.2004.04.039
https://doi.org/10.1016/j.msea.2004.04.039