Strain rate sensitivity of titanium matrix composites under tensile loading
Hausmann, Joachim (2007) Strain rate sensitivity of titanium matrix composites under tensile loading. Materialwissenschaft und Werkstofftechnik, 38 (9), pp. 720-724.
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Titanium matrix composites continuously reinforced by silicon carbide fibres are considered as key technology for a new generation of aero engines. High specific strength and stiffness promise significant weight savings and performance improvements. Impact loading may be one critical aspect in the design of rotating compressor components with titanium matrix composites. On the other hand the strength increases at high strain rates. Considering this additional loading capability enables a design closer to the edge. Therefore, the strength to strain rate relation needs to be examined. This paper presents results of high strain rate tests at the fly wheel device. Loadings resulting in strain rates from quasistatic loading to 740 1/s were applied. The results are discussed and the mechanism of energy consumption was investigated by determination of the plastic deformed length by scanning electron microscopy.
|Title:||Strain rate sensitivity of titanium matrix composites under tensile loading|
|Journal or Publication Title:||Materialwissenschaft und Werkstofftechnik|
|In ISI Web of Science:||No|
|Page Range:||pp. 720-724|
|Keywords:||metal matrix composite, high strain rate loading, tensile testing|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L ER - Engine Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L ER - Engine Research|
|DLR - Research theme (Project):||L - Fan and Compressor Technologies|
|Institutes and Institutions:||Institute of Materials Research > Light Metal Composites|
|Deposited By:||Dr.-Ing. Joachim Hausmann|
|Deposited On:||09 Jan 2008|
|Last Modified:||27 Apr 2009 14:36|
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