Improvement of the Characterisation of Nonmetallic Inclusions Especially Focusing on High Purity Steels for Aeronautic Applications
Publikationen: Thesis / Studienabschlussarbeiten und Habilitationsschriften › Masterarbeit
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2007. 103 S.
Publikationen: Thesis / Studienabschlussarbeiten und Habilitationsschriften › Masterarbeit
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TY - THES
T1 - Improvement of the Characterisation of Nonmetallic Inclusions Especially Focusing on High Purity Steels for Aeronautic Applications
AU - Penz, Susanne Katharina
N1 - no embargo
PY - 2007
Y1 - 2007
N2 - Due to the constantly increasing requirements for steels applied in the aerospace industry, a reliable characterisation of nonmetallic inclusions steadily gains importance. Out of the different described methods for inclusion analysis, the focus of this thesis lies on automated SEM/EDX investigations. On the basis of first analyses, an inclusion cluster consisting of 25 different inclusion classes especially adapted to the steel grade PH 13-8 Mo is developed which permits an inclusion categorisation over the whole process flow. Next to the comparison with a similar analysing method (P-SEM) and the variation of several influential parameters, the representativeness of this method and the applicability of the inclusion cluster on a different steel grade is tested. The results underline the potential of this analysing method.
AB - Due to the constantly increasing requirements for steels applied in the aerospace industry, a reliable characterisation of nonmetallic inclusions steadily gains importance. Out of the different described methods for inclusion analysis, the focus of this thesis lies on automated SEM/EDX investigations. On the basis of first analyses, an inclusion cluster consisting of 25 different inclusion classes especially adapted to the steel grade PH 13-8 Mo is developed which permits an inclusion categorisation over the whole process flow. Next to the comparison with a similar analysing method (P-SEM) and the variation of several influential parameters, the representativeness of this method and the applicability of the inclusion cluster on a different steel grade is tested. The results underline the potential of this analysing method.
KW - Nichtmetallische Einschlüsse REM/EDX Einschlusscharakteriserung PH 13-8 Mo
KW - Nonmetallic inclusions SEM/EDX inclusion characterisation PH 13-8 Mo
M3 - Master's Thesis
ER -
