High temperature compression creep of aluminium nitride after immersion in molten stainless steel |
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| Authors: | I MASSON J P FEIEREISEN J P MICHEL A MOCELLIN P BLUMENFELD |
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| Affiliation: | (1) Laboratoire Metallurgie Physique and Science des Materiaux (CNRS, URA 155), Cedex, France;(2) Laboratoire de Science et Genie des Materiaux Metalliques (CNRS, URA 159), Ecole des Mines de Nancy, Parc de Saurupt, 54042 NANCY Cedex, France;(3) IRSID, 57210 Maizieres-Les-Metz, France |
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| Abstract: | The effect of immersion in molten steel on subsequent creep behaviour has been investigated in two AlN ceramics. Steady-state
creep was not significantly affected but an enhanced initial creep rate was observed, especially when the surface layer had
not been removed after immersion. In immersed samples, SEM revealed some open porosity and microcracks near the surface and
particles containing steel constituents were found by TEM deep inside samples, in grain-boundary secondary phases.
This revised version was published online in November 2006 with corrections to the Cover Date. |
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