phase formation; ageing; electron microscopy; electron diffraction; metastable; LiMaRC - Liège Materials Research Center
Abstract :
[en] The phase formation during ageing of ZrH2 wt% AI and Zna27 wt.% AI alloys at 100 O has been studied by means of transmission electron microscopy and electron diffraction. No formation of ellipsoidal precipitates of GP 2 and c4 phase bas been observed. Precipitation of hexagonal phases occurs generally on account of the a phase. The <011> habitus plane of a new phase q has been found. The q phase has been distinguished from the metastable Qm using Moire patterns [de] Die Phasenbildung wâhrerid der Auslagerung von Znel2 Gew:% AF und Zn-27 Gew:% Al-Legierungen bel wurde durchstrahlungselektronenmikroskopisch untersucht, Es wurde keine Bildung der elliptisohen Ausscheidungen GP 2 und der c4-Phase beobachtet. Die Ausscheidung hexagonaler Phasen erîolgte auf Kosten der c4-Phase. Die Habitusebene (011) einer neuen Phase q wurde gefunden; diese q-Phasé IieB sich von der metastabileriqm-Phaée durch ein MoireeMuster unterseheiden.
Disciplines :
Chemical engineering Physics Materials science & engineering
Author, co-author :
Terziev, L.
Rachev, P.
Lecomte-Beckers, Jacqueline ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Greday, T.
Language :
English
Title :
Phase formation during aging of Zn-12% Al and Zn-27% Al alloys at 100°C.
Alternative titles :
[de] Phasenbildung wàhrend der Auslagerung von Zn-12 Gewr% AI- und Zn-27 Gewr% AHegierungen bei 1oo°C
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