TEM studies of the precipitation in high Zr spray formed Al-Li-Zr

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Author(s)

  • H R HabibiBajguirani
  • J W Martin
  • B Cantor

Department/unit(s)

Publication details

Title of host publicationALUMINIUM ALLOYS: THEIR PHYSICAL AND MECHANICAL PROPERTIES, PTS 1-3
DatePublished - 1996
Pages871-876
Number of pages6
PublisherTRANSTEC PUBLICATIONS LTD
Place of PublicationZURICH-UETIKON
EditorsJH Driver, B Dubost, F Durand, R Fougeres, P Guyot, P Sainfort, M Suery
Original languageEnglish
ISBN (Print)0-87849-732-3

Abstract

A spray formed alloy (UL30) was characterized by optical, scanning and transmission electron microscopy. TEM observation reveals the formation of coherent 20 nm particles of Al3Zr (beta'), after annealing at 365 degrees C for 3 and 6 hr, which grow to 40 nm after 100 hr annealing. 4 nm precipitates of Al3Li (delta') were observed throughout the matrix and also surrounding the beta' precipitates.

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