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Title:Razpad [alfa]-AlB12 v zlitinah Al-B in Al-Ti-B
Authors:ID Zupanič, Franc (Author)
ID Spaić, S. (Author)
ID Križman, Alojz (Author)
Files:URL http://www.dlib.si/details/URN:NBN:SI:doc-198AICW8
 
Language:Slovenian
Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:V tem delu smo ugotovili, da faza @-AIB12 ne razpade pri ohlajanju zlitin Al-B in Al-Ti-B z dvofaznega področja talina + @-AIB12 oziroma s trofaznega področja talina + @-AIB12 + TiB2 do sobne temperature. Razpade šele pri izotermnem žarjenju zlitin pod -900°C, čeprav bi po podatkih iz dostopne literature morala razpasti že pod 980°C. Razpad faze @-AIB12 poteka z raztapljanjem @-AIB12 in rastjo AIB2. Kinetika razpada je hitrejša v ternarnih zlitinah Al-Ti-B kot v binarnih Al-B, ker faza TiB2 olajša nastanek reakcijskega produkta AIB2.
Publisher:Inštitut za kovinske materiale in tehnologije
Year of publishing:1998
Number of pages:str. 35-39
Numbering:Letn. 32, št. 1/2
PID:20.500.12556/DKUM-53273 New window
UDC:669
ISSN on article:1318-0010
COBISS.SI-ID:3804182 New window
NUK URN:URN:SI:UM:DK:NQUM1KDI
Publication date in DKUM:10.07.2015
Views:1185
Downloads:51
Metadata:XML DC-XML DC-RDF
Categories:Misc.
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Record is a part of a journal

Title:Kovine zlitine tehnologije
Shortened title:Kovine zlit. tehnol.
Publisher:Inštitut za kovinske materiale in tehnologije
ISSN:1318-0010
COBISS.SI-ID:31742209 New window

Secondary language

Language:English
Title:Decomposition of [alpha]-AlB12 in Al-B and Al-Ti-B alloys
Abstract:In this work it was found out that decomposition of the high-temperature phase @-AIB12 doesn´t occur during cooling of the Al-B and Al-Ti-B alloys from the two-phase region L + AIB12 or the three-phase region L + @-AIB12 + TiB2. It decomposes only in the course of isothermal annealing under -900°C. According to data in the open literature its decomposition should start alredy under 980°C. The decomposition of @-AIB12 takes place by dissolution of @-AIB12 and growth of AIB2. The decomposition rate is higher in ternary Al-Ti-B than in binary Al-B alloys, because TiB2 phase promotes the nucleation of the reaction product AIB2.


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