Synthesis of intermetallics in Fe-Al-Si system by mechanical alloying

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F19%3A43917013" target="_blank" >RIV/60461373:22310/19:43917013 - isvavai.cz</a>

Alternative codes found

RIV/68378271:_____/19:00505321 RIV/68407700:21340/19:00334010

Result on the web

<a href="https://www.mdpi.com/2075-4701/9/1/20" target="_blank" >https://www.mdpi.com/2075-4701/9/1/20</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/met9010020" target="_blank" >10.3390/met9010020</a>

Result language

angličtina

Original language name

Synthesis of intermetallics in Fe-Al-Si system by mechanical alloying

Original language description

Fe-Al-Si alloys have been recently developed in order to obtain excellent high-temperature mechanical properties and oxidation resistance. However, their production by conventional metallurgical processes is problematic. In this work, an innovative processing method, based on ultra-high energy mechanical alloying, has been tested for the preparation of these alloys. It has been found that the powders of low-silicon alloys (up to 10 wt. %) consist of FeAl phase supersaturated by Si after mechanical alloying. Fe2Al5 phase forms as a transient phase at the initial stage of mechanical alloying. The alloy containing 20 wt. % of Si and 20 wt. % of Al is composed mostly of iron silicides (Fe3Si and FeSi) and FeAl ordered phase. Thermal stability of the mechanically alloyed powders was studied in order to predict the sintering behavior during possible compaction via spark plasma sintering or other methods. The formation of Fe2Al5 phase and Fe3Si or Fe2Al3Si3 phases was detected after annealing depending on the alloy composition. It implies that the powders after mechanical alloying are in a metastable state; therefore, chemical reactions can be expected in the powders during sintering.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20501 - Materials engineering

Project

—

Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2019

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Metals

ISSN

2075-4701

e-ISSN

—

Volume of the periodical

9

Issue of the periodical within the volume

1

Country of publishing house

CH - SWITZERLAND

Number of pages

14

Pages from-to

nestránkováno

UT code for WoS article

000459738500020

EID of the result in the Scopus database

2-s2.0-85059372683