Properties of FeAlSi-X-Y alloys (X,Y=Ni, Mo) prepared by mechanical alloying and spark plasma sintering

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F20%3A43920818" target="_blank" >RIV/60461373:22310/20:43920818 - isvavai.cz</a>

Alternative codes found

RIV/00025798:_____/20:00000359

Result on the web

<a href="https://www.mdpi.com/1996-1944/13/2/292" target="_blank" >https://www.mdpi.com/1996-1944/13/2/292</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/ma13020292" target="_blank" >10.3390/ma13020292</a>

Result language

angličtina

Original language name

Properties of FeAlSi-X-Y alloys (X,Y=Ni, Mo) prepared by mechanical alloying and spark plasma sintering

Original language description

Short-term mechanical alloying and compaction by spark plasma sintering was used for the production of FeAl20Si20Mo20-XNiX (X corresponds to 5-15 wt %) alloy, which showed an ultrafine-grained microstructure with dimensions of phases around 200 nm or smaller. It was found that the addition of Mo and Ni to the FeAl20Si20 alloy results in the formation of the AlMoSi phase compared to the three-phase FeAl20Si20 alloy, which initially contained FeSi, Fe3Si, and Fe3Al2Si3 phases. All the investigated alloys increased their hardness, reaching up to 1401 HV 1 for the FeAl20Si20Mo5Ni15 alloy, which contained in total 58.5% of the FeSi and Fe3Al2Si3 phases. As a result, all the prepared alloys showed one order magnitude lower wear rates ranging from 3.14 to 5.97·10-6 mm3·N-1·m-1 as well as significantly lower friction coefficients compared to two reference tool steels. The alloys achieved high compressive strengths (up to 2200 MPa); however, they also exhibited high brittleness even after long-term annealing, which reduced the strengths of all the alloys below approximately 1600 MPa. Furthermore, the alloys were showing ductile behavior when compressively tested at elevated temperature of 800 °C. The oxidation resistance of the alloys was superior due to the formation of a compact Al2O3 protective layer that did not delaminate. © 2020 by the authors.

Czech name

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Czech description

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Type

J_SC - Article in a specialist periodical, which is included in the SCOPUS database

CEP classification

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OECD FORD branch

20501 - Materials engineering

Project

<a href="/en/project/GA17-00939S" target="_blank" >GA17-00939S: Preparation and characterization of thin layers and nanostructures with specific magnetic properties</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2020

Confidentiality

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

Name of the periodical

Materials

ISSN

1996-1944

e-ISSN

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Volume of the periodical

13

Issue of the periodical within the volume

2

Country of publishing house

CH - SWITZERLAND

Number of pages

17

Pages from-to

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UT code for WoS article

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EID of the result in the Scopus database

2-s2.0-85079677361