Effect of partial mechanical alloying on the self-propagating high-temperature synthesis of Ni3Si

Juha Lagerbom, Tuomo Tiainen, Mikko Lehtonen, Pekka Lintula

Research output: Contribution to journalArticleScientificpeer-review

21 Citations (Scopus)

Abstract

Self-propagating high-temperature synthesis (SHS) is a new method for economical processing of intermetallic compounds and ceramic materials, as well as composites based on them. On the other hand, mechanical alloying is an effective method for producing highly metastable and, therefore, reactive metal powders. In this paper an overview of partial mechanical alloying is given. The effect of partial mechanical alloying on the self-propagating high-temperature synthesis of Ni3Si-compounds is studied. The influence of alloying time on powder characteristics, e.g. particle size distribution, is given. The effect of alloying time on the properties of Ni–Si composite powders and on the characteristics of the SHS process, e.g. propagation rate, is reported. Ni3Si was chosen as the object for this study because of its corrosion and high-temperature oxidation resistance. Like other L12-type compounds, the strength of Ni3Si shows an anomalous behaviour as a function of temperature, therefore, it has potential for high-temperature applications.
Original languageEnglish
Pages (from-to)1477-1482
Number of pages6
JournalJournal of Materials Science
Volume34
Issue number7
DOIs
Publication statusPublished - 1999
MoE publication typeA1 Journal article-refereed

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Mechanical alloying
Alloying
Powders
High temperature applications
Thermooxidation
Powder metals
Composite materials
Oxidation resistance
Ceramic materials
Particle size analysis
Temperature
Intermetallics
Corrosion
Processing

Cite this

Lagerbom, Juha ; Tiainen, Tuomo ; Lehtonen, Mikko ; Lintula, Pekka. / Effect of partial mechanical alloying on the self-propagating high-temperature synthesis of Ni3Si. In: Journal of Materials Science. 1999 ; Vol. 34, No. 7. pp. 1477-1482.
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abstract = "Self-propagating high-temperature synthesis (SHS) is a new method for economical processing of intermetallic compounds and ceramic materials, as well as composites based on them. On the other hand, mechanical alloying is an effective method for producing highly metastable and, therefore, reactive metal powders. In this paper an overview of partial mechanical alloying is given. The effect of partial mechanical alloying on the self-propagating high-temperature synthesis of Ni3Si-compounds is studied. The influence of alloying time on powder characteristics, e.g. particle size distribution, is given. The effect of alloying time on the properties of Ni–Si composite powders and on the characteristics of the SHS process, e.g. propagation rate, is reported. Ni3Si was chosen as the object for this study because of its corrosion and high-temperature oxidation resistance. Like other L12-type compounds, the strength of Ni3Si shows an anomalous behaviour as a function of temperature, therefore, it has potential for high-temperature applications.",
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Effect of partial mechanical alloying on the self-propagating high-temperature synthesis of Ni3Si. / Lagerbom, Juha; Tiainen, Tuomo; Lehtonen, Mikko; Lintula, Pekka.

In: Journal of Materials Science, Vol. 34, No. 7, 1999, p. 1477-1482.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Effect of partial mechanical alloying on the self-propagating high-temperature synthesis of Ni3Si

AU - Lagerbom, Juha

AU - Tiainen, Tuomo

AU - Lehtonen, Mikko

AU - Lintula, Pekka

PY - 1999

Y1 - 1999

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AB - Self-propagating high-temperature synthesis (SHS) is a new method for economical processing of intermetallic compounds and ceramic materials, as well as composites based on them. On the other hand, mechanical alloying is an effective method for producing highly metastable and, therefore, reactive metal powders. In this paper an overview of partial mechanical alloying is given. The effect of partial mechanical alloying on the self-propagating high-temperature synthesis of Ni3Si-compounds is studied. The influence of alloying time on powder characteristics, e.g. particle size distribution, is given. The effect of alloying time on the properties of Ni–Si composite powders and on the characteristics of the SHS process, e.g. propagation rate, is reported. Ni3Si was chosen as the object for this study because of its corrosion and high-temperature oxidation resistance. Like other L12-type compounds, the strength of Ni3Si shows an anomalous behaviour as a function of temperature, therefore, it has potential for high-temperature applications.

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