Aluminum diboride synthesis from elemental powders by mechanical alloying and annealing

Duygu Aĝaoĝullari; Hasan Gökçe; Ismail Duman; M. Lütfi Öveçoĝlu

doi:10.1016/j.jeurceramsoc.2011.03.037

Aluminum diboride synthesis from elemental powders by mechanical alloying and annealing

Duygu Aĝaoĝullari
, Hasan Gökçe^*
, Ismail Duman
, M. Lütfi Öveçoĝlu

^*Bu çalışma için yazışmadan sorumlu yazar

Metalurji ve Malzeme Müh.Böl.

Istanbul Technical University

Araştırma sonucu: Dergiye katkı › Makale › bilirkişi

20 Atıf (Scopus)

Özet

In this study, AlB ₂ powders were synthesized by using a combined method of mechanical alloying (MA) and annealing of elemental aluminum (Al) and boron (B) powders. Milling was performed in a planetary ball-mill (Fritsch™ Pulverisette 7 Premium Line) up to 15h under argon (Ar) atmosphere. Annealing process was carried out in a tube furnace at 650°C for 6h under Ar atmosphere. The effects of MA durations on the annealing process and AlB ₂ formation were investigated. The conversion of Al and B powders to AlB ₂ starts after only MA for 3h or after MA for 1h and subsequent annealing. A slight formation of AlB ₁₂ occurs at 242°C for as-blended powders and it shifts to about 272°C for MA'd powders. Al-B powder blends MA'd for 9h and annealed have AlB ₂ particles in size between 35 and 75nm in the presence of Al ₁₃Fe ₄, Fe ₃B and Fe ₂B contaminations.

Orijinal dil	İngilizce
Sayfa (başlangıç-bitiş)	1457-1462
Sayfa sayısı	6
Dergi	Journal of the European Ceramic Society
Hacim	32
Basın numarası	7
DOI'lar	https://doi.org/10.1016/j.jeurceramsoc.2011.03.037
Yayın durumu	Yayınlandı - Haz 2012

Finansman

The authors would like to express their appreciations to Aziz Genç for his help in TEM experiments. We would like to express our gratitude to State Planning Organization (DPT) for funding the projects entitled “Advanced Technologies in Engineering” with the project number 2001K120750 and “Development of Al–Cu Based Metal Matrix Composites via Powder Metallurgy Techniques” with the project number 90189 out of which the main infrastructure of the Particulate Materials Laboratories was founded.

Finansörler	Finansör numarası
Al–Cu Based Metal Matrix Composites via Powder Metallurgy Techniques	90189
DPT	2001K120750
Devlet Planlama Örgütü

Belgeye Erişim

10.1016/j.jeurceramsoc.2011.03.037

Diğer Dosyalar ve Linkler

Link to publication in Scopus

Alıntı Yap

@article{6197602fa68444068b9cc2b53222939a,

title = "Aluminum diboride synthesis from elemental powders by mechanical alloying and annealing",

abstract = "In this study, AlB 2 powders were synthesized by using a combined method of mechanical alloying (MA) and annealing of elemental aluminum (Al) and boron (B) powders. Milling was performed in a planetary ball-mill (Fritsch{\texttrademark} Pulverisette 7 Premium Line) up to 15h under argon (Ar) atmosphere. Annealing process was carried out in a tube furnace at 650°C for 6h under Ar atmosphere. The effects of MA durations on the annealing process and AlB 2 formation were investigated. The conversion of Al and B powders to AlB 2 starts after only MA for 3h or after MA for 1h and subsequent annealing. A slight formation of AlB 12 occurs at 242°C for as-blended powders and it shifts to about 272°C for MA'd powders. Al-B powder blends MA'd for 9h and annealed have AlB 2 particles in size between 35 and 75nm in the presence of Al 13Fe 4, Fe 3B and Fe 2B contaminations.",

keywords = "Boride, Mechanical alloying, Powders-solid state reaction, Thermal properties, X-ray methods",

author = "Duygu Aĝaoĝullari and Hasan G{\"o}k{\c c}e and Ismail Duman and {\"O}ve{\c c}oĝlu, \{M. L{\"u}tfi\}",

year = "2012",

month = jun,

doi = "10.1016/j.jeurceramsoc.2011.03.037",

language = "English",

volume = "32",

pages = "1457--1462",

journal = "Journal of the European Ceramic Society",

issn = "0955-2219",

number = "7",

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TY - JOUR

T1 - Aluminum diboride synthesis from elemental powders by mechanical alloying and annealing

AU - Aĝaoĝullari, Duygu

AU - Gökçe, Hasan

AU - Duman, Ismail

AU - Öveçoĝlu, M. Lütfi

PY - 2012/6

Y1 - 2012/6

N2 - In this study, AlB 2 powders were synthesized by using a combined method of mechanical alloying (MA) and annealing of elemental aluminum (Al) and boron (B) powders. Milling was performed in a planetary ball-mill (Fritsch™ Pulverisette 7 Premium Line) up to 15h under argon (Ar) atmosphere. Annealing process was carried out in a tube furnace at 650°C for 6h under Ar atmosphere. The effects of MA durations on the annealing process and AlB 2 formation were investigated. The conversion of Al and B powders to AlB 2 starts after only MA for 3h or after MA for 1h and subsequent annealing. A slight formation of AlB 12 occurs at 242°C for as-blended powders and it shifts to about 272°C for MA'd powders. Al-B powder blends MA'd for 9h and annealed have AlB 2 particles in size between 35 and 75nm in the presence of Al 13Fe 4, Fe 3B and Fe 2B contaminations.

AB - In this study, AlB 2 powders were synthesized by using a combined method of mechanical alloying (MA) and annealing of elemental aluminum (Al) and boron (B) powders. Milling was performed in a planetary ball-mill (Fritsch™ Pulverisette 7 Premium Line) up to 15h under argon (Ar) atmosphere. Annealing process was carried out in a tube furnace at 650°C for 6h under Ar atmosphere. The effects of MA durations on the annealing process and AlB 2 formation were investigated. The conversion of Al and B powders to AlB 2 starts after only MA for 3h or after MA for 1h and subsequent annealing. A slight formation of AlB 12 occurs at 242°C for as-blended powders and it shifts to about 272°C for MA'd powders. Al-B powder blends MA'd for 9h and annealed have AlB 2 particles in size between 35 and 75nm in the presence of Al 13Fe 4, Fe 3B and Fe 2B contaminations.

KW - Boride

KW - Mechanical alloying

KW - Powders-solid state reaction

KW - Thermal properties

KW - X-ray methods

UR - https://www.scopus.com/pages/publications/84858443739

U2 - 10.1016/j.jeurceramsoc.2011.03.037

DO - 10.1016/j.jeurceramsoc.2011.03.037

M3 - Article

AN - SCOPUS:84858443739

SN - 0955-2219

VL - 32

SP - 1457

EP - 1462

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

IS - 7

ER -

Aluminum diboride synthesis from elemental powders by mechanical alloying and annealing

Özet

Finansman

Belgeye Erişim

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