β-Si3N4 whiskers prepared by heating a mixture of B2O3 and α-Si3N4

Heating a mixture of α-Si3N4 and B2O3 at 2150 °C for 1 min under N2 at a pressure of 0.85 MPa was found to generate β-Si3N4 plate whiskers with widths of ∼10 µm, thicknesses of ∼0.2 µm and lengths greater than 2 mm. Boron nitride powder, β-Si3N4 platelet grains and a small amount of α-SiC grains wer...

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Veröffentlicht in:	Journal of the Ceramic Society of Japan 2022/04/01, Vol.130(4), pp.303-307
Hauptverfasser:	Yamane, Hisanori, Suzuki, Yuko, Watanabe, Hiromu
Format:	Artikel
Sprache:	eng
Schlagworte:	Boron nitride powder Silicon nitride Whisker Whisker deformation
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creator	Yamane, Hisanori Suzuki, Yuko Watanabe, Hiromu
description	Heating a mixture of α-Si3N4 and B2O3 at 2150 °C for 1 min under N2 at a pressure of 0.85 MPa was found to generate β-Si3N4 plate whiskers with widths of ∼10 µm, thicknesses of ∼0.2 µm and lengths greater than 2 mm. Boron nitride powder, β-Si3N4 platelet grains and a small amount of α-SiC grains were also obtained. Single crystal X-ray diffraction demonstrated that the whiskers were elongated in the c-axis direction and additional tests indicated elastic deformation of the whiskers.
doi_str_mv	10.2109/jcersj2.22010
format	Article
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Boron nitride powder, β-Si3N4 platelet grains and a small amount of α-SiC grains were also obtained. Single crystal X-ray diffraction demonstrated that the whiskers were elongated in the c-axis direction and additional tests indicated elastic deformation of the whiskers.</description><identifier>ISSN: 1882-0743</identifier><identifier>EISSN: 1348-6535</identifier><identifier>DOI: 10.2109/jcersj2.22010</identifier><language>eng</language><publisher>The Ceramic Society of Japan</publisher><subject>Boron nitride powder ; Silicon nitride ; Whisker ; Whisker deformation</subject><ispartof>Journal of the Ceramic Society of Japan, 2022/04/01, Vol.130(4), pp.303-307</ispartof><rights>2022 The Ceramic Society of Japan</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c251t-50784ce22af94d6c1c7121681f5e4c82392a506e6be264708e4d3ff73f91e1bb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,27924,27925</link.rule.ids></links><search><creatorcontrib>Yamane, Hisanori</creatorcontrib><creatorcontrib>Suzuki, Yuko</creatorcontrib><creatorcontrib>Watanabe, Hiromu</creatorcontrib><title>β-Si3N4 whiskers prepared by heating a mixture of B2O3 and α-Si3N4</title><title>Journal of the Ceramic Society of Japan</title><addtitle>J. Ceram. Soc. Japan</addtitle><description>Heating a mixture of α-Si3N4 and B2O3 at 2150 °C for 1 min under N2 at a pressure of 0.85 MPa was found to generate β-Si3N4 plate whiskers with widths of ∼10 µm, thicknesses of ∼0.2 µm and lengths greater than 2 mm. Boron nitride powder, β-Si3N4 platelet grains and a small amount of α-SiC grains were also obtained. 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Ceram. Soc. Japan</addtitle><date>2022-04-01</date><risdate>2022</risdate><volume>130</volume><issue>4</issue><spage>303</spage><epage>307</epage><pages>303-307</pages><artnum>22010</artnum><issn>1882-0743</issn><eissn>1348-6535</eissn><abstract>Heating a mixture of α-Si3N4 and B2O3 at 2150 °C for 1 min under N2 at a pressure of 0.85 MPa was found to generate β-Si3N4 plate whiskers with widths of ∼10 µm, thicknesses of ∼0.2 µm and lengths greater than 2 mm. Boron nitride powder, β-Si3N4 platelet grains and a small amount of α-SiC grains were also obtained. Single crystal X-ray diffraction demonstrated that the whiskers were elongated in the c-axis direction and additional tests indicated elastic deformation of the whiskers.</abstract><pub>The Ceramic Society of Japan</pub><doi>10.2109/jcersj2.22010</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record>
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source	J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese
subjects	Boron nitride powder Silicon nitride Whisker Whisker deformation
title	β-Si3N4 whiskers prepared by heating a mixture of B2O3 and α-Si3N4
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