Formation of diamond-like BN phases under shock compression of graphite-like BN with different degree of structural ordering
The formation of diamond-like modifications of BN under high-temperature shock compression ( P = 33 GPa and T up to 3500 K) has been studied. The powders of graphite-like BN with different degree of three-dimensional ordering of structure ( D 3) were used as starting materials. To increase shock tem...
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| Veröffentlicht in: | Diamond and related materials 2007-02, Vol.16 (2), p.267-276 |
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| creator | Britun, V.F. Kurdyumov, A.V. Borimchuk, N.I. Yarosh, V.V. Danilenko, A.I. |
| description | The formation of diamond-like modifications of BN under high-temperature shock compression (
P
=
33 GPa and
T up to 3500 K) has been studied. The powders of graphite-like BN with different degree of three-dimensional ordering of structure (
D
3) were used as starting materials. To increase shock temperature and preserve dense phase formed, boron nitride powder mixed with alkali halide salt was compressed in cylindrical ampoule. The recovered samples were studied by X-ray diffraction and electron microscopy. It was revealed that the phase composition of shock compression products depends on the degree of three-dimensional ordering of initial graphite-like structure. Turbostratic BN with disordered structure (
D
3
=
0) transformed mainly into cubic cBN by diffusion mechanism, whereas highly ordered graphite-like BN (
D
3
=
0.95) transformed only into wurtzite wBN by martensitic mechanism. Both cubic and wurtzite dense modifications are formed from partly ordered initial structures (for which
D
3 was 0.45
÷
0.7). The both diamond-like phases have nanocrystalline structure. |
| doi_str_mv | 10.1016/j.diamond.2006.06.017 |
| format | Article |
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P
=
33 GPa and
T up to 3500 K) has been studied. The powders of graphite-like BN with different degree of three-dimensional ordering of structure (
D
3) were used as starting materials. To increase shock temperature and preserve dense phase formed, boron nitride powder mixed with alkali halide salt was compressed in cylindrical ampoule. The recovered samples were studied by X-ray diffraction and electron microscopy. It was revealed that the phase composition of shock compression products depends on the degree of three-dimensional ordering of initial graphite-like structure. Turbostratic BN with disordered structure (
D
3
=
0) transformed mainly into cubic cBN by diffusion mechanism, whereas highly ordered graphite-like BN (
D
3
=
0.95) transformed only into wurtzite wBN by martensitic mechanism. Both cubic and wurtzite dense modifications are formed from partly ordered initial structures (for which
D
3 was 0.45
÷
0.7). The both diamond-like phases have nanocrystalline structure.</description><identifier>ISSN: 0925-9635</identifier><identifier>EISSN: 1879-0062</identifier><identifier>DOI: 10.1016/j.diamond.2006.06.017</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Boron nitride ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Fullerenes and related materials; diamonds, graphite ; High pressure ; High temperature ; Materials science ; Nanocrystalline ; Physics ; Specific materials</subject><ispartof>Diamond and related materials, 2007-02, Vol.16 (2), p.267-276</ispartof><rights>2006 Elsevier B.V.</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c370t-b768577eab379bbc5985e7f53ad657659b90747c046f2caf637eef5806a78dd63</citedby><cites>FETCH-LOGICAL-c370t-b768577eab379bbc5985e7f53ad657659b90747c046f2caf637eef5806a78dd63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0925963506002111$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18491376$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Britun, V.F.</creatorcontrib><creatorcontrib>Kurdyumov, A.V.</creatorcontrib><creatorcontrib>Borimchuk, N.I.</creatorcontrib><creatorcontrib>Yarosh, V.V.</creatorcontrib><creatorcontrib>Danilenko, A.I.</creatorcontrib><title>Formation of diamond-like BN phases under shock compression of graphite-like BN with different degree of structural ordering</title><title>Diamond and related materials</title><description>The formation of diamond-like modifications of BN under high-temperature shock compression (
P
=
33 GPa and
T up to 3500 K) has been studied. The powders of graphite-like BN with different degree of three-dimensional ordering of structure (
D
3) were used as starting materials. To increase shock temperature and preserve dense phase formed, boron nitride powder mixed with alkali halide salt was compressed in cylindrical ampoule. The recovered samples were studied by X-ray diffraction and electron microscopy. It was revealed that the phase composition of shock compression products depends on the degree of three-dimensional ordering of initial graphite-like structure. Turbostratic BN with disordered structure (
D
3
=
0) transformed mainly into cubic cBN by diffusion mechanism, whereas highly ordered graphite-like BN (
D
3
=
0.95) transformed only into wurtzite wBN by martensitic mechanism. Both cubic and wurtzite dense modifications are formed from partly ordered initial structures (for which
D
3 was 0.45
÷
0.7). The both diamond-like phases have nanocrystalline structure.</description><subject>Boron nitride</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Fullerenes and related materials; diamonds, graphite</subject><subject>High pressure</subject><subject>High temperature</subject><subject>Materials science</subject><subject>Nanocrystalline</subject><subject>Physics</subject><subject>Specific materials</subject><issn>0925-9635</issn><issn>1879-0062</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFUE2L1TAUDaLgc5yfIGSju75JmiZpVqLDjA4MuplZhzS5eS9v2qYmqSL446flFV0KBy5czse9B6F3lOwpoeLqtHfBDHF0-5oQsV9B5Qu0o61U1bKpX6IdUTWvlGD8NXqT84kQWquG7tCf25gGU0IccfR486n68AT48zc8HU2GjOfRQcL5GO0TtnGYEuS8KQ7JTMdQ4K_kVyjHxcd7SDAW7OCQAFZmLmm2ZU6mxzEtfmE8vEWvvOkzXG7zAj3e3jxcf63uv3-5u_50X1kmSak6KVouJZiOSdV1lquWg_ScGSe4FFx1ishGWtIIX1vjBZMAnrdEGNk6J9gF-nD2nVL8MUMuegjZQt-bEeKcdb2UwxpGFyI_E22KOSfwekphMOm3pkSvXeuT3jrSa9d6BZWL7v0WYLI1vU9mtCH_E7eNokyuh3w882D59meApLMNMFpwIYEt2sXwn6RnYF-ZeA</recordid><startdate>20070201</startdate><enddate>20070201</enddate><creator>Britun, V.F.</creator><creator>Kurdyumov, A.V.</creator><creator>Borimchuk, N.I.</creator><creator>Yarosh, V.V.</creator><creator>Danilenko, A.I.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20070201</creationdate><title>Formation of diamond-like BN phases under shock compression of graphite-like BN with different degree of structural ordering</title><author>Britun, V.F. ; Kurdyumov, A.V. ; Borimchuk, N.I. ; Yarosh, V.V. ; Danilenko, A.I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c370t-b768577eab379bbc5985e7f53ad657659b90747c046f2caf637eef5806a78dd63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Boron nitride</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Fullerenes and related materials; diamonds, graphite</topic><topic>High pressure</topic><topic>High temperature</topic><topic>Materials science</topic><topic>Nanocrystalline</topic><topic>Physics</topic><topic>Specific materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Britun, V.F.</creatorcontrib><creatorcontrib>Kurdyumov, A.V.</creatorcontrib><creatorcontrib>Borimchuk, N.I.</creatorcontrib><creatorcontrib>Yarosh, V.V.</creatorcontrib><creatorcontrib>Danilenko, A.I.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Diamond and related materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Britun, V.F.</au><au>Kurdyumov, A.V.</au><au>Borimchuk, N.I.</au><au>Yarosh, V.V.</au><au>Danilenko, A.I.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Formation of diamond-like BN phases under shock compression of graphite-like BN with different degree of structural ordering</atitle><jtitle>Diamond and related materials</jtitle><date>2007-02-01</date><risdate>2007</risdate><volume>16</volume><issue>2</issue><spage>267</spage><epage>276</epage><pages>267-276</pages><issn>0925-9635</issn><eissn>1879-0062</eissn><abstract>The formation of diamond-like modifications of BN under high-temperature shock compression (
P
=
33 GPa and
T up to 3500 K) has been studied. The powders of graphite-like BN with different degree of three-dimensional ordering of structure (
D
3) were used as starting materials. To increase shock temperature and preserve dense phase formed, boron nitride powder mixed with alkali halide salt was compressed in cylindrical ampoule. The recovered samples were studied by X-ray diffraction and electron microscopy. It was revealed that the phase composition of shock compression products depends on the degree of three-dimensional ordering of initial graphite-like structure. Turbostratic BN with disordered structure (
D
3
=
0) transformed mainly into cubic cBN by diffusion mechanism, whereas highly ordered graphite-like BN (
D
3
=
0.95) transformed only into wurtzite wBN by martensitic mechanism. Both cubic and wurtzite dense modifications are formed from partly ordered initial structures (for which
D
3 was 0.45
÷
0.7). The both diamond-like phases have nanocrystalline structure.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.diamond.2006.06.017</doi><tpages>10</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Boron nitride Cross-disciplinary physics: materials science rheology Exact sciences and technology Fullerenes and related materials diamonds, graphite High pressure High temperature Materials science Nanocrystalline Physics Specific materials |
| title | Formation of diamond-like BN phases under shock compression of graphite-like BN with different degree of structural ordering |
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