Submicron cubic boron nitride as hard as diamond
Here, we report the sintering of aggregated submicron cubic boron nitride (sm-cBN) at a pressure of 8 GPa. The sintered cBN compacts exhibit hardness values comparable to that of single crystal diamond, fracture toughness about 5-fold that of cBN single crystal, in combination with a high oxidizatio...
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| Veröffentlicht in: | Applied physics letters 2015-03, Vol.106 (12) |
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| container_title | Applied physics letters |
| container_volume | 106 |
| creator | Liu, Guoduan Kou, Zili Yan, Xiaozhi Lei, Li Peng, Fang Wang, Qiming Wang, Kaixue Wang, Pei Li, Liang Li, Yong Li, Wentao Wang, Yonghua Bi, Yan Leng, Yang He, Duanwei |
| description | Here, we report the sintering of aggregated submicron cubic boron nitride (sm-cBN) at a pressure of 8 GPa. The sintered cBN compacts exhibit hardness values comparable to that of single crystal diamond, fracture toughness about 5-fold that of cBN single crystal, in combination with a high oxidization temperature. Thus, another way has been demonstrated to improve the mechanical properties of cBN besides reducing the grain size to nano scale. In contrast to other ultrahard compacts with similar hardness, the sm-cBN aggregates are better placed for potential industrial application, as their relative low pressure manufacturing perhaps be easier and cheaper. |
| doi_str_mv | 10.1063/1.4915253 |
| format | Article |
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The sintered cBN compacts exhibit hardness values comparable to that of single crystal diamond, fracture toughness about 5-fold that of cBN single crystal, in combination with a high oxidization temperature. Thus, another way has been demonstrated to improve the mechanical properties of cBN besides reducing the grain size to nano scale. In contrast to other ultrahard compacts with similar hardness, the sm-cBN aggregates are better placed for potential industrial application, as their relative low pressure manufacturing perhaps be easier and cheaper.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4915253</identifier><language>eng</language><publisher>United States</publisher><subject>BORON NITRIDES ; COMPARATIVE EVALUATIONS ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; CUBIC LATTICES ; DIAMONDS ; FRACTURE PROPERTIES ; GRAIN SIZE ; HARDNESS ; MONOCRYSTALS ; POTENTIALS ; PRESSURE DEPENDENCE ; SINTERING ; TEMPERATURE DEPENDENCE</subject><ispartof>Applied physics letters, 2015-03, Vol.106 (12)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c257t-e86d60e7a9510dda305472e6d12b056d5c830c9aac95482944d47af66bd43aaf3</citedby><cites>FETCH-LOGICAL-c257t-e86d60e7a9510dda305472e6d12b056d5c830c9aac95482944d47af66bd43aaf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22398767$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Guoduan</creatorcontrib><creatorcontrib>Kou, Zili</creatorcontrib><creatorcontrib>Yan, Xiaozhi</creatorcontrib><creatorcontrib>Lei, Li</creatorcontrib><creatorcontrib>Peng, Fang</creatorcontrib><creatorcontrib>Wang, Qiming</creatorcontrib><creatorcontrib>Wang, Kaixue</creatorcontrib><creatorcontrib>Wang, Pei</creatorcontrib><creatorcontrib>Li, Liang</creatorcontrib><creatorcontrib>Li, Yong</creatorcontrib><creatorcontrib>Li, Wentao</creatorcontrib><creatorcontrib>Wang, Yonghua</creatorcontrib><creatorcontrib>Bi, Yan</creatorcontrib><creatorcontrib>Leng, Yang</creatorcontrib><creatorcontrib>He, Duanwei</creatorcontrib><title>Submicron cubic boron nitride as hard as diamond</title><title>Applied physics letters</title><description>Here, we report the sintering of aggregated submicron cubic boron nitride (sm-cBN) at a pressure of 8 GPa. The sintered cBN compacts exhibit hardness values comparable to that of single crystal diamond, fracture toughness about 5-fold that of cBN single crystal, in combination with a high oxidization temperature. Thus, another way has been demonstrated to improve the mechanical properties of cBN besides reducing the grain size to nano scale. In contrast to other ultrahard compacts with similar hardness, the sm-cBN aggregates are better placed for potential industrial application, as their relative low pressure manufacturing perhaps be easier and cheaper.</description><subject>BORON NITRIDES</subject><subject>COMPARATIVE EVALUATIONS</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>CUBIC LATTICES</subject><subject>DIAMONDS</subject><subject>FRACTURE PROPERTIES</subject><subject>GRAIN SIZE</subject><subject>HARDNESS</subject><subject>MONOCRYSTALS</subject><subject>POTENTIALS</subject><subject>PRESSURE DEPENDENCE</subject><subject>SINTERING</subject><subject>TEMPERATURE DEPENDENCE</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNotUE1LxDAUDKLgunrwHxQ8eej6kpeP5iiLX7DgQT2H1yRlI7aVpHvw39uye5oZGGaYYeyWw4aDxge-kZYrofCMrTgYUyPnzTlbAQDW2ip-ya5K-Z6lEogrBh-Htk8-j0PlD23yVTsufEhTTiFWVKo95bBgSNSPQ7hmFx39lHhzwjX7en763L7Wu_eXt-3jrvZCmamOjQ4aoqG5EkIgBCWNiDpw0YLSQfkGwVsib5VshJUySEOd1m2QSNThmt0dc8cyJVd8mqLf-3EYop-cEGgbo83suj-65gWl5Ni535x6yn-Og1sOcdydDsF_fgZQeA</recordid><startdate>20150323</startdate><enddate>20150323</enddate><creator>Liu, Guoduan</creator><creator>Kou, Zili</creator><creator>Yan, Xiaozhi</creator><creator>Lei, Li</creator><creator>Peng, Fang</creator><creator>Wang, Qiming</creator><creator>Wang, Kaixue</creator><creator>Wang, Pei</creator><creator>Li, Liang</creator><creator>Li, Yong</creator><creator>Li, Wentao</creator><creator>Wang, Yonghua</creator><creator>Bi, Yan</creator><creator>Leng, Yang</creator><creator>He, Duanwei</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20150323</creationdate><title>Submicron cubic boron nitride as hard as diamond</title><author>Liu, Guoduan ; Kou, Zili ; Yan, Xiaozhi ; Lei, Li ; Peng, Fang ; Wang, Qiming ; Wang, Kaixue ; Wang, Pei ; Li, Liang ; Li, Yong ; Li, Wentao ; Wang, Yonghua ; Bi, Yan ; Leng, Yang ; He, Duanwei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c257t-e86d60e7a9510dda305472e6d12b056d5c830c9aac95482944d47af66bd43aaf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>BORON NITRIDES</topic><topic>COMPARATIVE EVALUATIONS</topic><topic>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</topic><topic>CUBIC LATTICES</topic><topic>DIAMONDS</topic><topic>FRACTURE PROPERTIES</topic><topic>GRAIN SIZE</topic><topic>HARDNESS</topic><topic>MONOCRYSTALS</topic><topic>POTENTIALS</topic><topic>PRESSURE DEPENDENCE</topic><topic>SINTERING</topic><topic>TEMPERATURE DEPENDENCE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Guoduan</creatorcontrib><creatorcontrib>Kou, Zili</creatorcontrib><creatorcontrib>Yan, Xiaozhi</creatorcontrib><creatorcontrib>Lei, Li</creatorcontrib><creatorcontrib>Peng, Fang</creatorcontrib><creatorcontrib>Wang, Qiming</creatorcontrib><creatorcontrib>Wang, Kaixue</creatorcontrib><creatorcontrib>Wang, Pei</creatorcontrib><creatorcontrib>Li, Liang</creatorcontrib><creatorcontrib>Li, Yong</creatorcontrib><creatorcontrib>Li, Wentao</creatorcontrib><creatorcontrib>Wang, Yonghua</creatorcontrib><creatorcontrib>Bi, Yan</creatorcontrib><creatorcontrib>Leng, Yang</creatorcontrib><creatorcontrib>He, Duanwei</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Guoduan</au><au>Kou, Zili</au><au>Yan, Xiaozhi</au><au>Lei, Li</au><au>Peng, Fang</au><au>Wang, Qiming</au><au>Wang, Kaixue</au><au>Wang, Pei</au><au>Li, Liang</au><au>Li, Yong</au><au>Li, Wentao</au><au>Wang, Yonghua</au><au>Bi, Yan</au><au>Leng, Yang</au><au>He, Duanwei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Submicron cubic boron nitride as hard as diamond</atitle><jtitle>Applied physics letters</jtitle><date>2015-03-23</date><risdate>2015</risdate><volume>106</volume><issue>12</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>Here, we report the sintering of aggregated submicron cubic boron nitride (sm-cBN) at a pressure of 8 GPa. The sintered cBN compacts exhibit hardness values comparable to that of single crystal diamond, fracture toughness about 5-fold that of cBN single crystal, in combination with a high oxidization temperature. Thus, another way has been demonstrated to improve the mechanical properties of cBN besides reducing the grain size to nano scale. In contrast to other ultrahard compacts with similar hardness, the sm-cBN aggregates are better placed for potential industrial application, as their relative low pressure manufacturing perhaps be easier and cheaper.</abstract><cop>United States</cop><doi>10.1063/1.4915253</doi></addata></record> |
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| ispartof | Applied physics letters, 2015-03, Vol.106 (12) |
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| subjects | BORON NITRIDES COMPARATIVE EVALUATIONS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY CUBIC LATTICES DIAMONDS FRACTURE PROPERTIES GRAIN SIZE HARDNESS MONOCRYSTALS POTENTIALS PRESSURE DEPENDENCE SINTERING TEMPERATURE DEPENDENCE |
| title | Submicron cubic boron nitride as hard as diamond |
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