Mechanical Properties and Anisotropy in PbWO4 Single Crystal
The mechanical properties of PbWO4 （PWO） crystals grown by the vertical Bridgman method are systematically investigated using the microindentation technique. In the present work, the Vickers microhardness Hν, fracture toughness Kc, yield strength σy and friability index Bi of PbWO4 crystals are meas...
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| Veröffentlicht in: | Chinese physics letters 2010-02, Vol.27 (2), p.191-194 |
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| creator | 王红 张志军 赵景泰 徐家跃 胡关钦 李培俊 |
| description | The mechanical properties of PbWO4 （PWO） crystals grown by the vertical Bridgman method are systematically investigated using the microindentation technique. In the present work, the Vickers microhardness Hν, fracture toughness Kc, yield strength σy and friability index Bi of PbWO4 crystals are measured. The Vickers microhardness Hν on the （100） wafer is about 140 MPa, which means that PWO is a little soft＇＇ scintillator. The anisotropy of mechanical properties is also investigated under a steady load of 0.5 kg. The （100） wafer of the crystal exhibits combined mechanical properties more excellent than those of （111） and （001） wafers, and the values of Kc, σy, and Bi are 0.538 MPa＆#12539;m1/2, 51.11 kg/mm2 and 284.96 νm-1/2, respectively. |
| doi_str_mv | 10.1088/0256-307X/27/2/026101 |
| format | Article |
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In the present work, the Vickers microhardness Hν, fracture toughness Kc, yield strength σy and friability index Bi of PbWO4 crystals are measured. The Vickers microhardness Hν on the （100） wafer is about 140 MPa, which means that PWO is a little soft＇＇ scintillator. The anisotropy of mechanical properties is also investigated under a steady load of 0.5 kg. The （100） wafer of the crystal exhibits combined mechanical properties more excellent than those of （111） and （001） wafers, and the values of Kc, σy, and Bi are 0.538 MPa＆#12539;m1/2, 51.11 kg/mm2 and 284.96 νm-1/2, respectively.</description><identifier>ISSN: 0256-307X</identifier><identifier>EISSN: 1741-3540</identifier><identifier>DOI: 10.1088/0256-307X/27/2/026101</identifier><language>eng</language><publisher>IOP Publishing</publisher><subject>Anisotropy ; Crystal growth ; Crystals ; Lead tungstates ; Mechanical properties ; Vickers microhardness ; Wafers ; Yield strength ; 力学性能 ; 单晶 ; 各向异性 ; 垂直布里奇曼法 ; 屈服强度 ; 断裂韧性 ; 维氏硬度 ; 钨酸铅晶体</subject><ispartof>Chinese physics letters, 2010-02, Vol.27 (2), p.191-194</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/84212X/84212X.jpg</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/0256-307X/27/2/026101/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,776,780,27901,27902,53805,53885</link.rule.ids></links><search><creatorcontrib>王红 张志军 赵景泰 徐家跃 胡关钦 李培俊</creatorcontrib><title>Mechanical Properties and Anisotropy in PbWO4 Single Crystal</title><title>Chinese physics letters</title><addtitle>Chinese Physics Letters</addtitle><description>The mechanical properties of PbWO4 （PWO） crystals grown by the vertical Bridgman method are systematically investigated using the microindentation technique. In the present work, the Vickers microhardness Hν, fracture toughness Kc, yield strength σy and friability index Bi of PbWO4 crystals are measured. The Vickers microhardness Hν on the （100） wafer is about 140 MPa, which means that PWO is a little soft＇＇ scintillator. The anisotropy of mechanical properties is also investigated under a steady load of 0.5 kg. The （100） wafer of the crystal exhibits combined mechanical properties more excellent than those of （111） and （001） wafers, and the values of Kc, σy, and Bi are 0.538 MPa＆#12539;m1/2, 51.11 kg/mm2 and 284.96 νm-1/2, respectively.</description><subject>Anisotropy</subject><subject>Crystal growth</subject><subject>Crystals</subject><subject>Lead tungstates</subject><subject>Mechanical properties</subject><subject>Vickers microhardness</subject><subject>Wafers</subject><subject>Yield strength</subject><subject>力学性能</subject><subject>单晶</subject><subject>各向异性</subject><subject>垂直布里奇曼法</subject><subject>屈服强度</subject><subject>断裂韧性</subject><subject>维氏硬度</subject><subject>钨酸铅晶体</subject><issn>0256-307X</issn><issn>1741-3540</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNo9kE1Lw0AQhhdRsFZ_ghC8eIqZ_cwGvJTiF1RaUNHbMtls2tU0SbPpof_elIin4R2ed2AeQq4p3FHQOgEmVcwh_UpYmrAhKgr0hExoKmjMpYBTMvlnzslFCN8AlGpKJ-T-1dkN1t5iFa26pnVd712IsC6iWe1D0w-7Q-TraJV_LkX05ut15aJ5dwg9VpfkrMQquKu_OSUfjw_v8-d4sXx6mc8WsWVS9jErhEZmtSqBldRxlYrC5gwLJZzktixdASCLLAWFkFmKChG5LoRgTudlyqfkdrzbds1u70Jvtj5YV1VYu2YfjJZSZUopGEgYSd-0pu38FruDoWCOnszRgTk6MCw1zIyehsrNWLGbpl7vhgdNjvan9JUznA-eMpXxX2JJZfc</recordid><startdate>20100201</startdate><enddate>20100201</enddate><creator>王红 张志军 赵景泰 徐家跃 胡关钦 李培俊</creator><general>IOP Publishing</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20100201</creationdate><title>Mechanical Properties and Anisotropy in PbWO4 Single Crystal</title><author>王红 张志军 赵景泰 徐家跃 胡关钦 李培俊</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c255t-2d48a2c86f02f1e3674dcb2ad64e53cffed005d9706a09c1a6aaa38d442e8bf73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Anisotropy</topic><topic>Crystal growth</topic><topic>Crystals</topic><topic>Lead tungstates</topic><topic>Mechanical properties</topic><topic>Vickers microhardness</topic><topic>Wafers</topic><topic>Yield strength</topic><topic>力学性能</topic><topic>单晶</topic><topic>各向异性</topic><topic>垂直布里奇曼法</topic><topic>屈服强度</topic><topic>断裂韧性</topic><topic>维氏硬度</topic><topic>钨酸铅晶体</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>王红 张志军 赵景泰 徐家跃 胡关钦 李培俊</creatorcontrib><collection>维普_期刊</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>维普中文期刊数据库</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Chinese physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>王红 张志军 赵景泰 徐家跃 胡关钦 李培俊</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mechanical Properties and Anisotropy in PbWO4 Single Crystal</atitle><jtitle>Chinese physics letters</jtitle><addtitle>Chinese Physics Letters</addtitle><date>2010-02-01</date><risdate>2010</risdate><volume>27</volume><issue>2</issue><spage>191</spage><epage>194</epage><pages>191-194</pages><issn>0256-307X</issn><eissn>1741-3540</eissn><abstract>The mechanical properties of PbWO4 （PWO） crystals grown by the vertical Bridgman method are systematically investigated using the microindentation technique. In the present work, the Vickers microhardness Hν, fracture toughness Kc, yield strength σy and friability index Bi of PbWO4 crystals are measured. The Vickers microhardness Hν on the （100） wafer is about 140 MPa, which means that PWO is a little soft＇＇ scintillator. The anisotropy of mechanical properties is also investigated under a steady load of 0.5 kg. The （100） wafer of the crystal exhibits combined mechanical properties more excellent than those of （111） and （001） wafers, and the values of Kc, σy, and Bi are 0.538 MPa＆#12539;m1/2, 51.11 kg/mm2 and 284.96 νm-1/2, respectively.</abstract><pub>IOP Publishing</pub><doi>10.1088/0256-307X/27/2/026101</doi><tpages>4</tpages></addata></record> |
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| ispartof | Chinese physics letters, 2010-02, Vol.27 (2), p.191-194 |
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| language | eng |
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| source | Institute of Physics Journals |
| subjects | Anisotropy Crystal growth Crystals Lead tungstates Mechanical properties Vickers microhardness Wafers Yield strength 力学性能 单晶 各向异性 垂直布里奇曼法 屈服强度 断裂韧性 维氏硬度 钨酸铅晶体 |
| title | Mechanical Properties and Anisotropy in PbWO4 Single Crystal |
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