Article(id=1324026416752361671, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026415431164669, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1268064000000, receivedDateStr=2010-03-09, revisedDate=1279468800000, revisedDateStr=2010-07-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1793602096974, onlineDateStr=2026-11-02, pubDate=1308067200000, pubDateStr=2011-06-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793602096974, onlineIssueDateStr=2026-11-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793602096974, creator=13701087609, updateTime=1793602096974, updator=13701087609, issue=Issue{id=1324026415431164669, tenantId=1146029695717560320, journalId=1255847867265597444, year='2011', volume='25', issue='3', pageStart='193', pageEnd='288', issueExtLink='null', onlineDate='null', pubDate='1308067200000', pubDateStr='2011-06-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793602096660, creator='13701087609', updateTime=1793602819353, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324029446684028999, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026415431164669, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324029446684029000, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026415431164669, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=200, endPage=206, ext={EN=ArticleExt(id=1324026417066934472, articleId=1324026416752361671, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Sintering Process of Polycrystalline Diamond Compact under High Pressure, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The polycrystalline diamond compact (PDC) samples sintered at 1 460 ℃, 5.6 GPa and at varied sintering time were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and EDX. In the XRD patterns, graphite (002) peak was found in the sample sintered for 40 s. It was also found that the WC (100) peaks in different samples change from weak to strong and then to weak, and finally disappear with the increase of the sinter time of PDC. Furthermore, the calculated results from the XRD data show that the magnitude of the cell parameter of the cobalt in the diamond layer of PDC increases with the sinter time due to the solution of the W or C. It was observed that the distribution of the cobalt diffusing from the substrate of WC is uneven.

, authors=Guo-Ping XU1, 2, Zhi-Min YIN1, Qi-Wu CHEN2, Ji-Wu HUANG1, authorsList=Guo-Ping XU, Zhi-Min YIN, Qi-Wu CHEN, Ji-Wu HUANG, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1324026417536696521, articleId=1324026416752361671, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=聚晶金刚石复合片超高压烧结过程的实验研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

采用X射线衍射(XRD)分析、扫描电子显微镜(SEM)和能谱分析(EDX)等方法,对在压力5.6 GPa、温度1 460 ℃条件下,加热时间分别为2、3、4、6、8、10 min的聚晶金刚石复合片(PDC)样品进行了分析。结果表明:PDC的烧结经历了金刚石的石墨化过程,而且在烧结过程中金刚石层表面的XRD图谱出现了WC衍射峰,强度由弱到强,再由强到弱,直至消失;进一步的研究发现,PDC中助烧结剂Co的晶格常数因C和W原子的固溶会变大,并随PDC加热时间的延长出现一个峰值;从硬质合金基体扩散到金刚石层的Co由于扩散通道各异、所受阻力不同,使得其分布不均匀。

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徐国平(1962—),男,博士,教授级高级工程师,主要从事复合超硬材料高压合成方面的研究. E-mail:

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徐国平(1962—),男,博士,教授级高级工程师,主要从事复合超硬材料高压合成方面的研究. E-mail:

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聚晶金刚石复合片超高压烧结过程的实验研究
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徐国平 1, 2 , 尹志民 1 , 陈启武 2 , 黄继武 1
高压物理学报 | 2011,25(3): 200-206
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高压物理学报 | 2011 , 25 (3) : 200 -206
聚晶金刚石复合片超高压烧结过程的实验研究
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徐国平1, 2 , 尹志民1, 陈启武2, 黄继武1
作者信息
  • 1.中南大学材料科学与工程学院,湖南 长沙 410083
  • 2.长沙矿冶研究院,湖南 长沙 410012
作者简介:

徐国平(1962—),男,博士,教授级高级工程师,主要从事复合超硬材料高压合成方面的研究. E-mail:

Sintering Process of Polycrystalline Diamond Compact under High Pressure
Guo-Ping XU1, 2 , Zhi-Min YIN1, Qi-Wu CHEN2, Ji-Wu HUANG1
Affiliations
  • 1.School of Materials Science & Engineering, Central South University, Changsha 410083, China
  • 2.Changsha research institute of mining and metallurgy, Changsha 410012, China
出版时间: 2011-06-15
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采用X射线衍射(XRD)分析、扫描电子显微镜(SEM)和能谱分析(EDX)等方法,对在压力5.6 GPa、温度1 460 ℃条件下,加热时间分别为2、3、4、6、8、10 min的聚晶金刚石复合片(PDC)样品进行了分析。结果表明:PDC的烧结经历了金刚石的石墨化过程,而且在烧结过程中金刚石层表面的XRD图谱出现了WC衍射峰,强度由弱到强,再由强到弱,直至消失;进一步的研究发现,PDC中助烧结剂Co的晶格常数因C和W原子的固溶会变大,并随PDC加热时间的延长出现一个峰值;从硬质合金基体扩散到金刚石层的Co由于扩散通道各异、所受阻力不同,使得其分布不均匀。

金刚石复合片  /  超高压  /  烧结

The polycrystalline diamond compact (PDC) samples sintered at 1 460 ℃, 5.6 GPa and at varied sintering time were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and EDX. In the XRD patterns, graphite (002) peak was found in the sample sintered for 40 s. It was also found that the WC (100) peaks in different samples change from weak to strong and then to weak, and finally disappear with the increase of the sinter time of PDC. Furthermore, the calculated results from the XRD data show that the magnitude of the cell parameter of the cobalt in the diamond layer of PDC increases with the sinter time due to the solution of the W or C. It was observed that the distribution of the cobalt diffusing from the substrate of WC is uneven.

polycrystalline diamond compact  /  high pressure  /  sintering
徐国平, 尹志民, 陈启武, 黄继武. 聚晶金刚石复合片超高压烧结过程的实验研究. 高压物理学报, 2011 , 25 (3) : 200 -206 .
Guo-Ping XU, Zhi-Min YIN, Qi-Wu CHEN, Ji-Wu HUANG. Sintering Process of Polycrystalline Diamond Compact under High Pressure[J]. Chinese Journal of High Pressure Physics, 2011 , 25 (3) : 200 -206 .
  • 高校博士点基金项目(20070533113)
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2011年第25卷第3期
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  • 接收时间:2010-03-09
  • 首发时间:2026-11-02
  • 出版时间:2011-06-15
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  • 收稿日期:2010-03-09
  • 修回日期:2010-07-19
基金
高校博士点基金项目(20070533113)
作者信息
    1.中南大学材料科学与工程学院,湖南 长沙 410083
    2.长沙矿冶研究院,湖南 长沙 410012
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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