Article(id=1242133527689506825, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242133495779242871, articleNumber=null, orderNo=13, doi=10.3981/j.issn.1000-7857.2015.11.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1421251200000, receivedDateStr=2015-01-15, revisedDate=1428940800000, revisedDateStr=2015-04-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1434011286670, onlineDateStr=2015-06-11, pubDate=1434124800000, pubDateStr=2015-06-13, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1434011286670, onlineIssueDateStr=2015-06-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774077310719, creator=sys-migrate, updateTime=1774077310719, updator=sys-migrate, issue=Issue{id=1242133495779242871, tenantId=1146029695717560320, journalId=1146031591421210625, year='2015', volume='33', issue='11', pageStart='1', pageEnd='128', issueExtLink='null', onlineDate='null', pubDate='1434124800000', pubDateStr='2015-06-13', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774077303109, creator='sys-migrate', updateTime=1774077303109, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=63, endPage=68, ext={EN=ArticleExt(id=1242133536128446513, articleId=1242133527689506825, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Effects of diamond arrangement on drilling performance, columnId=1242116080374710456, journalTitle=Science & Technology Review, columnName=Articles, runingTitle=null, highlight=null, articleAbstract=The study of the relationship between diamond macro arrangement in drill bit and drilling performance is helpful for the design of orderly arranged diamond drill bit as well as for getting better understanding of fracture mechanism of the rock. ANSYSLSDYNA was used to simulate the rock drilling using flat impregnated diamond drill bit with three kinds of diamond arrangements, namely curved arrangement, ray arrangement and uniform arrangement. The effects of diamond arrangement on the drilling performance were observed. Indoor drilling tests were conducted on the brazed diamond drill bits with the aforementioned structures. The results showed that drill bits with curved arrangement of diamond had the best performance, followed by that with uniform arrangement of diamond, and finally that with ray arrangement. The results of indoor drilling tests are in perfect accord with those from numerical simulation., authors=ZHANG Wenjiao¹, QU Yandong¹, KONG Xiangqing¹, YANG Kaihua², authorsList=ZHANG Wenjiao, QU Yandong, KONG Xiangqing, YANG Kaihua, authorCompany=1. School of Civil and Architectural Engineering, Liaoning University of Technology, Jinzhou 121001, China;
2. Faculty of Engineering, China University of Geosciences, Wuhan 430074, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=hNXG7CbXACde3ybHbDsluQ==, pdfFileSize=3553259, 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=1242133534408777764, articleId=1242133527689506825, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=金刚石排列模式对钻进时效的影响, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=研究金刚石宏观排列模式与金刚石钻头碎岩的时效关系, 不仅有助于设计有序排列金刚石钻头, 而且有利于更好地理解金刚石有序排列下岩石的破碎机理。本文应用ANSYS-LSDYNA 有限元软件对3 种不同金刚石排列模式(弧形排列、均匀排列和射线排列)的平底孕镶金刚石钻头进行孔底碎岩模拟研究, 考察金刚石的排列模式对其钻进时效的影响, 并对采用钎焊法试制的3 种有序排列金刚石钻头进行室内钻进试验。研究表明, 3 种钻头的钻进时效由高到低分别为弧形排列、均匀排列和射线排列钻头, 室内钻进试验结果与数值模拟结果吻合较好。, authors=章文姣¹, 曲艳东¹, 孔祥清¹, 杨凯华², authorsList=章文姣, 曲艳东, 孔祥清, 杨凯华, authorCompany=1. 辽宁工业大学土木建筑工程学院, 锦州121001;
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