Article(id=1325114935952408719, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325114771112079843, 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=1286726400000, receivedDateStr=2010-10-11, revisedDate=1296144000000, revisedDateStr=2011-01-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861620175, onlineDateStr=2026-11-05, pubDate=1339689600000, pubDateStr=2012-06-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861620175, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861620175, creator=13701087609, updateTime=1793861620175, updator=13701087609, issue=Issue{id=1325114771112079843, tenantId=1146029695717560320, journalId=1255847867265597444, year='2012', volume='26', issue='3', pageStart='241', pageEnd='360', issueExtLink='null', onlineDate='null', pubDate='1339689600000', pubDateStr='2012-06-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861580875, creator='13701087609', updateTime=1793861580875, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=333, endPage=337, ext={EN=ArticleExt(id=1325114936376033424, articleId=1325114935952408719, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Mechanical Properties of Hf-Based Metallic Glasses, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The quasi-static and dynamic compression tests for Hf44.5Cu27Ni13.5Ti5Al10 metallic glass were done by MTS810 and split Hopkinson pressure bar (SHPB) in the range of strain rate of 10—4-103 s—1. The compressive stress-strain curves were obtained under varied strain rate and the fracture morphologies were studied by scanning electron microscopy. The experimental results show that the Hf44.5Cu27Ni13.5Ti5Al10 metallic glsaa does not have the strain rate sensitivity under quasi-static compression. The dimple structure and periodic corrugations with about 60 nm spacing can be observed at the fracture surfaces which consist of radical zone and fan-shaped zone. Under dynamic compression, the yield strength rapidly declines with rise of strain rate, the metallic glass has the strain rate sensitivity. The fracture surfaces show floccule structure with vein-like patterns. Further observation reveals that dynamic compression fracture surfaces exist three fracture morphology: branch-like patterns, vein-like patterns and molten agglomerates.

, authors=Yan-Po WANG, Bao-Ru SUN, Zai-Ji ZHAN, Wen-Kui WANG, authorsList=Yan-Po WANG, Bao-Ru SUN, Zai-Ji ZHAN, Wen-Kui WANG, authorCompany=null, correspAuthors=Bao-Ru SUN, 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=1325114937177145489, articleId=1325114935952408719, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=Hf-基非晶合金的力学性能研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

利用MTS810实验机和分离式霍普金森压杆(SHPB),对Hf44.5Cu27Ni13.5Ti5Al10块体非晶合金进行了准静态和动态压缩实验,应变速率范围为10—4~103 s—1,给出了不同应变速率下非晶合金的应力-应变曲线,并对其压缩断口形貌进行了扫描电镜观察。结果表明:在准静态压缩条件下,Hf44.5Cu27Ni13.5Ti5Al10非晶合金不具有应变速率敏感性,在由放射区和扇形区组成的断口形貌上观察到纳米级韧窝和60 nm左右的周期性条纹结构;在动态压缩条件下,随着应变速率的增加,动态屈服强度明显减小,合金具有应变速率敏感性,同时断裂表面为夹杂着脉络条纹的絮状结构。进一步观察发现,动态压缩断口上存在3种特征断裂形貌:树枝状条纹、典型脉络花纹和合金熔体。

, authors=王燕坡, 孙宝茹, 战再吉, 王文魁, authorsList=王燕坡, 孙宝茹, 战再吉, 王文魁, authorCompany=null, correspAuthors=孙宝茹, authorNote=

王燕坡(1983—),男,硕士,主要从事块体非晶合金的热稳定性及力学性能研究. E-mail:

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孙宝茹(1976—),女,博士,讲师,主要从事大块金属玻璃的制备及性能研究. E-mail:
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Hf-基非晶合金的力学性能研究
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王燕坡 , 孙宝茹 , 战再吉 , 王文魁
高压物理学报 | 2012,26(3): 333-337
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高压物理学报 | 2012 , 26 (3) : 333 -337
Hf-基非晶合金的力学性能研究
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王燕坡 , 孙宝茹 , 战再吉, 王文魁
作者信息
  • 燕山大学亚稳材料制备技术与科学国家重点实验室,河北 秦皇岛 066004
通讯作者:
孙宝茹(1976—),女,博士,讲师,主要从事大块金属玻璃的制备及性能研究. E-mail:
作者简介:

王燕坡(1983—),男,硕士,主要从事块体非晶合金的热稳定性及力学性能研究. E-mail:

Mechanical Properties of Hf-Based Metallic Glasses
Yan-Po WANG , Bao-Ru SUN , Zai-Ji ZHAN, Wen-Kui WANG
Affiliations
  • State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China
出版时间: 2012-06-15
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利用MTS810实验机和分离式霍普金森压杆(SHPB),对Hf44.5Cu27Ni13.5Ti5Al10块体非晶合金进行了准静态和动态压缩实验,应变速率范围为10—4~103 s—1,给出了不同应变速率下非晶合金的应力-应变曲线,并对其压缩断口形貌进行了扫描电镜观察。结果表明:在准静态压缩条件下,Hf44.5Cu27Ni13.5Ti5Al10非晶合金不具有应变速率敏感性,在由放射区和扇形区组成的断口形貌上观察到纳米级韧窝和60 nm左右的周期性条纹结构;在动态压缩条件下,随着应变速率的增加,动态屈服强度明显减小,合金具有应变速率敏感性,同时断裂表面为夹杂着脉络条纹的絮状结构。进一步观察发现,动态压缩断口上存在3种特征断裂形貌:树枝状条纹、典型脉络花纹和合金熔体。

Hf-基非晶合金  /  应变速率  /  断口形貌  /  绝热升温

The quasi-static and dynamic compression tests for Hf44.5Cu27Ni13.5Ti5Al10 metallic glass were done by MTS810 and split Hopkinson pressure bar (SHPB) in the range of strain rate of 10—4-103 s—1. The compressive stress-strain curves were obtained under varied strain rate and the fracture morphologies were studied by scanning electron microscopy. The experimental results show that the Hf44.5Cu27Ni13.5Ti5Al10 metallic glsaa does not have the strain rate sensitivity under quasi-static compression. The dimple structure and periodic corrugations with about 60 nm spacing can be observed at the fracture surfaces which consist of radical zone and fan-shaped zone. Under dynamic compression, the yield strength rapidly declines with rise of strain rate, the metallic glass has the strain rate sensitivity. The fracture surfaces show floccule structure with vein-like patterns. Further observation reveals that dynamic compression fracture surfaces exist three fracture morphology: branch-like patterns, vein-like patterns and molten agglomerates.

Hf-based metallic glasses  /  strain rate  /  fracture morphology  /  adiabatic heating
王燕坡, 孙宝茹, 战再吉, 王文魁. Hf-基非晶合金的力学性能研究. 高压物理学报, 2012 , 26 (3) : 333 -337 .
Yan-Po WANG, Bao-Ru SUN, Zai-Ji ZHAN, Wen-Kui WANG. Mechanical Properties of Hf-Based Metallic Glasses[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (3) : 333 -337 .
  • 空间飞行器长寿命关键构件制备与服役中的基础问题(2010CB731600)
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2012年第26卷第3期
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  • 接收时间:2010-10-11
  • 首发时间:2026-11-05
  • 出版时间:2012-06-15
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  • 收稿日期:2010-10-11
  • 修回日期:2011-01-28
基金
空间飞行器长寿命关键构件制备与服役中的基础问题(2010CB731600)
作者信息
    燕山大学亚稳材料制备技术与科学国家重点实验室,河北 秦皇岛 066004

通讯作者:

孙宝茹(1976—),女,博士,讲师,主要从事大块金属玻璃的制备及性能研究. E-mail:
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2种不同金属材料的力学参数
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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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