IMECH-IR  > 非线性力学国家重点实验室
Temperature-induced ductile-to-brittle transition of bulk metallic glasses
Li G; Jiang MQ(蒋敏强); Jiang F; He L; Sun J; Jiang, F (reprint author), Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China.
Source PublicationAPPLIED PHYSICS LETTERS
2013-04-29
Volume102Issue:17Pages:171901/1-171901/4
ISSN0003-6951
AbstractUniaxial tensile and uniaxial compressive tests for Zr-based bulk metallic glasses (BMGs) were conducted at room and cryogenic temperatures, respectively. It was observed that both the change of macroscopic fracture mode from ductile shear fracture to brittle normal tensile fracture and microscopic fracture feature from micron-scaled vein patterns to nano-scaled dimples with decreasing test temperatures were identified, indicating a significant ductile-to-brittle transition (DBT) behavior. The mechanism of DBT behavior was revealed by the competition between the intrinsic critical shear strength tau(0) and critical tensile strength sigma(0) at different temperatures.
KeywordBrittle Fracture Ductile Fracture Tensile Strength Bulk Metallic Glass Critical Shear Strengths Cryogenic Temperatures Ductile-to-brittle Transition Macroscopic Fractures Temperature-induced Uniaxial Compressive Tests Zr Based Bulk Metallic Glass
Subject Area固体力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000318553000017
Funding OrganizationNational Natural Science Foundation of China (NSFC) [51171138, 51171137, 11002144]; Ph.D. Programs Foundation of Ministry of Education of China [20110201110002]; National Basic Research Program of China [2010CB631003]
DepartmentLNM冲击动力学与新型材料力学性能
Classification一类
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47291
Collection非线性力学国家重点实验室
Corresponding AuthorJiang, F (reprint author), Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China.
Recommended Citation
GB/T 7714
Li G,Jiang MQ,Jiang F,et al. Temperature-induced ductile-to-brittle transition of bulk metallic glasses[J]. APPLIED PHYSICS LETTERS,2013,102(17):171901/1-171901/4.
APA Li G,蒋敏强,Jiang F,He L,Sun J,&Jiang, F .(2013).Temperature-induced ductile-to-brittle transition of bulk metallic glasses.APPLIED PHYSICS LETTERS,102(17),171901/1-171901/4.
MLA Li G,et al."Temperature-induced ductile-to-brittle transition of bulk metallic glasses".APPLIED PHYSICS LETTERS 102.17(2013):171901/1-171901/4.
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