IMECH-IR  > 力学所知识产出(1956-2008)
Synthesis and Tensile Property of Nanocrystalline Metal Copper
Wu XJ; Du LG; Zhang HF; Liu JF; Zhou YS; Li ZQ; Xiong LY; Bai YL(白以龙); Wu, XJ (reprint author), Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China.
Source PublicationNANOSTRUCTURED MATERIALS
1999
Volume12Issue:1-4Pages:221-224
ISSN0965-9773
AbstractA large disk-shaped specimen of nanocrystalline metal copper, with a diameter of 80 mm and thickness 5 mm, was synthesized by an inert gas condensation and insitu warm compacting technique. The grain size and density of the specimen are 36 nm and 94.3 % of standard density, respectively The positron lifetime and intensity were measured for monitoring the defects in the specimen. The results indicated that the size and amount of the vacancies and microvoids in the large specimen are close to that found in the small specimens of other nanostructured materials prepared by the same technique. The tensile stress-strain curve has been precisely measured by using the load cell and foil strain gauge. The results showed that the elastic modulus, yield stress, fracture strength, elongation and mirohardness are 0.65, 1.42, 1.82, 0.20 and 6 times of that for coarse-grained polycrystalline metal copper, respectively. (C) 1999 Acta Metallurgica Inc.
DOI10.1016/S0965-9773(99)00103-8
Indexed BySCI
Language英语
WOS IDWOS:000081912100050
WOS KeywordPOSITRON LIFETIME SPECTROSCOPY ; MECHANICAL-BEHAVIOR ; IRON
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58492
Collection力学所知识产出(1956-2008)
Corresponding AuthorWu, XJ (reprint author), Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China.
Recommended Citation
GB/T 7714
Wu XJ,Du LG,Zhang HF,et al. Synthesis and Tensile Property of Nanocrystalline Metal Copper[J]. NANOSTRUCTURED MATERIALS,1999,12(1-4):221-224.
APA Wu XJ.,Du LG.,Zhang HF.,Liu JF.,Zhou YS.,...&Wu, XJ .(1999).Synthesis and Tensile Property of Nanocrystalline Metal Copper.NANOSTRUCTURED MATERIALS,12(1-4),221-224.
MLA Wu XJ,et al."Synthesis and Tensile Property of Nanocrystalline Metal Copper".NANOSTRUCTURED MATERIALS 12.1-4(1999):221-224.
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