Sample dimensions influence strength and crystal plasticity

Science

Volumn 305, Issue 5686, 2004, Pages 986-989

  Uchic, Michael D ^a   Dimiduk, Dennis M ^a   Florando, Jeffrey N ^b   Nix, William D ^c  

^a AIR FORCE RESEARCH LABORATORY   (United States)

^b LAWRENCE LIVERMORE NATIONAL LABORATORY   (United States)

^c Stanford University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

NUCLEATION; PLASTICITY; SINGLE CRYSTALS; STRENGTH OF MATERIALS;

CRYSTAL DEFORMS; DISLOCATION STORAGE;

CRYSTALS;

METAL; PLASTIC;

CRYSTALLOGRAPHY; PLASTICITY; SIZE EFFECT; STRENGTH;

ARTICLE; CRYSTAL; MATERIALS TESTING; MECHANICAL STRESS; PLASTICITY; PRIORITY JOURNAL; STRESS STRAIN RELATIONSHIP; TENSILE STRENGTH;

EID: 4043135984     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.1098993     Document Type: Article

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26. Supported by the Air Force Office of Scientific Research and the Accelerated Insertion of Materials program of the Defense Advanced Research Projects Agency (M.D.U. and D.M.D.) under the direction of C. Hartley and L. Christodoulou, respectively, and by the U.S. Department of Energy and NSF (J.N.F. and W.D.N.). The Ni superalloy single crystal and corresponding bulk mechanical test data were provided by T. Pollock of the University of Michigan. We gratefully acknowledge useful discussions with T. A. Parthasarathy, K. Hemker, and R. LeSar. We also acknowledge H. Fraser, whose efforts enabled many aspects of the instruments used in this work.