From in situ crack growth tests to nanoindentation in UFG materials

Modelling and Simulation in Materials Science and Engineering

Volumn 15, Issue 1, 2007, Pages

  Vehoff, Horst ^a  

^a SAARLAND UNIVERSITY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

DISLOCATIONS (CRYSTALS); FOCUSED ION BEAMS; FUNCTIONALLY GRADED MATERIALS; GRAIN BOUNDARIES; MECHANICAL TESTING; NANOINDENTATION; SENSITIVITY ANALYSIS; EXPERIMENTS; GRAIN SIZE AND SHAPE;

ARTIFICIAL NOTCHES; NANOINDENTER; NANOTOMOGRAPHY; REPLICA TECHNIQUE;

CRACK PROPAGATION; GRAIN BOUNDARIES;

CRACK GROWTH TESTS; GRAIN SIZE; IN-SITU; INDENTATION SIZE EFFECTS; INDENTER SIZE; INTERACTION OF CRACKS; LATERAL BOUNDARY; LOAD DISPLACEMENTS; LOCAL MEASUREMENT; NANOINDENTERS; NANOTOMOGRAPHY; RATE SENSITIVITY; REPLICA TECHNIQUE; SLIP BAND; SPECIAL BOUNDARIES; STRAIN RATE SENSITIVITY; UFG MATERIALS;

EID: 34247212891     PISSN: 09650393     EISSN: 1361651X     Source Type: Journal    
DOI: 10.1088/0965-0393/15/1/S24     Document Type: Conference Paper

References (29)

1. Van Swygenhoven H, Spaczer M and Caro A 1999 Microscopic description of plasticity in computer generated metallic nanophase samples: A comparison between Cu and Ni Acta Mater. 47 3117-26
2. Devincre B, Kubin L, Lemarch C and Madec R 2001 Mesoscopic simulations of plastic deformation Mater. Sci. Eng. A 309-310 211-19
3. Fleck N A, Muller G M, Ashby M F and Hutchinson J W 1994 Strain gradient plasticity-theory and experiment Acta Metall. Mater. 42 475-87
4. Needleman A and Van der Giessen E 2001 Discrete dislocation and continuum descriptions of plastic flow Mater. Sci. Eng. A 309-310 1-13
5. Gao H, Huang Y and Nix W D 1999 Modeling plasticity at the micrometer scale Naturwissenschaften 86 507-515
6. Curtin W A, Cheng A C, O'day M P, Tay A A O and Lim K M 2006 IUTAM Symposium on Plasticity at the Micron Scale (Kgs.Lyngby Denmark, 21-25 May 2006)
7. Welsch M T, Henning M, Marx M and Vehoff H 2006 Measuring the plastic zone size by orientation gradient mapping (OGM) and electron channeling contrast imaging (ECCI) Adv. Eng. Mat. in press
8. Barnoush A and Vehoff H 2006 Electrochemical nanoindentation: A new approach to probe hydrogen/deformation interaction Scripta Mater. 55 195-8
9. Navarro A and De Los Rios E R 1988 Short and long fatigue crack-growth-a unified model Phil. Mag. A 57 15-36
10. Ochmann P and Vehoff H 1995 Experimental investigation of the fracture-toughness of NiAl bicrystals combined with computer-simulations Mat. Sci. Eng. A 193 364-70
11. Bergmann G and Vehoff H 1994 Precracking of NiAl single-crystals by compression-compression fatigue and its application to fracture-toughness testing Script. Metal. Mater. 30 969-74
12. Göken M, Thome F and Vehoff H 2002 Study of crack tip deformation in FeAl and NiAl crystals with optical interference microscopy and atomic force microscopy Phil. Mag. A 82 3241-50
13. Marx M and Vehoff H 2004 Propagation of microcracks in single crystalline nickel-based superalloys: size effects on the crack opening Mat. Sci. Eng. A 387-389 511-15
14. Marx M, Schäf W, Vehoff H and Holzapfel C 2006 Interaction of microcrack with selected interfaces: focused ion beam for systematic crack initiation Mat. Sci. Eng. A at press
15. Vehoff H and Nykyforchyn A 2003 Fatigue crack nucleation at grain boundaries-experiment and simulation Zeitschrift für Metallkunde 94 682-6
16. Tanaka K, Akinawa Y, Nakai Y and Wei R P 1986 Modeling of small fatigue crack-growth interacting with grain-boundary Eng. Fracture Mech. 24 803-19
17. Holzapfel C, Schäf W, Marx M, Vehoff H and Mücklich F 2006 Interaction of cracks with precipitates and grain boundaries: Understanding crack growth mechanisms through FIB tomography Scripta Mater. submitted
18. http://www.uni-saarland.de/fak8/wwm/publications_d.shtm
19. Durst K, Göken M and Vehoff H 2004 Finite element study for nanoindentation measurements on two-phase materials J. Mater. Res 19 85-93
20. Yang B and Vehoff H 2005 Grain size effects on the mechanical properties of nanonickel examined by nanoindentation Mat. Sci. Eng. A 400-401 467-70
21. Nix W D and Gao H J 1998 Indentation size effects in crystalline materials: A law for strain gradient plasticity J. Mech. Phys. Solids 46 411-25
22. Swadener J G, George E P and Pharr G M 2002 The correlation of the indentation size effect measured with indenters of various shapes J. Mech. Phys. Solids 50 681-94
23. Durst K, Backes B, Franke O and Göken M 2006 Indentation size effect in metallic materials: Modeling strength from pop-in to macroscopic hardness using geometrically necessary dislocations Acta Materialia 54 2547-55
24. Yang B and Vehoff H 2006 Dependence of nanohardness upon indentation size and grain size-a local examination of the interaction between dislocations and grain boundaries Acta Mater. at press
25. Dimiduk D M, Uchic M D and Parthasarathy T A 2005 Size-affected single-slip behavior of pure nickel microcrystals Acta Mater. 53 4065-77
26. Dimiduk D M, Uchic M D, Rao S I, Woodward C and Parthasarathy T A 2006 IUTAM Symposium on Plasticity at the Micron Scale (Kgs.Lyngby Denmark, 21-25 May 2006)
27. Lemaire D, Waschkies T and Vehoff H 2006 unpublished results
28. Schiotz J 2004 Atomic-scale modeling of plastic deformation of nanocrystalline copper Scripta Mat. 51 837-41
29. Dalla Torre F, Spätig P, Schäublin R and Victoria M 2005 Deformation behaviour and microstructure of nanocrystalline electrodeposited and high pressure torsioned nickel Acta Mater. 53 2337-49