Defects and Fracture (eBook, PDF)

Proceedings of First International Symposium on Defects and Fracture, held at Tuczno, Poland, October 13-17, 1980
Redaktion: Sih, George C.; Zorski, H.

• Format: PDF

Produktbeschreibung

An International Symposium on Defects and Fracture was held in Tuczno, Poland, 13-17 October 1980 under the sponsorship of the Polish Academy of Sci ences and Institute of Fracture and Solid Mechanics, Lehigh University. Profes sor H. Zorski of the Academy and Professor G. C. Sih of Lehigh University were Co-Chairmen. The idea for the Symposium was initiated by the members of the Organizing Committee: G. C. Sih (Co-Chairman), H. Zorski (Co-Chairman), M. Matczynski (Secretary), D. R. Axelrad, R. Bullough, J. W. Provan and R. deWit. With the rapid development of high performance materials and their increasing use in vital structural applications, there is a need for a more in-depth under standing of the fundamentals associated with material behavior and failure. Al though this topic encompasses a wide range of disciplines, it is appropriate to narrow the discussion to material failures initiating from inherent, unavoidable defects or cracks. A balanced coverage of analysis and physics was achieved by inviting speakers with backgrounds in applied mechanics and solid state physics. The input was limited to a small group of specialists who had the opportunity to discuss not only past progress but also ideas for future research.

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Produktdetails

• Verlag: Springer Netherlands
• Seitenzahl: 276
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9789401175203
• Artikelnr.: 44060606

Inhaltsangabe

Section I Crack Initiation at Surface and Grain Boundary.- Fatigue crack initiation with creep.- Cyclic strain localization and fatigue crack initiation in persistent slip bands in face-centred cubic metals and single-phase alloys.- Defect orientation in fatigue fracture under multiaxial stress-strain conditions.- Interfacial fracture in alloy steels.- Section II Fatigue Crack Propagation.- Fatigue crack growth and macroscopic damage accumulation.- A fatigue reliability distribution based on probabilistic micromechanics.- Application of the similarity methods to the damage cumulation and fatigue crack growth studies.- Fatigue crack propagation related to a dislocation distribution.- Section III Theoretical Consideration of Defects and Cracks.- The concept of point stress.- The circular crack as a surface defect.- Forces and moments on distributed defects and cracks.- Non-local elasticity and the line crack problem.- On defects in Cosserat media.- Section IV Ductile Fracture.- Concepts of linear and nonlinear fracture mechanics.- On the mechanisms of ductile fracture of metals.- Some aspects of evaluation of defects in pressure vessels.- Section V Fracture Modeling and Testing.- A probabilistic endochronic theory of fracture.- Overall effects due to cracks and crack-like defects.- Realistic defects as sources for initiation of fracture - mechanical behaviour - available fracture criteria.- Computer simulation of fracture tests.- Section VI Deformation and Fracture.- The contribution of vacancy fluxes and dislocation motion to deformation and fracture at elevated temperatures.- Macroscopic segregation in ingots and its implications in modelling of structures made from heavy sections.- Theoretical aspects of liquid metal embrittlement.- List of Participants.