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Application of Fracture Mechanics to Materials and Structures - George C. Sih

Application of Fracture Mechanics to Materials and Structures

By: George C. Sih (Editor), E. Sommer (Adapted By), R. N. Dahl (Adapted By)

Hardcover Published: 21st October 2010
ISBN: 9789024729586
Number Of Pages: 1117

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An International Conference on the Application of Fracture Mechanics to Ma- terials and Structures was held at the Hotel Kolpinghaus in Freiburg, West Ger- many, June 20-24, 1983. It was attended by more than 250 participants from different countries which include Austria, Canada, Czechoslovakia, Democratic Republic of Germany, Denmark, Federal Republic of Germany, Finland, France, Greece, Hungary, Israel, Italy, Japan, Netherlands, Norway, People's Republic of China, Portugal, Sweden, Switzerland, United Kingdom, United States of America, USSR and Yugoslavia. Conference Co-Chairmen were Professor G. C. Sih, Lehigh University, Bethle- hem, Pennsylvania, U. S. A. , Dr. E. Sommer, Fraunhofer-Institut fur Werkstoff- mechanik, Freiburg, FRG and Professor W. Dahl, Rheinisch-Westfalische Technische Hochschule, Aachen, FRG. Dr. Wenrich, as the representative of the Land Baden-WUrttemberg, delivered the opening address with the remarks that International Conferences can serve the means to further enhance the technology development of a country. He empha- sized that the Federal Republic of Germany is presently in need of strengthening the engineering manpower in order to keep her in a competitive position. The Conference was officially cast off with the leading plenary lectures that under- lined the theme of the technical lectures for the first day. This pattern was observed for the five-day meeting. The interplay between material and design re- quirements was the theme and emphasized in many of the technical presentations that amounted to approximately ninety (90) papers.

`...an important addition to the growing body of literature on fracture.' Materials Science and Engineering, 74 (1985)

Plenary Lectures.- Microstructural aspects of the resistance to crack extension of engineering alloys.- Numerical analysis in fracture mechanics.- Macro- and micromechanics of fatigue crack initiation and propagation under constant and variable amplitude loading.- The strength calculation on the basis of nonlinear fracture mechanics.- Time effects and their influences on test procedures for measuring dynamic material strength values.- Nonlinear and dynamic fracture of cracked structures under electromagnetic force.- Residual stresses.- Effect of environments on fracture of materials and structures.- Fracture mechanics in structure design.- Section I Crack Initiation and Growth.- Continuum aspects of crack initiation.- Effect of loading history on crack growth.- Conditions for hydrostatic rupture in the vicinity of cracks or notches.- The step before the application of fracture mechanics to fatigue.- Size effects in solid mechanics due to topology transformation during crack growth.- Ductile fracture propagation studies by a kinematic approach.- Section II Mixed Mode Fracture and Multiaxial Stress State.- Examination of brittle fracture criteria for overlapping Mode I and Mode II loading applied to cracks.- Safe-life analysis of structures subjected to general in-plane loadings.- Mode II fracture toughness testing with application to PMMA.- The influence of multiaxial stress states on characteristic parameters for cleavage fracture in the elastic-plastic range.- Section III Material Characterization and Testing.- Comparison of J-integral estimating methods and techniques.- The strain hardening of structural steels with different yield strengths and its influence on the materials properties during plastic deformation.- The application of a direct approach in the study of the initiation mechanisms of cleavage fracture in a 26 Cr - 1 Mo ferritic stainless Steel.- On the influence of specimen orientation on the ductile fracture behaviour of the steel FeE 350.- Failure assessment diagrams and J estimates: validation for an austenitic steel.- Perspective on J-T plots.- Recategorisation of embedded defects as a single embedded or surface defect.- Section IV Dynamic Fracture.- Towards the development of a dynamic fracture initiation test.- Dynamic analysis of impact test specimens.- Failure behaviour of an aluminium plate under impact loading.- An application of fracture mechanics to presplitting blasting.- The development of a crack arrest test specimen with reduced dynamic effects.- Section V Analytical Analysis.- Theoretical scatter in brittle fracture toughness results described by the Weibull distribution.- On the tension of a cylindrical bar having an infinite row of circumferential cracks.- On the relationship between the geometry of deformed crack tip and crack parameters.- Study on the methods and possibilities of probabilistic fracture mechanics based on data for the steel containment of a nuclear power Plant.- Assessment of the reliability of the steel containment of a PWR by probabilistic fracture mechanics: distributions of material properties and defect dimensions.- Description of the plane crack in terms of local fields versus path-independent integrals.- Section VI Finite Element and Numerical Analysis.- Optimization of finite-element-algorithms for problems of fracture mechanics.- Comparative study on three-dimensional crack tip modeling methodology.- Hybrid crack tip elements for three dimensional fracture problems.- Fracture prediction in elastic-plastic problems using finite element method.- Elastic plastic finite element analysis of a pipe containing a through wall circumferential crack under bending loading.- Three-dimensional fracture analysis by quadratic isoparametric finite elements.- On the numerical evaluation of J in three dimensions.- Numerical simulation of post-yield fracture experiments.- New formulations in numerical fracture mechanics.- Section VII Experimental Methods.- Patterns of U and V displacements around cracks in aluminum by Moire interferometry.- Stress intensity factor distributions by optical methods.- Convergence - aspects of K-determination procedures.- Detection of defects in an austenitic strain-hardened steel using acoustic emission analysis.- Section VIII Fatigue.- Fatigue life assessment in welded rectangular hollow sections using fracture mechanics.- A local inelastic strain-stress analysis of fatigue crack growth.- A contribution to the evaluation of sequence effects under variable amplitude loading by applying defined predeformations.- Variable amplitude fatigue damage analyses: postulate and critical experiments.- Spectrum loading effects on crack growth in major components of commercial transport aircraft.- Ferrite selection ratio of fatigue crack path in dual phase steel.- The behaviour of fatigue cracks in shot-peened components.- Stress intensity factors for surface cracks under thermal fatigue conditions.- An elastic-plastic fracture mechanics approach to notch sensitivity in low-cycle fatigue.- Section IX Environmental Effects.- Moisture and temperature effects on the transient stresses around crack-like defects.- Effects of residual stresses on the fatigue of aluminum alloy 7017 in moist air.- The improvement of fatigue strength of steel by thermomechanical surface treatment.- Stress corrosion cracking behavior in gaseous oxygen of a U-7.5 Nb-2.5 Zr alloy.- Effect of corrosive environment on the fatigue life of cyclic loaded specimen and structures.- Micromechanism of environmental fatigue crack growth in A533B steel.- The effect of temperature, orientation and constraint on the toughness of A533B class I steel.- Section X Structural and Component Design.- Surface cracks in welds of 7020 T6 aluminium alloy.- The comparative analysis of crack propagation in the gear tooth.- Fracture resistance of fatigue cracked welded details.- Leak areas in cracked pipes.- Influence of cracks on structural design criteria.- Creep crack growth on actual and simulated heat affected zones of CrMoV steampipe welds.- Effects of residual stress on fatigue crack propagation properties of rail heads.- Section XI Non-Metallic Materials.- Role of cracks during the annealing of residually stressed brittle structural ceramics.- Crack resistance curves of an alumina material at elevated temperatures.- Fracture of ice under compression with constant speed.- On penny-shaped crack at an ice-substrate interface.- A simple method for the experimental K-value evaluation of the cracked body using brittle fracture characteristic of epoxy resin.- List of Participants.

ISBN: 9789024729586
ISBN-10: 9024729580
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 1117
Published: 21st October 2010
Country of Publication: NL
Dimensions (cm): 23.39 x 15.6  x 5.87
Weight (kg): 1.77