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Author: G. Lütjering
Publisher: Elsevier
ISBN: 008055282X
Category : Technology & Engineering
Languages : en
Pages : 755
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Book Description
The aim of the 6th International Fatigue Congress, besides covering the entire field of fatigue, was to promote the intimate connection between basic science and engineering application by the selection of appropriate session topics.Fatigue is the main cause of failure of engineering structures and components. Making reliable fatigue predictions is highly difficult because knowledge about fatigue mechanisms in all stages of the fatigue process must be developed much further. In addition, the decreasing availability of raw materials and energy resources forces engineers to continually reduce the weight of constructions. This congress presents research results also particularly for new materials, including composites. Researchers, on the other hand, are confronted with the engineering demands. Futhermore, the overwhelming development which is presently taking place in the field of computer software and hardware dealing with fatigue problems is outlined along with the directions of future developments in all areas of fatigue.Close to 300 fully peer-reviewed papers are published in the proceedings, including nearly 30 overview and keynote papers covering the various session topics. The proceedings should therefore serve as a comprehensive review of the fatigue field at the present state-of-the-art, suitable for scientists, engineers and students.
Author: G. Lütjering
Publisher: Elsevier
ISBN: 008055282X
Category : Technology & Engineering
Languages : en
Pages : 755
Get Book Here
Book Description
The aim of the 6th International Fatigue Congress, besides covering the entire field of fatigue, was to promote the intimate connection between basic science and engineering application by the selection of appropriate session topics.Fatigue is the main cause of failure of engineering structures and components. Making reliable fatigue predictions is highly difficult because knowledge about fatigue mechanisms in all stages of the fatigue process must be developed much further. In addition, the decreasing availability of raw materials and energy resources forces engineers to continually reduce the weight of constructions. This congress presents research results also particularly for new materials, including composites. Researchers, on the other hand, are confronted with the engineering demands. Futhermore, the overwhelming development which is presently taking place in the field of computer software and hardware dealing with fatigue problems is outlined along with the directions of future developments in all areas of fatigue.Close to 300 fully peer-reviewed papers are published in the proceedings, including nearly 30 overview and keynote papers covering the various session topics. The proceedings should therefore serve as a comprehensive review of the fatigue field at the present state-of-the-art, suitable for scientists, engineers and students.
Author: Claude Bathias
Publisher: John Wiley & Sons
ISBN: 1118617223
Category : Technology & Engineering
Languages : en
Pages : 279
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Book Description
The design of mechanical structures with predictable and improved durability cannot be achieved without a thorough understanding of the mechanisms of fatigue damage and more specifically the relationships between the microstructure of materials and their fatigue properties. Written by leading researchers in the field, this book, along with the complementary books Fatigue of Materials and Structures: Fundamentals and Application to Damage and Design (both also edited by Claude Bathias and André Pineau), provides an authoritative, comprehensive and unified treatment of the mechanics and micromechanisms of fatigue in metals, polymers and composites. Each chapter is devoted to one of the major classes of materials or to different types of fatigue damage, thereby providing overall coverage of the field. This book deals with multiaxial fatigue, thermomechanical fatigue, fretting-fatigue, influence of defects on fatigue life, cumulative damage and damage tolerance, and will be an important and much used reference for students, practicing engineers and researchers studying fracture and fatigue in numerous areas of materials science and engineering, mechanical, nuclear and aerospace engineering.
Author: Médard Fogue
Publisher:
ISBN:
Category :
Languages : fr
Pages : 189
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Book Description
LA FATIGUE OCCASIONNE 90% DES RUPTURES DES PIECES EN SERVICE. LES ETATS DE CONTRAINTES SONT GENERALEMENT MULTIAXIAUX MAIS PARADOXALEMENT LES CRITERES QUI PERMETTENT DE JUGER DANS CES CAS DE LA SECURITE SONT PEU NOMBREUX ET S'AVERENT PEU SATISFAISANTS SOIT DANS LE PRINCIPE, SOIT DANS LA COMMODITE D'EXPLOITATION. LE PRESENT MEMOIRE PROPOSE UN CRITERE DE FATIGUE MULTIAXIALE BASE SUR LA MOYENNE QUADRATIQUE DES AMPLITUDES DES CONTRAINTES TANGENTIELLE ET NORMALES. CE CRITERE EST SATISFAISANT DANS SON PRINCIPE ET TOUTES LES CONSEQUENCES (DIAGRAMMES DE HAIGH EN TRACTION ET TORSION EN PARTICULIER) EN SONT TIRES. LE DOMAINE DE VALIDITE EST TEL QUE TAU ::(-1) /SIGMA ::(-1) EST COMPRIS ENTRE 0,577 ET 0,866. UN PROGRAMME GENERAL DE CALCUL A ETE DEVELOPPE. LA VALIDATION DU CRITERE EST FAITE A L'AIDE D'ESSAIS DE LA LITTERATURE SELON UNE METHODE ORIGINALE DE VALIDATION STATISTIQUE CONSISTANT A COMPARER LES DISTRIBUTIONS DE LA CONTRAINTE EQUIVALENTE ET DE LA LIMITE DE FATIGUE SIGMA ::(-1) PAR LA METHODE DE MONTE CARLO. LE CRITERE EST VALIDE POUR 70 A 80 % DES ESSAIS ETUDIES
Author: C. Amzallag
Publisher: ASTM International
ISBN: 0803119852
Category : Fracture mechanics
Languages : en
Pages : 668
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Book Description
Author:
Publisher:
ISBN:
Category : Physics
Languages : fr
Pages : 578
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Book Description
Author: COLLECTIF.
Publisher: Omniscriptum
ISBN: 9786131511806
Category :
Languages : fr
Pages : 172
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Book Description
L'ouvrage traite des critères de fatigue multiaxiaux utilisés pour but l'estimation de la durée de vie de structures industrielles soumises à différents cas de chargement, du cas le plus simple au cas le plus complexe (multiaxial d'amplitude variable). Une première partie présente une analyse des critères de fatigue multiaxiaux en contraintes issus d'une recherche bibliographique. Elle regroupe 37 critères classés en 3 familles: les critères empiriques, de type plan critique et d'approche globale. 24 critères ont été validés à l'aide d'une banque de données constituée de 233 essais de fatigue multiaxiaux issus eux aussi de la littérature. Une deuxième partie traite de la prise en compte de l'effet du gradient de contrainte dans les critères de fatigue. Basée sur une proposition existante, l'introduction de l'effet du gradient est réalisée sur deux critères. Ces critères sont validés sur des essais multiaxiaux de flexion-torsion. Une méthode est proposée pour estimer le gradient de contrainte en tout point d'une structure complexe calculée par éléments finis dans le but de pouvoir appliquer ces critères avec gradient au cas des structures industrielles.
