Modeling of Material Behavior Under Elastic-Plastic Strain and Fatigue Loading Books

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Cyclic plasticity modeling and multiaxial fatigue assessment for an austenitic steel


Cyclic plasticity modeling and multiaxial fatigue assessment for an austenitic steel
  • Author : Jie Fang
  • Publisher : Herbert Utz Verlag
  • Release : 2015-07-23
  • ISBN : 9783831644841
  • Language : En, Es, Fr & De
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The present work aims at engineers and scientists in the field of computational mechanics of materials. The objective of this work is to develop a suitable constitutive law and apply it to study effects of cyclic loading and geometry on the fatigue assessment. Firstly, a systematical investigation on the mechanic behaviors of an austenitic stainless steel is carried out. Different multiaxial fatigue life prediction models are studied to assess fatigue damage. The Karim-Ohno kinematic hardening model is extended to incorporate more complex mechanical behaviors. The proposed constitutive model is implemented into FEM code ABAQUS. Finally a computational fatigue analysis methodology is proposed for performing life prediction of notched components based on elastic-plastic computation.

Monotonic and Ultra Low Cycle Fatigue Behaviour of Pipeline Steels


Monotonic and Ultra Low Cycle Fatigue Behaviour of Pipeline Steels
  • Author : António Augusto Fernandes
  • Publisher : Springer
  • Release : 2018-06-15
  • ISBN : 9783319780962
  • Language : En, Es, Fr & De
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This book covers the development of innovative computational methodologies for the simulation of steel material fracture under both monotonic and ultra-low-cycle fatigue. The main aspects are summarised as follows: i) Database of small and full-scale testing data covering the X52, X60, X65, X70 and X80 piping steel grades. Monotonic and ULCF tests of pipe components were performed (buckled and dented pipes, elbows and straight pipes). ii) New constitutive models for both monotonic and ULCF loading are proposed. Besides the Barcelona model, alternative approaches are presented such as the combined Bai-Wierzbicki-Ohata-Toyoda model. iii) Developed constitutive models are calibrated and validated using experimentally derived testing data. Guidelines for damage simulation are included. The book could be seen as a comprehensive repository of experimental results and numerical modeling on advanced methods dealing with Ultra Low Cycle Fatigue of Pipelines when subjected to high strain loading conditions.

Multiaxial Fatigue and Deformation Testing Techniques


Multiaxial Fatigue and Deformation Testing Techniques
  • Author : Sreeramesh Kalluri
  • Publisher : ASTM International
  • Release : 1997
  • ISBN : 0803120451
  • Language : En, Es, Fr & De
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Fourteen papers from the May 1995 symposium focus on the advances that new materials testing equipment and digital computers have made possible. Representative topics: testing facilities for multiaxial loading of tubular specimens, biaxial deformation experiments over multiple string regimes, charac

Solder Joint Reliability Assessment


Solder Joint Reliability Assessment
  • Author : Mohd N. Tamin
  • Publisher : Springer Science & Business
  • Release : 2014-04-26
  • ISBN : 9783319000923
  • Language : En, Es, Fr & De
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This book presents a systematic approach in performing reliability assessment of solder joints using Finite Element (FE) simulation. Essential requirements for FE modelling of an electronic package or a single reflowed solder joint subjected to reliability test conditions are elaborated. These cover assumptions considered for a simplified physical model, FE model geometry development, constitutive models for solder joints and aspects of FE model validation. Fundamentals of the mechanics of solder material are adequately reviewed in relation to FE formulations. Concept of damage is introduced along with deliberation of cohesive zone model and continuum damage model for simulation of solder/IMC interface and bulk solder joint failure, respectively. Applications of the deliberated methodology to selected problems in assessing reliability of solder joints are demonstrated. These industry-defined research-based problems include solder reflow cooling, temperature cycling and mechanical fatigue of a BGA package, JEDEC board-level drop test and mechanisms of solder joint fatigue. Emphasis is placed on accurate quantitative assessment of solder joint reliability through basic understanding of the mechanics of materials as interpreted from results of FE simulations. The FE simulation methodology is readily applicable to numerous other problems in mechanics of materials and structures.

Analysis of Engineering Structures and Material Behavior


Analysis of Engineering Structures and Material Behavior
  • Author : Josip Brnic
  • Publisher : John Wiley & Sons
  • Release : 2018-04-23
  • ISBN : 9781119329077
  • Language : En, Es, Fr & De
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Analysis of Engineering Structures and Material Behavior Professor Josip Brnic, University of Rijeka, Croatia Theoretical and experimental study of the mechanical behavior of structures under load Analysis of Engineering Structures and Material Behavior is a textbook covering introductory and advanced topics in structural analysis. It begins with an introduction to the topic, before covering fundamental concepts of stress, strain and information about mechanical testing of materials. Material behaviors, yield criteria and loads imposed on the engineering elements are also discussed. The book then moves on to cover more advanced areas including relationships between stress and strain, rheological models, creep of metallic materials and fracture mechanics. Finally, the finite element method and its applications are considered. Key features: Covers introductory and advanced topics in structural analysis, including load, stress, strain, creep, fatigue and finite element analysis of structural elements. Includes examples and considers mathematical formulations. A pedagogical approach to the topic. Analysis of Engineering Structures and Material Behavior is suitable as a textbook for structural analysis and mechanics courses in structural, civil and mechanical engineering, as well as a valuable guide for practicing engineers.