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Springer Theses

Strain Gradient Plasticity-Based Modeling of Damage and Fracture

Authors: Martínez Pañeda, Emilio

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  • Nominated as an outstanding PhD thesis by University of Oviedo, Spain
  • Is the first book to address the modeling of size effects in metal plasticity
  • Proposes a general framework for crack tip assessment accounting for the role of geometrically necessary dislocations (GNDs) in fracture and damage
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  • ISBN 978-3-319-63384-8
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About this book

This book provides a comprehensive introduction to numerical modeling of size effects in metal plasticity. The main classes of strain gradient plasticity formulations are described and efficiently implemented in the context of the finite element method. A robust numerical framework is presented and employed to investigate the role of strain gradients on structural integrity assessment. The results obtained reveal the need of incorporating the influence on geometrically necessary dislocations in the modeling of various damage mechanisms. Large gradients of plastic strain increase dislocation density, promoting strain hardening and elevating crack tip stresses. This stress elevation is quantified under both infinitesimal and finite deformation theories, rationalizing the experimental observation of cleavage fracture in the presence of significant plastic flow. Gradient-enhanced modeling of crack growth resistance, hydrogen diffusion and environmentally assisted cracking highlighted the relevance of an appropriate characterization of the mechanical response at the small scales involved in crack tip deformation. Particularly promising predictions are attained in the field of hydrogen embrittlement. The research has been conducted at the Universities of Cambridge, Oviedo, Luxembourg, and the Technical University of Denmark, in a collaborative effort to understand, model and optimize the mechanical response of engineering materials. 

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Table of contents (9 chapters)

Table of contents (9 chapters)

Buy this book

eBook $109.00
price for USA in USD
  • ISBN 978-3-319-63384-8
  • Digitally watermarked, DRM-free
  • Included format: EPUB, PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $159.99
price for USA in USD
  • ISBN 978-3-319-63383-1
  • Free shipping for individuals worldwide
  • Immediate ebook access, if available*, with your print order
  • Usually dispatched within 3 to 5 business days.
Softcover $149.99
price for USA in USD
  • ISBN 978-3-319-87541-5
  • Free shipping for individuals worldwide
  • Immediate ebook access, if available*, with your print order
  • Usually dispatched within 3 to 5 business days.
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Bibliographic Information

Bibliographic Information
Book Title
Strain Gradient Plasticity-Based Modeling of Damage and Fracture
Authors
Series Title
Springer Theses
Copyright
2018
Publisher
Springer International Publishing
Copyright Holder
Springer International Publishing AG
eBook ISBN
978-3-319-63384-8
DOI
10.1007/978-3-319-63384-8
Hardcover ISBN
978-3-319-63383-1
Softcover ISBN
978-3-319-87541-5
Series ISSN
2190-5053
Edition Number
1
Number of Pages
XVII, 159
Number of Illustrations
19 b/w illustrations, 47 illustrations in colour
Topics

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