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Fracture Mechanics of Particle Strengths

Cook, Robert F.

This chapter examines fracture mechanics of particle strengths and, in particular, provides interpretations of crack length $c$ and the strength parameter B in detailed physical terms. Fracture is viewed in terms of both energy and stress frameworks and the equivalence of these analyzed. Fracture behavior of simple Griffith cracks, crack initiation and stability of cracks at inclusions, grains, and contacts, stable precursor extension of cracks under combined loading, sub‐threshold flaws, ductile‐brittle transitions, and the effects of positive and negative variations in fracture resistance are all considered. Clear relations between particle strength and externally controlled or measured experimental variables are given.

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Fracture Mechanics of Particle Strengths

Cook, Robert F.

This chapter examines fracture mechanics of particle strengths and, in particular, provides interpretations of crack length $c$ and the strength parameter B in detailed physical terms. Fracture is viewed in terms of both energy and stress frameworks and the equivalence of these analyzed. Fracture behavior of simple Griffith cracks, crack initiation and stability of cracks at inclusions, grains, and contacts, stable precursor extension of cracks under combined loading, sub‐threshold flaws, ductile‐brittle transitions, and the effects of positive and negative variations in fracture resistance are all considered. Clear relations between particle strength and externally controlled or measured experimental variables are given.

Fracture Mechanics of Particle Strengths

Cook, Robert F.

This chapter examines fracture mechanics of particle strengths and, in particular, provides interpretations of crack length $c$ and the strength parameter B in detailed physical terms. Fracture is viewed in terms of both energy and stress frameworks and the equivalence of these analyzed. Fracture behavior of simple Griffith cracks, crack initiation and stability of cracks at inclusions, grains, and contacts, stable precursor extension of cracks under combined loading, sub‐threshold flaws, ductile‐brittle transitions, and the effects of positive and negative variations in fracture resistance are all considered. Clear relations between particle strength and externally controlled or measured experimental variables are given.

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Title:

Fracture Mechanics of Particle Strengths

Contributors:

Cook, Robert F. (author)

Published in:

Particle Strengths ; 325-368

Publication date:

2023-02-04

Size:

44 pages

ISBN:

9781119850960 , 9781119850939

DOI:

https://doi.org/10.1002/9781119850960.ch12

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Fracture mechanics , stable and unstable cracks , crack initiation and propagation , sub‐ and post‐threshold , ductile‐brittle transition , fracture resistance , toughness , stress‐intensity factor , mechanical energy release rate

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