On the dynamic fracture of structural metals

Some fundamental aspects of dynamic crack growth in structural steels are presented and discussed. The discussion takes the form of a direct comparison of experimental results to elastic--plastic analyses, and attempts to clarify the role of material inertia and plasticity in the dynamic crack growt...

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Bibliographic Details
Published inInternational journal of fracture Vol. 27; no. 3/4; pp. 169 - 186
Main Authors ROSAKIS, A.J, ZEHNDER, A.T
Format Journal Article
LanguageEnglish
Published Heidelberg Springer 01.03.1985
Subjects
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science; rheology
Exact sciences and technology
Fractures
Materials science
Mechanical and acoustical properties of condensed matter
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals, semimetals and alloys
Metals. Metallurgy
Physics
Specific materials
Stress intensity factor
Fracture mechanics
Martensitic steel
Plasticity
Structural steel
Crack propagation
Fracture toughness
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Summary:Some fundamental aspects of dynamic crack growth in structural steels are presented and discussed. The discussion takes the form of a direct comparison of experimental results to elastic--plastic analyses, and attempts to clarify the role of material inertia and plasticity in the dynamic crack growth process. In addition, the relation of crack growth criteria to micromechanical void growth models is considered. Potential problems in the analysis of data obtained by either direct optical measurements or numerical simulations of crack growth are presented. It is demonstrated that large errors in the velocity records caused by stress wave effects are a main source of uncertainty in the interpretation of experimental results. 54 ref.--AA
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0376-9429
1573-2673
DOI:10.1007/BF00017966