A REVISED FORM FOR THE JOHNSON–COOK STRENGTH MODEL

Strength models play a key role in the numerical simulation of impact events. A revised form of the Johnson–Cook strength model is proposed in this paper. The revised model treats the sudden strengthening that many ductile metals exhibit at strain rates greater than 10 4/s. Strain rates of this magn...

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Veröffentlicht in:	International journal of impact engineering 1998-09, Vol.21 (8), p.609-624
Hauptverfasser:	RULE, WILLIAM K., Jones, S.E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Condensed matter: structure, mechanical and thermal properties Deformation and plasticity (including yield, ductility, and superplasticity) Elasticity. Plasticity Exact sciences and technology Fundamental areas of phenomenology (including applications) Inelasticity (thermoplasticity, viscoplasticity...) Mechanical and acoustical properties of condensed matter Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Mechanical properties of solids Metals. Metallurgy Physics Solid mechanics Structural and continuum mechanics Viscoelasticity, plasticity, viscoplasticity
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