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Digitale Medien

Rapid crack propagation and arrest in polymers (1979)

Kobayashi, A. S. ; Mall, S.

Stamford, Conn. [u.a.] : Wiley-Blackwell

Polymer Engineering and Science 19 (1979), S. 131-135

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ISSN: 0032-3888

Schlagwort(e): Chemistry ; Chemical Engineering

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Maschinenbau , Physik

Notizen: Published results on dynamic fracture toughness vs crack velocity relations of polyester resin (Homalite-100), epoxy resin Araldite-B, modified epoxy resins and polycarbonate are reviewed. Commonality between the seemingly diversified experimental results as well as the existences of minimum dynamic fracture toughness, KIm, and crack arrest stress intensity factor, KIa, as inherent material properties are discussed.

Zusätzliches Material: 9 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/pen.760190215

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Digitale Medien

Double noding technique for mixed mode crack propagation studies (1984)

Liaw, B. M. ; Kobayashi, A. S. ; Emery, A. F.

Chichester [u.a.] : Wiley-Blackwell

International Journal for Numerical Methods in Engineering 20 (1984), S. 967-977

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ISSN: 0029-5981

Schlagwort(e): Engineering ; Engineering General

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Mathematik , Technik allgemein

Notizen: A simple dynamic finite element algorithm for analysing a propagating mixed mode crack tip is presented. A double noding technique, which can be easily incorporated into existing dynamic finite element codes, is used together with a corrected Ĵ integral to extract modes I and II dynamic stress intensity factors of a propagating crack. The utility of the procedure is demonstrated by analysing test problems involving a mode I central crack propagating in a plate subjected to uniaxial tension, a stationary slanted central crack in a plate subjected to uniaxial inpact loading and an extending slanted-edge crack in plate subjected to uniaxial tension.

Zusätzliches Material: 7 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/nme.1620200512

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