Two parameter description of ct-specimen with bi-material interface

• Autorzy: Seitl S.
• Konferencja: Applied Mechanics 2003, Gliwice, Polska
• Języki publikacji: EN

Abstrakty

EN

The problem of a crack approaching a bi-material interface is considered in this paper. Attention is focused on an interface between two materials with identical elastic properties but different plastic properties. A two-parameter constraint based fracture mechanics method is applied to compare three parameters characterizing the behavior cracks: crack tip opening displacement (CTOD), J-integral, and strain energy density (SED). The corresponding calculations are performed using the finite element method (ANSYS system). The results are compared with experiment.

Słowa kluczowe

EN

ct-specimen; bi-material interface; different plastic properties

• Wydawca: Wydawnictwo Katedry Mechaniki Stosowanej
• Czasopismo: Zeszyty Naukowe Katedry Mechaniki Stosowanej / Politechnika Śląska
• Rocznik: 2003
• Tom: nr 21
• Strony: 185--190
• Opis fizyczny: Bibliogr. 10 poz.

Twórcy

autor

Seitl S.

• Institute of Physics of Materials, Academy of Sciences of the Czech Republic, Brno, 601 77 Brno, Žerotínovo nám. 9 tel. [phone]

Bibliografia

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• [2] Ishikawa H., Kitagawa H., Okamura H.: J integral of a mixed mode crack and its application. Volume 3, ICM 3, Cambridge, England, August 1979., pp. 447-455.
• [3] Polak J.: Cyklicka plasticita a nizkocyklova unavova odolnost kovových materialů. ČSAV, Praha 1986.
• [4] Rice J. R.: A Path Independent Integral and Approximate Analysis of strain Concentration by Notches and Cracks. Journal Applied Mechanics, 35, 1968., pp. 379-386.
• [5] Seitl S.:Vv bi-materialového rozhrani na chovani trhliny v CT-vzorku. Soutež vedeckych a výzkumnych praci doktorandů FSI -2002, na CD, Brno 2002.
• [6] Seitl, S., Knesl, Z.: Analyza sifeni trhliny v okoli rozhrani dvou materiału zhlediska dvouparametrove lomove mechaniky. Konference s mezinarodni lićasti „Engineering Mechanics 2002", na CD, Svratka, 2002.
• [7] Sih G. S.: A special theory of crack propagation, In Mechanics of Fracture, ed. G.C. Sih, Noordhoff Intern. Publishing, Leyden 1997.
• [8] Sih G. S.: Prediction of Crack Growth Characteristics. Proceedings of an International Symposium on Absorbed Speciflc Energy and/or Strain Energy Density Criterion, Budapest, Hungary, September l7-19, 1980., pp. 3-16.
• [9] Sugimura Y., Grondin L., Suresh S.: Fatigue Crack growth at Arbitrary Angles to Bimaterial Interface. Scripta Metallurgica et Materialia, Vol. 33, No. 12, 1995., pp. 2007-2012.
• [10] Neil J. M., Rios E. R., Carson D. S.: Crack Initiation and Growth Under Asymmetric Combined Torsion/Bending- FINAL REPORT, http://www.tech.plym.ac.uk/sme/uoa30/