In situ TEM observations of the crack tip plastic zone evolution.

• Autorzy: Konopka K. , Zieliński W. , Wyrzykowski J.W.
• Konferencja: XVth Physical Metallurgy and Materials Science Conference on Advanced Materials & Technologies AMT'98, 17-21 May 1998, Kraków-Krynica, Poland
• Języki publikacji: EN

Abstrakty

EN

The crack propagation process and the crack tip plastic zone evolution in Al and Cu have between observed during in situ deformation in transmission electron microscope. The crack propagation process in an easy slip direction and in direction of the largest value of resolved shear stress, so called zigzag manner, were observed. The crack propagation in zigzag manner was assisted by emitting dislocations on two alternative perpendicular slip systems. The plastic zone character is related to the stacking fault energy (SFE) of metals.

Słowa kluczowe

EN

crystallography; crack; aluminium; copper; deformation; dislocation

PL

krystalografia; pęknięcie; aluminium; miedź; odkształcenie; dyslokacja

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Inżynieria Materiałowa
• Rocznik: 1998
• Tom: R. XIX, nr 3
• Strony: 506--509
• Opis fizyczny: Bibliogr. 5 poz., rys.

Twórcy

autor

Konopka K.

• Warsaw University of Technology, Faculty of Materials Science and Engineering Warsaw, Poland

autor

Zieliński W.

• Warsaw University of Technology, Faculty of Materials Science and Engineering Warsaw, Poland

autor

Wyrzykowski J.W.

• Warsaw University of Technology, Faculty of Materials Science and Engineering Warsaw, Poland

• Warsaw University of Technology, Faculty of Materials Science and Engineering,

Bibliografia

• [1] J.R. Rice, R. Thomson, Philos. Mag. 29, 73, 1974.
• [2] S.M. Ohr, Scripta Metallurgica, 20, 1501, 1986.
• [3] S.M. Ohr, Materials Science and Engineering, 72, 1-35, 1985.
• [4] S.M. Ohr, Philos. Mag. A, 57, 677, 1988.
• [5] S.M. Ohr, Scripta Metallurgica 21, 1681, 1987.