naa a22 4500 510814794 CHVBK 20180411083501.0 cr unu---uuuuu 180411e20130701xx s 000 0 eng 10.1134/S0031918X13070132 doi (NATIONALLICENCE)springer-10.1134/S0031918X13070132 Voskoboinikov R. The Institute of Materials Engineering, Australian Nuclear Science and Technology Organisation, New Illawarra Road, 2234, Lucas Heights, NSW, Australia aut Effective γ-surfaces in {111} plane in FCC Ni and L 12 Ni3Al intermetallic compound [Elektronische Daten] [R. Voskoboinikov] The well-known concept of γ surfaces originally suggested by Prof. Vitek is extended to the case of a shift of one part of a crystal with respect to the other part in two adjacent {111} planes of a stacking fault. The proposed approach is used to construct the effective γ surfaces in the {111} plane in fcc Ni and L12 Ni3Al of intermetallic compound. It is shown that Ni3Al can have five metastable stacking faults in this plane, namely, an intrinsic superlattice stacking fault, an extrinsic superlattice stacking fault, a complex stacking fault, an antiphase boundary, and a complex extrinsic stacking fault. The existence of the latter in the {111} plane in the L12 Ni3Al intermetallic compound has not been reported previously. The shift of the crystal in two close-packed planes in fcc Ni makes it possible to avoid the formation of a high-energy stacking fault which arises when constructing an ordinary γ-surface, as well as to self-consistently include the extrinsic stacking fault into consideration. Pleiades Publishing, Ltd., 2013 γ surface nationallicence stacking fault nationallicence L 12 crystal structure nationallicence Ni3Al intermetallic compound nationallicence fcc Ni nationallicence The Physics of Metals and Metallography Springer US; http://www.springer-ny.com 114/7(2013-07-01), 545-552 0031-918X 114:7<545 2013 114 11508 https://doi.org/10.1134/S0031918X13070132 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1134/S0031918X13070132 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Voskoboinikov R. The Institute of Materials Engineering, Australian Nuclear Science and Technology Organisation, New Illawarra Road, 2234, Lucas Heights, NSW, Australia aut NATIONALLICENCE 773 0- The Physics of Metals and Metallography Springer US; http://www.springer-ny.com 114/7(2013-07-01), 545-552 0031-918X 114:7<545 2013 114 11508 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer