Non-conventional twins in five-layer modulated Ni-Mn-Ga martensite. (15th March 2019)

• Record Type: Journal Article
• Authors: Seiner, Hanuš; Chulist, Robert; Maziarz, Wojciech; Sozinov, Alexei; Heczko, Oleg; Straka, Ladislav
• Is Part Of: Scripta materialia. Number 162(2019)
• Page Start: 497
• Page End: 502
• Publication Date: 2019-03-15
• Subjects: Shape memory alloys (SMA) -- Twinning -- Scanning electron microscopy (SEM) -- Transmission electron microscopy (TEM) -- Micromechanical modeling; Materials -- Periodicals; Metallurgy -- Periodicals; Metalen; Legeringen; Materiaalkunde; Metals, metalworking and machinery industries; Metals; Electronic journals; 620.11
• DOI: 10.1016/j.scriptamat.2018.12.020
• Languages: English
• ISSNs: 1359-6462

Abstract

Abstract: We report observation of non-conventional twins (i.e. twins with neither the twinning plane being a lattice plane, nor the twinning direction being a lattice vector) in five-layer modulated martensite of the Ni-Mn-Ga ferromagnetic shape memory alloy. The twins were observed using scanning and transmission electron microscopy, and identified by calculations using the mathematical theory of martensitic microstructures. Graphical abstract: Unlabelled Image