Abstract
A body-centered tetragonal (bet) twin martensite has been found in Co 39Ni33Al28 ferromagnetic shape memory alloy by transmission electron microscope (TEM) observation. The twin lamellae have ∑ = 25 (011̄) twin boundaries and slip system [011]//(011̄). Periodic appearance of the twin lamellae resulted in a modulated structure with a repeat periodicity of 56d011 perpendicular to the twin interface. The twinning mechanism during martensite transformation is discussed briefly. © 2007 The Japan Institute of Metals.
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Wang, H. Y., Wang, K., Liu, Z. H., Wang, Y. G., Wu, G. H., & Duan, X. F. (2007). TEM characterization of twinning in Co39Ni33Al28 alloy. Materials Transactions, 48(8), 2139–2142. https://doi.org/10.2320/matertrans.MRA2007602
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