Key Features:

• The Mechanism of Twinning: The twinning of deformation is defined as the one way that atoms in a specific region of a metal shift between themselves to create, or develop a mirror-like twin structure within the crystal lattice. Not the same as dislocation slip, the main deformation mode in most metals, twinning is found at high strain rates or at low temperatures.
• Impact on the Material Properties: Increased material strength and toughness can result from twinning, especially for hexagonal close-packed (HCP) metals, such as titanium, magnesium, and certain steels.It also increases formability in some alloys.
• Industrial Applications: Deformation twinning is critical to the materials used for aerospace, automotive, and structures as it provides strength and resistance to deformation for these materials.

​The importance of deformation twinning is that it will improve the performance of materials under extreme conditions. In aerospace engineering, it is an important factor keeping the structural integrity of a titanium alloy under high stress. Similar importance can be associated with high-manganese steels because of the combination of strength and ductility attained by deformation twinning for the reason that such steels can be used in crash-resistant automotive structures. Work continues on developing further knowledge about advanced alloys and deformation mechanisms and will continue to refine twinning behavior, which will ensure that twinning maintains its relevance for high-performance engineering applications​