This article reviews the current state of the art in understanding twinning-induced plasticity (TWIP) steels with an emphasis on linking microstructure to mechanical behavior by means of microstructure-aware constitutive models. A materials selection exercise is conducted to substantiate that TWIP steels are more desirable than most other materials for use in structural and safety components of automobiles. Gaps in the knowledge of TWIP steels that are hindering their adoption for automotive applications are identified. This review concludes by suggesting fundamental research needs for promoting the design of TWIP steels with improved properties and performance for structural components in automotive applications.
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