Stress corrosion cracking of twinning induced plasticity (TWIP) steel

TL;DRAbstract

Metals and alloys with low stacking fault energy (SFE) undergo twinning within their grains. Twinning Induced Plasticity (TWIP) steels possess an exceptional combination of tensile strength and ductility, and therefore, they offer enormous potential in applications where impact resistance is critically important, such as the critical components of automotives that experience sudden impact in accidents. Because of their high toughness as well as manganese as the major alloying element (instead of Ni that is the major alloying element in common austenitic stainless steels), the TWIP steels are also a less expensive alternative for the toughness aspect of the common Cr-Ni austenitic stainless steels. However, alloys with attractive mechanical properties when exposed to corrosive environment must also possess the desired resistance to environment assisted cracking (EAC) that can be caused as a result of the synergistic action of tensile stress and corrosion, e.g., stress corrosion cracking

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