Dislocation-induced ultra-high strength in a novel steel fabricated using laser powder-bed-fusion

In this work, a novel advanced steel (Fe–10Mn-1.6Al-0.4C-0.7V, wt.%) with excellent mechanical properties of yield strength 1076 ± 44 MPa, true ultimate tensile strength 1626 ± 58 MPa and true fracture strength 1589 ± 52 MPa is successfully fabricated by laser powder-bed-fusion (L-PBF). The contribu...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2022-01, Vol.832, p.142502, Article 142502
Hauptverfasser:	Li, Wei, Li, Jikang, Duan, Xianyin, He, Chuanyue, Wei, Qingsong, Shi, Yusheng
Format:	Artikel
Sprache:	eng
Schlagworte:	Dislocation density Dislocation strengthening Fe–10Mn-1.6Al-0.4c-0.7V advanced Steels Fracture strength High strength steels Laser powder-bed-fusion Mechanical properties Solid solutions Solution strengthening Strengthening mechanisms Ultimate tensile strength Yield strength Yield stress
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