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Deformation twinning-induced dynamic recrystallization during laser powder bed fusion

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Deformation twinning-induced dynamic recrystallization during laser powder bed fusion. / Sabzi, H.E.; Li, X.-H.; Zhang, C. et al.
In: Scripta Materialia, Vol. 207, 114307, 15.01.2022.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Sabzi, HE, Li, X-H, Zhang, C, Fu, H, San-Martín, D & Rivera-Díaz-del-Castillo, PEJ 2022, 'Deformation twinning-induced dynamic recrystallization during laser powder bed fusion', Scripta Materialia, vol. 207, 114307. https://doi.org/10.1016/j.scriptamat.2021.114307

APA

Sabzi, H. E., Li, X-H., Zhang, C., Fu, H., San-Martín, D., & Rivera-Díaz-del-Castillo, P. E. J. (2022). Deformation twinning-induced dynamic recrystallization during laser powder bed fusion. Scripta Materialia, 207, Article 114307. https://doi.org/10.1016/j.scriptamat.2021.114307

Vancouver

Sabzi HE, Li X-H, Zhang C, Fu H, San-Martín D, Rivera-Díaz-del-Castillo PEJ. Deformation twinning-induced dynamic recrystallization during laser powder bed fusion. Scripta Materialia. 2022 Jan 15;207:114307. Epub 2021 Oct 1. doi: 10.1016/j.scriptamat.2021.114307

Author

Sabzi, H.E. ; Li, X.-H. ; Zhang, C. et al. / Deformation twinning-induced dynamic recrystallization during laser powder bed fusion. In: Scripta Materialia. 2022 ; Vol. 207.

Bibtex

@article{7a26235089ae4876b7b29f548eb945d2,
title = "Deformation twinning-induced dynamic recrystallization during laser powder bed fusion",
abstract = "Nanotwin formation is observed during laser powder bed fusion (LPBF) of austenitic stainless steels fabricated with various process parameters. Transmission electron microscopy was employed to reveal the nature of such twins, which are formed due to the high strain rapid solidification inherent to LPBF. Dynamic recrystallization (DRX) was also activated during LPBF, and induced by the deformation nanotwins. A thermostatistical model is proposed to determine the critical conditions for twinning-induced DRX; the model is validated with the reported experimental results. This modelling approach offers a method to microstructurally engineer austenitic stainless steels for potential applications needing high strength and ductility.",
keywords = "Laser powder bed fusion, Austenitic stainless steel, Transmission electron microscopy, Twinning, Dynamic recrystallization",
author = "H.E. Sabzi and X.-H. Li and C. Zhang and H. Fu and D. San-Mart{\'i}n and P.E.J. Rivera-D{\'i}az-del-Castillo",
year = "2022",
month = jan,
day = "15",
doi = "10.1016/j.scriptamat.2021.114307",
language = "English",
volume = "207",
journal = "Scripta Materialia",
issn = "1359-6462",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Deformation twinning-induced dynamic recrystallization during laser powder bed fusion

AU - Sabzi, H.E.

AU - Li, X.-H.

AU - Zhang, C.

AU - Fu, H.

AU - San-Martín, D.

AU - Rivera-Díaz-del-Castillo, P.E.J.

PY - 2022/1/15

Y1 - 2022/1/15

N2 - Nanotwin formation is observed during laser powder bed fusion (LPBF) of austenitic stainless steels fabricated with various process parameters. Transmission electron microscopy was employed to reveal the nature of such twins, which are formed due to the high strain rapid solidification inherent to LPBF. Dynamic recrystallization (DRX) was also activated during LPBF, and induced by the deformation nanotwins. A thermostatistical model is proposed to determine the critical conditions for twinning-induced DRX; the model is validated with the reported experimental results. This modelling approach offers a method to microstructurally engineer austenitic stainless steels for potential applications needing high strength and ductility.

AB - Nanotwin formation is observed during laser powder bed fusion (LPBF) of austenitic stainless steels fabricated with various process parameters. Transmission electron microscopy was employed to reveal the nature of such twins, which are formed due to the high strain rapid solidification inherent to LPBF. Dynamic recrystallization (DRX) was also activated during LPBF, and induced by the deformation nanotwins. A thermostatistical model is proposed to determine the critical conditions for twinning-induced DRX; the model is validated with the reported experimental results. This modelling approach offers a method to microstructurally engineer austenitic stainless steels for potential applications needing high strength and ductility.

KW - Laser powder bed fusion

KW - Austenitic stainless steel

KW - Transmission electron microscopy

KW - Twinning

KW - Dynamic recrystallization

U2 - 10.1016/j.scriptamat.2021.114307

DO - 10.1016/j.scriptamat.2021.114307

M3 - Journal article

VL - 207

JO - Scripta Materialia

JF - Scripta Materialia

SN - 1359-6462

M1 - 114307

ER -