Solidification microstructure and residual stress correlations in direct energy deposited type 316L stainless steelCitation formats

  • External authors:
  • Da Guo
  • Mark D. Callaghan
  • Dominik Daisenberger
  • Mark Chatterton
  • Jiadong Chen
  • Andrew Wisbey

Standard

Solidification microstructure and residual stress correlations in direct energy deposited type 316L stainless steel. / Guo, Da; Yan, Kun; Callaghan, Mark D.; Daisenberger, Dominik; Chatterton, Mark; Chen, Jiadong; Wisbey, Andrew; Mirihanage, Wajira.

In: Materials & Design, 01.05.2021, p. 109782.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Vancouver

Author

Guo, Da ; Yan, Kun ; Callaghan, Mark D. ; Daisenberger, Dominik ; Chatterton, Mark ; Chen, Jiadong ; Wisbey, Andrew ; Mirihanage, Wajira. / Solidification microstructure and residual stress correlations in direct energy deposited type 316L stainless steel. In: Materials & Design. 2021 ; pp. 109782.

Bibtex

@article{da3546ecf2714952a68daa8e405f0bef,
title = "Solidification microstructure and residual stress correlations in direct energy deposited type 316L stainless steel",
abstract = "Localized fluctuation in residual stress distribution for direct energy deposited 316L stainless steel thin plate was revealed through high-energy synchrotron X-ray diffraction. The macroscopic residual stress levels are changed steadily across the article according to the characteristic cooling rates, as implied by the measured dendrite arm lengths. Localized fluctuations of residual stress in the length scale, between 500 to 600 µm, coincides well with the morphological variations of the solidification microstructure that formed during direct energy deposition. Computations indicate a greater propensity for related mesoscopic thermal gradient fluctuations along the solidification front of the moving melt pool. Novel perspectives on residual stress across multiple length-scales and its relevance to the formation of solidification microstructure in metal additive manufacturing is analysed by considering the experimental results.",
author = "Da Guo and Kun Yan and Callaghan, {Mark D.} and Dominik Daisenberger and Mark Chatterton and Jiadong Chen and Andrew Wisbey and Wajira Mirihanage",
year = "2021",
month = may,
day = "1",
doi = "10.1016/j.matdes.2021.109782",
language = "English",
pages = "109782",
journal = "Materials & Design",
issn = "0264-1275",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - Solidification microstructure and residual stress correlations in direct energy deposited type 316L stainless steel

AU - Guo, Da

AU - Yan, Kun

AU - Callaghan, Mark D.

AU - Daisenberger, Dominik

AU - Chatterton, Mark

AU - Chen, Jiadong

AU - Wisbey, Andrew

AU - Mirihanage, Wajira

PY - 2021/5/1

Y1 - 2021/5/1

N2 - Localized fluctuation in residual stress distribution for direct energy deposited 316L stainless steel thin plate was revealed through high-energy synchrotron X-ray diffraction. The macroscopic residual stress levels are changed steadily across the article according to the characteristic cooling rates, as implied by the measured dendrite arm lengths. Localized fluctuations of residual stress in the length scale, between 500 to 600 µm, coincides well with the morphological variations of the solidification microstructure that formed during direct energy deposition. Computations indicate a greater propensity for related mesoscopic thermal gradient fluctuations along the solidification front of the moving melt pool. Novel perspectives on residual stress across multiple length-scales and its relevance to the formation of solidification microstructure in metal additive manufacturing is analysed by considering the experimental results.

AB - Localized fluctuation in residual stress distribution for direct energy deposited 316L stainless steel thin plate was revealed through high-energy synchrotron X-ray diffraction. The macroscopic residual stress levels are changed steadily across the article according to the characteristic cooling rates, as implied by the measured dendrite arm lengths. Localized fluctuations of residual stress in the length scale, between 500 to 600 µm, coincides well with the morphological variations of the solidification microstructure that formed during direct energy deposition. Computations indicate a greater propensity for related mesoscopic thermal gradient fluctuations along the solidification front of the moving melt pool. Novel perspectives on residual stress across multiple length-scales and its relevance to the formation of solidification microstructure in metal additive manufacturing is analysed by considering the experimental results.

U2 - 10.1016/j.matdes.2021.109782

DO - 10.1016/j.matdes.2021.109782

M3 - Article

SP - 109782

JO - Materials & Design

JF - Materials & Design

SN - 0264-1275

ER -