2022
DOI: 10.1038/s41524-022-00727-5
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Data-driven Bayesian model-based prediction of fatigue crack nucleation in Ni-based superalloys

Abstract: This paper develops a Bayesian inference-based probabilistic crack nucleation model for the Ni-based superalloy René 88DT under fatigue loading. A data-driven, machine learning approach is developed, identifying underlying mechanisms driving crack nucleation. An experimental set of fatigue-loaded microstructures is characterized near crack nucleation sites using scanning electron microscopy and electron backscatter diffraction images for correlating the grain morphology and crystallography to the location of c… Show more

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Cited by 21 publications
(13 citation statements)
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“…As shown in Figure , the images obtained from the scanning electron microscope and electron backscatter diffraction were analyzed to characterize the features of FCGR. [ 172 ] As shown in Figure , a pixel‐level fatigue crack prediction method with simple structure was proposed through an image database obtained from the fatigue test via the encoder–decoder network. [ 66 ]…”
Section: Progress In Prediction Approachesmentioning
confidence: 99%
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“…As shown in Figure , the images obtained from the scanning electron microscope and electron backscatter diffraction were analyzed to characterize the features of FCGR. [ 172 ] As shown in Figure , a pixel‐level fatigue crack prediction method with simple structure was proposed through an image database obtained from the fatigue test via the encoder–decoder network. [ 66 ]…”
Section: Progress In Prediction Approachesmentioning
confidence: 99%
“…[77] to characterize the features of FCGR. [172] As shown in Figure 23, a pixel-level fatigue crack prediction method with simple structure was proposed through an image database obtained from the fatigue test via the encoder-decoder network. [66] In summary, the characteristics of fatigue crack initiation and propagation are the main differences of fatigue behavior of different components.…”
Section: Characteristics Referencesmentioning
confidence: 99%
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“…Material innovation has always played an essential role in the science and technology revolution. [1][2][3] In the discovery and design of next-generation materials, artificial intelligence (AI) technology appears to be one of the most promising approaches. [4][5][6][7] Presently, AI technologies are focused on developing predictive functions through a data-driven approach.…”
Section: Introductionmentioning
confidence: 99%
“…Material innovation has played an essential role in the science and technology revolution [1,2,3]. In the discovery and design for next-generation materials, artificial intelligence (AI) technology appears to be one of the most promising approaches [4,5,6,7].…”
Section: Introductionmentioning
confidence: 99%