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Cited by 11 publications
(7 citation statements)
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References 22 publications
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“…While the slope of this deformation profile strongly depended on the thermal loads, i.e., temperature level and temperature gradients, the critical deformation which occurs in case of failure was not affected. For lifetime prediction, the temperature determined from the conjugate heat transfer (CHT) served as input for a series of quasi-static mechanical analyses, in which a newly developed visco-plastic damage model was utilized [45,46]. During the numerical analysis of the deformation process, it was found that the damage initially spread diagonally from the cooling channel corner to the hot gas wall and eventually merged into a macroscopic failure zone.…”
Section: Thermal Barrier Coatings and Component Life Predictionmentioning
confidence: 99%
“…While the slope of this deformation profile strongly depended on the thermal loads, i.e., temperature level and temperature gradients, the critical deformation which occurs in case of failure was not affected. For lifetime prediction, the temperature determined from the conjugate heat transfer (CHT) served as input for a series of quasi-static mechanical analyses, in which a newly developed visco-plastic damage model was utilized [45,46]. During the numerical analysis of the deformation process, it was found that the damage initially spread diagonally from the cooling channel corner to the hot gas wall and eventually merged into a macroscopic failure zone.…”
Section: Thermal Barrier Coatings and Component Life Predictionmentioning
confidence: 99%
“…The design process of the fatigue experiment is explained in [6]. Table 1 shows a comparison of the load conditions of test campaigns B-K.…”
Section: Experimental Set-upmentioning
confidence: 99%
“…(a) Fatigue segment cut view (Reprinted by permission from Springer Nature[6]), cut position marked as A-A inFig. 1(b)(b) Fatigue specimen top view with flow directions and measurement positions (Reprinted by permission from Felix Hötte[9] …”
mentioning
confidence: 99%
“…3.2), in which a viscoplastic damage model (see e.g. Kowollik et al [16] and Fassin et al [10]) is utilized. The Finite Element (FE) model with corresponding boundary conditions used for the thermal and mechanical analyses is illustrated in Fig.…”
Section: Lifetime Predictionmentioning
confidence: 99%
“…To this end, a viscoplastic damage model presented in former works (see e.g. Kowollik et al [16] or Fassin et al [10]) is utilized which accounts for nonlinear kinematic and isotropic hardening, respectively. Furthermore, rate-dependence of Perzyna type and Lemaitre type ductile damage are incorporated into the model.…”
Section: Quasi-static Mechanical Analysismentioning
confidence: 99%