2008
DOI: 10.1016/j.ijfatigue.2007.01.043
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Modelling of the deformation process under thermo-mechanical fatigue conditions

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Cited by 26 publications
(18 citation statements)
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“…Similarly, numerous constitutive models that can explicitly account for temperature and strain-rate -or equivalently, plastic shear rate -effects exist (Beyerlein and Tomé, 2008;Khan and Baig, 2011;Khan and Liang, 1999;Sung et al, 2010;Uenishi and Teodosiu, 2004;Voyiadjis and Abed, 2005b;Zerilli and Armstrong, 1987) but they are generally restricted by their applicability and capability to be extended to materials other than the subject material therein. Although preliminary efforts have shown promise (Okrajni et al, 2008), further progress in the development of constitutive models that can account for thermo-mechanical loads also still faces challenges (Aktaa and Petersen, 2009). Therefore, there is an ever-increasing need for generalized analytical frameworks based on sound underlying mechanics that can link all the relevant parameters of importance with minimal fitting parameters.…”
Section: Introductionmentioning
confidence: 99%
“…Similarly, numerous constitutive models that can explicitly account for temperature and strain-rate -or equivalently, plastic shear rate -effects exist (Beyerlein and Tomé, 2008;Khan and Baig, 2011;Khan and Liang, 1999;Sung et al, 2010;Uenishi and Teodosiu, 2004;Voyiadjis and Abed, 2005b;Zerilli and Armstrong, 1987) but they are generally restricted by their applicability and capability to be extended to materials other than the subject material therein. Although preliminary efforts have shown promise (Okrajni et al, 2008), further progress in the development of constitutive models that can account for thermo-mechanical loads also still faces challenges (Aktaa and Petersen, 2009). Therefore, there is an ever-increasing need for generalized analytical frameworks based on sound underlying mechanics that can link all the relevant parameters of importance with minimal fitting parameters.…”
Section: Introductionmentioning
confidence: 99%
“…T k [4,15] E [18] Q ∞ [15] b [15] A [15] n [15] C 1 [4,15] γ 1 [4,15] C 2 [4,15] γ 2 [4,15] B ˚C 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 …”
Section: Discussionunclassified
“…Work carried out in [3] has recognised that repeated start and stop operations lead to creep-fatigue loading on power plant components. In [4], thermo-mechanical modelling of P91steel in complex power plant geometries, including 2 effects of varying thermal and mechanical loads representative of plant start-up was carried out using an elastic-plastic material model (without strain-rate effects). In [5], [6], [7] the inservice life of 2 1 / 4 Cr-1Mo steel power plant components has been investigated, based on a linear elastic finite-element analysis, which is expected to underestimate the component lifetime.…”
Section: Introductionmentioning
confidence: 99%
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“…Przyjęto również stały współczynnik przejmowania ciepła na podstawie norm projektowania naczyń ciśnieniowych [6]. W dalszej kolejności należy wziąć pod uwagę eksperymentalnie wyznaczone właści-wości zmęczeniowe rozpatrywanego materiału, a w szczególności wpływ temperatury na przebieg cyklicznych procesów odkształcania i trwałość w warunkach zmęczenia cieplno-mechanicznego [7][8][9][10][11]. Należy również rozpatrzeć wpływ zmienności współczynnika przejmowania ciepła w zależności od parametrów pary i czasu na rozkłady temperatury w rozpatrywanych elementach [4,5].…”
Section: Podsumowanieunclassified