全部文献期刊会议图书|学者科研项目
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作者:Hongyu Qi , Shaolin Li ...
来源:[J].Engineering Fracture Mechanics(IF 1.413), 2020, Vol.228
摘要:Abstract(#br)In this study, a novel life prediction model was proposed for the low-cycle fatigue life degradation induced by surface damage based on continuum damage mechanics and fracture mechanics. Compared to the traditional life prediction model, this model could predict the ...
作者:... Shaolin Li , Duoqi Shi , Hongyu Qi
来源:[J].International Journal of Mechanical Sciences(IF 1.613), 2020
摘要:Abstract(#br)Though several studies have tried to explain and model the effect of thickness on crack growth behavior, this remains a controversial topic. The present paper proposes an approach to model the fatigue crack growth with different thicknesses, which requires crack grow...
作者:... Duoqi Shi , Xiaoguang Yang , Hongyu Qi
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2019, Vol.783, pp.565-573
摘要:Abstract(#br)The microstructure evolution and creep property degradation of the Ni-based superalloy K417 were studied at different high-temperature thermal exposure conditions. The results showed that the equivalent radius of γ′ precipitates increased with the exposure time ...
作者:... Xiaoguang Yang , Duoqi Shi , Hongyu Qi
来源:[J].Surface & Coatings Technology(IF 1.941), 2019, Vol.358, pp.850-857
摘要:Abstract(#br)Thermal barrier coatings (TBCs) have complex structures and service in the extremely high temperatures. The cracking phenomenon is usually observed at both the top coat and the interface between the bond coat and the thermally grown oxide layer under the thermal cycl...
作者:... Shaolin Li , Hongyu Qi , Xiaoguang Yang
来源:[J].Ceramics International(IF 1.789), 2019, Vol.45 (15), pp.18518-18528
摘要:Abstract(#br)In this paper, we study the cracking behaviors of single-crystal nickel-based superalloy samples coated with electron-beam physical vapor deposited (EB-PVD) thermal barrier coatings (TBCs) under a thermal gradient experimentally and via the finite element method (FEM...
作者:Hongyu Qi , Yi Wang ...
来源:[J].General and Comparative Endocrinology(IF 2.823), 2018
摘要:Abstract(#br)The aim of this study was to investigate the seasonal expressions of androgen receptor (AR), estrogen receptors alpha and beta (ERα and ERβ) and aromatase cytochrome P450 (P450arom) in the epididymis of the wild ground squirrel. Histologically, the epididymis wa...
作者:... Fang Pu , Hongyu Qi , Yubo Fan
来源:[J].Acta Astronautica(IF 0.701), 2018
摘要:Abstract(#br)Long duration space flight would cause serious bone loss and bone quality deterioration. For better understanding the underlying mechanism and countermeasures, it is necessary to know the structural-mechanical relationship of the tissue. Bone is a hierarchically stru...
作者:Hongyu Qi , Shaolin Li ...
来源:[J].Surface & Coatings Technology(IF 1.941), 2019, Vol.380
摘要:Abstract(#br)In this study, we study the effects of erosion on the distribution of stress and cracking behaviors in thermal barrier coatings (TBCs) using the finite element method. The distribution of stress and failure processes of models that include effects of erosion were dif...
作者:... Xiaoguang Yang , Hongyu Qi , Duoqi Shi
来源:[J].Surface & Coatings Technology(IF 1.941), 2018, Vol.349, pp.166-176
摘要:Abstract(#br)The influence of a thermal cycle fatigue (TCF) loading waveform on cracking behaviors of an atmospheric plasma-sprayed thermal barrier coating (TBC) system was numerically studied using the commercial software. Results showed that the TCF loading waveform considerabl...
作者:Hongyu Qi , Duoqi Shi
来源:[J].International Journal of Fatigue(IF 1.976), 2019, Vol.125, pp.505-519
摘要:Abstract(#br)The fatigue crack growth (FCG) behaviour of a directional solidification nickel-based superalloy DZ125 samples (L- and T-orientated directions) were conducted at 750, 850 and 925 °C. Results showed that the FCG rate at elevated temperature increased significantl...

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