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北京航空航天大学 [4]
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Probabilistic fatigue framework of notched specimens based on modified strain energy density model under multiaxial loadings
期刊论文
Engineering Fracture Mechanics, 2022, 卷号: 266
作者:
Ran, Yong
;
Liu, Jianhui
;
Wei, Yaobing
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浏览/下载:30/0
  |  
提交时间:2022/04/21
Fatigue of materials
Hardening
Strain energy
Stress concentration
Welds
Density modeling
Energy-based models
Modified strain energy density
Multi-axial loadings
Non-proportional hardening
Notch effect and size effect
Notched specimens
Probabilistic fatigue
Sizes effect
Strain energy density
Research Progress in Shear Banding Deformation and Fracture Mechanisms of Metallic Glasses
期刊论文
ACTA METALLURGICA SINICA, 2021, 卷号: 57, 期号: 4, 页码: 453-472
作者:
Qu Ruitao
;
Wang Xiaodi
;
Wu Shaojie
;
Zhang Zhefeng
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浏览/下载:46/0
  |  
提交时间:2021/10/15
metallic glass
shear band
crack
notch
size effect
Probabilistic framework for fatigue life assessment of notched components under size effects
期刊论文
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, 2020, 卷号: 181, 页码: 12
作者:
Liao D
;
Zhu SP(朱顺鹏)
;
Keshtegar B
;
Qian GA(钱桂安)
;
Wang QY
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  |  
浏览/下载:31/0
  |  
提交时间:2020/08/26
Notch
Fatigue
Size effect
Failure probability
Life prediction
Weibull model
Notch effect on strength and fatigue life of woven composite laminates
期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2019, 卷号: 127, 页码: 275-290
作者:
Wan, Ao-Shuang
;
Xu, Yi-geng
;
Xiong, Jun-Jiang
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  |  
浏览/下载:7/0
  |  
提交时间:2019/12/30
Notch effect
Woven composite laminates
Fatigue
Block loading
Life prediction
A Method for Predicting the Effects of Specimen Geometry and Loading Condition on Fatigue Strength
期刊论文
METALS, 2018, 卷号: 8, 期号: 10, 页码: Ar-811
作者:
Sun CQ(孙成奇)
;
Song QY
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浏览/下载:46/0
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提交时间:2018/12/12
notch effect
size effect
loading condition
fatigue strength
control volume
titanium alloy
Notch Effect on the Fatigue Behavior of a TC21 Titanium Alloy in Very High Cycle Regime
期刊论文
APPLIED SCIENCES-BASEL, 2018, 卷号: 8
作者:
Nie, Baohua
;
Chen, Dongchu
;
Zhao, Zihua
;
Zhang, Jianglong
;
Meng, Yu
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浏览/下载:3/0
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提交时间:2019/12/30
very high cycle fatigue
notch effect
titanium alloy
fatigue limit
Evaluation of notch size effect on LCF life of TA19 specimens based on the stress gradient modified critical distance method
期刊论文
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2018, 卷号: 41, 页码: 1794-1809
作者:
Wang, R.
;
Liu, H.
;
Hu, D.
;
Li, D.
;
Mao, J.
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浏览/下载:3/0
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提交时间:2019/12/30
low-cycle fatigue
notch size effect
relative stress gradient
theory of critical distances
HCF strength estimation of notched Ti-6Al-4V specimens considering the critical distance size effect
期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2012, 卷号: 40, 页码: 97-104
作者:
Wang, Jingke
;
Yang, Xiaoguang
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浏览/下载:6/0
  |  
提交时间:2020/01/06
TCD
Critical distance size effect
Notch
HCF strength
Stress concentration
Adaptive Wiener filtering with Gaussian fitted point spread function in image restoration (EI CONFERENCE)
会议论文
2011 IEEE 2nd International Conference on Software Engineering and Service Science, ICSESS 2011, July 15, 2011 - July 17, 2011, Beijing, China
Yang L.
;
Zhang X.
;
Ren J.
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浏览/下载:30/0
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提交时间:2013/03/25
In the imaging process of the space remote sensing camera
there was degradation phenomenon in the acquired images. In order to reduce the image blur caused by the degradation
the remote sensing images were restored to give prominence to the characteristic objects in the images. First
the frequency-domain notch filter was adopted to remove strip noises in the images. Then using the ground characters with the knife-edge shape in the images
the point spread function of the imaging system was estimated. In order to improve the accuracy
the estimated point spread function was corrected with Gaussian fitting method. Finally
the images were restored using the adaptive Wiener filtering with the fitted point spread function. Experimental results of the real remote sensing images showed that almost all strip noises in the images were eliminated. After the denoised images were restored
its variance and its gray mean gradient increased
also its laplacian gradient increased. Restoration with Gaussian fitted point spread function is beneficial to interpreting and analyzing the remote sensing images. After restoration
the blur phenomenon of the images is reduced. The characters are highlighted
and the visual effect of the images is clearer. 2011 IEEE.
Three-dimensional elastic stress fields ahead of blunt V-notches in finite thickness plates
期刊论文
INTERNATIONAL JOURNAL OF FRACTURE, 2001, 卷号: 107, 期号: 1, 页码: 53-71
作者:
Li, ZH
;
Guo, WL
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浏览/下载:2/0
  |  
提交时间:2020/01/07
linear elastic
blunt V-notch
finite thickness plate
three-dimensional effect
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