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基于离散位错动力学的疲劳裂纹扩展研究
学位论文
北京: 中国科学院大学, 2024
作者:
袁力超
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提交时间:2024/06/05
离散位错动力学,快速多极子算法,疲劳裂纹扩展,Paris公式,高温环境
Fatigue life prediction for LPBF-fabricated Ti-6Al-4V up to very-high-cycle regime based on continuum damage mechanics incorporating effect of defects
期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2024, 卷号: 181, 页码: 13
作者:
Ling, Chao
;
Jia, Yinfeng
;
Fu, Rui
;
Zheng, Liang
;
Zhong, Zheng
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浏览/下载:2/0
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提交时间:2024/03/11
Fatigue life prediction
LPBF-fabricated Ti-6Al-4V
Continuum damage mechanics
Defect
Very-high-cycle fatigue
Modelling micropit formation in rolling contact fatigue of bearings with a crystal plasticity damage theory coupled with cohesive finite elements
期刊论文
ENGINEERING FRACTURE MECHANICS, 2024, 卷号: 297, 页码: 16
作者:
Han, Xinqi
;
Li, Shuxin
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浏览/下载:21/0
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提交时间:2024/04/02
Micropit formation
Rolling contact fatigue
Transgranular crack growth
Crystal plasticity model
Microstructure features induced by fatigue crack initiation up to very-high-cycle regime for an additively manufactured aluminium alloy
期刊论文
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, 2024, 卷号: 173, 页码: 247-260
作者:
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浏览/下载:9/0
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提交时间:2023/11/06
Aluminium alloy
Additive manufacturing
Nanograins
Very-high-cycle fatigue (VHCF)
Crack initiation
Mean stress
Crack initiation induced nanograins and facets of a titanium alloy with lamellar and equiaxed microstructure in very-high-cycle fatigue
期刊论文
MATERIALS LETTERS, 2024, 卷号: 357, 页码: 5
作者:
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提交时间:2024/02/19
Titanium alloy
Crack initiation
Facet
Nanograin
Fatigue
Microstructure
Mechanism of crack evolution and strength failure in chemo-mechanical induced fracture
期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2024, 卷号: 183, 页码: 14
作者:
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浏览/下载:3/0
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提交时间:2024/02/26
chemo-mechanical coupling
fracture
corrosion
crack tip
energy evolution
Multi-scale fatigue failure features of titanium alloys with equiaxed or bimodal microstructures from low-cycle to very-high-cycle loading numbers
期刊论文
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2024, 卷号: 890, 页码: 13
作者:
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浏览/下载:20/0
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提交时间:2024/01/08
Titanium alloy
Very-high-cycle fatigue
Crack initiation
Crack growth threshold
Facet
Equiaxed or bimodal microstructure
Laser powder bed fused 304L steel shot-peened with various ceramic shot sizes: Surface/subsurface characteristics, tensile behavior, and fatigue behavior
期刊论文
INTERNATIONAL JOURNAL OF PLASTICITY, 2023, 卷号: 171, 页码: 21
作者:
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浏览/下载:6/0
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提交时间:2024/01/01
Laser powder bed fusion
Shot peening
Shot size
Microstructural evolution
Strengthening mechanism
Microstructural insights into fatigue short crack propagation resistance and rate fluctuation in a Ni-based superalloy manufactured by laser powder bed fusion
期刊论文
INTERNATIONAL JOURNAL OF PLASTICITY, 2023, 卷号: 171, 页码: 15
作者:
Li, Jianghua
;
Huang, Qinghui
;
Wang, Zhiyang
;
Zhang, Ningyu
;
Chen, Gang
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浏览/下载:4/0
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提交时间:2024/01/02
Ni -based superalloy
Fatigue short cracks
Microstructure
Propagation model
High-temperature fatigue behavior of TC17 titanium alloy and influence of surface oxidation
期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2023, 卷号: 176, 页码: 107896
作者:
Li G(李根)
;
Guo YY(郭艺云)
;
Rui SS(芮少石)
;
Sun CQ(孙成奇)
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浏览/下载:8/0
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提交时间:2023/09/26
TC17 titanium alloy
Low and high cycle fatigue
Failure mechanism
High temperature
Surface oxidation
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