Energy-based characterization of the fatigue crack density evolution of asphalt binders through controlled-stress fatigue testing

2021 ◽  
Vol 300 ◽  
pp. 124275
Author(s):  
Chenguang Shi ◽  
Xing Cai ◽  
Tianling Wang ◽  
Xingyu Yi ◽  
Song Liu ◽  
...  
Keyword(s):  
Fatigue Crack ◽  
Fatigue Testing ◽  
Crack Density ◽  
Asphalt Binders ◽  
Density Evolution ◽  
Stress Fatigue

Fatigue crack density of asphalt binders under controlled-stress rotational shear load testing

2021 ◽  
Vol 272 ◽  
pp. 121899
Author(s):  
Chenguang Shi ◽  
Xing Cai ◽  
Xingyu Yi ◽  
Tianling Wang ◽  
Jun Yang
Keyword(s):  
Fatigue Crack ◽  
Crack Density ◽  
Asphalt Binders ◽  
Shear Load ◽  
Load Testing ◽  
Rotational Shear

Description of Small Fatigue Crack Propagation in ODS Steel

2014 ◽  
Vol 891-892 ◽  
pp. 911-916
Author(s):  
Pavel Hutař ◽  
Ivo Kuběna ◽  
Miroslav Šmíd ◽  
Martin Ševčík ◽  
Tomáš Kruml ◽  
...  
Keyword(s):  
Fatigue Crack ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Fatigue Testing ◽  
Low Cycle Fatigue ◽  
High Stress ◽  
Oxide Dispersion Strengthened ◽  
Ods Steel ◽  
Small Fatigue Crack ◽  
Propagation Law

The oxide dispersion strengthened (ODS) steels are widely studied as possible candidate material for fission and fusion technology. Due to application of the ODS materials, mainly low cycle fatigue is important. Therefore, small crack initiation and propagation for rather high stress amplitude are in focus. The main aim of the presented work is description of the small fatigue crack propagation for ODS-EUROFER steel. Due to limited quantity of ODS steel special miniaturized cylindrical specimens for fatigue testing were designed. Crack propagation law based on plastic part of J-integral is presented and applied for mentioned material. The resulting fatigue crack propagation rates for ODS-EUROFER steel and EUROFER 97 are compared and discussed.

Characterization of Fatigue Crack Tip Deformation.

1978 ◽  
Author(s):  
James Lankford ◽  
Davidson Jr. ◽  
David L.
Keyword(s):  
Fatigue Crack ◽  
Crack Tip
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