Damage initiation and failure mechanisms of carbon nanoparticle modified CFRP up to very high cycle fatigue-loading

2018 ◽  
pp. 585-606 ◽  
Author(s):  
J. Kosmann ◽  
C. Leopold ◽  
K. Schulte ◽  
Bodo Fiedler
Keyword(s):  
High Cycle Fatigue ◽  
Failure Mechanisms ◽  
Fatigue Loading ◽  
Cycle Fatigue ◽  
Carbon Nanoparticle ◽  
Damage Initiation ◽  
Very High Cycle Fatigue ◽  
Very High

PSBs and Non-Propagation of Small Surface and Interior Cracks in Polycrystalline Copper

2013 ◽  
Vol 592-593 ◽  
pp. 777-780 ◽  
Author(s):  
Stefanie E. Stanzl-Tschegg ◽  
Bernd M. Schönbauer
Keyword(s):  
High Cycle Fatigue ◽  
Fatigue Loading ◽  
Cycle Fatigue ◽  
Lower Stress ◽  
Small Surface ◽  
Loading Method ◽  
Very High Cycle Fatigue ◽  
Small Cracks ◽  
Number Of Cycles ◽  
Very High

PSB formation and its relevance for an eventual fatigue limit of polycrystalline electrolytic copper was studied in the very-high cycle fatigue regime with the ultrasound fatigue loading method. PSBs are formed at much lower stress/strain amplitudes than reported in earlier literature, if a high enough number of cycles is applied. Fatigue fracture takes place at approximately 50% higher amplitudes than needed for PSB formation, which is likewise in contrast to former literature results. Non-propagation of small cracks, originating from intrusions or PSB-induced non-propagating grain-boundary cracks are made responsible for this different material response.

Failure mechanisms and design of dissimilar welds of 9%Cr and CrMoV steels up to very high cycle fatigue regime

2018 ◽  
Vol 113 ◽  
pp. 367-376 ◽  
Author(s):  
Wei-Chang Zhang ◽  
Ming-Liang Zhu ◽  
Kai Wang ◽  
Fu-Zhen Xuan
Keyword(s):  
High Cycle Fatigue ◽  
Failure Mechanisms ◽  
Cycle Fatigue ◽  
Very High Cycle Fatigue ◽  
Dissimilar Welds ◽  
Very High

Very high cycle fatigue strength and failure mechanisms of welded joints

2017 ◽  
Vol 2017.70 (0) ◽  
pp. 812
Author(s):  
Chao HE ◽  
Qingyuan WANG ◽  
Qiang CHEN
Keyword(s):  
Fatigue Strength ◽  
Welded Joints ◽  
High Cycle Fatigue ◽  
Failure Mechanisms ◽  
Cycle Fatigue ◽  
Very High Cycle Fatigue ◽  
Very High

Microcrack initiation mechanism of a duplex stainless steel under very high cycle fatigue loading condition: The significance of load partitioning and micro residual stresses

2020 ◽  
Vol 199 ◽  
pp. 278-287
Author(s):  
Hongwang Fu ◽  
Benjamin Dönges ◽  
Ulrich Krupp ◽  
Ullrich Pietsch ◽  
Claus-Peter Fritzen ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Residual Stresses ◽  
Loading Condition ◽  
High Cycle Fatigue ◽  
Fatigue Loading ◽  
Cycle Fatigue ◽  
Initiation Mechanism ◽  
Very High Cycle Fatigue ◽  
Microcrack Initiation ◽  
Very High

Inclusion initiated fracture in spring steel under axial and torsion very high cycle fatigue loading at different load ratios

2020 ◽  
Vol 134 ◽  
pp. 105525 ◽  
Author(s):  
Ulrike Karr ◽  
Yusuke Sandaiji ◽  
Ryota Tanegashima ◽  
Shogo Murakami ◽  
Bernd Schönbauer ◽  
...  
Keyword(s):  
High Cycle Fatigue ◽  
Fatigue Loading ◽  
Spring Steel ◽  
Cycle Fatigue ◽  
Very High Cycle Fatigue ◽  
Very High
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