Scanning Atomic-Force Microscopy on Initiation and Growth Behavior of Fatigue Slip-Bands in α-Brass

2009 ◽  
pp. 122-122-14 ◽  
Author(s):  
Y Nakai ◽  
T Kusukawa ◽  
N Hayashi
Keyword(s):  
Atomic Force Microscopy ◽  
Growth Behavior ◽  
Force Microscopy ◽  
Atomic Force ◽  
Slip Bands

scholarly journals Time- and Temperature-Dependent Growth Behavior of Ionic Liquids on Au(111) Studied by Atomic Force Microscopy in Ultrahigh Vacuum

2021 ◽  
Vol 125 (37) ◽  
pp. 20439-20449
Author(s):  
Manuel Meusel ◽  
Afra Gezmis ◽  
Simon Jaekel ◽  
Matthias Lexow ◽  
Andreas Bayer ◽  
...  
Keyword(s):  
Atomic Force Microscopy ◽  
Ionic Liquids ◽  
Ultrahigh Vacuum ◽  
Growth Behavior ◽  
Temperature Dependent ◽  
Force Microscopy ◽  
Atomic Force ◽  
Dependent Growth

scholarly journals Plastic Deformation Quantified by Atomic Force Microscopy Measurements for Duplex Stainless Steel under Monotonic and Cyclic Loading

2008 ◽  
Vol 13-14 ◽  
pp. 163-172 ◽  
Author(s):  
Ingrid Serre ◽  
Daniel Salazar ◽  
Jean Bernard Vogt
Keyword(s):  
Plastic Deformation ◽  
Atomic Force Microscopy ◽  
Stainless Steels ◽  
Monotonic Loading ◽  
Cyclic Plasticity ◽  
Force Microscopy ◽  
Atomic Force ◽  
Slip Bands ◽  
Nucleation Sites ◽  
Cyclic Plastic Deformation

By atomic force microscopy, the plastic deformation marks resulting from monotonic and cyclic plastic deformation were analysed to study the plasticity in each phase of Duplex Stainless Steels. In austenite, straight slip bands were observed after monotonic loading. These straight slip bands seem to serve as fatigue extrusion nucleation sites, which are the marks of the accommodation of the cyclic plasticity by the austenite. In ferrite, after monotonic loading, slip bands, could be classified into two different groups depending on whether they result from the bulk activities of ferrite or whether their formation is assisted by the plastic deformation of austenite. It was found that the crystallographic misorientation based on a Kurdjomov-Sachs relationship is the factor controlling one or the other type. After the first 5 loading cycles, the ferrite presents only monotonic plastic marks. This suggests no direct contribution of the ferrite to the accommodation of the cyclic plasticity.

HVEM Study of Crack Tip Dislocations in Silicon Crystals

2005 ◽  
Vol 475-479 ◽  
pp. 4043-4046 ◽  
Author(s):  
Kenji Higashida ◽  
Masaki Tanaka ◽  
Ryuta Onodera
Keyword(s):  
Electron Microscopy ◽  
Atomic Force Microscopy ◽  
Crack Tip ◽  
High Voltage Electron Microscopy ◽  
Force Microscopy ◽  
Silicon Crystals ◽  
Voltage Electron ◽  
Atomic Force ◽  
Slip Bands ◽  
Crack Tip Plasticity

The present paper describes the nature of crack tip plasticity in silicon crystals examined by high voltage electron microscopy (HVEM) and atomic force microscopy (AFM). Firstly, AFM images around a crack tip are presented, where the formation of fine slip bands with the step heights of one or two nanometers is demonstrated. Secondly, crack-tip dislocations observed by HVEM are exhibited, where it is emphasized that dislocation characterization is essential to consider the relief mechanism of crack-tip stress concentration.

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