Fatigue Load Histories

Load Histories from Various F.D.E. Projects and Other Studies

• A sample Rainflow file to show the SAE format
• Johann Bauschinger (1886) Load/Deflection Histories- Original Test Data (3 examples)
  • Weld Iron Specimen 938e : Graph --- raw txt --- Plot.txt
  • Weld Iron Specimen 2867d : Graph --- raw txt --- Plot.txt
  • Weld Iron Specimen 2867a : Graph --- Graph w Zoom --- raw txt --- Plot.txt
  • Program to convert Bauschinger raw files to plotable files : umBau.f.txt
    
    
  • One of Bauschinger's test Load-Deflection histories:
    https://fde.uwaterloo.ca/FatigueClass/Videos/spec2867aTotal.gif
• The SAE Keyhole Histories & tests
• Center Notched Plate GKN_test History, Kt=2.5
  • Graph
  • Test history
  • Rainflow counted table
  • Equivalent material?
• Two Level Strain Control Axial Sample Tests: (co-ordinator J.Bonnen)
  • Overload histories used in Testing normalized Phase II shaft material.
• Biaxial Histories for FD+E Shaft tests:
  • Markov Matrix histories for FD+E Phase 1 Shaft testing
  • Log Skidder Multiaxial histories
• F.D.+E. Weld Challenge 1: "T tube" (co-ordinator T. Cordes and A.Conle )
  • (to be documented)
• F.D.+E. Weld Challenge 2: "T tube" (co-ordinator J. Bonnen
  • Load history graph
  • Load history sequence
  • Other items
• F.D.+E. Weld Challenge 3: "Exhaust System" ( co-ordinator P.Lubinsky )
  • (to be documented)
• F.D.+E. Weld Challenge 4: "Beam +" ( co-ordinator J.Bonnen )
  • (to be documented)
• F.D.+E. Weld Challenge 5: "Notched Beam" ( co-ordinator T.Cordes and D.Lingenfelser )
  • (to be documented)
• FD+E Total Life Project: (co-ordinator T.Cordes )
  • Total Life Variable Ampl. History (*.txt)
  • Total Life Variable Ampl. History Plot
  • Block Test history plot
  • Block Test history (*.txt)
  • Block Test history rainflow (*.txt)
  
  
  
• M.Luke, I.Varfolomeev, K. Luetkepohl, A. Esderts, "Fracture mechanics
  assessment of railway axles: Experimental characterization and computation,"
  Engineering Failure Analysis 17 (2010) 617-623
  
  • Plot of sub-block history
  • Test sequence of peaks (Pm = membrane stress)
  • Description of sub-blocks
  • Program to creat test sequence
  • More info.
  
  
  
• P.Heuler and T.Seeger, "Rechnerische und experimentelle Lebensdauer-
  vorhersage am Beispiel eines geschweissten Bauteils,"(Computer and experimental
  fatigue life prediction using example of a welded structural component)
  Konstruktion 35 1983 Heft 1, pp.21-26.
  
  • Plot of sub-block history
  • Zoom on Start and transition
  • Zoom 1 image __ | __ Zoom 2 image __ | __ Zoom 3 image __ | __ Zoom end of hist. image
  • Test sequence of peaks(scaled to +/-100) ( Pb = bending stress ) 4.1Mb
  • Description of sub-blocks
  • Program to creat test sequence from description
  • More info. Case study 5
  
  
  
• K.Ghahremani (PhD)
  Case Study 6 Description
  • Weld test history no. 1
  • Plot of VA1 history
  • Weld test history no. 2
  • Plot of VA2 history
  • scaleHistory.f.txt Program to scale histories to User units
  
  
  
• M. El-Zeghayar (PhD)
  
  • MEZ Log Skidder history (text)
  • MEZ Log Skidder history (image)