ASTM STP 1439 Fatigue Testing and Analysis Under Variable Amplitude Loading Conditions
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McKeighan PC
This STP contains the proceedings of the Symposium on Fatigue Testing and Analysis Under Variable Amplitude Loading Conditions held in France during May, 2002. This meeting was a joint international event conducted by ASTM International Committee E08 on Fatigue and Fracture and the Fatigue Commission of French Metallurgical and Materials Society (SF2M).
While standards have been developed to characterize material responses to fatigue loading, no methods yet exist for the more complicated spectrum loading test and laboratories have consequently developed their own custom approaches. Although little standardization also exists for fatigue analyses, there are some accepted methods and techniques available for treating variable amplitude loading.
Each organization that performs this type of work tends to have customized methods to suit their needs and specific approaches. One of the primary goals of this symposium was to provide a forum to communicate amongst technical professionals involved in this type of work. Applications reported on include those focused purely on testing, fatigue design techniques and approaches as well as a combination of both.
The technical papers in this book are a peer-reviewed and approved subset of the papers presented at the symposium and are focused on fatigue testing and analysis under variable amplitude spectrum loading conditions. To aid in finding information, the papers are categorized into six sections: Fatigue Testing, Aerospace Applications, Design Approach and Modeling, Other Applications, Load Interaction, and Probabilistic and Multi-axial Approaches.
Specific topics addressed by papers in this STP include:
- variable amplitude test facility
- resonance principles.
- non-visual crack
- length calibration
- fullscale aircraft testing
- loading spectra complications
- spectrum fatigue tests
- random fatigue tests for aircraft engine fan blades
- nodular cast iron
- variable amplitude tests in a titanium alloy.
- fracture mechanics approach to notch tip plasticity effects
- stress intensity factor calculation
- fatigue life modeling and accelerated testing.
- high cycle fatigue testing
- short crack behavior as applied to low carbon steel.
- strain amplitude and loading path on duplex stainless steel.
- fuzzy probabilistic approach to aircraft components
- rain flow analysis
- multiaxial fatigue damage
This STP contains information useful to engineers, designers, and researchers working in the area of material fatigue, materials specification, testing, and materials development.