Fatigue Testing and Analysis by Yung-Li Lee, Jwo Pan, Richard Hathaway, Mark Barkey

By Yung-Li Lee, Jwo Pan, Richard Hathaway, Mark Barkey

Fatigue trying out and research: thought and Practice provides the newest, confirmed suggestions for fatigue facts acquisition, information research, and try out making plans and perform. extra particularly, it covers the main complete ways to trap the part load, to signify the scatter of product fatigue resistance and loading, to accomplish the fatigue harm evaluate of a product, and to strengthen an sped up lifestyles try out plan for reliability objective demonstration. This booklet is most dear for try and layout engineers within the flooring automobile industry.

Fatigue checking out and Analysis introduces the ways to account for variability of quite a bit and statistical fatigue homes which are invaluable for additional probabilistic fatigue research. The textual content accommodates and demonstrates ways that account for randomness of loading and fabrics, and covers the functions and demonstrations of either linear and double-linear harm principles. The reader will reap the benefits of summaries of load transducer designs and information acquisition thoughts, purposes of either linear and non-linear harm ideas and strategies, and methods to figure out the statistical fatigue houses for the nominal stress-life and the neighborhood strain-life methods.

  • Covers the precious suggestions for part load size and information acquisition, fatigue homes selection, fatigue research, and sped up existence try standards improvement, and, most significantly, try out plans for reliability demonstrations
  • Written from a realistic standpoint, according to the authors' commercial and educational adventure in automobile engineering design
  • Extensive sensible examples are used to demonstrate the most ideas in all chapters

Show description

Read or Download Fatigue Testing and Analysis PDF

Similar mechanics books

Engineering Mechanics of Solids

This e-book provides a entire, cross-referenced exam of engineering mechanics of solids. conventional issues are supplemented via numerous newly-emerging disciplines, akin to the probabilistic foundation for structural research, and matrix equipment. even if maintaining its personality as a whole conventional booklet on mechanics of solids with complicated overtones from the 1st version, the second one version of Engineering Mechanics of Solids has been considerably revised.

Perfect/Complete Scattering Experiments: Probing Quantum Mechanics on Atomic and Molecular Collisions and Coincidences

The most target of this publication is to clarify what sort of scan needs to be played so as to be certain the total set of self reliant parameters which might be extracted and calculated from idea, the place electrons, photons, atoms, ions, molecules, or molecular ions may possibly function the interacting components of subject.

New Results in Numerical and Experimental Fluid Mechanics X: Contributions to the 19th STAB/DGLR Symposium Munich, Germany, 2014

This publication offers contributions to the nineteenth biannual symposium of the German Aerospace Aerodynamics organization (STAB) and the German Society for Aeronautics and Astronautics (DGLR). the person chapters replicate ongoing examine carried out through the STAB contributors within the box of numerical and experimental fluid mechanics and aerodynamics, more often than not for (but now not restricted to) aerospace purposes, and canopy either nationally and EC-funded tasks.

Additional info for Fatigue Testing and Analysis

Example text

2 POTENTIAL SOURCES OF ERROR IN MATRIX TECHNIQUES Many experimental and analytical techniques have inherent errors; the matrix techniques are no exception. Knowing the potential source of errors is paramount to understanding the quality of the obtained data. The sources of error in the matrix methods include the following: (1) assumption of a linear elastic relationship between strains and loads, (2) statistically based formula dependent on the calibrated sample size, (3) a calibration loading frequency that is different from that of the measured system, and (4) a calibrated Transducer Placement and Identification of Regions of Interest 29 boundary condition different from the actual boundary conditions that exist in the real application.

Otherwise, there are many possible input frequencies (the aliases), all of which can produce the same data points. The anti-aliasing filters theoretically should remove all but the wanted input frequencies. Aliasing error results when the digitizing sampling rate is too low. As the input signal frequency nears the digitizing frequency, some components of the signal can be lost. 47). Because the data is no longer uniquely related to the analog signal, a unique reconstruction is impossible. 48 shows an example of an aliasing error in the time domain.

The output of the sample-and-hold is allowed to change only at periodic intervals and maintain the instantaneous value at which the input signal was sampled. Changes in the input signal that occur between these sampling times are ignored. 45. 46). Selection of the proper A–D converter aids in data resolution. An 8-bit converter has 28 bits of resolution, or 255 amplitude levels. A 12-bit converter has 212 bits of resolution, or 4095 amplitude levels. A 16-bit converter has 216 bits of resolution, or 65,535 amplitude levels.

Download PDF sample

Rated 4.47 of 5 – based on 47 votes