Abstract

AbstractIn the first part of this paper, a large variety of methods for estimating cyclic material properties from quasi-static material properties were rated concerning their accuracy. For this, a massive database containing test results from quasi-static and cyclic tests has been gathered and used to compare estimated and experimental properties. In this second part of the paper, the experience of how different estimation methods work and the database itself are used to develop a new estimation method, the so-called FKM method. This new method is able to estimate cyclic material properties for steel, cast steel and wrought aluminum and thus exceeds the known estimation methods if the quality criteria from part 1 are applied.

Highlights

  • Based on the relationships determined in the previous chapter for steel, cast steel and wrought aluminum, estimates are made for cyclic properties

  • By using the database containing experiments for quasi-static and cyclic properties known from Part 1, a new estimation method, the so-called FKM method, has been derived for estimating cyclic properties for steel, cast steel and wrought aluminum

  • Comparing the calculated values of the quality criteria for the best-rated estimation methods from Part 1 to the values for the FKM method in Table 3, it can be seen that the accuracy of the estimation can be improved with the new method

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Summary

Introduction

On the estimation of cyclic material properties – Part 2: Introduction of a new estimation method This new method is able to estimate cyclic material properties for steel, cast steel and wrought aluminum and exceeds the known estimation methods if the quality criteria from part 1 are applied. Methods are available to estimate cyclic properties for steel and aluminum materials.

Results
Conclusion

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