A study of compatibility between two classical fatigue curve models based on some selected structural materials

Niesłony, Adam; Kurek, Andrzej; Dsoki, Chalid el; Kaufmann, Heinz

doi:10.1016/j.ijfatigue.2011.03.002

Cited by 27 publications

(21 citation statements)

References 4 publications

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“…This is an indication that the coherence between the strain-life and stress-strain relationships is worse for aluminum alloys. The similar results are also obtained by [5]. Therefore, it is important to develop reasonable correlations between cyclic deformation properties (K' and n') and hardness or monotonic tensile properties.…”

Section: Introductionsupporting

confidence: 75%

Some useful approximations for wrought aluminum alloys based on monotonic tensile properties and hardness

Zhang

2018

Materialwissenschaft Werkst

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The objective of the present paper is to derive some useful approximations for estimating the strain-controlled fatigue properties and cyclic deformation of wrought aluminum alloys from hardness and monotonic tensile properties. A variety of relationships and correlations among monotonic tensile properties, Brinell hardness, cyclic deformation and strain-controlled fatigue properties are developed for wrought aluminum alloys. A simple method is proposed for prediction of the strainlife curve requiring only ultimate tensile strength and modulus of elasticity. Prediction capability of the proposed method is evaluated for 25 kinds of wrought aluminum alloys with ultimate tensile strength between 120 MPa and 650 MPa. The proposed method provides good approximations of the strain-life curve.

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Section: Introductionsupporting

confidence: 75%

Some useful approximations for wrought aluminum alloys based on monotonic tensile properties and hardness

Zhang

2018

Materialwissenschaft Werkst

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“…The fatigue characteristic is plotted based on the Basquin relationship which relates the stress amplitude and the number of cycles to failure:

{normalσ}_{normala} = σ'_{normalf} {(2 {normalN}_{normalf})}^{normalb}

where:…”

Section: Methodsmentioning

confidence: 99%

Evaluation of fatigue life of steel using steel grain size

Owsiński

Kamiński

Szymaniec

et al. 2015

Materialwissenschaft Werkst

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The insightful discussion of the relationship between the construction of metallographic and fatigue life and proposition of mathematical relationships describing this relationship was conducted in the paper. This paper presents a method for estimating the fatigue life, based on the construction of the microstructural material taking into account the grain size and the participation of ferrite and pearlite phase.

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“…This routine implements the regression via the common separate linear regressions of the elastic and plastic strain parts and an additional linear regression of the cyclic stress-strain curve. A second solution, using a 3D method [12] for regression, is also computed. The output file from the regressions is read back into FinLiv.xls and is processed, and a structure of sheets for a new xls file is prepared in a similar manner as for the S-N curves.…”

Section: Show Command and Regression Analysesmentioning

confidence: 99%

Building a Foundation for Benchmarks for Fatigue Prediction Methods – The FinLiv Database

Papuga

Parma

Lutovinov

et al. 2015

Procedia Engineering

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This paper presents a systematic effort to prepare base data for benchmark tests to evaluate the quality of fatigue prediction methods and solvers. The output of the work is the FinLiv database. The use of FinLiv is based on data sheets with a predefined structure, saved as *.csv files. Two applications take care of handling the data. The FinLiv.VBA application under MS Excel is focused on new data input. It allows users to categorize various aspects of fatigue tests, save them to a csv data sheet, send them to a standardized xls document, and finish the regression analysis there. The final results of the regression can be further elaborated or processed to generate inputs for various fatigue solvers. The other part of the solution is the Internet FinLiv application, which takes over the csv files and gathers them into MySQL databases. The front-end of the database is available on the www.fadoff.cz website. It allows users to look for particular types of data, and to view them or compare them. A csv file can again be generated from the database record and reused for any other goal in research or engineering analyses.

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A study of compatibility between two classical fatigue curve models based on some selected structural materials

Cited by 27 publications

References 4 publications

Some useful approximations for wrought aluminum alloys based on monotonic tensile properties and hardness

Some useful approximations for wrought aluminum alloys based on monotonic tensile properties and hardness

Evaluation of fatigue life of steel using steel grain size

Building a Foundation for Benchmarks for Fatigue Prediction Methods – The FinLiv Database

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