Guide for Fretting Fatigue Testing

10.1520/e2789 ◽  
2015 ◽  
Author(s):  
Keyword(s):  
Fatigue Testing ◽  
Fretting Fatigue

Fretting Fatigue Testing Methodology Incorporating Independent Slip and Fatigue Stress Control

2008 ◽  
pp. 391-391-13 ◽  
Author(s):  
LH Favrow ◽  
D Werner ◽  
DD Pearson ◽  
KW Brown ◽  
MJ Lutian ◽  
...  
Keyword(s):  
Fatigue Testing ◽  
Fretting Fatigue ◽  
Testing Methodology ◽  
Stress Control ◽  
Fatigue Stress

PS32 Development of Accelerated Fretting Fatigue Testing Method By Using Ultrasonic Torsional Fatigue Testing Machine

2012 ◽  
Vol 2012 (0) ◽  
pp. _PS32-1_-_PS32-3_
Author(s):  
Hiroki MASUDA ◽  
Yoshinobu SHIMAMURA ◽  
Hitoshi ISHII ◽  
Keiichiro TOHGO ◽  
Tomoyuki FUJII ◽  
...  
Keyword(s):  
Fatigue Testing ◽  
Testing Machine ◽  
Fretting Fatigue ◽  
Testing Method ◽  
Torsional Fatigue

Multiaxial fretting fatigue testing and prediction for splined couplings

2009 ◽  
Vol 31 (11-12) ◽  
pp. 1805-1815 ◽  
Author(s):  
D. Houghton ◽  
P.M. Wavish ◽  
E.J. Williams ◽  
S.B. Leen
Keyword(s):  
Fatigue Testing ◽  
Fretting Fatigue

A Modeling Approach to Predict Fretting Fatigue on Highly Loaded Blade Roots

2009 ◽  
Author(s):  
Patrick Wackers ◽  
Victor Arrieta ◽  
Marcel Alquezar-Getan ◽  
Andrei Constantinescu ◽  
Habibou Maitournam
Keyword(s):  
Prediction Models ◽  
Fatigue Testing ◽  
Testing Machine ◽  
Estimation Procedure ◽  
Fretting Fatigue ◽  
Test Machine ◽  
Operational Conditions ◽  
Number Of Cycles ◽  
Failure Location ◽  
Highly Loaded

A lifing technique for predicting fretting fatigue on highly loaded blade-disk attachments has been developed and calibrated. The approach combines extensive testing on nickel and titanium based alloys using a specially devised multiaxial fretting test machine and an analytical lifing procedure based on finite element contact calculations and multiaxial shakedown fatigue models. In order to reproduce realistic operational conditions and standardize testing conditions a special fretting fatigue testing machine with high temperature testing capabilities was developed. The machine was employed to perform systematic testing under prescribed load and displacement conditions at representative temperatures. Making use of FEA the rig test results were calculated to identify relevant parameters such as friction coefficient, slip conditions and machine compliance. The computation procedure involves the calculation of several major loading cycles until a stabilized response of the structure is achieved. The material response is assumed to be elasto-plastic and a nonlinear friction law (space and time) was applied. From the computed mechanical variables, a several life prediction models are benchmarked to establish their capabilities to predict fretting-fatigue life. Finally, a most promising life estimation procedure was applied to predict life in a real compressor blade-disk attachment. Predicted failure location and number of cycles to failure are compared against engine tests results. The experimental-analytical approach has the potential to predict fretting fatigue risk during the design phase on highly loaded joints as well as estimating the preventive overhaul intervals for parts already in service.

Fretting Fatigue Testing of Carburized Alloy Steel in Very High Cycle Regime Using an Ultrasonic Torsional Fatigue Testing Machine

2014 ◽  
Vol 891-892 ◽  
pp. 1152-1156
Author(s):  
Yoshinobu Shimamura ◽  
Akito Kokubo ◽  
Hitoshi Ishii ◽  
Keiichiro Tohgo ◽  
Tomoyuki Fujii ◽  
...  
Keyword(s):  
Fatigue Testing ◽  
Testing Machine ◽  
Fatigue Property ◽  
High Strength ◽  
Fretting Fatigue ◽  
Testing Method ◽  
Torsional Fatigue ◽  
Alloy Steels ◽  
Strength Alloy ◽  
Very High

Recently, high-strength alloy steels have been developed and used for various products. It is well known that fretting fatigue does not show fatigue limit. In other words, fretting fatigue failure may occur in very high cycle regime more than 107 cycles. However, it is difficult to investigate fretting fatigue property in very high cycle regime by using conventional fatigue testing machines because it is time-consuming. In this study, a fretting fatigue testing method for carburized alloy steels in very high cycle regime is explored by using an ultrasonic torsional fatigue testing machine. Carburized SCM420H was used for investigation. The experimental results showed that it is possible to conduct fretting fatigue testing of carburized alloy steels by using an ultrasonic torsional fatigue testing machine.

scholarly journals Some aspects of fretting fatigue under cyclic normal loading

2019 ◽  
Vol 1 (1) ◽  
Author(s):  
Farshad Abbasi ◽  
G. H. Majzoobi
Keyword(s):  
Fatigue Life ◽  
Fatigue Testing ◽  
Normal Load ◽  
Testing Machine ◽  
Low Frequency ◽  
Load Condition ◽  
Fretting Fatigue ◽  
Normal Loading ◽  
Drastic Effect ◽  
Fretting Damage

Fretting fatigue has been studied mainly under constant normal loading, as it requires simple equipment which can be assembled on a universal fatigue testing machine. Recently, we [1] have introduced an innovative fretting fatigue apparatus in which the contact pressure can independently be varied during the test. In a recent publication [2] we have investigated the effect of normal load frequency on fretting fatigue life of Al7075-T6 under cyclic normal load condition. It was found that the low frequency of normal load has drastic effect on fretting fatigue life. The effect, however, gradually diminishes with the frequency increase and vanishes at the frequency of around 80Hz. In another publication [3] we have compared the results of constant normal loading with those of in phase, 90° and 180° degrees out-of-phase loadings. It was found that the constant normal loading has the least fretting damage, while the maximum fretting damage occurs by in-phase loading. The results also showed that the out-of-phase loading had improving effect on fretting fatigue life with respect to the in-phase condition. Recently, Ciaverella [4] has published a discussion on our publications [2, 3]. He believes that some of our experimental results needs further discussion. Therefore, the objective of this article is to answer three main points he has raised in his article [4]. We hope that this discussion could lead to some progress.

scholarly journals Design of Fretting Fatigue Testing Machine

2016 ◽  
Vol V5 (05) ◽  
Author(s):  
Abhijeet T. Pokarnekar ◽  
Mr. N. L. Soni ◽  
Mr M. V. Kavade ◽  
Keyword(s):  
Fatigue Testing ◽  
Testing Machine ◽  
Fretting Fatigue
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