scholarly journals Fatigue Testing Equipment and Fatigue Property of a High Strength Steel in Petrol Environment

2021 ◽  
Vol 70 (12) ◽  
pp. 905-911
Author(s):  
Yuuki KASAMUTA ◽  
Masaki WATANABE ◽  
Taiki SUGIMOTO ◽  
Yuuya KIMURA ◽  
Fumio OGAWA ◽  
...  
Keyword(s):  
High Strength Steel ◽  
Fatigue Testing ◽  
Fatigue Property ◽  
High Strength ◽  
Testing Equipment

scholarly journals Low-cycle fatigue behaviour of laser welded high-strength steel DOMEX 700 MC

2018 ◽  
Vol 157 ◽  
pp. 05013 ◽  
Author(s):  
Peter Kopas ◽  
Milan Sága ◽  
František Nový ◽  
Bohuš Leitner
Keyword(s):  
Fatigue Life ◽  
Welded Joints ◽  
High Strength Steel ◽  
Fatigue Testing ◽  
Low Cycle Fatigue ◽  
High Strength ◽  
Fatigue Behaviour ◽  
Total Strain Amplitude ◽  
Cycle Fatigue ◽  
Fatigue Life Analysis

The article presents the results of research on low cycle fatigue strength of laser welded joints vs. non-welded material of high-strength steel DOMEX 700 MC. The tests were performed under load controlled using the total strain amplitude ɛac. The operating principle of the special electro-mechanic fatigue testing equipment with a suitable clamping system was working on 35 Hz frequency. Fatigue life analysis was conducted based on the Manson-Coffin-Basquin equation, which made it possible to determine fatigue parameters. Studies have shown differences in the fatigue life of original specimens and laser welded joints analysed, where laser welded joints showed lower fatigue resistance. In this article a numerical analysis of stresses generated in bending fatigue specimens has been performed employing the commercially available FEM-program ADINA.

421 Giga Cycle Fatigue Property of High Strength Steel

2005 ◽  
Vol 2005.54 (0) ◽  
pp. 123-124
Author(s):  
Yasuki KUDO ◽  
Hitoshi ISHII ◽  
Keiichiro TOHGO ◽  
Hiroyasu ARAKI
Keyword(s):  
High Strength Steel ◽  
Fatigue Property ◽  
High Strength ◽  
Cycle Fatigue

Fatigue Testing of Shrink-Fit Couplings for Joining High Strength Steel Riser Pipe

2013 ◽  
Author(s):  
John Shield ◽  
Jonathan Bowman ◽  
John Wightman ◽  
James Pappas
Keyword(s):  
High Strength Steel ◽  
Fatigue Testing ◽  
High Strength ◽  
Riser Pipe ◽  
Shrink Fit

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.

A Study on Very High Cycle Fatigue Property of High Strength Steel for Particular Use as Medical Tablets Compressing Punches

2015 ◽  
Vol 664 ◽  
pp. 221-230 ◽  
Author(s):  
Tatsuo Sakai ◽  
Akio Kokubu ◽  
Shoichi Kikuchi ◽  
Hiroshi Tanaka ◽  
Fumiharu Ikai ◽  
...  
Keyword(s):  
High Strength Steel ◽  
High Cycle Fatigue ◽  
Low Cost ◽  
Fatigue Property ◽  
High Strength ◽  
Fatigue Tests ◽  
Cycle Fatigue ◽  
Very High Frequency ◽  
Very High Cycle Fatigue ◽  
Very High

In the fabrication process of medicine tablets, working speed of the tablet compressing is an important factor to realize the high fabricating efficiency together with the low cost. Thus, a number of loadings would be applied with very high frequency to tips of a couple of compressing punches. Sometimes, the tablet compressing speed exceeds 150 tablets per second. Due to such a circumstance, the very high cycle loadings are applied to the tips of the compressing punches making medicine tablets. The high strength steel of KNS-ES was specially designed and fabricated for the particular use as the compressing punches. In this study, very high cycle fatigue tests were performed in the loading type of rotating bending in order to obtain the fundamental S-N property of this steel. Based on experimental results, the S-N property in giga-cycle regime was discussed including the effect of the residual stress on the S-N properties. Consequently, the duplex S-N curves were clearly found, but the surface-induced fractures were often found in the fatigue data belonging to the second S-N curve in the longer life region.

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