scholarly journals Fatigue Process Evaluation of Ultrasonic Fatigue Testing in High Strength Steel Analyzed by Acoustic Emission and Non-Linear Ultrasonic

2009 ◽  
Vol 73 (3) ◽  
pp. 205-210
Author(s):  
Mitsuharu Shiwa ◽  
Yoshiyuki Furuya ◽  
Hisashi Yamawaki ◽  
Kaita Ito ◽  
Manabu Enoki
Keyword(s):  
Acoustic Emission ◽  
Process Evaluation ◽  
High Strength Steel ◽  
Fatigue Testing ◽  
High Strength ◽  
Fatigue Process ◽  
Non Linear ◽  
Ultrasonic Fatigue

scholarly journals Fatigue Process Evaluation of Ultrasonic Fatigue Testing in High Strength Steel Analyzed by Acoustic Emission and Non-Linear Ultrasonic

2010 ◽  
Vol 51 (8) ◽  
pp. 1404-1408 ◽  
Author(s):  
Mitsuharu Shiwa ◽  
Yoshiyuki Furuya ◽  
Hisashi Yamawaki ◽  
Kaita Ito ◽  
Manabu Enoki
Keyword(s):  
Acoustic Emission ◽  
Process Evaluation ◽  
High Strength Steel ◽  
Fatigue Testing ◽  
High Strength ◽  
Fatigue Process ◽  
Non Linear ◽  
Ultrasonic Fatigue

EVALUATION OF ULTRASONIC FATIGUE TESTING PROCESS OF HIGH STRENGTH STEEL BY NON-LINEAR ULTRASONIC ANALYSIS

2009 ◽  
Author(s):  
M. Shiwa ◽  
Y. Furaya ◽  
H. Yamawaki ◽  
K. Ito ◽  
M. Enoki ◽  
...  
Keyword(s):  
High Strength Steel ◽  
Fatigue Testing ◽  
High Strength ◽  
Non Linear ◽  
Ultrasonic Fatigue ◽  
Ultrasonic Analysis

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.

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