Method of Fatigue Life Estimation for Arc–Welded Structures

2000 ◽  
Author(s):  
T. Kasahara ◽  
Y. Maruo ◽  
T. Nakamaru ◽  
S. Magara ◽  
K. Koibuchi
Keyword(s):  
Fatigue Life ◽  
Welded Structures ◽  
Life Estimation ◽  
Fatigue Life Estimation

Method of Fatigue Life Estimation for Spot Welded Structures

2002 ◽  
Author(s):  
Takashi Sawamura ◽  
Noboru Tomioka ◽  
Toshi Matsumoto ◽  
Akifumi Okabe
Keyword(s):  
Fatigue Life ◽  
Welded Structures ◽  
Life Estimation ◽  
Fatigue Life Estimation ◽  
Spot Welded

scholarly journals Total Life Approach for Fatigue Life Estimation of Welded Structures

2015 ◽  
Vol 101 ◽  
pp. 177-184 ◽  
Author(s):  
S. Mikheevskiy ◽  
G. Glinka ◽  
T. Cordes
Keyword(s):  
Fatigue Life ◽  
Welded Structures ◽  
Life Estimation ◽  
Fatigue Life Estimation ◽  
Total Life

Method of Fatigue Life Estimation for Spot-Welded Structures

2000 ◽  
Author(s):  
Yuji Nakahara ◽  
Masayuki Takahashi ◽  
Atsushi Kawamoto ◽  
Masao Fujimoto ◽  
Noboru Tomioka
Keyword(s):  
Fatigue Life ◽  
Welded Structures ◽  
Life Estimation ◽  
Fatigue Life Estimation ◽  
Spot Welded

Load Spectrum Compiling and Fatigue Life Estimation of the Automobile Wheel Hub

2020 ◽  
Vol 13 ◽  
Author(s):  
Xintian Liu ◽  
Yang Qu ◽  
Xiaobing Yang ◽  
Yongfeng Shen
Keyword(s):  
Fatigue Life ◽  
High Speed ◽  
Two Dimensional ◽  
Load Spectrum ◽  
One Dimensional ◽  
Life Estimation ◽  
Load Spectra ◽  
Fatigue Life Estimation ◽  
Program Load Spectrum ◽  
Program Load

Background:: In the process of high-speed driving, the wheel hub is constantly subjected to the impact load from the ground. Therefore, it is important to estimate the fatigue life of the hub in the design and production process. Objective:: This paper introduces a method to study the fatigue life of car hub based on the road load collected from test site. Methods:: Based on interval analysis, the distribution characteristics of load spectrum are analyzed. The fatigue life estimation of one - dimensional and two - dimensional load spectra is compared by compiling load spectra. Results:: According to the S-N curve cluster and the one-dimensional program load spectrum, the estimated range fatigue life of the hub is 397,100 km to 529,700 km. For unsymmetrical cyclic loading, each level means and amplitude of load were obtained through the Goodman fatigue empirical formula, and then according to S-N curve clusters in the upper and lower curves and two-dimensional program load spectrum, estimates the fatigue life of wheel hub of the interval is 329900 km to 435200 km, than one-dimensional load spectrum fatigue life was reduced by 16.9% - 17.8%. Conclusion:: This paper lays a foundation for the prediction of fatigue life and the bench test of fatigue durability of auto parts subjected to complex and variable random loads. At the same time, the research method can also be used to estimate the fatigue life of other bearing parts or high-speed moving parts and assemblies.

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