Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory

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SUN, Yibo ;YANG, Xinhua .
Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 60, n.9, p. 600-606, june 2018. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/sl/article/study-on-the-correction-of-s-n-distribution-in-the-welding-fatigue-analysis-method-based-on-the-battelle-equivalent-structural-stress-by-rough-set-theory/>. Date accessed: 14 nov. 2019. 
doi:http://dx.doi.org/10.5545/sv-jme.2013.1579.
Sun, Y., & Yang, X.
(2014).
Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory.
Strojniški vestnik - Journal of Mechanical Engineering, 60(9), 600-606.
doi:http://dx.doi.org/10.5545/sv-jme.2013.1579
@article{sv-jmesv-jme.2013.1579,
	author = {Yibo  Sun and Xinhua  Yang},
	title = {Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {60},
	number = {9},
	year = {2014},
	keywords = {Welding; fatigue; Battelle structural stress; Master S-N curve method; Correction; S-N distribution},
	abstract = {In welding techniques, failure is a key problem that is related to the stability and safety of the welded structure. In the commonly used welding fatigue analysis methods, the Master S-N curve method based on Battelle structural stress solves the problem of inconsistencies in stress calculation and S-N curve selection better than the nominal stress method and hot spot stress method. In this paper, rough set theory was employed to study the S-N distribution based on the Battelle equivalent structural stress. Firstly, rough set analyses of the S-N distribution based on the nominal stress, structure stress and Battelle equivalent structure stress were carried out. Then the S-N distributions based on the three stresses were studied. The results indicated that structural stress rearranges the S-N point making it much more concentrated in the region near the mean S-N curve and that equivalent structural stress places the S-N point more uniformly on both sides of the curve. Subsequently, the corrections from the plate thickness and stress ratio in the Master S-N curve method were studied. It was concluded that with two steps of corrections the decision-making degrees of welding factors are weakened and harmonized in the Battelle equivalent structural stress. This made the S-N distribution much more concentrated and uniform, which allows more accurate welding fatigue prediction by the Master S-N curve.},
	issn = {0039-2480},	pages = {600-606},	doi = {10.5545/sv-jme.2013.1579},
	url = {https://www.sv-jme.eu/sl/article/study-on-the-correction-of-s-n-distribution-in-the-welding-fatigue-analysis-method-based-on-the-battelle-equivalent-structural-stress-by-rough-set-theory/}
}
Sun, Y.,Yang, X.
2014 June 60. Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 60:9
%A Sun, Yibo 
%A Yang, Xinhua 
%D 2014
%T Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory
%B 2014
%9 Welding; fatigue; Battelle structural stress; Master S-N curve method; Correction; S-N distribution
%! Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory
%K Welding; fatigue; Battelle structural stress; Master S-N curve method; Correction; S-N distribution
%X In welding techniques, failure is a key problem that is related to the stability and safety of the welded structure. In the commonly used welding fatigue analysis methods, the Master S-N curve method based on Battelle structural stress solves the problem of inconsistencies in stress calculation and S-N curve selection better than the nominal stress method and hot spot stress method. In this paper, rough set theory was employed to study the S-N distribution based on the Battelle equivalent structural stress. Firstly, rough set analyses of the S-N distribution based on the nominal stress, structure stress and Battelle equivalent structure stress were carried out. Then the S-N distributions based on the three stresses were studied. The results indicated that structural stress rearranges the S-N point making it much more concentrated in the region near the mean S-N curve and that equivalent structural stress places the S-N point more uniformly on both sides of the curve. Subsequently, the corrections from the plate thickness and stress ratio in the Master S-N curve method were studied. It was concluded that with two steps of corrections the decision-making degrees of welding factors are weakened and harmonized in the Battelle equivalent structural stress. This made the S-N distribution much more concentrated and uniform, which allows more accurate welding fatigue prediction by the Master S-N curve.
%U https://www.sv-jme.eu/sl/article/study-on-the-correction-of-s-n-distribution-in-the-welding-fatigue-analysis-method-based-on-the-battelle-equivalent-structural-stress-by-rough-set-theory/
%0 Journal Article
%R 10.5545/sv-jme.2013.1579
%& 600
%P 7
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 60
%N 9
%@ 0039-2480
%8 2018-06-28
%7 2018-06-28
Sun, Yibo, & Xinhua  Yang.
"Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory." Strojniški vestnik - Journal of Mechanical Engineering [Online], 60.9 (2014): 600-606. Web.  14 Nov. 2019
TY  - JOUR
AU  - Sun, Yibo 
AU  - Yang, Xinhua 
PY  - 2014
TI  - Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2013.1579
KW  - Welding; fatigue; Battelle structural stress; Master S-N curve method; Correction; S-N distribution
N2  - In welding techniques, failure is a key problem that is related to the stability and safety of the welded structure. In the commonly used welding fatigue analysis methods, the Master S-N curve method based on Battelle structural stress solves the problem of inconsistencies in stress calculation and S-N curve selection better than the nominal stress method and hot spot stress method. In this paper, rough set theory was employed to study the S-N distribution based on the Battelle equivalent structural stress. Firstly, rough set analyses of the S-N distribution based on the nominal stress, structure stress and Battelle equivalent structure stress were carried out. Then the S-N distributions based on the three stresses were studied. The results indicated that structural stress rearranges the S-N point making it much more concentrated in the region near the mean S-N curve and that equivalent structural stress places the S-N point more uniformly on both sides of the curve. Subsequently, the corrections from the plate thickness and stress ratio in the Master S-N curve method were studied. It was concluded that with two steps of corrections the decision-making degrees of welding factors are weakened and harmonized in the Battelle equivalent structural stress. This made the S-N distribution much more concentrated and uniform, which allows more accurate welding fatigue prediction by the Master S-N curve.
UR  - https://www.sv-jme.eu/sl/article/study-on-the-correction-of-s-n-distribution-in-the-welding-fatigue-analysis-method-based-on-the-battelle-equivalent-structural-stress-by-rough-set-theory/
@article{{sv-jme}{sv-jme.2013.1579},
	author = {Sun, Y., Yang, X.},
	title = {Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {60},
	number = {9},
	year = {2014},
	doi = {10.5545/sv-jme.2013.1579},
	url = {https://www.sv-jme.eu/sl/article/study-on-the-correction-of-s-n-distribution-in-the-welding-fatigue-analysis-method-based-on-the-battelle-equivalent-structural-stress-by-rough-set-theory/}
}
TY  - JOUR
AU  - Sun, Yibo 
AU  - Yang, Xinhua 
PY  - 2018/06/28
TI  - Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 60, No 9 (2014): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2013.1579
KW  - Welding, fatigue, Battelle structural stress, Master S-N curve method, Correction, S-N distribution
N2  - In welding techniques, failure is a key problem that is related to the stability and safety of the welded structure. In the commonly used welding fatigue analysis methods, the Master S-N curve method based on Battelle structural stress solves the problem of inconsistencies in stress calculation and S-N curve selection better than the nominal stress method and hot spot stress method. In this paper, rough set theory was employed to study the S-N distribution based on the Battelle equivalent structural stress. Firstly, rough set analyses of the S-N distribution based on the nominal stress, structure stress and Battelle equivalent structure stress were carried out. Then the S-N distributions based on the three stresses were studied. The results indicated that structural stress rearranges the S-N point making it much more concentrated in the region near the mean S-N curve and that equivalent structural stress places the S-N point more uniformly on both sides of the curve. Subsequently, the corrections from the plate thickness and stress ratio in the Master S-N curve method were studied. It was concluded that with two steps of corrections the decision-making degrees of welding factors are weakened and harmonized in the Battelle equivalent structural stress. This made the S-N distribution much more concentrated and uniform, which allows more accurate welding fatigue prediction by the Master S-N curve.
UR  - https://www.sv-jme.eu/sl/article/study-on-the-correction-of-s-n-distribution-in-the-welding-fatigue-analysis-method-based-on-the-battelle-equivalent-structural-stress-by-rough-set-theory/
Sun, Yibo, AND Yang, Xinhua.
"Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 60 Number 9 (28 June 2018)

Avtorji

Inštitucije

  • Dalian Jiaotong University, School of Material Science and Engineering, China 1
  • Dalian Jiaotong University, School of EMU Application and Maintenance Engineering, China 2

Informacije o papirju

Strojniški vestnik - Journal of Mechanical Engineering 60(2014)9, 600-606

https://doi.org/10.5545/sv-jme.2013.1579

In welding techniques, failure is a key problem that is related to the stability and safety of the welded structure. In the commonly used welding fatigue analysis methods, the Master S-N curve method based on Battelle structural stress solves the problem of inconsistencies in stress calculation and S-N curve selection better than the nominal stress method and hot spot stress method. In this paper, rough set theory was employed to study the S-N distribution based on the Battelle equivalent structural stress. Firstly, rough set analyses of the S-N distribution based on the nominal stress, structure stress and Battelle equivalent structure stress were carried out. Then the S-N distributions based on the three stresses were studied. The results indicated that structural stress rearranges the S-N point making it much more concentrated in the region near the mean S-N curve and that equivalent structural stress places the S-N point more uniformly on both sides of the curve. Subsequently, the corrections from the plate thickness and stress ratio in the Master S-N curve method were studied. It was concluded that with two steps of corrections the decision-making degrees of welding factors are weakened and harmonized in the Battelle equivalent structural stress. This made the S-N distribution much more concentrated and uniform, which allows more accurate welding fatigue prediction by the Master S-N curve.

Welding; fatigue; Battelle structural stress; Master S-N curve method; Correction; S-N distribution