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Statistical assessment of post-weld treated welded joints by burr grinding
Citation Link: https://doi.org/10.15480/882.3531
Publikationstyp
Bachelor Thesis
Date Issued
2020-05
Sprache
English
Author(s)
Advisor
Referee
Title Granting Institution
Technische Universität Hamburg
Place of Title Granting Institution
Hamburg
Examination Date
2020-05
TORE-DOI
TORE-URI
Citation
Technische Universität Hamburg (2020)
Burr grinding is one of the post-weld improvement methods that are widely used in various industries to improve the fatigue strength of welds: bridges, offshore structures, ships and land-based structures. In this paper, main influencing parameters and effect of burr grinding technique on the fatigue strength for butt-welded, longitudinal welded, doubling plates, load-carrying transverse, non-load carrying transverse welded and T-joints as well as I-section with cope hole and out-of-plane longitudinal welds has been evaluated, based on the extracted 395 fatigue data points from 34 existing publications. The specimens used in these studies with yield strength 175 MPa < σYS <1100 MPa, which were tested with stress ratio -1 < R < 0.5, are analyzed and assessed with statistical methods. The assumed value of S-N slope m = 4 and proposed FAT classes seem to be applicable for the extracted data. More experimental testing is needed to draw the conclusion more exactly.
DDC Class
620: Ingenieurwissenschaften
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