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Fatigue improvement...
Fatigue improvement of welded bridge details in stainless steel using high-frequency mechanical impact treatment
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- al-Emrani, Mohammad, 1967 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Gothenburg, Sweden.
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- Shams Hakimi, Poja, 1988 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Gothenburg, Sweden.
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- Schneider, C. (author)
- Swerea Kimab, Stockholm, Sweden.
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- Barsoum, Zuheir, 1978- (author)
- KTH,Farkost och flyg
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- Groth, H. (author)
- Outokumpu Stainless Steel AB,Outokumpu, Degerfors, Sweden.
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Chalmers tekniska högskola Chalmers Univ Technol, Gothenburg, Sweden (creator_code:org_t)
- CRC PRESS-TAYLOR & FRANCIS GROUP, 2018
- 2018
- English.
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In: Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges - Proceedings of the 9th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2018. - : CRC PRESS-TAYLOR & FRANCIS GROUP. ; , s. 446-451, s. 446-451
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Abstract
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- This paper reports the results from fatigue testing on welded non-load-carrying transverse attachments made of C-Mn (S460) and stainless (LDX2101) steels. The tests are done on 40 mm thick specimens in as-welded and HFMI-treated specimens. Measurements on weld toe radius and weld residual stresses are also reported. The results show that the improvement of fatigue strength that can be achieved by HFMItreatment on welded LDX2101 steel is similar to what is obtained for equivalent C-Mn steels. Also in the aswelded condition do these two types of steel show similar fatigue strength. HFMI-treatment gives more than 5 steps increase in fatigue strength for both steels, which is higher than what specified, for example by the recommendations of the International Institute of Welding.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
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- kon (subject category)
- ref (subject category)
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