Stresses and fatigue of laser welds

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F25797000%3A_____%2F18%3AN0000023" target="_blank" >RIV/25797000:_____/18:N0000023 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21340/18:00327176
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S2212827118309284" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2212827118309284</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.procir.2018.08.142" target="_blank" >10.1016/j.procir.2018.08.142</a>

Result language
angličtina
Original language name
Stresses and fatigue of laser welds
Original language description
The paper deals with the specific properties of laser welds in fine-grained high-strength steels. The main topic, however, are residual stresses in laser welds, their impact on the mechanical properties and fatigue behaviour of such welds. As documented, fatigue cracks initiate mainly on micropores or other subsurface defects. From X-ray diffraction studies it follows that thermal expansion is primarily responsible for the longitudinal tensile stresses, whereas transverse compressive stresses are caused by phase transformations. The behaviour of transverse stresses also explains why fractures in laser welds occur completely outside the weld metal and the heat-affected zone.
Czech name
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Czech description
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Project
<a href="/en/project/TH02010664" target="_blank" >TH02010664: Innovative methods of welding of high pressure devices using laser technologies</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
10th CIRP Conference on Photonic Technologies [LANE 2018]
ISBN
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ISSN
2212-8271
e-ISSN
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Number of pages
4
Pages from-to
481-484
Publisher name
Elsevier B.V.
Place of publication
Amsterdam
Event location
Furth
Event date
Sep 3, 2018
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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