Titlebook: Cracking Phenomena in Welds IV; Thomas Boellinghaus,John C. Lippold,Carl Edward Cr Book 2016 The Editor(s) (if applicable) and The Author(

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Evidenzbasierte P?dagogik – ein Déjà-vu?CrFe-7 and ERNiCrFe-7A, respectively), compositions considered susceptible to DDC, are deposited with cold wire GTAW in a narrow groove with precise heat input and bead placement controls to isolate the occurrence of DDC to a known region of the weld deposit. Computer modeling using SysWeld. with va

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Einleitung: Wirtschaftliche Rationalit?ticroscopy (SEM), and energy dispersive spectroscopy (EDS) in the SEM has been performed in order to identify solidification cracking mechanisms, and to study the effect of liquid film formation and backfilling on cracking susceptibility.

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Einleitung: Wirtschaftliche Rationalit?t cracking of the cast alloys is attributed to the presence of low melting constituents or constitutional liquation of constituents in the large grained and very segregated cast microstructure. Results of hot ductility testing showed that the brittle temperature range (BTR) of the cast alloy 625 is a

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A Historical Perspective on Varestraint Testing and the Importance of Testing Parametersachine, utilized on a daily basis in the aerospace industry to solve hot cracking issues in production. The paper also discloses the importance in choosing the right testing parameters in order to minimize scatter in test results and to be able to make a reliable judgment in susceptibility towards h

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Improved Understanding of Varestraint Testing—Nickel-Based Superalloysime as welding takes place. The strains imposed by welding can thus be augmented by the strains imposed by the bending action to find the strain limits when hot cracks appear and also the sensitivity to hot cracking by counting the number and measuring the length of the individual cracks as a means

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Towards Establishment of Weldability Testing Standards for Solidification Crackingbvious advantage of allowing data to be reliably compared between different research labs. But making decisions regarding standards requires some careful thought and agreement on (i) how test parameters affect test results, (ii) what exactly needs to be measured, and (iii) how test results should be