Abstract
The paper shows results of 30 experimental stainless steels which were subjected to two laboratory liquation cracking tests. Namely the Thermorestor-W test with temperature-strain simulation of welding cycles (Japanese) and the LTP-1-6/TIG test (Russian) were employed. Preliminary criteria of liquation cracking tests (3 degrees) are proposed. Comparison of experimental results with the calculation indices L, δH and ECr/ENi is presented. A parametric equation tgακ based on the simulation test results is also proposed. Thanks to a vacuum chamber of the Thermorestor-W simulator, the fracture surfaces of liquation cracks are suitable for further study of metallurgical cracking. Examples of low melting eutectic phases revealed by microfractographic analysis are shown. The validity of calculation indices and the preliminary test criteria of liquation cracking have to be further verified with the results obtained on real joints.
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© 2005 Springer-Verlag Berlin Heidelberg
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Bernasovský, P. (2005). Contribution to HAZ Liquation Cracking of Austenitic Stainless Steels. In: Böllinghaus, T., Herold, H. (eds) Hot Cracking Phenomena in Welds. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-27460-X_6
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DOI: https://doi.org/10.1007/3-540-27460-X_6
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-22332-0
Online ISBN: 978-3-540-27460-5
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