Fakultat der Universitat in Freiburg Dezember 9. Konrad Kunze, Freiburg. AnschlieBend Besuch des Augustinermuseums
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Brziak, PhD. Hakl, CSc. Pecha, PhD. The paper focuses on the creep properties of base metal mainly. However, theproperties of weld joints are also discussed matching coated electrode produced by Metrode Ltd, UK.
Metallographicalanalysis is also a part of the work. Na obr. The comparison of BM creep properties is summarizedin Fig. The virgin microstructure of BM is almost free of precipitates. However, after short period of time, the massiveprecipitation of M 23C 6, coherent Cu clusters, and Crrichparticles take place.
First welding trials show, thatfusion line is to be the critical part of the weld. Additionalexperimental work is necessary to optimize both weldingtechnology and selection of consumables. Some tests continue. The metallographicstudy proved changes in the microstructure as a resultof creep exposure.
The creep strength of the BGA4 alloywas compared with some similar advanced austeniticsteels. The critical part of weld joints has beenfound. Viswanathan and R. London, , s. In: Proc. Lecomte-Beckers et al. London, s. Materials Science and Engineering, A, , s. EN IIW Doc. AG a pod. Z tab. Sn50Pbalebo Sn63Pb. Band I. Springer-Verlag, Berlin , s. Priama — tzv.
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