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Information × Registration Number 0207U005991, 0104U004531 , R & D reports Title Development the estimation methods of the technical state and residual lifetime of the welded joints on the steam power station pipeline with taking to account hydrogen degradation of metal popup.stage_title Head Nykyforchyn Hryhory Mykolayovych, Registration Date 09-08-2007 Organization Karpenko Physico-Mechanical Institute of the National Academy of Sciences of Ukraine popup.description2 The critical state of the degraded weld metal was estimated by investigation fatigue crack growth rate for weld metal in virgin state, after service and laboratory degradation. The criterion is the inversion of the absorbed hydrogen effect at the fatigue effective threshold of the hydrogenated and degassing metal. The method of the decrease sensitivity to hydrogen cracking of the weld metal was proposed by using special treatment arc-welding electrodes. Product Description popup.authors popup.nrat_date 2020-04-02 Close