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TEST MATERIALS AND SPECIMEN PREPARATION
TEST EQUIPMENT AND PROCEDURE
14 other sections not shown
340 hours exposure accelerated creep annealing approximately argon environment autoclave carbides carbon chromium commercial 0.5 Mo-steel completely decarburized Creep and Rupture creep curves creep elongation creep properties creep recorder creep rupture curve creep rupture tests creep-rupture machines creep-rupture properties creep-rupture specimens decar ductility behavior effect of hydrogen emery paper evident exposure to hydrogen F. H. Vitovec ferrite grains Figures 17 fracture surface grain boundary Grain growth high pressure hydrogen High Temperature Hydrogen hours rupture hydrogen attack hydrogen environment hydrogen exposure hydrogen increases increase in slope increasing rupture internal pressures low alloy steels low stresses Metallographic methane formation microstructure minimum creep rate Mo-Steel in 50 Mo-steel in hydrogen molybdenum P. C. Rosenthal percent reduction reduced reduction of area Results for Creep rupture lives rupture properties rupture specimens rupture stress sliding weight stage or accelerated surface decarburization tested in argon Testing Materials tests in hydrogen third stage Unexposed University of Wisconsin