Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 3-5American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 113
Fatigue precrack Fracture surface Fracture initiation point Cut Cut Cut BA 30 Polishing & Etching initiation points of cleavage fracture , determined by the fractographic observation , were also plotted by the symbols " V " and " V " .
Fatigue precrack Fracture surface Fracture initiation point Cut Cut Cut BA 30 Polishing & Etching initiation points of cleavage fracture , determined by the fractographic observation , were also plotted by the symbols " V " and " V " .
Page 336
can evident , in confirmation of the experimental data , that the effect is stronger for initiation than for propagation . The most important effect on the propagation factor appears to be fs which represents the direct effect of the ...
can evident , in confirmation of the experimental data , that the effect is stronger for initiation than for propagation . The most important effect on the propagation factor appears to be fs which represents the direct effect of the ...
Page 387
Table 1 initiation life , N ;, is arbitrarily defined by the detection depth with PD techniques of a crack about 0.5 mm deep . The propagation life N , = N , - N ; = Constant Amplitude N , ( kcycles ) from 2 = 0.5 mm to 24 = 12 ( 40 ...
Table 1 initiation life , N ;, is arbitrarily defined by the detection depth with PD techniques of a crack about 0.5 mm deep . The propagation life N , = N , - N ; = Constant Amplitude N , ( kcycles ) from 2 = 0.5 mm to 24 = 12 ( 40 ...
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Contents
RESIDUAL STRESS AND DISTORTION IN WELDS | 1 |
Measurement and Prediction of Welding Residual Stresses Using | 7 |
WELD METAL AND HAZ PROPERTIES | 37 |
Copyright | |
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alloys aluminium analysis application axial base bending calculated CGHAZ coating compared components composition connection considered constant cooling corrosion cost crack critical CTOD curves cycle depth developed distribution effect element energy Engineering evaluation experimental experiments factor fatigue field Figure fracture geometry given Grade grain hardness heat higher improved increase indicated initiation length living load lower material measured mechanical metal method microstructure notched observed obtained offshore operation parameters pass performed pipe plate position possible prediction present pressure procedure production properties range reduced region residual stress resistance root seawater shown shows simulation specimens steel strain strength structure surface Table technique temperature tensile thermal thickness Titanium toughness values weld metal welded joints wire yield zone