2010
DOI: 10.1007/s10556-010-9301-1
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Evaluation of the effect of production and operating parameters on the durability and safety of assembled welded joints of valve fittings

Abstract: Questions are considered of the reliability of assembled welded joints of valve fittings. It is proposed to use impact strength as a criterion of welded metal durability for welded joints. The effect of welding heating cycle on the structure and phase composition, and properties of metal around the joint (MAJ) of the heataffected zone (HAZ) of welded joints made from steel of strength categories K42 and K52 is studied. The effect of strain ageing on impact strength characteristics of the MAJ of the HAZ is anal… Show more

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“…We studied kinetics of austenite decomposition in welding with the help of dilatometry method [20,21].…”
Section: Methods Of Researchmentioning
confidence: 99%
“…We studied kinetics of austenite decomposition in welding with the help of dilatometry method [20,21].…”
Section: Methods Of Researchmentioning
confidence: 99%
“…Effect of welding on base metal can be also evaluated using a method at which thermal action on metal is carried out without application of welding (GOST 23870-79) [3][4][5][6]. In this case, the billets (ingots of specific size) from studied steel are heated and cooled on mode, comparable with welding thermal cycle (WTC).…”
mentioning
confidence: 99%