1992
DOI: 10.1007/978-3-642-48640-1
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Heat Effects of Welding

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Cited by 253 publications
(102 citation statements)
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References 84 publications
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“…The figures show that at the top and root of the weld, longitudinal residual stress reduces by 20-30 % and 30-40 % with the use of GMAW and P-GMAW processes respectively in comparison to that observed in case of using the SMAW process. The transverse residual stress has also been found to follow a similar trend but having a magnitude comparatively lower than the longitudinal residual stress of the weld joint as it is also commonly observed [18][19][20][21] in earlier works. In comparison to SMAW the GMAW and especially the P-GMAW process has been found advantageous with respect to reduction in residual stresses in ASS pipe joint primarily due to its relatively less severity of thermal effect ( Table 3).…”
Section: Shrinkage and Residual Stressessupporting
confidence: 75%
See 1 more Smart Citation
“…The figures show that at the top and root of the weld, longitudinal residual stress reduces by 20-30 % and 30-40 % with the use of GMAW and P-GMAW processes respectively in comparison to that observed in case of using the SMAW process. The transverse residual stress has also been found to follow a similar trend but having a magnitude comparatively lower than the longitudinal residual stress of the weld joint as it is also commonly observed [18][19][20][21] in earlier works. In comparison to SMAW the GMAW and especially the P-GMAW process has been found advantageous with respect to reduction in residual stresses in ASS pipe joint primarily due to its relatively less severity of thermal effect ( Table 3).…”
Section: Shrinkage and Residual Stressessupporting
confidence: 75%
“…The presence of dual peak of residual stresses distributed in either side of weld centre line in weld joint of austenitic stainless steel arising out of interactions of shrinkage and quenching stresses has also been reported by earlier workers. [18][19][20][21] However, almost in all the cases the residual stresses at the weld centre are found relatively higher at the root than top of the weld. Table 4.…”
mentioning
confidence: 89%
“…Such a variation of depth of penetration with respect to welding current is in agreement with the observation on weld characteristic reported elsewhere in the case of GMAW and P-GMAW of various ferrous and non-ferrous materials 11 . It is also reported that depth of penetration is primarily attributed to the variation in arc heat and to some extent to variation in heat of filler metal transferred to the weld pool 4,12 . However, the influence of significant enhancement of arc pressure with the increase of welding current cannot be ignored.…”
Section: Performance Of Hw-gtaw Processmentioning
confidence: 99%
“…Venymäliuskoilla tapahtuvan hot spot -jännityksen määrityksessä venymäliuskojen etäisyydet hitsin rajaviivasta ovat tyypillisesti 0,4 ja yksi -kertaiset tarkasteltavan liitoslevyn vahvuudesta. Hot spot -menetelmässä ja muissa standardien mukaisissa menetelmissä käytettävät S-N -käyrät voidaan määrittää kaavoilla (9)(10)(11)(12). [8,15,17] Kuvassa 1 esitetään lujuusopin mukainen yksinkertaistettu nimellisen jännityksen S-N -käyrä kaavojen (1), (2) ja (3) mukaisesti 355-lujuusluokan teräkselle.…”
Section: Väsymismitoitusunclassified
“…[7] Keskijännitys voi kuitenkin poiketa nollasta merkittävästi. Hitsatuissa liitoksissa keskijännitykseen vaikuttaa ulkoisen kuormituksen lisäksi useissa tutkimuksissa havaittu jopa lähes myötölujuuden suuruinen vetojäännösjännitys, mutta ultralujilla teräksillä jäännösjännitys voi olla osittain myös puristavaa [9][10][11][12]24]. Jotta lujalla teräksellä saavutettavat edut saadaan hyödynnettyä maksimaalisesti myös hitsiliitoksissa, on hitsisaumat oltava erittäin hyvälaatuisia.…”
Section: Väsymismitoitusunclassified