2020
DOI: 10.1002/eng2.12308
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Hot‐cracking susceptibility of fully austenitic stainless steel using pulsed‐current gas tungsten arc‐welding process

Abstract: The pulsed‐current gas tungsten arc‐welding process (PCGTAW) has recently been recommended as an approach to eliminate the high susceptibility of austenitic stainless steel to hot cracking. Within a wide range of variables, in the present study, the effects of pulse frequency, time ratio, and pulse current on the cracking susceptibility of austenitic stainless‐steel thin sheets are investigated. A fan‐shaped cracking test specimen is adopted, and suitable final dimensions are obtained by conducting some prelim… Show more

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Cited by 4 publications
(3 citation statements)
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“…Comparing these results, it is possible to infer that the mechanical properties resulting from pulsed current welding will be superior to those of constant DC welding due to the greater isotropy of the structure. These effects were also verified by Abu-Aesh et al [28] and Masumoto et al [29], who claimed an increase in solidification crack resistance using pulsed current, as well as an increase in joint mechanical strength.…”
Section: Resultssupporting
confidence: 58%
See 1 more Smart Citation
“…Comparing these results, it is possible to infer that the mechanical properties resulting from pulsed current welding will be superior to those of constant DC welding due to the greater isotropy of the structure. These effects were also verified by Abu-Aesh et al [28] and Masumoto et al [29], who claimed an increase in solidification crack resistance using pulsed current, as well as an increase in joint mechanical strength.…”
Section: Resultssupporting
confidence: 58%
“…Comparing these results, it is possible to infer that the mechanica properties resulting from pulsed current welding will be superior to those of constant DC welding due to the greater isotropy of the structure. These effects were also verified b Abu-Aesh et al [28] and Masumoto et al [29], who claimed an increase in solidificatio crack resistance using pulsed current, as well as an increase in joint mechanical strength A completely different solidification structure appeared in the pulsed current welding. Due to the alternation in arc power, the fusion occurred in discrete volumes, producing a discrete microstructure as shown in Figure 9.…”
Section: Resultssupporting
confidence: 53%
“…Comparing these results, it is possible to induce that the mechanical properties resulting from pulsed current welding will be superior to those of constant DC welding due to the greater isotropy of the structure. These effects were also veri ed by Abu-Aesh et al [10] and Masumoto et al [11], who claimed an increase in solidi cation crack resistance using pulsed current, as well as an increase in joint mechanical strength.…”
Section: Resultsmentioning
confidence: 58%