Laser–archybridheatsourceisacombinationoflaserandarc,
which possessesmanynewanduniquemerits,suchasimproved
manufacturing stability,efficiency,qualityandreducedenergy
consumption [1–3]. Whenthelaser–archybridheatsourcewas
introduced intoweldingarea,ithasattractedmuchattentionfrom
researchers [4]. Muchresearchworkwasdone,andresultsshowed
that laser–archybridheatsourceperformedwellinweldingand
joining metals [5].
Forafurtherdevelopmentoflaser–arcweldingtechnology,itis
necessary tounderstandthestateoftheheatsource.Sothein-
teractionsbetweenlaserandarcplasmaneedtobediscovered.As
the mostimportantstructureofthelaser–arcsystem,thelaser
keyhole andthekeyholeplasmainitshouldbepaidmuchat-
tention to.Manystudiesreferringtothisaspectarevaluable.Pang
et al.builta3Dmodelfordescribingthedynamicsoftheweld
pool, thekeyholeandthekeyholeplasma [6]. Intheirresearch,the
ambient pressureeffectduringlaserweldingwasconsidered [7],
which hasasimilareffectofarcpressureduringlaser–arcwelding.
Tenneretal.analyzedthecorrelationbetweenplasmaplumeand
keyhole behaviorinlasermetalweldingforthemodelingofthe
keyhole geometry,whichcontributesmuchtotheunderstanding
of theinteractionbetweenarcplasmaandlaserkeyhole [8]. Tan
et al.developedanewmulti-physicsnumericalmodeltoanalyze
เลเซอร์ archybridheatsourceisacombinationoflaserandarc,
ซึ่ง possessesmanynewanduniquemerits, suchasimproved
ผลิตเสถียรภาพประสิทธิภาพ qualityandreducedenergy
บริโภค [1-3] Whenthelaser-archybridheatsourcewas
intoweldingarea แนะนำ ithasattractedmuchattentionfrom
นักวิจัย [4] Muchresearchworkwasdone, andresultsshowed
ว่าเลเซอร์ archybridheatsourceperformedwellinweldingand
เข้าร่วมโลหะ [5].
Forafurtherdevelopmentoflaser-arcweldingtechnology, ITIS
จำเป็น mostimportantstructureofthelaser-arcsystem, เลเซอร์รูกุญแจ andthekeyholeplasmainitshouldbepaidmuchat- tention to.Manystudiesreferringtothisaspectarevaluable.Pang et al.builta3Dmodelfordescribingthedynamicsoftheweld สระว่ายน้ำ, thekeyholeandthekeyholeplasma [6] Intheirresearch ที่แวดล้อม pressureeffectduringlaserweldingwasconsidered [7] ซึ่ง behaviorinlasermetalweldingforthemodelingofthe เรขาคณิตรูกุญแจ, whichcontributesmuchtotheunderstanding ของ theinteractionbetweenarcplasmaandlaserkeyhole [8] Tan et-al.developedanewmulti physicsnumericalmodeltoanalyze
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