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Otu esi ahọrọ ALCP (pulsed) ma ọ bụ ALC (na-aga n'ihu) igwe nhicha laser?

Otu esi ahọrọ ALCP (pulsed) ma ọ bụ ALC (na-aga n'ihu) igwe nhicha laser?

Na ubi nke laser ihicha, eriri lasers aghọwo ihe kasị mma nhọrọ maka laser ihicha ìhè isi iyi na elu ntụkwasị obi, kwụsie ike na mgbanwe.Dị ka ihe abụọ dị mkpa nke eriri lasers, fiber lasers na-aga n'ihu na laser fiber pulsed na-ejide ahịa na-eduga n'ọkwa na nhazi ihe onwunwe na nhazi ihe nkenke n'otu n'otu.

N'ihi na abụrụ laser ihicha ngwa, ma ọ ga-eji na-aga n'ihu laser ma ọ bụ pulsed laser pụtara dị iche iche olu, ahịa pụtakwara na ojiji nke pulsed na-aga n'ihu Laser ụdị abụọ nke laser nhicha akụrụngwa.Ọtụtụ ndị ọrụ njedebe ụlọ ọrụ amaghị ka esi ahọrọ mgbe ị na-ahọrọ.Jepte laser na-aga n'ihu na pulsed laser nhicha ngwa maka nnwale atụ, na nyocha nke njirimara ha na ọnọdụ ngwa ngwa, na-atụ anya inye ntụaka bara uru maka ndị ọrụ mmepụta ihe na nhọrọ nke teknụzụ nhicha laser kwekọrọ.

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Ihe nyocha

ALCP bụ ihe nhicha laser pulsed yana ALC bụ ihe nhicha laser na-aga n'ihu.E gosipụtara nkọwa zuru ezu nke ntụnyere laser nke abụọ dị ọcha na Tebụl 1. Ihe nlele a na-eji na nnwale ahụ bụ efere alumini alloy, nha nha nha nha nha nha, obosara na ịdị elu nke 400mm × 400mm × 4mm.sample abụọ maka carbon ígwè efere, carbon ígwè size ogologo, obosara na elu nke 400mm × 400mm × 10mm.sample elu spraying ọcha agba, sample otu n'elu agba ọkpụrụkpụ nke banyere 20μm, sample abụọ elu agba ọkpụrụkpụ nke banyere 40μm.

A na-eji lasers abụọ wepụ agba n'elu ihe abụọ ahụ maka nyocha, na nhazi nke nhicha laser kachasị mma iji nweta obosara pulse kacha mma, ugboro ugboro, ọsọ nyocha na ihe ndị ọzọ, na iji tụnyere mmetụta nhicha na arụmọrụ n'okpuru kachasị mma. ọnọdụ nnwale.

 

Pulsed laser ihicha agba oyi akwa nnwale

N'ime nnwale mkpochapụ agba agba ọkụ, ike nke laser bụ 200W, ogologo nke enyo enyo ejiri mee ihe bụ 163mm, dayameta ntụpọ lekwasịrị anya laser bụ ihe dịka 0.32mm.Ebe dị ọcha nke otu mpaghara bụ 13mm × 13mm, oghere njuputa bụ 0.16mm.Laser na-enyocha ugboro ugboro ma na-ehicha elu alloy aluminum ugboro 2 yana elu carbon ígwè ugboro anọ.

 

Tebụl 1: Ntụle nke laser pulsed na parampat laser na-aga n'ihu

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Ihe onwunwe

Ihe atụ 1 bụ efere aluminom nwere akụkụ nke 400 mm × 400 mm × 4 mm.sample 2 bụ carbon ígwè efere na akụkụ nke 400 mm × 400 mm × 10 mm.A na-ese elu nke ihe nlele ahụ na-acha ọcha, na ọkpụrụkpụ nke agba n'elu ihe nlele 1 dị ihe dị ka 20 μm, na ọkpụrụkpụ nke agba n'elu ihe nlele 2 bụ ihe dịka 40 μm.

 

Nsonaazụ ule

A na-eji lasers abụọ maka nyocha mwepụ nke agba n'elu ihe abụọ, na nhazi ihicha laser kachasị mma iji nweta obosara usu kacha mma, ugboro ugboro, ọsọ nyocha na ihe ndị ọzọ, na iji tụnyere mmetụta nhicha na arụmọrụ n'okpuru ọnọdụ nnwale kachasị mma.

 

1 Pulsed laser ihicha agba oyi akwa nnwale

Ike laser bụ 200W, ogologo oghere nke mirror ubi bụ 163mm, dayameta ntụpọ laser bụ 0.32mm, ebe nhicha bụ 13mmx13mm, oghere ndochi bụ 0.16mm, a na-ehichapụ elu aluminum site na nyocha laser ugboro abụọ, yana carbon carbon. A na-ehicha elu igwe site na nyocha laser ugboro anọ.A nwalere mmetụta nke obosara laser pulse obosara, ugboro na laser scanning ọsọ (dị ka e gosiri na Tebụl 2) na mmetụta nhicha a nwalere n'okpuru ọnọdụ na longitudinal na transverse superposition ọnụego nke ntụpọ bụ 50%, na nnwale mmetụta nke aluminum alloy elu. Egosiri mwepụ nke agba na eserese 1, na nsonaazụ nnwale nke iwepụ agba agba carbon steel ka egosiri na eserese 2.

 

Isiokwu 2. pulsed laser ihicha aluminum alloy na carbon ígwè n'elu agba nnwale kwa

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Ọgụgụ 1. Dị iche iche laser parameters n'okpuru pulsed laser ihicha aluminum alloy elu agba oyi akwa ntụnyere chaatị

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Ọgụgụ 2. Dị iche iche laser parameters n'okpuru pulsed laser ihicha carbon ígwè n'elu agba oyi akwa ntụnyere chaatị

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Experimental results na otu ugboro mkpụmkpụ usu obosara tụnyere ogologo usu obosara nwere ike mfe wepụ aluminum alloy na carbon ígwè n'elu agba oyi akwa dị ọcha, na otu usu obosara, ala ugboro yikarịrị ka emebi mkpụrụ, mgbe ugboro bụ ukwuu karịa a ụfọdụ uru, elu ugboro agba oyi akwa mwepụ mmetụta ga-aka njọ.Nsonaazụ nnwale nke pulsed laser ihicha aluminom alloy surface paint oyi akwa nke ọkacha mmasị maka 15 # (ike laser 200W, obosara obosara 100ns, ugboro 60kHz, ọsọ nyocha 9600mm / s), ihicha akwa mkpuchi elu carbon steel nke ọkacha mmasị maka 13 # (Laser ike 200W, usu obosara 100ns, ugboro 40kHz, ịgụ isiokwu ọsọ 6400mm / s), ma nke ndị a parameters ga-Ma parameters wepụ lacquer oyi akwa ọcha, na mkpụrụ nke sample bụ ihu ọma adịghị emerụ.

 

2 Na-aga n'ihu laser nhicha agba oyi akwa nnwale

N'ime nnwale nke iwepụ agba ọkụ na-aga n'ihu, ike nke laser bụ 50%, okirikiri ọrụ bụ 20% (dakọtara na nkezi ike nke 200 W), ugboro bụ 30 kHz.Laser na-enyocha ugboro ugboro ugboro 2 mgbe ị na-ehicha elu nke aluminum alloy na ugboro 4 mgbe ị na-ehicha elu nke carbon ígwè.N'okpuru ọnọdụ nke ike laser mgbe niile, okirikiri ọrụ na ugboro ole, a na-anwale mmetụta nke ọsọ nyocha laser na mmetụta nhicha.E gosipụtara ihicha ihicha nke aluminom alloy n'elu mwepu agba na tebụl 3, na mmetụta nhicha na-egosi na eserese 3. E gosipụtara paramita ihicha nke carbon steel n'elu agba mwepụ na tebụl 4, na nsonaazụ nhicha na-egosi na Figure 4.

 

Isiokwu 3. Na-aga n'ihu laser ihicha nke aluminum alloy elu agba ibuo parameters

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Isiokwu 4. Na-aga n'ihu laser ihicha nke carbon ígwè n'elu agba ibuo parameters

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Ọgụgụ 3. Dị iche iche laser scanning ọsọ na-aga n'ihu laser ihicha aluminum alloy elu agba oyi akwa ntụnyere chaatị

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Ọgụgụ 4. Dị iche iche laser scanning ọsọ nke na-aga n'ihu laser ihicha nke carbon ígwè n'elu agba oyi akwa ntụnyere chaatị

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Nsonaazụ nnwale na-egosi na n'otu ike laser na ugboro ole, ka ọsọ nyocha laser dị ala, ka mmebi ahụ na-abawanye na mkpụrụ.Mgbe scanning ọsọ bụ ukwuu karịa a ụfọdụ uru, ngwa ngwa na scanning ọsọ, njọ agba oyi akwa mwepụ mmetụta.Nsonaazụ nnwale nke laser na-aga n'ihu na-ehicha aluminum alloy surface paint oyi akwa họọrọ parampat maka 21 # (ike laser 200W, ugboro 30kHz, ọsọ nyocha 2000mm / s), ihicha carbon steel n'elu agba agba họọrọ paramita maka 37 # (ike laser 200W, ugboro 30kHz, ọsọ nyocha 3400mm / s).Ndị a abụọ parameters ga-bụghị nanị na-ewepụ carbon ígwè n'elu agba oyi akwa dị ọcha, na mmebi mere na sample mkpụrụ bụ dịtụ obere.

 

Mmechi

Nnwale egosiwo na ma lasers na-aga n'ihu na nke pulsed nwere ike wepu agba si n'elu ihe ahụ iji nweta nsonaazụ nhicha.N'okpuru otu ike ọnọdụ, arụmọrụ nke pulsed laser ihicha dị nnọọ elu karịa nke lasers na-aga n'ihu, ebe pulsed lasers nwere ike mma ịchịkwa okpomọkụ ntinye iji gbochie oke substrate okpomọkụ ma ọ bụ microfusion.

Laser na-aga n'ihu nwere uru na ọnụahịa ma nwee ike ime ka ọdịiche dị na arụmọrụ ya na lasers pulsed site na iji lasers ike dị elu, mana ntinye ọkụ nke ọkụ na-aga n'ihu dị elu ka ukwuu na ogo mmebi nke mkpụrụ ahụ na-abawanye.Ya mere, enwere nnukwu ọdịiche dị n'etiti ha abụọ na ndapụta ngwa.Ngwa ndapụta na elu nkenke, na-achọ nlezianya akara nke mkpụrụ okpomọkụ ịrị elu na-achọghị mmebi nke mkpụrụ, dị ka ebu, na-atụ aro ka ịhọrọ pulsed lasers.Maka ụfọdụ nnukwu ihe owuwu ígwè, pipeline, wdg, n'ihi nnukwu ụda ọkụ na-ekpo ọkụ ngwa ngwa, ihe ndị na-emebi ihe ndị a chọrọ adịghị elu, mgbe ahụ ị nwere ike ịhọrọ lasers na-aga n'ihu.

 


Oge nzipu: Ọgọst-15-2022