Ntụle ihe atụ nke ngwa ịgbado ọkụ laser nwere dayameta isi dị iche iche

The size nke laser isi dayameta ga-emetụta nnyefe ọnwụ na ike njupụta nkesa nke ìhè. Nhọrọ ezi uche dị na ya nke dayameta isi dị ezigbo mkpa. Oke isi dayameta ga-eduga na mgbagha ọnọdụ na ịgbasa na nnyefe laser, na-emetụta ogo beam na itinye uche ziri ezi. Obere dayameta isi ga-eme ka symmetry nke ike anya njupụta nke eriri otu ọnọdụ na-akawanye njọ, nke na-adịghị akwado nnyefe nkelaser ike dị elu.

1. Uru na ngwa nke obere isi dayameta lasers (<100um)

Ihe na-egosipụta nke ọma: aluminum, ọla kọpa, igwe anaghị agba nchara, nickel, molybdenum, wdg;

(1)Ihe na-egosipụta nke ukwuu kwesịrị ịhọrọ obere laser dayameta isi. A na-eji ọkụ ọkụ laser dị elu na-ekpo ọkụ na-ekpo ọkụ ngwa ngwa na ọnọdụ mmiri ọkụ ma ọ bụ vaporized, nke na-eme ka ọnụọgụ laser nke ihe ahụ dịkwuo mma ma nweta nhazi nke ọma na ngwa ngwa. Ịhọrọ a laser na nnukwu isi dayameta nwere ike mfe iduga elu echiche. , na-eduga na ịgbado ọkụ mebere na ọbụna ọkụ nke laser;

Ihe mgbawa nwere mmetụta: nickel, ọla kọpa nickel, aluminum, igwe anaghị agba nchara, alloy titanium, wdg.

Ihe a na-achọkarị nchịkwa siri ike nke mpaghara okpomọkụ na-emetụta na obere ọdọ mmiri gbazee, n'ihi ya, ọ ka mma ịhọrọ obere laser dayameta isi;

Nhazi laser dị elu:

(3)Ịgbado ọkụ dị omimi chọrọ nhazi laser dị elu, ọ dịkwa mkpa ịhọrọ laser nwere njupụta ike dị elu iji hụ na ike eriri ahụ zuru ezu iji gbazee ihe ahụ na nnukwu ọsọ ọsọ, karịsịa maka ịgbado ọkụ n'apata, ịgbado ọkụ penetration, wdg. chọrọ omimi ntinye dị elu. Ọ ka mma ịhọrọ obere isi dayameta laser kwesịrị ekwesị.

2. Uru na ngwa nke nnukwu isi dayameta lasers (> 100um)

Nnukwu isi dayameta na nnukwu ntụpọ, nnukwu mkpuchi mkpuchi okpomọkụ, mpaghara ime ihe, na naanị micro-agbaze nke elu ihe, bụ nke dị nnọọ mma maka ngwa na laser cladding, laser remelting, laser annealing, laser hardening, wdg. ubi ndị a, a nnukwu ìhè ntụpọ pụtara elu mmepụta arụmọrụ na ala ntụpọ (thermal conductive ịgbado ọkụ nwere fọrọ nke nta ọ dịghị ntụpọ).

N'usoro nkeịgbado ọkụ, nnukwu ebe a na-ejikarị eme ihengwakọta nke ịgbado ọkụ, nke a na-eji maka ijikọta ya na obere isi dayameta laser: nnukwu ntụpọ na-eme ka elu nke ihe ahụ gbazee ntakịrị, na-agbanwe site na ihe siri ike gaa na mmiri mmiri, nke na-eme ka ọnụọgụ nke ihe dị na laser dịkwuo mma, wee jiri obere isi mee ihe. usoro a, n'ihi preheating nke nnukwu ntụpọ, post-processing, na nnukwu okpomọkụ gradient nyere ọdọ mmiri a wụrụ awụ, ihe na-adịghị mfe mgbape ntụpọ mere site ngwa ngwa kpo oku na ngwa ngwa jụrụ. Ọ nwere ike ime ka ọdịdị weld dị nro ma nweta spatter dị ala karịa otu ngwọta laser.