2025-10-29 0 Okwu

Na-agwa Pinholes okwu & Mgbasawanye Mweghachi n'ime 8079 Aluminom foil maka obere akpa na-eweghachi okpomọkụ (6.50μm/O Iwe): Atụmatụ njikwa mpịakọta

1. Ndubata: Performance chọrọ nke 8079 Aluminom foil maka obere akpa mweghachi nke okpomọkụ na mkpa njikwa pinhole pụtara

Obere akpa na-eweghachi okpomọkụ dị elu bụ ndị na-ebu ibu maka nkwakọ nri agwọ ọrịa (E.G., anu anu, ngwaahịa soy, na-achọ 121-135 ℃ elu-nrụgide uzuoku sterilization maka 30-60 nkeji). O doro anya, oseihe nwoke 8079 aluminom foil maka nnukwu okpomọkụ retort obere akpa (6.50μm gbara ọkpụrụkpụ, Isi iwe, i.e., A na-egbu egbu) na oyi akwa ha mejupụtara na-arụ ọrụ dị oke mkpa n'igbochi oxygen (nnyefe ọnụego ≤0.1cm³/(m²·24hatm)) na uzuoku mmiri (ọnụego nnyefe ≤0.1g/(m²äh)).

O-ewe iwe 8079 alloy (Mn ọdịnaya 0.8%-1.2%) nwere elongation ≥30% na ike ≤110MPa, na-eme ka ọ dị mma maka ịbịaru miri emi na ikpo ọkụ n'oge retort pouch lamination. Agbanyeghị, na-atụgharị nlele 6.50μm dị gịrịgịrị na-enwekarị pinholes-ọ bụrụ dayameta pinhole >20μm, uzuoku nwere ike banye na foil n'oge igba ogwu, na-eme ka nri ghara imebi. Karia nka, pinholes na-agbasawanye n'okpuru okpomọkụ mgbe ọ gbasasịrị (na 121 ℃, ọnụọgụ mgbasawanye thermal nke aluminom foil bụ 23.1 × 10⁻⁶ / ℃, na obere pinholes nwere ike gbasaa karịa 30μm), imebi nkwakọ ngwaahịa hermeticity. Dabere na 2024 data ụlọ ọrụ nkwakọ ngwaahịa, otu ụlọ ọrụ nwere nsogbu 5 nde yuan na mfu n'ihi nleba anya ngwaahịa sitere na obere pinholes na-enweghị isi kpatara 8079 Aluminom foil maka obere akpa retort okpomọkụ. Ya mere, ịkwalite usoro ntụgharị ahụ dị mkpa iji chịkwaa pinholes ≤20μm ma gbochie mgbasawanye nkwụghachi azụ..

8079 Aluminom foil maka nnukwu okpomọkụ retort obere akpa-1

2. Usoro nke Pinhole Formation in 8079 Aluminom foil maka obere akpa na-eweghachi okpomọkụ (6.50μm/O Iwe) N'oge Rolling

N'ụzọ bụ isi, pinholes na mkpa 6.50μm aluminum foil (kọwara GB/T 31985-2015 dị ka penetrating oghere na dayameta >5μm) isi na-esi na ụdị ntụpọ atọ n'oge a na-atụgharị. Nrụrụ ndị a, nyochaa na njikọ na Njirimara nke 8079 alloy na O-ewe iwe njiri mara, na-nkọwapụta na tebụl n'okpuru:

Okpokoro 1: Nhazi na ihe kpatara Pinholes na 8079 Aluminom foil (6.50μm/O Iwe) maka obere akpa mkpọgharị okpomoku dị elu n'oge a na-atụgharị

Ụdị pinhole Isi ihe kpatara ya Njirimara pinhole Oke dayameta (μm) Isi Ihe Na-emetụta
Ọdịiche nke akụrụngwa Mgbatị nke ntinye Al₂O₃ na pores hydrogen n'ime 8079 ingots n'oge mpịakọta Linear, ekesara n'akụkụ ntụgharị ụzọ 15-30 Ọnụego ntinye abanye, porosity
Usoro adabaghị Ọnụego mbelata otu ngafe karịrị akarị n'ịtụgharị ma ọ bụ oke mkpụgharị ọsọ na-akpata mgbaji Oge mgbe niile, akụkụ siri ike 20-35 Mbelata ọnụego nkesa, mpịakọta ọsọ
Mmetọ-ebutere Ntugharị nke ncha akwụkwọ mpịakọta ma ọ bụ ntinye nke adịghị ọcha mmanụ na-atụgharị okirikiri/nke na-adịghị agbanwe agbanwe, ọnụ ire ụtọ 10-25 Nyefee isi ike, na-atụgharị mmanụ ọcha

Kpọmkwem, data ule na-egosi na mgbe ọnụego nsonye ingot >0.3%, n'oke-ọkọlọtọ ọnụego nke akụrụngwa ntụpọ pinholes na nke a aluminum foil ruru 35%; mgbe ị na-agba ọsọ ọsọ >800m / m, Ọnụ ọgụgụ nke usoro pinholes na-adaghị adaba na-arị elu 40%. Nke a na-akọwapụta mkpa njikwa ezubere iche maka ụdị ntụpọ ọ bụla.

8079 Aluminom foil maka nnukwu okpomọkụ retort obere akpa-3

3. Core Rolling Teknụzụ maka ịchịkwa Pinholes ≤20μm (Nkwalite ọkwa site na ọkwa)

Iji dozie usoro ndị a dị n'elu, usoro zuru oke gbadoro ụkwụ na ya “akụrụngwa ọcha – Usoro nhazi usoro – njikwa akụrụngwa – njikwa ọkara” ga-eguzobe. Usoro a na-eme ka pinholes ≤20μm n'ime 8079 Aluminom foil maka obere akpa retort okpomọkụ mgbe ọ tụgharịrị, mgbe ị na-atọ ntọala maka arụmọrụ mgbochi mgbasawanye na-esote:

(1) Ngwọta ihe eji eme ihe: Na-egbochi nnyefe nrụrụ na isi mmalite

Usoro nchebe mbụ megide pinholes bụ njikwa akụrụngwa siri ike.

  1. Usoro ọcha:
    • Nabata “nitrogen nnụcha + seramiiki okpukpu abụọ” (elu oyi akwa 50μm, obere oyi akwa 20μm) iji wepụ Al₂O₃ inclusions na hydrogen pores, na-achịkwa ọnụego nsonye ingot ≤0.05% na porosity ≤0.02%;
    • Ingot homogenization: Jide na 580-600 ℃ maka 6-8 awa iji hụ na nkesa otu Mn, na-ezere mgbaji mgbaji n'ime mpaghara n'oge a na-atụgharị n'ihi ikewapụta ihe.
  1. Nchọpụta ntụpọ na nyocha: Jiri ihe nchọta ntụpọ ugbu a eddy (uche ≥5μm) ịjụ ingots nwere ntụpọ ime, n'ịhụ 100% ọnụego ntozu nke akụrụngwa na-abanye na usoro ntụgharị.

(2) Nkwalite oke ntụgharị oyi: Na-adaba na 8079-O Temper Properties

Na-aga n'ihu na usoro ntụgharị n'onwe ya, njikarịcha oke dị oke mkpa iji gbanarị oghere pinholes na-adakọghị nke ọma.

  1. Oke Ọnụego Mbelata nke Nzọụkwụ (maka nlele 6.50μm, ngụkọta mbelata ọnụego 96.8%, iji 1.98mm nkedo akpọrepu eriri igwe dị ka akụrụngwa):

Iji nweta nkenke ịhịa aka n'ahụ mgbe ị na-achịkwa pinholes, A na-ekenye ọnụ ọgụgụ mbelata na nkebi, dị ka e gosiri na Tebụl 2:

Okpokoro 2: Usoro Usoro Ntugharị oyi maka ọkwa ọ bụla nke 8079 Aluminom foil (6.50μm/O Iwe) maka obere akpa mkpọgharị okpomoku dị elu

Ogige mpịakọta Ọkpụrụkpụ mbata (mm) Ọkpụrụkpụ ọpụpụ (mm) Ọnụego mbelata otu ngafe (%) Ọnụego mbelata mkpokọta (%) Ọsọ mpịakọta (m / m) Rolling Tension (N / m) Ebumnuche bụ isi
Rough Rolling 1.98 0.80 59.6 59.6 300-400 80-100 Ngwa ngwa mkparị, na-ejigide ductility
Ntugharị etiti 0.80 0.20 75.0 89.9 500-600 100-120 Nrụrụ n'ụdị, ibelata nrụgide n'ime
Mechaa Rolling 1 0.20 0.08 60.0 96.0 700-750 120-150 Njikwa ọkpụrụkpụ nke mbido, na-egbochi mgbaji
Mechaa Rolling 2 0.08 0.0065 (6.50μm) 91.9 99.7 650-700 150-180 Nkenkenke thinning, pinholes ≤20μm

Dee: Ọ bụ ezie na ọnụ ọgụgụ mbelata na Finish Rolling 2 dị elu, ibelata ọsọ (650-700m / m) na esemokwu na-abawanye ụba (150-180N / m) ana achi achi na-aga n'ihu plastic eruba nke 8079-O temper aluminum foil, na-ezere usoro enweghị atụ pinholes.

  1. Njikwa okpomọkụ mmanụ na-atụgharị: Jikwaa 35-45 ℃ iji hụ na viscosity mmanụ kwụsiri ike (ISO VG22, viscosity 20-25mm²/s na 40 ℃). Nke a na-eme ka mmanu mmanu ma na-ebelata ịrapara akwụkwọ mpịakọta, ihe na-ebutekarị pinholes oge niile.

(3) Nlekọta mmanụ na mpịakọta: Na-ewepụ Pinholes na-ebute mmetọ

Ihe dị oke mkpa maka njikwa oke bụ ijikwa akụrụngwa na-agbagharị agbagharị na mgbasa ozi, nke na-emetụta pinholes na-ebute mmetọ ozugbo.

  1. Mpịakọta nkenke njikwa:
    • Emecha mpịakọta na-mere nke DC53 anwụ ígwè, kwụsịrị ike HRC62-65, na elu roughness Ra 0.2-0.4μm na cylindricity ≤0.002mm mgbe egweri. Nke a na-ebelata ntugharị ntugharị na foil;
    • Mgbe e zichara 50,000 mita nke aluminom foil, mee nchọpụta ntụpọ n'ịntanetị nke mpịakọta site na iji micrometer laser. Ọ bụrụ na ọkọ >5A na-achọpụta μm, kwụsị igwe maka igwe ihe ozugbo iji gbochie nguzobe pinhole ọzọ.
  1. Sistemụ Nchacha Mmanụ Rolling: A na-anabata usoro nzacha nke ọkwa atọ iji wepụ adịghị ọcha, na kpọmkwem paramita egosiri n'okpuru:

Okpokoro 3: Oke nke Sistemụ nzacha nke ọkwa atọ maka Rolling Mmanụ nke 8079 Aluminom foil maka obere akpa na-eweghachi okpomọkụ

Ogbo nzacha Nzacha nzacha (μm) Ihe nzacha Nrụgide arụ ọrụ (MPa) Usoro nnọchi anya (h) Ebumnuche nke ịdị ọcha
Nnukwu nzacha 50 Metal kpara ntupu 0.1-0.15 120 Wepu nnukwu irighiri ihe (>50μm)
Filtration dị mma 10 Glass Fiber 0.15-0.2 72 Wepu ihe ndị na-ajụ ọkara (10-50μm)
Ultra-Fine filtration 5 Polytetrafluoroethylene (PTFE) 0.2-0.25 48 Wepu obere irighiri ihe (≤10μm)

Usoro a na-achọpụta na edobere ịdị ọcha nke mmanụ n'okpuru ọkwa NAS 8, na-egbochi irighiri ihe igwe ka a pịanye ya n'ime foil ka ọ bụrụ pinholes na-ebute mmetọ.

8079 Aluminom foil maka nnukwu okpomọkụ retort obere akpa-5

4. Ọrụ nke Usoro Ntugharị n'igbochi Mgbasa Pinhole Mweghachi Mweghachi (Usoro na nkwenye)

Na-agafe njikwa pinhole n'oge ntụgharị, Usoro ntụgharị ahụ na-arụkwa ọrụ dị mkpa n'ịgbochi mgbasawanye pinhole mgbe oke okpomọkụ gasịrị. Mweghachi okpomọkụ dị elu (121-135℃) na-akpata nrụgide okpomọkụ na nrụrụ plastik na foil aluminum; Usoro ntụgharị na-ezighi ezi nwere ike iduga mgbasawanye pinhole. Usoro ntụgharị maka 8079 Aluminom foil maka obere akpa retort okpomọkụ nwere ike igbochi mgbasawanye pinhole site na ịkwalite microstructure na nrụgide dị n'ime:

(1) Usoro mgbochi: Nnụcha ọka na enyemaka mgbakasị obi

Usoro abụọ bụ isi na-akwado mmetụta mgbochi mgbasawanye nke usoro ntụgharị:

  1. Nchacha ọka maka ịchịkwa nrụrụ okpomọkụ: Site na mbelata nke etiti (mgbe etiti tụgharịa, na-ejide na 580-600 ℃ maka 4-6 keolechi) ma mechaa njikwa esemokwu, A na-edozi nha ọka nke foil na 5-8μm (tụnyere 10-15μm ọka ọka maka O iwe). Aluminom foil nwere ezigbo ọka na-egosipụta mgbasawanye okpomọkụ otu, na-egbochi ịgbatị mpaghara n'akụkụ pinhole n'oge mweghachi na ịmachi mgbasawanye na ≤3μm.
  1. Mbelata nrụgide nrụgide ga-emesịa: Ke ozo, ma emechaa tụgharịa, jide na 200-220 ℃ maka 2-3 awa iji belata nrụgide ime n'ime mkpụgharị (na-ebelata site na 150MPa ruo n'okpuru 50MPa). Oke nrụgide dị n'ime na-akpata mbelata nke foil na-ezighi ezi mgbe a na-emegharị ya, “na-adọkpụ” pinholes gbasaa; enyemaka nrụgide nwere ike ibelata ọnụego mgbasawanye site na 60%.

(2) Nyocha ụlọ ọrụ: Nnwale njikwa Pinhole na Mgbasawanye

Iji kwado ịdị irè nke usoro ndị a, ụlọ ọrụ nakweere usoro dị n'elu iji mepụta 8079 Aluminom foil maka obere akpa retort okpomọkụ (6.50μm/O iwe), na nsonaazụ ule egosiri n'okpuru:

Okpokoro 4: Ntụle arụmọrụ nke 8079 Aluminom foil (6.50μm/O Iwe) maka obere akpa eweghachite okpomọkụ dị elu tupu na mgbe nkwalite usoro

Ihe nnwale Tupu nkwalite Mgbe emeziwanye Achọrọ Standard Industry Ọnụego ndozi (%)
Oke Pinholes ≤20μm (%) 78 99.2 ≥95 27.2
Nkezi Ọka (μm) 12 6.5 – 45.8 (ọnụego mmezi)
Nchegbu Ime Ime Na-ebutegharị (MPa) 145 48 – 66.9 (Mbelata ọnụego)
Ọnụego Mgbasa Pinhole Mgbe 121 ℃ retorting (%) 18 2.5 ≤5 86.1 (Mbelata ọnụego)
Oxyge Oxygen (cm³ /(m²·24hatm)) 0.12 0.08 ≤0.1 33.3 (Mbelata ọnụego)

Dee: Akọwapụtara ọnụego mgbasawanye dịka “ọnụ ọgụgụ nke pinholes na dayameta >20μm mgbe mweghachi / ngụkọta ọnụ ọgụgụ pinholes × 100%”. Mgbe njikarịcha, foil na-ezute n'ụzọ zuru ezu ihe achọrọ maka obere akpa retort okpomọkụ, na nkwalite mmekọrịta chiri anya na arụ ọrụ mgbochi - na-akwadokwa usoro ahụ zuru oke.

8079 Aluminom foil maka nnukwu okpomọkụ retort obere akpa-4

5. Mmechi na Outlook

Na nchịkọta, iji nweta njikwa pinhole (≤20μm) ma gbochie mgbasawanye post-retorting maka 8079 aluminom foil maka nnukwu okpomọkụ retort obere akpa (6.50μm/O iwe), usoro ihe eji eme ihe “akụrụngwa ọcha – mbelata nzọụkwụ nzọụkwụ – nkenke mpịakọta – mgbakasị ahụ mgbakasị ahụ” dị mkpa: ① Ọnụego ntinye ntinye ≤0.05% na ịdị ọcha mmanụ n'okpuru ọkwa NAS 8 bụ isi; ② A na-atụgharị ọsọ nke 650-700m / min na esemokwu nke 150-180N / m na Finish Rolling 2 bụ isi maka njikwa pinhole; ③ Mkpuchi etiti maka nnụcha ọka (5-8μm) na enyemaka nrụgide post-roll bụ isi maka mgbochi ịgbasawanye.

Na-ele Anya Anya, ntụziaka mmepe n'ọdịnihu na-elekwasị anya n'akụkụ atọ iji kwalite ịrụ ọrụ usoro: ① Nlebanya Pinhole nwere ọgụgụ isi: Wụnye ihe nchọpụta pinhole laser dị n'ịntanetị (nkenke 1μm) n'ikpeazụ mwepu mkpọ maka ezigbo oge nzaghachi na nhazi nhazi, ibelata ịdabere na nyocha ntuziaka; ② Nanomodification nke Rolling Mmanụ: Tinye irighiri nano-MoS₂ (2-5μm n'obosara) iji melite mmanu mmanu ma na-ebelata pinholes nke ịrapagidesi ike na mpịakọta; ③ Alloy Micro-Alloying: Tinye 0.02%-0.03% Ọ bụ ya 8079 alloy iji nụchaa ọka ingot ma belata nnyefe ntụpọ site na isi iyi.

N'ikpeazụ, isi ụkpụrụ maka mpịakọta usoro nke 8079 Aluminom foil maka obere akpa retort okpomọkụ aghaghi “were njikwa pinhole dị ka ihe mgbaru ọsọ na mgbasawanye mgbochi ọkụ dị ka ndọtị”. Site multi-parameter synergy, ọ na-edozi ductility na akụkụ kwụsie ike nke aluminom foil dị mkpa, n'ịhụ na sterilization nchekwa na nkwakọ ngwaahịa ntụkwasị obi nke elu okpomọkụ retort obere akpa.

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