Bawo ni le puncture resistance ti isọnu 3003 aluminiomu bankanje ounje awọn apoti jẹ ẹri nipa jijẹ awọn annealing ilana?

Eco-a. Ifihan: Lightweight eletan ti isọnu 3003 Aluminiomu bankanje Ọsan apoti

Isọnu 3003 aluminiomu bankanje ọsan apoti ni o wa atijo fun takeaway ati ki o pese ounjẹ, o ṣeun re won atunlo, ga-otutu resistance (>200° C), ati ti o dara formability (2024 oja iwọn >8 bilionu RMB).

Laisi, lightweight thinning ti farahan bi ilana bọtini fun idinku iye owo ati iduroṣinṣin. Tinrin bankanje aluminiomu wọn lati ibile 0.08-0.10mm si isalẹ 0.07mm gige ohun elo lilo nipasẹ 12%-15%, lowers fun-kuro iye owo nipa 8%-10%, ati pe o dinku agbara aluminiomu gbogbogbo-titọ pẹlu awọn ibi-afẹde ayika ile-iṣẹ.

Eco-b. Puncture Resistance Ipenija Lẹhin Thinning

Thinning si isalẹ 0.07mm ndinku din puncture resistance ti isọnu 3003 aluminiomu bankanje ọsan apoti, ṣiṣẹda a lominu ni išẹ aafo.

Pataki, nigbati o ba mu awọn eroja ti o wa ni egungun (f.eks., apoju wonu) tabi ikarahun-lori onjẹ (f.eks., awọn ede), awọn eti didasilẹ ti awọn nkan wọnyi ni rọọrun gun bankanje tinrin naa. Awọn data ile-iṣẹ fihan eyi n pọ si oṣuwọn jijo lati aifiyesi 0.5% (fun 0.08mm bankanje) si 5% -8% - ipele kan ti o kuna lati pade olumulo ati awọn ireti ami iyasọtọ.

Eco-c. Okunfa ifosiwewe: Microstructure-Mechanical ini Link

Ti ipilẹṣẹ, puncture resistance da lori meji bọtini agbara ti aluminiomu bankanje: “resistance abuku agbegbe” ati “agbara gbigba agbara.” Awọn mejeeji ni ipinnu taara nipasẹ microstructure ti bankanje (ọkà iwọn, Al₆Mn pinpin ipele keji) ati Abajade darí-ini (agbara, igbelage, lile).

Dajudaju, ilana annealing — eyiti o ṣe ilana microstructure nipasẹ ṣiṣakoso recrystallization ati ojoriro-akoko keji-di pataki lati ṣe iwọntunwọnsi iwuwo fẹẹrẹ ati resistance puncture fun awọn apoti ọsan wọnyi. Laisi annealing kongẹ, ani tinrin 3003 bankanje ko le pade awọn ibeere iṣẹ.

Eco-d. Ipa Microstructure ni Resistance Puncture

Fun isọnu 3003 aluminiomu bankanje ọsan apoti, microstructure ti 3003 aluminiomu bankanje (ohun Al-Mn alloy pẹlu 1.0%-1.5% Mn) taara dictates puncture resistance-pẹlu meji bọtini apa gaba lori yi ibasepo:

(A) Ọkà Iwon Ipa

Ni akọkọ, Iwọn ọkà ni ipa nla lori agbara mejeeji ati lile:

• Awọn irugbin ti o dara pupọju (<3μm): Fọọmu naa ṣe afihan lile lile (Hv>60) ṣugbọn elongation kekere (<8%). Nigba puncture, eyi nyorisi fifọ fifọ, significantly igbega jijo ewu.

• Awọn irugbin isokuso pupọju (>10μm): Agbara lọ silẹ ni isalẹ 130MPa, nfa idibajẹ pilasitik ti o pọju ti o ni abajade “tokun bibajẹ” si apoti.

• Iwọn to dara julọ: 5-8μm. Iwọntunwọnsi yii n pese agbara fifẹ 140-150MPa ati 10%-12% elongation-gangan ohun ti o nilo fun iṣẹ apoti ọsan ti o gbẹkẹle.

(B) Al₆Mn Ipa Ipele Keji

Ikeji, morphology ati pinpin Al₆Mn (awọn jc keji-alakoso ni 3003 banki) - iṣakoso nipasẹ annealing - siwaju ni ipa lori resistance puncture:

• Tutu-yiyi ipinle: Al₆Mn wa bi ojuutu to lagbara ti o ga julọ, nfa iṣẹ lile lile. Elongation ṣubu ni isalẹ 6%, yori si ko dara puncture resistance.

• Annealing ti ko pe (<280° C): Al₆Mn n ṣafẹri bi awọn aaye ti o dara (<0.5μm), ṣugbọn aipe ojoriro ṣe opin ilọsiwaju agbara.

• Annealing ti o pọju (>350° C): Al₆Mn coarsens sinu flakes (>2μm), sise bi awọn orisun ifọkansi wahala. Eleyi ge puncture agbara nipa 20%-30%.

Eco-e. Darí Ini Ala

Lati rii daju gbẹkẹle puncture resistance fun 3003 aluminiomu bankanje tinrin ju 0.07mm, Awọn ala-ilẹ ohun-ini ẹrọ kan pato gbọdọ pade — ọkọọkan n ṣe idasi ni iyasọtọ si agbara apoti ounjẹ ọsan lati koju lilu:

Atọka ẹrọ	Iwọn Ipele	Tiwon si Ọsan Box Puncture Resistance
Agbara fifẹ (MPa)	140-150	Koju nina agbegbe, idilọwọ awọn abuku apoti
Agbara Ikore (MPa)	110-120	Ṣe imudarasi rececture puncture
Ilọsiwaju (%, L0 = 50mm)	10%-12	Fa agbara puncurture (>3J), dinku jijo
Frackers lile (Hv)	50-55	Awọn iwọntunwọnsi lile ati lile, Yago fun fifọ Brittru

Laisi, Ti o pọ si awọn ipele giga. Fun apere, Awọn idanwo fihan pe nigbati ohun elo Piong tẹlẹ lati 10% si 7%, oṣuwọn ti o jẹ ounjẹ ounjẹ ounjẹ ti o dagba lati 1.2% Si ilosoke 45% -a.

Eco-f. Awọn italaya ti o mojuto ti thinning si isalẹ 0.07mm

Tẹnisi 3003 Ṣakopọ alumọni si isalẹ 0.07MM n ṣafihan awọn italaya pataki mẹta fun ilana igbesoke, Gbogbo fidimule ninu “Ikosiwaju Ipa” ti awọn foils tinrin-awọn italaya taara ṣe idiwọ iṣelọpọ ibi-pupọ ati aitasera iṣẹ:

(A) Annealing isokan oro

Ni akọkọ, tinrin bankanje (<0.07mm) jiya lati uneven otutu gradients ni ibile rola hearth ileru:

• Awọn agbegbe olubasọrọ pẹlu awọn rollers gbona si 5°C ju awọn agbegbe ti kii ṣe olubasọrọ lọ, nfa iyatọ 4-6μm ni iwọn ọkà (vs. ifarada deede ti ≤2μm). Eyi nyorisi ± 15% awọn iyipada ninu resistance puncture.

• Tinrin bankanje tun ni 12.5% kekere ooru agbara ju 0.08mm bankanje, jijẹ eewu ti sisun ju-eyiti o fa Al₆Mn ti o si ba iṣẹ ṣiṣe jẹ.

(B) Performance Iwontunws.funfun atayanyan

Ikeji, iyọrisi iwọntunwọnsi laarin agbara ati elongation di atayanyan:

• Mimu akoko imudara kọja 10h lati ṣe alekun agbara coarsens awọn irugbin si >10μm, dinku elongation ni isalẹ 8% ati diwọn gbigba agbara.

• Sokale otutu annealing ni isalẹ 280°C lati se itoju elongation gige agbara si <130MPa, ṣiṣe awọn bankanje prone si ilaluja.

(C) Idagbasoke-Annealing Rogbodiyan

Ikẹta, ilana stamping (beere fun ọsan apoti lara, pẹlu 5-8mm jin iyaworan) ija pẹlu awọn abajade annealing:

• Annealing aipe fi oju iṣẹku ṣiṣẹ lile, nfa bankanje lati kiraki nigba stamping-ju silẹ lara iyege awọn ošuwọn ni isalẹ 85%.

• Annealing ti o pọju nyorisi awọn irugbin isokuso, eyiti o fa “ọrùn” nigba lara. Eleyi a mu abajade uneven odi sisanra (>0.01mm) ati alailagbara puncture resistance ni tinrin ojuami.

Eco-g. Iṣapeye Ilana Annealing Ipele Mẹta

Lati koju awọn italaya wọnyi ati pade awọn ibeere resistance puncture ti tinrin 3003 aluminiomu bankanje, ohun iṣapeye mẹta-ipele annealing ilana ti a ni idagbasoke-ìfọkànsí awọn bojumu microstructure ti “5-8μm awọn irugbin + 0.5-1μm iyipo Al₆Mn” nipasẹ kongẹ Iṣakoso:

(A) Ipele 1: Preheating (250-280° C, 1-2tani H)

Ipele 1 fojusi lori alapapo iṣakoso lati yago fun awọn iyipada alakoso ti tọjọ:

• Idi: Alapapo o lọra si 3003 otutu recrystalization ti bankanje (~250°C) idilọwọ ojoriro Al₆Mn iyara, eyi ti yoo disrupt tetele microstructure Ibiyi.

• Iṣakoso bọtini: Oṣuwọn alapapo 5-8°C/min ṣe idaniloju iyatọ iwọn otutu ≤2°C kọja sisanra bankanje — ṣe pataki fun isokan.

• Abajade: Mn awọn ọta bẹrẹ lati tan kaakiri, easing iṣẹ lile ati igbega elongation si 6%-7%.

(B) Ipele 2: Idaduro Annealing (300-320° C, 3-5tani H)

Gbigbe si Ipele 2, ibi-afẹde naa n yipada si iwọntunwọnsi recrystallization ati ojoriro-akoko keji:

• Oniruwọn iwọn otutu: 300-320°C ni “recrystalization-agbegbe iwọntunwọnsi ojoriro”:

• • Recystallization: Awọn irugbin ti o tutu ti a ti yiyi pada ni kikun yipada si awọn irugbin equiaxed (5-8μm).

• • Al₆Mn ojoriro: Fine ti iyipo patikulu (0.5-1μm) fọọmu, isọdọtun awọn irugbin nipasẹ pinni ati okun nipasẹ pipinka.

• Atunṣe akoko: 3h fun 0.06mm bankanje ati 5h fun 0.07mm bankanje-aridaju 80%-85% Al₆Mn ojoriro (wadi nipasẹ DSC).

• Abajade ẹrọ: 145-150MPa agbara fifẹ, 11%-12% igbelage, ati HV 52-55 — ni pipe ni deede awọn ala ti a beere.

(C) Ipele 3: Itutu-iyara Alabọde (10-15°C/min to RT)

Ipele 3 pari ilana naa nipa titunṣe microstructure ti o dara julọ:

• Aṣayan oṣuwọn:

• • Itutu ni iyara ju 20°C/min ṣe idiwọ ojoriro Al₆Mn, yori si ori ìşọn ati 1-2% elongation pipadanu.

• • Itutu lọra ju 5°C/min coarsens Al₆Mn si >1μm, ṣiṣẹda wahala orisun.

• Anfani: 10-15°C/min titii itutu agbaiye ninu microstructure ti o fẹ, Titọju awọn iyipada resistance puncture ≤5%.

• Igbesẹ afikun: Gbigbọn nitrogen lakoko itutu agbaiye ṣe idiwọ ifoyina (ohun elo afẹfẹ ≤0.5μm), yago fun lilẹ oran nigba lara.

ECO-H. Ijerisi adanwo

Lati fi agbara mulẹ ilana imudara iṣapeye, ọpọlọpọ awọn idanwo ni a ṣe ni lilo 0.06mm 3003 aluminiomu bankanje lati ṣe awọn apoti ounjẹ ọsan isọnu-pẹlu awọn ẹgbẹ apẹẹrẹ mẹta fun lafiwe:

(A) Awọn ẹgbẹ apẹẹrẹ

Ni akọkọ, Awọn ẹgbẹ apẹẹrẹ mẹta pato ti pese sile:

• Idanwo: Fọọmu ti a tọju pẹlu iṣapeye ilana ipele mẹta.

• Iṣakoso 1: Fọọmu ti a tọju pẹlu annealing ibile (320°C ×8h, 5°C / min itutu).

• Iṣakoso 2: Fọọmu ti a tọju pẹlu aipe annealing (280°C ×3h, 20°C / min itutu).

(B) Awọn ọna Idanwo

Itele, awọn idanwo okeerẹ ti ṣe apẹrẹ lati ṣe iṣiro iṣẹ ṣiṣe:

• Microstructure: Iwọn ọkà ni iwọn nipasẹ 500× metallographic maikirosikopu; Atupalẹ morphology Al₆Mn nipasẹ TEM.

• Awọn ohun-ini darí: Agbara fifẹ / elongation idanwo nipasẹ ẹrọ gbogbo agbaye; líle nipasẹ Vickers ndan.

• Puncture resistance:

• • Idanwo lab: GB / t 31985-2015 boṣewa, lilo abẹrẹ irin 1mm (5mm / min iyara) lati wiwọn agbara ati agbara.

• • Idanwo iṣẹ gidi: Ti afarawe takeaway gbigbọn (10Hz, 30min) pẹlu egungun-ni iha, kika jijo.

(C) Awọn abajade bọtini

L'akotan, awọn abajade idanwo jẹrisi ilọsiwaju ti ilana iṣapeye:

Ẹgbẹ apẹẹrẹ	Iwọn Ọkà (μm)	Agbara puncture (N)	Oṣuwọn jijo (%)
Idanwo	6.2± 1.0	16.2±0.8	1.1
Iṣakoso 1	11.5±2.3	12.3±0.6	5.8
Iṣakoso 2	4.8±0.8	17.5±0.7	4.2

(D) Awọn ipari

Lati awọn abajade wọnyi:

• Ẹgbẹ adanwo pade awọn iṣedede ile-iṣẹ (jijo ≤2%) nitori awọn oniwe-bojumu microstructure.

• Awọn iṣakoso kuna: Iṣakoso 1 aini puncture agbara (isokuso oka), nigba Iṣakoso 2 aini gbigba agbara (kekere elongation).

ECO-I. Awọn wiwọn Ohun elo Imọ-ẹrọ

Fun ilana imudara iṣapeye lati jẹ ṣiṣeeṣe ni iṣelọpọ pupọ ti nkan isọnu 3003 aluminiomu bankanje ọsan apoti, Awọn ọna ṣiṣe ẹrọ bọtini mẹta jẹ pataki-iwọntunwọnsi iṣẹ, idiyele, ati didara:

(A) Ohun elo Igbesoke

Ni akọkọ, igbegasoke annealing ẹrọ idaniloju uniformity:

• Gba “infurarẹẹdi alapapo + gbona air san” ileru: Alapapo infurarẹẹdi n ṣakoso iwọn otutu si ± 1°C; 0.5-1m / s air sisan ti jade dada otutu iyato (≤1°C), boosting ọkà uniformity to >90%.

• Ṣafikun awọn iwọn sisanra ori ayelujara (0.1μm deede) lati ṣe awari awọn iyipada ti o fa annealing uneven.

(B) Iṣakoso iye owo

Ikeji, ti o dara ju ilana sile din owo:

• Kukuru preheating si 1-2h (vs. 3-4h asa) ati idaduro akoko lati 3-5h-gige lapapọ annealing ọmọ nipa 20%-30% ati lilo agbara nipasẹ 15%-18%.

• Lo imularada ooru egbin ni itutu agbaiye lati ṣaju bankanje ti nwọle, sokale kuro agbara lati 80kWh/ton to 65kWh/ton.

(C) Ayẹwo didara

Ikẹta, imulo awọn sọwedowo didara ti o muna ni idaniloju aitasera:

• Ayẹwo kọọkan bankanje eerun 3 igba (ori / arin / iru), lilo a bulọọgi puncture tester (1mm abẹrẹ, 5mm/min) lati mọ daju agbara ≥15N.

• Idanwo 100 awọn apoti ọsan fun ipele kan pẹlu awọn eroja ti o wa ninu egungun, nilo jijo ≤2%.

ECO-J. Ipari ati Outlook

Ni soki, awọn mojuto kannaa sile aridaju puncture resistance fun isọnu 3003 Awọn apoti ọsan bankanje aluminiomu tinrin si isalẹ 0.07mm wa ninu ilana imudara ipele mẹta ti iṣapeye (250-280°C ṣaju → 300-320°C idaduro → 10-15°C/min dara). Ilana yii ṣe iwọntunwọnsi microstructure ati awọn ẹrọ ẹrọ lati pade awọn ibeere bọtini (agbara ≥15N, jijo ≤2%).

Ẹri esiperimenta jẹrisi iye rẹ: 0.06mm bankanje ọsan apoti waye 16.2N puncture agbara, 1.1% jijo, ati 15% ifowopamọ agbara-ti o tayọ awọn ọna ibile.

Nwa niwaju, awọn itọnisọna meji yoo mu ilọsiwaju siwaju sii:

• Ye “annealing-lara Integration” lati dinku awọn iyipada iṣẹ lati ibi ipamọ iwọn otutu-yara.

• Lo microalloying (f.eks., wa kakiri Zr) lati liti awọn irugbin, muu ani tinrin foils (<0.05mm) pẹlu ti o ga puncture resistance.