Ukupakishwa okufakwayo kwe-aluminium foil: Ububanzi bokuqina obukhulu nemithelela yobukhulu obukhulu noma ukuncipha kwezimila zezokwelapha

Eco-a. Ukuqalisa: Ukukhudlwana kokukhudlwana kanye nemisebenzi eyisisekelo yokufaka okufakiwe kwe-aluminium foil

Emkhakheni wamadivayisi wezokwelapha angenakufinyeleleka (E.g., ukumboza izidakamizwa ezithatha izidakamizwa, Izithwali zezinhlelo zokulethwa kwezidakamizwa ezivinjelwe, kanye nezendlalelo ezivikelekile ze-electromagnetic zezinzwa ezingenakufinyeleleka - zonke zenziwe Ukupakishwa okufakwayo kwe-aluminium foil), Le foil ekhethekile ye-aluminium kumele sihlangabezane ngasikhathi sinye izidingo ezintathu eziyinhloko: “Ukusebenziseka lula,” “ukwesekwa okuhlelekile,” futhi “ku-vivo ukuqina.” Ukulawulwa kwayo kokuqina (ngokunemba okuphakathi kwe-micron) iyinkomba ebucayi yezobuchwepheshe. Ngokungafani ne-aluminium foil ye-alunum (imvamisa 50-200μm), Lokhu kufakwa kwezokwelapha kudinga ukulinganisela “ukuncipha” (ukuzivumelanisa nokusebenza okuncane okuhlaselayo) futhi “izakhiwo zemishini” (ukumelana nengcindezi ye-vivo). Okokuqala nokubaluleke kakhulu, Amazinga Wezimboni Zamanje (njenge-YBB 00152023 I-Aluminium ne-Aluminium Alloy Foils yokusetshenziswa kwezokwelashwa ne-ISO 13028-2 Izinto zensimbi zamadivayisi afakiwe – Ingxenye 2: I-Aluminium ne-Aluminium Alloys) Chaza ngokucacile ububanzi balesi foil ekhethekile, futhi i-foil kufanele futhi idlule i-USP <88> Ukuhlolwa kwe-BioComticshotity ne-ISO 10993-12 Ekuqinisekisweni kokuwohloka kwe-vivo.

Eco-b. Uhla lokulawula ukuqina kokupakisha okufakiwe kwe-aluminium foil: Amazinga Wezinga le-Micron kanye nokwehlukahluka kwesimo

Ubukhulu balesi Foil Feiltant Foil akulona uhla olulodwa; Kudinga ukuhlukaniswa ngokususelwa kwizidingo ezisebenzayo zezimo ezithile zohlelo lokusebenza. Ibanga eliyisisekelo ligxile phakathi 5-50μm, nokukhethwa kokuqina kwezimo ezahlukahlukene kufanele kuvumelane “Izinto eziza kuqala ezisebenzayo” (Ukusebenza okusebenzayo / Ukuxhaswa Kwesakhiwo / Ukusebenza Kwesivikelo):

(A) Amazinga Wezimboni kanye Nama-General Worness Ranges

Ngokuhambisana ne-YBB 00152023 ne-ISO 13028-2, ukushukuma okuyisisekelo nokubekezelela kwalolu Foil Olukhethekile lwe-Alumininum kungokulandelayo:

Incwajana: Zonke izinhlobo zalokhu kufakwa kwezokwelapha kumele zisebenzise i-aluminium ehlanzayo ephezulu (1060-O noma i-1100-o fem) Ngobumsulwa be-Over 99.9%, nokuqukethwe okuphelele kokungcola (Fe + si) ≤0.1% ukugwema ukusabela komzimba wangaphandle okubangelwa ukuchithwa kwe-vivo.

(B) Isimo sokukhethwa sosayizi okhethekile weScenario

1. Izimo zokuzivumelanisa ezihlaselayo ezihlaselayo (E.g., ama-foil amboza ama-tuting arevascur izidakamizwa):

Ukufakwa kudinga ukudlula nge-microcatheter nge ububanzi ≤2mm, ngakho-ke ubukhulu balesi fol foil esikhethekile kumele balawulwe phakathi 8-15μm. Uma ubukhulu budlula ama-20μm, ububanzi obungaphandle buyanda (Ukwanda ngakunye kwe-10μm ekugqilazweni kwe-foil kuholela ekukhuleni okucishe kube ngu-8μm kububanzi obungaphandle), edlula umkhawulo wangaphakathi we-microcatheter (E.g., ububanzi obungaphakathi be-catheter 2f bungalinganiselwa ku-0.67mm), Ukwenza kube nzima ukudlula engxenyeni ye-stenotic yomthambo we-coronary. Ngaphezu kwalokho, i-foil ewugqinsi ngokweqile inciphisa izinga lokufinyela kwe-radial ye-stent (izinga lokufinyela ≤30% ku-25μm ukujiya, uma kuqhathaniswa no-≥50% ku <15μm ubukhulu), okuqhubeka kuphazamisa umphumela we-apposition ngemva kokufakwa.

2. Izimo zokulethwa kwezidakamizwa ezikhishwe ngaphansi kwesikhumba (E.g., ama-micropumps ayinhlanganisela ye-foil-polymer):

Njengesendlalelo sesakhiwo segumbi lokugcina izidakamizwa, le foil yokufakelwa kwezokwelapha kufanele ilinganise izakhiwo zokuvimbela kanye nokuguquguquka, ngohlu lokujiya lwe 10-25μm. Lapho ukushuba kuyinto <10μm, izinga lokudlulisa umoya-mpilo lidlula u-0.1cm³/(m² · 24h · 0.1MPA), okuholela ekuwohlokeni kwe-oxidative yezidakamizwa (E.g., >20% ukulahlekelwa umsebenzi emithini yamaprotheni ngaphakathi 30 izinsuku). Ngokuphambene, lapho ubukhulu bungaphezu kwama-25μm, ukugoba kokugoba kwe-micropump kuncipha (i-engeli yokugoba yehla isuka ku-120° iye ku-60°), kanye nokulimala kwezicubu ezingaphansi kwesikhumba (ukujula kokulimala kwe-epidermal >50μm) kungenzeka kwenzeke ngesikhathi sokufakwa.

3. Izimo ezivikelayo zezinzwa ezifakayo (E.g., Izendlalelo Zokuvikelwa Kwe-Foil Electromagnetic Yezinhlaka Zokuhlangana Kwekhompyutha):

Ukumelana nokugqwala komzimba kanye nokuphazanyiswa kwe-electromagnetic kuyadingeka, ngakho-ke ubukhulu balesi fol foil esikhethekile kumele balawulwe phakathi 15-30μm. Lapho ukushuba kuyinto <15μm, ukusebenza kwe-electromagnetic (Impahla) IS <40I-, Ukwehluleka ukuvimba ukuphazamiseka kwesiginali kagesi ngaphakathi nangaphandle komzimba (E.g., Umsindo we-electromagnetic ngesikhathi se-MRI Scans). Ngaphezu kwalokho, Lapho ubukhulu budlula 30μm, Isisindo esijwayelekile senzwa (Ukunyuka ngakunye kwe-10μm kunezela i-2.7mg ngesilinganiso sesentimitha), okuholela ekucindezelweni kwezicubu endaweni yokufakelwa (ingcindezi yokucindezela >3hpa, ukweqa umkhawulo wokubekezelela kwezicubu ezithambile).

ICO-C. Imithelela emibi yokufakwa okugcwele okugcwele okugcwele okuphelele kwe-aluminium on ukufakwa lula: Ukuhlaziya okuvela kuMechanical and Operational Perspectives

Lapho ukushuba kwale foil yokufakelwa kwezokwelapha kweqa umkhawulo ongaphezulu wesimo esihambisanayo (E.g., >20μm ngokuhlinzwa okungavamisile kancane, >25μm yokufakelwa ngaphansi kwesikhumba), kunciphisa ukusebenza kalula ezicini ezintathu: “ukwakheka kwedivayisi,” “ukuguquguquka kokufakelwa,” futhi “ukuhambisana kwangemva kokuhlinzwa.” Imithelela ethile ingaqinisekiswa ngedatha yobuningi namamodeli emishini:

(A) Ubunzima Obungeziwe Ekwakhiweni Kwedivayisi kanye Nokwehliswa Ukunemba

1. Ukuncipha kokwenzeka kwe-microfabrication:

Ukuze ucwecwe obukhulu ngokweqile (E.g., >30μm), “etching engalingani” kwenzeka ngesikhathi sokubhobozwa kwe-laser kwezimbobo zokukhishwa kwezidakamizwa (umgodi ububanzi 50-100μm)-i-perpendicularity yodonga lwembobo iyehla isuka ku-90° iye ku-75°, futhi ukuphakama kwe-burr onqenqemeni lwembobo kudlula u-5μm, yehluleka ukuhlangabezana nezidingo ezinembayo ze-USP <1059> kumasistimu okulethwa kwezidakamizwa (ama-burrs ≤2μm). Ngaphezu kwalokho, izinga lokunyathela le-foil eliwugqinsi ngokwedlulele liyehla (ukwakha izinga leziqu 98% ku-20μm ukujiya, ukuwela ku 82% ngi 35m), nemibimbi (ukujula kombimbi >3μm) kungenzeka zakhe, okuholela ekuhlanganisweni kwezidakamizwa okungalingani.

2. Ukubekezelela umhlangano okweqile:

Ukuthatha ama-cartridges ezidakamizwa afakelwayo njengesibonelo, lapho le foil ekhethekile isetshenziswa njengesendlalelo sokubopha phakathi kwecwecwe lekhava nesisekelo se-polymer, ukukhuphuka ngakunye okungu-5μm kokuqina kwayo kuholela ekwandeni kwe-3μm kwegebe lokubopha (ukweqa i-ISO 80369-7 igebe elijwayelekile elingu-≤5μm). Lokhu kubangela ukuthi izinga lokuvuza kwesidakamizwa likhuphuke lisuka <0.1μg/ngosuku kuya >1μg/ngosuku, ukweqa umkhawulo wokuvuza oshiwo ku Izidingo zobuchwepheshe ze-Implantable Drug Delivery Systems (YY/T 0983).

(B) Ukwenyuka Ukumelana Nokufakwa kanye Nengozi Ephakeme Ye-Trauma

1. Ukukhuphuka kokubhoboza nokumelana nokusunduza:

Ngokusho kwefomula ye-fluid mechanics (F=μ×A×v/d, lapho u-μ kuyi-coefficient yokungqubuzana kwezicubu, A indawo yokuxhumana ye-foil, v ijubane eliphushayo, futhi u-d uwububanzi bedivayisi), ngesivinini esiphushayo esifanayo (1mm/s), lapho ubukhulu be-foil bukhuphuka busuka ku-15μm ukuya ku-30μm, ububanzi bedivayisi bukhuphuka ngo-16μm, futhi ukumelana nokusunduza kukhuphuka kusuka ku-0.5N kuya ku-1.2N (okweqa umkhawulo wamandla okusebenza okuhlasela kancane ongu-0.8N kodokotela). Lokhu kubangela kalula imihuzuko odongeni lwemithambo (ukujula kokuklwebheka >10μm, iqala i-intimal hyperplasia).

2. Ukuguquguquka okuncishisiwe nokuguquguquka kokusebenza:

Ukuqina kokugoba (D=CHA, lapho u-E eyimodulus enwebekayo futhi mina ngiwumzuzu we-inertia) yale foil yokufakelwa kwezokwelapha ilingana nekhiyubhu yokuqina kwayo (I∝t³). Lapho ukujiya kukhula kusuka ku-20μm kuya ku-40μm, ukuqina kokugoba kuyanda 8 Izikhathi, okuholela ekwandeni kobubanzi obuncane bokugoba bedivayisi ukusuka ku-5mm kuya ku-15mm. Lokhu kwenza kungenzeki ukudlula emiseleni yokufakelwa kwezingxenye ezigobile njengamadolo namajoyinti endololwane., ukwandisa isikhathi sokuhlinzwa (isandiso esimaphakathi se 20 imizuzu) kanye nobungozi bokuchayeka emisebeni.

(C) Ukuhambelana Kwezicubu Kwangemva Kokuhlinzwa

I-foil ewugqinsi ngokwedlulele (>30μm) inendawo ethile encishisiwe (indawo engaphezulu/umthamo) (kusuka ku-5000cm²/cm³ kuya ku-2500cm²/cm³), ukwehlisa izinga le-tissue encapsulation (isilinganiso se-encapsulation kuphela 60% kwe 4 amasonto ngemuva kokuhlinzwa, uma kuqhathaniswa 90% nge-foil engu-20μm-ugqinsi) futhi icuphe kalula ukusabela okungapheli kokuvuvukala. Ngokusobala, izingxenye zezicubu zibonisa ukuthi ukujula kokungena kwamaseli avuthayo (E.g., ama-macrophages) i-foil ewugqinsi ngokwedlulele ifinyelela ku-100μm, kuyilapho ingama-30μm kuphela eqenjini eliwugqinsi oluvamile, ngokuhambisana nesigaba sokuphendula esivuvukalayo se-ISO 10993-6 (Khuphuka 2 eqenjini eliwugqinsi ngokwedlulele, Khuphuka 0 okweqembu elijwayelekile lokujiya).

Eco-d. Ukulimala Okudalwe Ukupakishwa Okufakelwayo Okufakelwayo Okuncane Kakhulu kwe-Aluminium Foil ukuze Izakhiwo Ezikhishiwe Okuqhubekayo kanye Nokumelana Nokucindezela Kwe-Vivo

Lapho ubukhulu bale foil ekhethekile bungaphansi komkhawulo ophansi wesimo esihambisanayo (E.g., <5μm ngezingqimba zesithiyo, <25μm ukuze uthole ukwesekwa kwesakhiwo), ukwehluleka ukusebenza kwenzeka ngenxa “izakhiwo zemishini ezinganele” futhi “ukucekelwa phansi kobuqotho besakhiwo.” Izingozi ezithile zingaqinisekiswa ngokuhlolwa kwemishini kanye nokuhlolwa kokulingisa kwe-vivo:

(A) Ukungazinzi Kwezakhiwo Ezikhishiwe Okuqhubekayo: Kusukela ekukhishweni kwe-Drug Burst kuya ku-Carrier Fracture

1. Ukwanda okubukhali kwengozi yokukhishwa kwezidakamizwa:

Lapho foil mncane kakhulu (<8μm) isetshenziswa njengesithwali sama-microspheres akhishwa okuqhubekayo, amandla ayo aqinile ehla ukusuka ku-120MPa ukuya ku-80MPa (ngaphansi kwesidingo esincane esingu-100MPa ku-YBB 00152023). Imifantu (ububanzi bokuqhekeka >5μm) ifomu kalula ngesikhathi sokugcwaliswa kwezidakamizwa (ukugcwalisa ingcindezi 0.3MPa), okuholela ekuqhumeni kwezidakamizwa. Ukuhlolwa kokukhishwa kwe-in vitro kubonisa ukuthi izinga lokukhishwa kwezidakamizwa lamahora angu-24 liyakhuphuka lisuka kwelejwayelekile 10% ku 45%, ukweqa umkhawulo wokukhishwa okuqhume (≤20%) ukwakhiwa kokukhishwa okuqhubekayo okucaciswe ku-USP <1724>.

2. Ukwehluleka kwedivayisi okubangelwa ukuphuka kwenkampani yenethiwekhi:

Okolwelwesi olusekelwe kucwecwe lokushayela lwamaphampu ezidakamizwa afakelwayo (ukujiya okuklanyelwe 15μm), uma ukujiya kuncishiswe ku-10μm, impilo yayo yokukhathala iyehla isuka kumijikelezo engu-10⁶ iye emijikelezweni engu-3×10⁵ (ngaphansi kwemfuneko yesevisi yeminyaka emi-5 yamadivayisi afakelwayo, okudinga 1.8×10⁶ imijikelezo esekelwe 100 ukwenza kusebenze kwansuku zonke). Ukuphuka kwenzeka 1 ngonyaka ngemuva kokuhlinzwa, ukuvimbela ukukhishwa kwezidakamizwa okuvamile futhi kudinga ukuhlinzwa kwesibili ukuze kususwe.

(B) Ukulahleka Kwe-In Vivo Pressure Resistance: Ukusuka Ekuguqulweni Kwesakhiwo kuya Ekugoqeni Okuphelele

Ingcindezi iyahluka kakhulu ezingxenyeni ezahlukene zomzimba (umfutho wegazi we-arterial 120/80mmHg≈16kPa, umfutho we-subcutaneous tissue 3-5kPa, umfutho we-lumen emathunjini ngu-5-10kPa). I-foil ezacile kakhulu ayikwazi ukumelana nalezi zingcindezi, ngokubonakaliswa okuqondile kanje:

1. Izimo ze-intravascular: Ukuwohloka kwesakhiwo okuvimbela iziteshi zezidakamizwa

Uma i-foil enamathelayo ye-stent-eluting stent (ukujiya okuklanyelwe 12μm) iyancipha ibe ngu-8μm, izinga lokuguqulwa kwe-radial le-foil likhuphuka lisuka 5% ku 25% ngaphansi kwe-arterial systolic pressure (16hpa) (ngokuya ngefomula yokucindezela kwefilimu elincanyana σ=p×r/t, lapho u-σ kuyi-stress, p ingcindezi, r iyirediyasi eqinile, futhi u-t uwugqinsi lwe-foil). Lokhu kubangela ukuvaleka kwezimbobo zokukhishwa kwezidakamizwa (ububanzi 50μm) (izinga lokuvinjwa >60%), futhi izinga le-in-stent restenosis liyakhuphuka lisuka 5% ku 20%.

2. Izimo ezingaphansi kwesikhumba: Ukuqhekeka kwesendlalelo sokuvimbela okubangela ukungena koketshezi lomzimba

Uma i i-foil barrier layer ye-cartridge yesidakamizwa esingaphansi kwesikhumba (ukujiya okuklanyelwe 10μm) iyancipha ibe ngu-5μm, izinga lokudlulisa umoya-mpilo liyakhuphuka lisuka ku-0.05cm³/(m² · 24h · 0.1MPA) kufika ku-0.2cm³/(m² · 24h · 0.1MPA). Okwamanje, ama-mainholes (indawo yokuvula >2μm) ifomu ngaphansi kwengcindezi ye-subcutaneous (5hpa), ukuvumela uketshezi lomzimba ukuthi lungene kukhatriji futhi kubangele ukuwohloka kwezidakamizwa (E.g., >30% ukuncipha kwe-insulin potency ngaphakathi 30 izinsuku).

3. Izimo zesisu: Ukuhlakazeka kwesakhiwo okubangela ubungozi bomzimba wangaphandle

Uma uhlaka lwe-foil lwesistimu yokulethwa kwezidakamizwa zesisu esifakwe emathunjini (ukujiya okuklanyelwe 30μm) iyancipha ibe ngu-20μm, izinga lokuhlakazeka kohlaka liyafinyelela 30% ngaphansi kwengcindezi ye-lumen emathunjini (10hpa) (uma kuqhathaniswa kuphela 5% eqenjini ukujiya evamile). Izingcezu ze-foil ezihlakaziwe (usayizi 5-10μm) kungase kubangele ukulimala kwe-mucosal emathunjini, ngokuvumelana ne “ingozi engenzeka emzimbeni wangaphandle” ukuhlelwa kwe-ISO 10993-1 (Ikilasi 2 eqenjini elincanyana kakhulu, Ikilasi 0 okweqembu elijwayelekile lokujiya).

Eco-e. Amasu Okuthuthukisa Ukuqina Okufakwa Kufakwe I-Aluminium Foil: Ukulinganisa Ukusebenza Nezimfuneko

Ukubhekana nokungqubuzana okuyinhloko kokulawula ukushuba, izixazululo kufanele ziphakanyiswe kusuka kubukhulu obuthathu: “ukuguqulwa kwezinto,” “umklamo wesakhiwo,” futhi “Inqubo yokwenza kahle” ukuze kuzuzwe synergy phakathi “ukuncipha” futhi “ukusebenza okuphezulu” yale foil yokufakelwa kwezokwelapha:

(A) Ukuguqulwa Kwezinto Ezibalulekile: Ukuthuthukisa Izakhiwo Zemishini Ye-Foil Encane

1. Ukuqinisa i-Microalloying: Ukungeza 0.1-0.2% Zr (i-zirconium) kuya ekuhlanzekeni okuphezulu kwe-aluminium amafomu i-Al₃Zr dispersoids, ukukhulisa amandla okunyakazisa we-foil engu-8μm-thick isuka ku-80MPa iye ku-120MPa ngenkathi igcina ubude be- 15%, ukuhlangabezana nezidingo zokwesekwa kwesakhiwo. Ngaphezu kwalokho, ukungezwa kwe-Zr kunciphisa izinga lokuchithwa kwe-vivo ye-foil (kusukela ku-0.5μg/cm²·usuku ukuya ku-0.1μg/cm²·usuku), ukuthobelana nemikhawulo eyisisekelo yokungcola ye-USP <232>.

2. Ukuthuthukisa inqubo yokwelashwa kokushisa: Ukwamukela a “ukwehlisa izinga lokushisa eliphansi (150℃×2h) + ukugoqa okubandayo (30% ukunciphisa)” inqubo ikhulisa impilo yokukhathala egobayo ye-foil engu-10μm-ugqinsi ukusuka kumjikelezo ongu-5×10⁵ kuye kumjikelezo ongu-1.2×10⁶, ukugwema ukuphuka kokugoba ngemva kokufakwa.

(B) Idizayini Yesakhiwo: Ukushintsha I-Foil Eyodwa Ngezakhiwo Ezihlanganisiwe

1. Isendlalelo esiyinhlanganisela ye-foil-polymer: Isakhiwo esiyinhlanganisela ye “5μm ucwecwe olukhethekile + 10μm PEEK (i-polyetherketone)” ithatha indawo yefoil ye-aluminium ehlanzekile engu-20μm. Isakhiwo esiyinhlanganisela sinamandla aqinile we-180MPa (1.5 izikhathi ze-foil ehlanzekile), i-radius egobayo yehliselwe ku-3mm (ukuzivumelanisa neziteshi ezingavamisile kancane), kanye nezinga lokudlulisa umoya-mpilo ≤0.03cm³/(m² · 24h · 0.1MPA), esesisetshenziswe esizukulwaneni esisha sama-stents a-eluting drug.

2. Isakhiwo sokuqinisa ikhekheba lezinyosi: I-laser etching isetshenziselwa ukwakha i-micro-structure yekhekheba lezinyosi (umgodi ububanzi 10μm, ukujula komgodi 5μm) phezu kwale foil yokufakelwa kwezokwelapha. Lokhu kwandisa amandla okucindezela ama-radial we-foil engu-15μm-ugqinsi ukusuka ku-10kPa ukuya ku-25kPa, okuyenza ikwazi ukumelana nomfutho wegazi we-arterial (16hpa), ngenkathi kunciphisa isisindo by 20% kanye nokunciphisa ingozi yokucindezelwa kwezicubu.

(C) Inqubo yokwenza kahle: Ukuthuthukisa Ukuqina Nokufana Nokunemba

1. Inqubo yokugoqa enembe kakhulu: Kusetshenziswa isigayo esigoqayo esibanda kakhulu esingama-20 (amandla okugoqa 500kN, isivinini sokugoqa 100m/min) inciphisa ukubekezelela ukushuba kwale foil ekhethekile isuka ku-±1.0μm iye ku-±0.5μm, ukugwema ukujiya noma ukuzaca kwendawo. Okwamanje, “inthanethi laser ukujiya isilinganiso” (imvamisa yesampula 1000Hz) isetshenziswa ngesikhathi sokuginqika ukuze kulungiswe amapharamitha ahambayo ngesikhathi sangempela, ukuthola ukujiya okufanayo kwe 95% (uma kuqhathaniswa 85% ngezinqubo zendabuko).

2. Inqubo yokunquma unqenqema ngemuva kokucubungula: Ukufakwa kwe-plasma (amandla 500W, isivinini sokuvala 5mm/s) isetshenziselwa ukususa ama-burrs emaphethelweni we-foil (ukunciphisa ukusuka ku-5μm kuya ku-1μm), uqinisekisa ukuthi akukho ukuklwebheka kwezicubu ngesikhathi sokufakelwa.

Eco-f. Isiphetho

Ukulawula ukushuba kwe Ukupakishwa okufakwayo kwe-aluminium foil kufanele ilandele ngokuqinile Ibanga lezinga le-micron lika-5-50μm, enogqinsi oluhlukene (8-15µm/5-15µm/25-50µm) ngokusekelwe ezimweni ezifana “ukuzivumelanisa nokuhlinzwa okungavamisile kancane,” “umgoqo wokukhululwa okuqhubekayo,” futhi “ukwesekwa kwesakhiwo.” I-foil ewugqinsi ngokwedlulele ithinta ukunethezeka kokufakelwa ngokwandisa ukumelana nokusebenza, ukunciphisa ukuguquguquka, kanye nokuwohloka kokuhambisana kwezicubu; i-foil ezacile ngokweqile ibangela ukungazinzi kwezakhiwo ezikhishwa njalo kanye nokwehluleka kokumelana nokucindezela kwe-vivo ngenxa yezakhiwo ezinganele zemishini.. Esikhathini esizayo, ngokusebenzisa i-synergistic emisha ye “izinto microalloyed + idizayini yesakhiwo esiyinhlanganisela + izinqubo zokugoqa ezinembe kakhulu,” ububanzi bokujiya baleli cwecwe elikhethekile lingancishiswa ngokuqhubekayo (E.g., 3-30μm) ukuzuza impumelelo ye “ukushuba mncane + ukusebenza okuphezulu,” ukukhuthaza ukuthuthukiswa kwemishini yezokwelapha efakelwayo ibheke “ihlasela kancane futhi ithatha isikhathi eside” izixazululo.

Isimiso Esiyinhloko: Ukukhethwa kokuqina kwale foil yokufakelwa kwezokwelapha empeleni kuyibhalansi engunxantathu we “izidingo zokusebenza – izakhiwo zemishini – lula ukusebenza.” Kufanele isekelwe kumazinga emboni, kuhlanganiswe nendawo yokucindezela yendawo ethile yokufakelwa kanye nobukhulu bomzila wokusebenza, futhi kunqunywa ngezibalo zobuningi (E.g., ukugoba ifomula yokuqina, imodeli ye-pressure-deformation) ukuze ugweme ukukhethwa kwe-empirical.