Tsinkaye na bambance-bambance tsakanin hot-birgima da sanyi-birgima aluminium diski: Tasirin kan riguna na kauri, Rufin infesion, da aikin zafi

HW-A. Shigowa da: Bayanin Aikace-aikacen Tukwane na ciki na Aluminum da Abubuwan da suka danganci tsari

Aluminum tukwane na ciki ana amfani da su sosai a cikin kayan dafa abinci kamar dafaffen shinkafa, Cookers Cookers Cookers, da vacuum thermos flasks. Shahararsu ta samo asali ne daga “mara nauyi, uniform zafi conduction, da tsari mai kyau” halaye.

Daga cikin wadannan aikace-aikace, Rice cooker ciki tukwane lissafi ya wuce 60% na kasuwa. A bayyane, in 2024, girman kasuwar duniya fayafai na aluminum don tukwane na ciki mai dafa shinkafa kai 5.2 yuan tiriliyan (tushe: Ƙungiyar Masana'antar Karfe ta China Nonferrous Metals Association), yana nuna mahimmancin rawar waɗannan albarkatun ƙasa a cikin masana'antu.

Yawancin tukwane masu dafa shinkafa daga ciki ana yin su fayafai na aluminum don tukwane na ciki mai dafa shinkafa ta hanyar matakai hudu: “blanking → mikewa kafa → annealing → tsarawa”. Musamman, wannan sarkar tsari kai tsaye yana ƙayyade ingancin ƙarshe na tukunyar ciki.

Mahimman alamun ingancin su sun haɗa da maɓalli biyu masu mahimmanci: ① Daidaitaccen kaurin bango (haƙuri ≤5%, daidai da QB/T 4099 Aluminum da Aluminum Alloy Tukwane na ciki don Gida da makamantansu na'urorin dumama lantarki); ② Bakin bangon waje (Ra ≤0.8μm). Waɗannan alamomi guda biyu ba za su iya yin sulhu ba don tabbatar da aiki.

A bayyane, waɗannan alamomi guda biyu kai tsaye suna ƙayyade mannewar rufin rufin-yawanci kumfa polyurethane ko ingantaccen resin phenolic.. Suna kara yin tasiri ga aikin sarrafa zafin jiki na masu dafa shinkafa, wanda yake bukata sosai “zazzabi sauke ≤5 ℃ bayan 12h rufi a 60 ℃”.

Binciken masana'antu ya nuna cewa kusan 23% Masu kera tukunyar tukunyar shinkafa sun fuskanci karkacewar kaurin bango fiye da kima (>8%). Mahimmanci, wannan batu ya taso daga amfani fayafai na aluminum don tukwane na ciki mai dafa shinkafa samar da daban-daban mirgina matakai, yana nuna alaƙa tsakanin ɗanyen abu 工艺 da ingancin samfur.

Matsakaicin kauri na bango yana haifar da gibin gida na 0.1-0.3mm a cikin rufin rufin.. Yana kuma haifar da a 15%-25% raguwa a cikin aikin rufewar thermal, kai tsaye tasiri gwaninta mai amfani.

Babban batun yana cikin bambance-bambancen rabon kunne. Fayafai na aluminum don tukwane na ciki na dafa shinkafa wanda aka samar ta hanyar mirgina mai zafi da sanyi suna da ma'auni daban-daban na kunne saboda bambancin yanayin zafi, adadin nakasawa, da kuma daidaitawar hatsi.

Wannan siga kai tsaye yana mamaye daidaiton kwararar filastik yayin ƙirƙirar shimfidar wuri. Daga karshe, yana haifar da karkatar da kauri na bango da batutuwan mannewa Layer Layer. Bincike mai zurfi daga giciye-hankali na sarrafa kayan aiki da ka'idojin injiniya na thermal don haka ya zama dole don magance wannan kalubale..

Hw-b. Babban Bambance-Bambance Tsakanin Tsarin Juyi Mai zafi da Sanyi don Fayafai na Aluminum don Tukwane Mai dafa shinkafa na ciki da Tsarin Samar da Ratio na Ji.

Adadin kunne shine maɓalli mai nuna alama don kimanta anisotropy na aluminum fayafai ga mai dafa shinkafa tukwane na ciki a lokacin mike kafa. Yana aiki azaman ma'auni mai mahimmanci don dacewa da albarkatun ƙasa.

An siffanta shi da “rabon tsayin kunnuwa akan sashin da aka shimfiɗa zuwa matsakaicin tsayin ƙasa”. Masana'antu yawanci suna buƙatar rabon samun kuɗi na ≤3% don fayafai na aluminum don tukwane na ciki mai dafa shinkafa, kamar yadda mafi girma rabo kai ga forming lahani.

Bambance-bambancen rabon kunne ya taso daga tasirin tsari daban-daban na tsarin mirgina zafi da sanyi. Musamman, waɗannan hanyoyin suna tasiri microstructure (hatsi fuskantarwa, nau'in rubutu) na fayafai na aluminum don tukwane na ciki mai dafa shinkafa ta hanyoyi daban-daban, haifar da bambancin aiki.

(A) Kwatanta Maɓallin Maɓalli Tsakanin Zafafan Juyi da Tsari-tsare-Tsaro (Ɗaukar Ƙa'idar Aluminum na gama gari 1060 kuma 3003 don Tukwane Mai dafa shinkafa a matsayin Misalai)

(B) Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararru

1. Bambance-bambancen Hannun Hatsi:

• • Na farko, a lokacin zafi-mirgina tsari, m recrystalization na fayafai na aluminum don tukwane na ciki mai dafa shinkafa yana faruwa a yanayin zafi. Wannan yana haifar da ingantacciyar dabarar hatsi tare da birgima (RD) da karkatacciyar hanya (TD), rashin daidaiton shugabanci.

• • Sakamakon haka, rauni ne kawai {111}<110> rubutu an kafa. Wannan tsarin yana haifar da bambance-bambance masu mahimmanci a cikin juriya na kwararar filastik a wurare daban-daban yayin shimfida shimfidar wuri. Misali, elongation a cikin RD shugabanci ne 8%-12% sama da haka a cikin hanyar TD.

• • Wannan rashin daidaituwar kwarara cikin sauƙi yana bayyana a bayyane “kunnuwa” (Tsawon tsayi 0.2-0.5mm) a cikin 45 ° ko 0 ° shugabanci. Irin waɗannan kunnuwa sun kasa cika ƙa'idodin samar da tukwane mai dafa shinkafa, kara lahani kasada.

• • Da bambanci, tsarin jujjuyawar sanyi ya haɗa da jujjuyawar ƙarancin zafin jiki da yawa (yawanci 3-5 wucewa). Wannan tilasta nakasawa ya tilasta wa hatsin waɗannan fayafai na aluminium su daidaita zuwa takamaiman kwatance, haifar da oda microstructures.

• • An kafa nau'i biyu masu ƙarfi: “nau'in cube” ({100}<011>) kuma “rubutun tagulla” ({112}<110>). The synergistic effect of these two textures reduces the difference in elongation between different directions to 3%-5%, gagarumin cigaba akan fayafai masu zafi.

• • Wannan gagarumin raguwa a cikin bambancin elongation yana rage yawan adadin kunne, yin fayafai masu sanyi da suka dace da daidaitaccen shimfidar tukwane na tukwane mai dafa shinkafa, musamman don samfurori masu inganci.

2. Yawan Ragewa da Rage Damuwa:

Matsakaicin rarrabuwar kawuna na waɗannan fayafai na aluminium yayin mirgina sanyi (10¹⁴-10¹⁵ m⁻²) yana da yawa fiye da haka a lokacin zafi-mirgina (10¹²-10¹³ m⁻²). Wannan mafi girman yawa yana ba da gudummawa ga ingantaccen kwanciyar hankali na inji.

Bugu da kari, Fayafai masu sanyi suna da mafi daidaitattun rarraba ragowar damuwa, wanda ke rage rashin daidaituwar nakasawa yayin haɓakar nakasawa na gaba.

Duk da haka, idan fayafai na aluminum don tukwane na ciki mai dafa shinkafa sha rashin isassun annealing a lokacin zafi-mirgina (e.g., rike lokaci <2h), Matsakaicin damuwa na gida zai faru a iyakokin hatsi. Wannan babban haɗari ne mai ɓoye don sarrafawa na gaba.

Wannan maida hankali na danniya yana kara tsananta nakasar da ba ta dace ba yayin da ake kafawa. Yana ƙara ma'aunin kunne kuma yana haifar da haɗarin haifar da lahani a cikin tukunyar dafa abinci na ciki, kamar tsagewa ko katanga marasa daidaituwa.

Hw-c. Ƙirƙirar Injini da Ƙididdigar Ƙididdigar Ƙaƙƙarfan Ƙaƙƙarfan bango a cikin Tukwane na Rice Cooker na ciki wanda ya haifar da bambance-bambancen rabon kunne.

A mike kafa na shinkafa cooker ciki tukwane daga fayafai na aluminum don tukwane na ciki mai dafa shinkafa shine ainihin tsarin nakasar filastik. Ya ƙunshi “radial mikewa + bakin ciki axial”, tare da rabon kunne ya zama ƙaƙƙarfan dalili a cikin nakasar daidaituwa.

Bambance-bambancen rabon kunne kai tsaye yana haifar da rashin daidaituwar kaurin bango ta hanyar “anisotropy na kwararar filastik”. Musamman, Abubuwan da ke biyo baya da bayanai masu ƙididdigewa suna kwatanta wannan dangantakar a fili:

(A) Rarraba Kaurin bango na Tukwanan Ciki Mai dafa shinkafa Karkashin Matsakaicin Ji Daban-daban

(B) Dokar Juyin Juyin Kaurin bango yayin Samar da Ƙarfafa

Ɗaukar babban tukunyar tukunyar shinkafa na ciki a matsayin misali-tare da diamita na 220mm da kauri na farko na waɗannan fayafai na aluminium a 1.5mm-ƙananan bincike. (ABAQUS) kuma an yi amfani da tabbacin gwaji don samun rarraba kauri na bango. Wannan binciken yana ba da cikakkun bayanai game da aikin zahirin duniya.

1. Fayafai na Aluminum Mai Sanyi don Tukwane na Cikin Gida (Rabon kunne 2.0%):

• • Bayan mike kafa, kaurin bangon tukunyar ciki na kasa (yanki tare da mafi ƙarancin damuwa) Ya bambanta daga 1.45 zuwa 1.50 mm, yana nuna ɗan bambanci.

• • Bangon gefe (babban nakasa yankin) yana da kauri na 1.20-1.30mm, rike da kyau uniformity.

• • Kunnuwa (45° hanya) auna 1.15-1.20mm a cikin kauri, tare da ɓacin rai kaɗan.

• • Matsakaicin kauri daga bango shine ≤8% (1.50mm 1.15 mm). Wannan ya dace da abin da ake bukata na “Rashin kaurin bango na tukunyar shinkafa na ciki ≤10%” da QB/T 4099, tabbatar da bin ka'idojin masana'antu.

2. Fayafai na Aluminum masu zafi don Tukwane na Cikin Gida (Rabon kunne 4.5%):

• • Kaurin bangon ƙasa ya bambanta daga 1.48-1.52mm, in mun gwada da barga saboda ƙananan damuwa.

• • Kaurin bangon gefe shine 1.10-1.25mm, tare da babban bambanci idan aka kwatanta da fayafai masu sanyi.

• • Kunnuwa (0°/90° hanya) sun fi bakin ciki sosai, da 0.95-1.05mm, sakamakon rashin daidaiton kwararar filastik.

• • Matsakaicin kauri bango ya kai 37% (1.52mm 0.95 mm), nisa ya zarce iyakar ma'auni. Ba za a yarda da wannan ƙetare ga masu dafa abinci na shinkafa ba.

• • Bugu da kari, yankin kunne yana da saurin fashewa yayin siffatawa ta gaba. Rashin lahani na tukunyar dafa abinci na ciki ya kai 12%, haifar da gagarumin asarar samarwa.

(C) Babban Dalilin Rashin Kaurin bango: “Tasirin Bakin Cikin Gida” Rabon Earing ne ya mamaye shi

A cewar hukumar “Hill anisotropic ma'aunin yawan amfanin ƙasa” a cikin kayan makanikai, Dangantakar da ke tsakanin bambancin bangon kauri Δt da elongation ε na waɗannan fayafai na aluminium yayin shimfidawa shine: Δt = t₀×(1-e) (inda t₀ shine farkon kauri). Wannan dabara tana ƙididdige hanyar haɗin gwiwa tsakanin elongation da canjin kauri.

Asali, high earing rabo nuna babban bambanci a elongation ε tsakanin daban-daban kwatance. Wannan rashin daidaituwar shugabanci yana fassara kai tsaye zuwa kauri mara daidaituwa.

Domin fayafai na aluminum masu zafi, ε_max (hanyar kunne) shine 15%-20% sama da ε_min (ba hanyar kunne ba). Wannan babban bambance-bambance yana haifar da mafi girman Δt da kaurin bango a cikin yankin kunne, halitta a “sakamako na bakin ciki na gida”.

Don fayafai na aluminum mai sanyi, bambanci tsakanin ε_max da ε_min ne kawai 5%-8%. Wannan ƙananan bambancin yana haifar da rarraba Δt iri ɗaya da ƙananan kauri na bango, daidaita tare da aikin buƙatun masu dafa shinkafa.

Wannan kauri mai kauri ya fi dacewa da daidaitaccen buƙatun sarrafa zafi na tukwane na ciki, kamar yadda bangon da bai dace ba zai iya haifar da zafi yayin dafa abinci.

Bugu da kari, da m hatsi (50-80μm) na fayafai na aluminium masu zafi suna da sauƙi “zamewar intergranular” a lokacin mike kafa. Wannan ƙananan al'amari yana ƙara rashin daidaituwa na macroscopic.

Wannan zamewar yana haifar da “wavy undulations” a kaurin bangon gida (karkace 0.05-0.10mm). Yana kara tsananta rashin daidaituwa kuma yana shafar daidaiton mannewa tsakanin tukunyar tukunyar shinkafa da farantin dumama., mai yuwuwar rage aikin dumama.

Hw-d. Tasirin Rashin Daidaituwar Kaurin bango akan mannewar Layer na Insulation da Ayyukan Ciwon zafi na Masu dafa shinkafa.

“mannewa mara tazara” tsakanin tukunyar tukunyar shinkafa na ciki da kuma rufin rufi yana da mahimmanci don tabbatar da aikin insulation.. Ba tare da dacewa da mannewa ba, asarar zafi yana ƙaruwa sosai, lalata ainihin aikin samfurin.

Rashin daidaituwar kaurin bango yana lalata aikin rufin zafi ta hanyar na'ura biyu: “haɓakar rata → canji a hanyar tafiyar da zafi”. Binciken da ke gaba ya rushe wannan tsarin daki-daki:

(A) Kwatancen Ayyukan Kayan Wuta na Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙaƙƙarfan bango Daban-daban

(B) Lalacewa ga Manne Layer Insulation

Na kowa rufi Layer ga shinkafa dafa shi ne “polyurethane kumfa” (nauyi 35kg/m³, thermal conductivity λ=0.022 W/(MİI K)). Ƙarƙashin ƙarancin wutar lantarki ya sa ya dace don rufi, amma wannan fa'ida ta ɓace idan mannewa mara kyau.

Mannewarsa ya dogara da daidaitaccen kauri da kaurin bango na bangon waje na tukunyar ciki. Wannan an ƙaddara kai tsaye ta hanyar rabon kunne na fayafai na aluminum don tukwane na ciki mai dafa shinkafa, ƙirƙirar sarkar bayyanannen dalili da sakamako.

1. Tukwane na Ciki Anyi da Fayafai na Aluminum (Rage Kaurin bango 8%):

• • Rashin bangon waje Ra shine 0.5-0.6μm, ba tare da fitowa fili ko damuwa ba, samar da m surface ga mannewa.

• • Bayan kumfa, tazarar dake tsakanin rufin rufin da tukunyar ciki shine ≤0.05mm. Adadin adhesion shine ≥98%, tabbatar da kusan cikakkiyar tuntuɓar juna.

• • Kauri daga cikin iska Layer a cikin rata ne m, saduwa da dogon lokacin da ake bukata na thermal rufi da ake bukata na shinkafa dafa abinci da kuma kiyaye daidaitaccen aiki a kan lokaci.

2. Tukwane na ciki Anyi da Fayafai na Aluminum masu zafi (Rage Kaurin bango 37%):

• • Sakamakon kaurin bango da ya wuce kima a yankin kunne, “cikin gida depressions” siffan bayan siffa. Wadannan depressions suna da zurfin 0.15-0.30mm, haifar da shinge na jiki don mannewa.

• • Rashin bangon waje Ra yana ƙaruwa zuwa 1.2-1.5μm, kara rage wurin tuntuɓar juna tsakanin rufin rufi da tukunyar ciki.

• • A lokacin kumfa, polyurethane ba zai iya cika damuwa ba. Wannan yana haifar da raƙuman Layer na iska na 0.10-0.25mm, wanda ke aiki azaman tashoshi na canja wurin zafi.

• • Adadin mannewa shine kawai 82%. An tattara rata a cikin yankin kunne - wurin musayar zafi mai aiki na tukunyar tukunyar shinkafa - kai tsaye yana shafar aikin rufin zafi kuma yana haifar da asarar zafi mai sauri..

3. Tasirin Gibin Layer na iska akan Asarar thermal:

Layer na iska a cikin gibba yana da tasirin thermal λ_air = 0.026 W /(MİI K), dan kadan sama da na polyurethane. Yayin da wannan bambanci kadan ne, tasirinsa yana ƙaruwa ta hanyar convection.

kuma an haɗa lissafin da ke ƙara ma rabon iko, iskar da ke cikin ratar tana haifar da juzu'i na yanayi saboda bambance-bambancen yanayin zafi (gudun gudun 0.1-0.3m/s). Wannan convection yana inganta canjin zafi sosai, nisa fiye da a tsaye conduction.

Wannan convection yana ƙara ƙarfin canja wurin zafi mai ɗaukar nauyi h daga 0.5 W /(m²·K) (babu tazara) ku 2.5 W /(m²·K), karuwa sau biyar.

Yana kaiwa zuwa a 3-4 ninka karuwa a cikin asarar zafi, yana raunana tasirin mai zafi na mai dafa shinkafa da kuma kasa cimma tsammanin masu amfani don riƙe zafi na dogon lokaci..

Hw-e. Hanyoyin Haɓaka Tsari: Sarrafa Ratio na Ji da Ingantacciyar Ingantawa don Fayafai na Aluminum don Tukwane na Cikin Gida

Don magance lahanin rabon kunne na zafi-birgima fayafai na aluminum don tukwane na ciki mai dafa shinkafa, ana buƙatar ingantawa da aka yi niyya. Hanya daya-daya-daidai ba ta da tasiri; maimakon haka, mafita dole ne a keɓance su da takamaiman abubuwan da ke haifar da hauhawar yawan kuɗaɗe.

Ya kamata mafita su haɗu da buƙatun samar da tukwane na tukunyar shinkafa tare da mai da hankali kan abubuwa uku: “daidaita siga tsari”, “pretreatment ingantawa”, kuma “inganta tsari ingantawa”. Ana tabbatar da ƙayyadaddun hanyoyin da ke biyowa don yin tasiri a cikin ayyukan masana'antu:

(A) Maɓallin Maɓalli na Fayafai na Aluminum Kafin da Bayan Ingantaccen Tsari

(B) Haɓaka Tsarin Birgima don Raw Aluminum Fayafai

1. Ingantaccen Tsarin Juyi Mai zafi:

• • Domin fayafai na aluminum don tukwane na ciki mai dafa shinkafa, dauko “Multi-pass low-zazzabi zafi-mirgina”. Matsakaicin zafin jiki na farko shine 450 ℃, yana raguwa zuwa 350 ℃ a jere. Wannan rage zafin jiki na sannu-sannu yana sarrafa ƙimar recrystallization da haɓakar hatsi.

• • Wannan tsarin yana rage ƙwanƙwasa hatsi wanda ke haifar da recrystallization mai ƙarfi. Ana sarrafa girman hatsi zuwa 30-40μm, kewayon da ke daidaita ƙarfi da tsari.

• • Ƙara “matsakaita annealing” (380℃×3h) don kawar da saura danniya. Wannan matakin yana da mahimmanci don rage damuwa a iyakokin hatsi.

• • Sakamakon haka, an rage adadin kunnen waɗannan fayafai na aluminum daga 4.5% zuwa kasa 3.0%, sanya su dace da asali na shinkafa dafa abinci na ciki samar da tukunya.

2. Haɓaka Tsari-Rolling:

• • Don tukunyar tukwane mai tsaka-tsakin shinkafa (0.8-1.5mm), dauko “5-wuce sanyi-birgima” tare da jimlar nakasawa kudi na 70%. Juyawa da yawa yana tabbatar da nakasar iri ɗaya ba tare da wuce gona da iri ba.

• • Sarrafa ƙimar nakasar kowace wucewa zuwa 15%-20%. Wannan matsakaicin nakasawa yana haɓaka ƙarfin rubutun kube na waɗannan fayafai na aluminum, wanda shine mabuɗin don rage anisotropy.

• • Daidaita yanayin zafi na ƙarshe zuwa 320 ℃ × 2h don daidaitawa da yawa.. Wannan matakin yana daidaita ƙananan ƙananan ƙwayoyin cuta kuma yana hana nakasawa bayan kafa.

• • Saboda, an daidaita rabon kunnen waɗannan fayafai na aluminum a 1.5%-2.0%, dace da samar da madaidaicin tukwane mai dafa shinkafa na ciki waɗanda ke buƙatar tsananin kauri iri ɗaya.

3. Pretreatment da Samar da Ingantaccen Tsari:

• • Don zafi-birgima fayafai na aluminum don tukwane na ciki mai dafa shinkafa, add a “10% gabanin mikewa” mataki. Wannan pre-lalata yana daidaita yanayin yanayin hatsi kuma yana rage anisotropy, shirya kayan don m forming.

• • Canja mizani na al'adar wucewa ɗaya zuwa “2-wuce mike kafa + matsakaita annealing”. Wannan tarwatsa tsarin nakasawa yana rage damuwa na gida kuma yana rage bakin ciki a yankin kunne.

HW-F. Shari'ar Aikace-aikacen Masana'antu: Ayyukan Haɓaka Tsari na Raw Aluminum Fayafai a cikin Kasuwancin Mai dafa shinkafa

Babban kamfani mai dafa abinci na gida - tare da fitowar shekara-shekara na 5 raka'a miliyan-sun fuskanci matsaloli masu mahimmanci a ciki 2023. Waɗannan matsalolin ba kawai sun shafi ingancin samfur ba amma kuma sun haifar da asarar kuɗi mai yawa.

Kamfanin ya yi amfani da kayan aiki mai zafi fayafai na aluminum don tukwane na ciki mai dafa shinkafa don samar da tukwane na ciki. Manyan matsaloli guda biyu sun bayyana:

① Kaurin bango mara daidaituwa ya haifar da mannewa mara kyau na rufi. Musamman, masu amfani sun ruwaito cewa “An rage lokacin rufewa na tukunyar shinkafa daga 12h zuwa 8h”, bayyanannen alamar gazawar aiki.

② Yawan fashewar da ke cikin yankin kunne ya kai 12%, yana haifar da asarar sama da shekara 8 Miliyan Yuan. Wannan ƙimar lahani ba ta dawwama don samarwa da yawa.

Domin warware wadannan batutuwa, Kamfanin ya aiwatar da matakan ingantawa guda uku, kowanne yana magance takamaiman tushen dalili:

1. Raw Material Process Sauyawa: Sauya zafi-birgima fayafai na aluminum don tukwane na ciki mai dafa shinkafa (rabon kunne 4.2%) tare da masu sanyi (rabon kunne 2.1%). Ƙara a 10% Magani na farko don ƙara rage anisotropy.

2. Daidaita Tsari Tsari: Daidai da halayen waɗannan fayafai na aluminum, dauko “2-wuce mike kafa + matsakaita annealing” don rage bakin ciki na gida da haɗari.

3. Inganta Tsarin Tsarin dubawa: Gabatar da ma'aunin kauri na Laser da gano aibi na ultrasonic. Gudanarwa 100% dubawa a kan tukwane na ciki da aka yi daga kowane rukuni na waɗannan fayafai na aluminum don kama lahani da wuri.

Ingantawa ya sami sakamako mai mahimmanci, tabbatar da ingancin matakan:

• A bayyane, an sarrafa kaurin bangon tukunyar tukunyar shinkafa a ciki 8%, saduwa da matsayin masana'antu.

• Adadin mannewa Layer ya kai ≥97%, maido da aikin insulation na samfurin.

• Ruwan zafin jiki bayan 12h rufi ya karu daga 63 ℃ zuwa 74 ℃, wuce tsammanin masu amfani.

• Korafe-korafen mai amfani ya ragu ta 90%, inganta iri suna da kuma abokin ciniki gamsuwa.

• Canved Cost na shekara-shekara 6.5 Miliyan Yuan, kai tsaye inganta riba.

• Mai ma'ana, ƙimar amfani da albarkatun ƙasa na waɗannan fayafai na aluminum ya ƙaru da 5%, rage sharar gida da tasirin muhalli.

HW-G. Kammalawa da Outlook

(A) Core ƙarshe

Gabaɗaya, a lokacin mike kafa na shinkafa cooker ciki tukwane daga fayafai na aluminum don tukwane na ciki mai dafa shinkafa, bambance-bambancen rabon kunnen tsakanin zafi-mirgina da tsarin mirgina sanyi sune tushen dalilin babban kaurin bangon rashin daidaituwa. Wannan ƙarshe yana goyan bayan duka bayanan gwaji da aikin masana'antu.

Fayafai masu zafi suna da rabon kunne na 3.0%-5.5%, yayin da fayafai masu sanyi ke fitowa daga 1.5%-3.0%. Wannan bambance-bambancen ya isa ya haifar da lahani na aiki.

Wannan bambancin yana haifar da anisotropy na kwararar filastik. Musamman, Tukwane na ciki da aka yi daga fayafai na aluminum masu zafi suna da matsakaicin kauri na bango har zuwa 37%, wuce gona da iri na masana'antu da mayar da samfurin baya aiki.

Da bambanci, Tukwane na ciki da aka yi daga fayafai na alumini masu sanyi suna da sabani na ≤8%, saduwa da buƙatun da tabbatar da daidaiton aiki.

Rashin daidaituwar kaurin bango yana ƙara lalata mannewar rufin rufin: adhesion rate ne 82% don fayafai masu zafi da kuma 98% ga masu sanyi. Wannan bambance-bambancen yana fassara kai tsaye zuwa gibin aikin rufewar thermal.

Har ila yau, yana ƙara asarar zafi ta hanyar convection a cikin raƙuman Layer na iska, kai ga a 23% ko ƙarin raguwa a cikin aikin iskar zafi na masu dafa shinkafa. Wannan asarar aikin ba shi da karbuwa ga samfuran mabukaci.

(B) Jagoran Bincike na gaba

Zuwa gaba, Bincike mai zurfi akan waɗannan fayafai na aluminium yakamata su mayar da hankali kan abubuwa uku don haɓaka ci gaba:

① Haɓaka a “zafi-mirgina + tsari mai hadewar sanyi-mirgina”. Yi amfani da mirgina mai zafi don m juyi (don rage farashi) da jujjuyawar sanyi don gamawa (don sarrafa rabon kunne). Wannan tsarin haɗin gwiwar yana daidaita farashi da aiki.

② Karɓa inganta siginar mirgina mai sarrafa AI. Yi hasashen rabon kunnen waɗannan fayafai na aluminium dangane da algorithms koyon injin don gane daidaita tsarin daidaitawa na lokaci, rage kuskuren ɗan adam da inganta daidaito.

③ Haɓaka sabbin kayan rufe fuska, irin su airgel composite kumfa. Wannan kayan haɓakawa yana da ƙarancin ƙarancin zafi, wanda zai iya rage dogaron tukwane na cikin tukunyar shinkafa akan daidaiton kaurin bangon waɗannan fayafai na aluminum, fadada zane sassauci.

(C) Babban Ka'ida

Daga karshe, da “zaɓin tsari” na fayafai na aluminum don tukwane na ciki mai dafa shinkafa ya kamata a yi nufin daidaita abubuwa guda uku: “kaurin bango iri ɗaya na tukunyar shinkafa na ciki – mannewa Layer Layer – thermal rufi yi”. Babu wani abu guda ɗaya da za a iya ba da fifiko a kuɗin wasu.

Tsarin mirgina sanyi yana da fa'idodi masu mahimmanci a cikin tukwane mai tsaka-tsaki mai dafa shinkafa (<2.0mm), inda daidaito yake da mahimmanci.

Fayafai na aluminum masu zafi, bayan inganta siga, za a iya shafa shi a tukwane na ciki mai dafa shinkafa mai kauri (≥2.0mm), inda hankalin farashi ya fi girma kuma haƙurin kauri ya fi sauƙi.

Daidaitaccen ma'auni dangane da matsayin samfur da buƙatun aikin dafaffen shinkafa yana da mahimmanci. Yana cimma daidaito tsakanin “ingancin albarkatun kasa – gama aikin samfurin – farashin samarwa”, tabbatar da dorewar masana'antu da gasa.