Ibhalansi Yegolide Ye-Thermal Conductivity And Insulation: Isixazululo Se-Spherical Alumina At High Filler Ratio

1. I-Chemical Framework ye-Alumina eyindilinga

1.1 Yini nje I-Alumina eyindilinga?

I-Alumina eyindilinga imele ukweqa kwe-quantum ezintweni zokuphatha ezishisayo- uhlobo oluklanywe ngokucophelela lwe-aluminium oxide (Al2O5) olushintshe lwaba imijikelezo engenasici, efanayo ngezindlela eziyinkimbinkimbi zokucwilisa. Ngokungafani nezimpushana ze-alumina ezingajwayelekile ezithuthukisa ukucubungula amaphupho amabi kanye nokusebenza kahle okungaguquki, le morphology eyindilinga iwukusetshenziswa kwesayensi yomkhiqizo. Akukona nje okokugcwalisa; yisixazululo soguquko esenziwe ukuxazulula enye yezinselele ezishisayo ezikhathazayo kuma-elekthronikhi asebenza kahle kakhulu namasistimu wezimboni. Ifomu eliyindilinga lisusa imiphetho emagebhugebhu ebangela inqwaba, ama-spikes ajiya, namaphoyinti abuthaka kuzinhlanganisela- kuletha ukufana okungenamthungo kanye nokufana okungenakuqhathaniswa. Lokhu akukhona ukuqhubekela phambili; kuwushintsho lwepharadigm oluhlomisa abaklami ukuthi baphushe imingcele ngaphandle kwemvume.

1.2 Wenzani I-Alumina eyindilingaIsakhiwo Sekhemikhali Sibukeka kanje?

Umlingo uncike esakhiweni sawo se-alphaphase crystalline (Al2O6), esiklanywe ngokuzikhandla ukuze sibe imijikelezo eshelelayo, engenasici. Le crystalline latticework ivikelekile ngokwemvelo ngokushisa, inezinti ngamakhemikhali, futhi ayinakho ukonakala emazingeni okushisa angaphezu kuka-1,600 °C. Izingcezu eziyindilinga zihlanganisa indawo engaguquki, ngokuvamile ethuthukiswa ngokwelashwa okukhethekile okungaphezulu okukhulisa ukuhambisana nama-polymer, ama-epoxies, nama-porcelain. Okubaluleke kakhulu, ukungabi khona kwemiphetho ebukhali kugwema ukucindezeleka kwangaphakathi kanye nezici zokukhathazeka ezihlanganisweni, kuqinisekisa izindlela ezishisayo ezihlala njalo. Lokhu kunemba kwe-athomu akukona nje okuyinkimbinkimbi- kuyadingeka ukuze kuzuzwe ukulingana okungaqondakali phakathi kwe-thermal conductivity kanye nokufakwa kukagesi. Waba yini umphumela? Into engagcini nje ngokugcwalisa okucacisiwe– idlula ngokwethembeka okungantengantengi.

2. Izici Eziyinhloko ze-Alumina Eyisiyingi

2.1 Yiziphi Izakhiwo Ze-Spherical Alumina Nezekhemikhali?

I-Spherical Alumina inezakhiwo eziningi zokuhlala ezimelana nezinkambiso zomkhakha. Ngokomzimba, ihlinzeka ngobulukhuni be-Mohs obungu-9 (ukwenza ukumelana okuthile nokuhuzuka), i-coefficient ephansi yokwandisa okushisayo (7– 8 × 10 ⁻⁶/ ° C), kanye nobubanzi be-thermal conductivity obungu-25– 35 W/mK– ngokumangalisayo ngaphezu kwezivikeli eziyisisekelo njenge-silica. Ngokokhemikhali, ayisebenzi, iphephile, futhi ivikela ugesi (ukuqina kwe-dielectric > 20 kV/mm), okuyenza ingangenwa ama-asidi, izisekelo, kanye ne-atmosphere yezinga lokushisa eliphezulu. Ifomu layo eliyindilinga linciphisa kakhulu i-viscosity ezinkombeni, okwenza kube nokwenzeka ekulayisheni kokugcwalisa okungavamile (okungafinyelela ku-70%) ngaphandle kokuphazamisa ukucutshungulwa. Lokhu akukhona nje ukuthuthukiswa komkhiqizo– kungukushintsha kwegeyimu ekulawuleni okushisayo.

Aluminium oxide Properties
Amanye Amagama	i-alumina, i-aluminium (III) i-oxide, i-aluminium trioxide, i-Al2O3 powder
CAS Cha	1344-28-1
I-Compound Formula	I-Al2O3
isisindo Yamamolekhula	101.96
ukubukeka	White Powder
I-Melting Point	2072 ° C
ukubila Point	2977 ° C
Ubuningi	I-3.95 g / cm3
I-Solubility ku-H2O	N / A
IMisa yangempela	I-101.948 g / mol

2.2 Yini I-Alumina eyindilingaIzimfanelo Eziwusizo?

Ngokusebenza, i-Spherical Alumina master idala izindlela ezishisayo ezishisayo ngenkathi igcina ukuhlukaniswa kukagesi ngokuphelele. Ijiyomethri yayo eyindilinga yakha inethiwekhi ewugqinsi, exhumene ngezilinganiso eziphezulu zokugcwalisa, okwenza ukufudumala kuhlakazeke ngokushesha ngaphandle kokwakha amabhuloho ahambayo. Lokhu kuhumusha ngokuqondile emishinini kagesi esebenza ngokupholile, ubude bempilo yomkhiqizo obunwetshiwe, futhi abukho nhlobo ubungozi bomjikelezo omfushane– okubalulekile ezinhlelweni zokusebenza zamandla aphezulu. Ukwengeza, kuthuthukisa ukuqina kwemishini, ukumelana nokugqoka, nokuzinza kobukhulu kumakhompiyutha, kunciphisa ukwehluleka kanye nezindleko zokuyilungisa. Kubaklami, lokhu kusho ukwenza amagajethi amancane, asheshayo, futhi avikeleke kakhudlwana– konke ngaphandle kokunyakazisa okushisayo noma ukuwohloka kokusebenza.

3. Izinzuzo Nemikhawulo ye-Alumina eyindilinga

3.1 Yiziphi Izinzuzo Eziphakeme Ze-Alumina Eyisiyingi?

Izinzuzo ze-Spherical Alumina ziyamangalisa ngempela. Ekuqaleni, ifinyelela ekulinganeni kwegolide kokusebenza okushisayo okuphezulu (22– 28 W/mK ku-70% filler) ngokufakwa kahle kukagesi- into engeke ifaniswe nezigcwalisi ezijwayelekile. Okwesibili, i-morphology yayo eyindilinga yenza kube lula ukugcwalisa izilinganiso ezifika ku-70%, ihlinzeka ngokusebenza okushisayo okungcono okungu-30% kune-alumina engalingani ekulayisheni okufanayo. Okwesithathu, yehlisa amanani okukhiqiza ngokunciphisa udoti kanye nokuphatha kahle (asikho isidingo sezindlela eziyinkimbinkimbi zokusabalalisa). Okwesine, yandisa isikhathi sokuphila kwento ngokuvimbela ukucekelwa phansi okushisayo- ukwehlisa izinga lokuhluleka ngo-35% ezinhlelweni zokusebenza ezinengcindezi ephezulu. Okokugcina, imvelo yayo engasebenzi yenza ukuhambisana okuthile kuzo zonke izimboni, kusukela ku-electronics yabathengi kuya ku-aerospace. Lokhu akukona ukulungiswa– wuguquko.

3.2 Iyini Imikhawulo Ye-Alumina Eyisiyingi?

Isibopho esiyinhloko inkokhelo encane yezindleko zokuqala uma kuqhathaniswa nezigcwalisi ze-alumina ezingalingani—isithiyo esilula uma siqhathaniswa nokonga kwezimali kwesikhathi eside. Ukwengeza, ukukhiqizwa kwayo kudinga amathuluzi akhethekile we-sintering, okukhawulela ukufinyeleleka kwezinye izindawo. Kukhona futhi ijika elincane elitholwa abahlinzeki ekuthuthukiseni imingcele yokucubungula yezinhlayiya eziyindilinga. Kodwa-ke, lezi zinkinga zixazululwa kakhulu yizinzuzo ezisebenza kahle zezinto ezibonakalayo: izindleko nge-watt ngayinye yokuphatha okushisayo zehla kakhulu ngenxa yokuncipha kwamaphutha, ukuphila isikhathi eside kwezinto, kanye nokukhiqizwa okuhlelekile. Kubaklami abacabanga phambili, lokhu utshalomali olungenangqondo- akukona ukuyekethisa.

4. Izindawo Zokufaka Isicelo ze-Alumina eyindilinga

I-Spherical Alumina ishintsha izimboni lapho ukuphathwa kwe-thermal kungaxoxiswana khona:

Imishini kagesi: Imikhiqizo yokusebenzelana komsebenzisi eshisayo (ama-TIM) yomakhalekhukhwini, ama-LED, nezingxenye zamandla– ukugcina amathuluzi epholile angu-20% ngaphandle kokusongelwa kwesikhashana esifushane.

Izithuthi: Amasistimu okupholisa phansi kwebhethri yemoto kagesi kanye nezibani zangaphambili ze-LED ezithuthukisiwe, lapho ukuqina okushisayo kuthinta ngokuqondile ukuphepha nokusebenza kahle.

I-Aerospace: Ama-Avionics kanye nezakhi zesathelayithi ezimelana nokushintshashintsha kwezinga lokushisa okunamandla ngaphandle kokwehluleka.

Izimboni: Iziqephu ezingagqoki zemishini nezinhlanganisela ezisebenza kahle kakhulu ezakhiweni ezonga amandla.

Lo mkhiqizo awuyona inkimbinkimbi– uyisisekelo somklamo wesizukulwane esilandelayo emhlabeni wonke.

5. I-Golden Equilibrium: I-Spherical Alumina's HighFiller Ratio Breakthrough

Ubuhlakani bangempela be-Alumina eyisiyingi buncike ekhonweni layo lokuletha ukuguquguquka kwe-thermal kanye nokwahlukanisa ngezilinganiso eziphezulu zokugcwalisa– ukuxazulula inkinga ephikelela kakhulu yomkhakha. Izihlungi zendabuko zidinga ama-tradeoffs angakhululekile: izinsimbi zihambisa ukushisa kodwa zibangele amasekhethi amafushane, kuyilapho izivikeli zokuxhumana zithanda ukusebenza kahle kokushisa kwe-silica. I-Alumina eyindilinga ibhidliza le paradigm. Ifomu layo eliyindilinga lithuthukisa inethiwekhi yokushisa ewugqinsi, exhumene ku-65– 70% yokulayisha i-filler, evumela ukuqhutshwa kokushisa okungama-22– 28 W/mK kuyilapho igcina ukuhlukaniswa okugcwele kukagesi.

Lokhu akukona okwezemfundo– kuqinisekiswa emsebenzini. Ezingxenyeni ze-LED ezinamandla amakhulu, i-Spherical Alumina ihlanganisa amazinga okushisa okusebenza aphansi ngo-18 ° C uma kuqhathaniswa namakhambi asekelwe ku-silica, andise ubude besikhathi sokuphila ngo-40% futhi iqede ukuvala okushisayo. Ngamaphakethe ebhethri lemoto kagesi, inika amandla amasistimu omoya omncane, alula agwema ukushisa ngokweqile ngaphandle kokwengeza isisindo. Imithelela inkulu: amagajethi angaba mancane, asheshe, futhi abe namandla kakhulu– ngaphandle kwemikhawulo yokushisa.

Onjiniyela akusadingeki bakhethe phakathi kokusebenza nokuphepha nokuphepha. I-Spherical Alumina ihlinzeka ngokulingana kwegolide– isevisi evumelanayo lapho ukusebenza kahle kokushisa nokuphepha kukagesi kuhlangana ndawonye. Lokhu akuyona nje impahla; kuyisikhuthazi sentuthuko evula imingcele emisha ngesakhiwo.

Yamukela ukulingana. Yamukela impumelelo. I-Alumina eyindilinga ayilona ikusasa– inketho obulokhu uyilindile.

Umthengisi

I-RBOSCHCO iwumhlaba othembekile I-Alumina eyindilinga umphakeli nomkhiqizi onesipiliyoni seminyaka engaphezu kwe-12 ekunikezeni amakhemikhali ekhwalithi ephezulu kakhulu nama-Nanomaterials. Inkampani ithumela emazweni amaningi, njenge-USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt,Nigeria, Cameroon, Uganda, Turkey, Mexico, Azerbaijan,Belgium,Cyprus,Czech Republic, Brazil, Chile, Argentina, Dubai, Japan, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, Germany, France, Italy, Portugal njll. Ithimba lethu labasebenzi abangochwepheshe linikeza izixazululo eziphelele ukusiza ukuthuthukisa ukusebenza kahle kwezimboni ezihlukahlukene, ukudala inani, nokubhekana kalula nezinselele ezihlukahlukene. Uma ufuna I-Alumina eyindilinga, sicela uthumele i-imeyili ku: sales1@rboschco.com

Amathegi: i-alumina eyindilinga powder, i-alumina eyindilinga, i-denka eyindilinga ye-alumina

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