1. Metheo ea Sehlahisoa le Melemo ea Morphological
1.1 Sebopeho sa Crystal le Likarolo tsa Tlhaho
(TRUNNANO Aluminium Nitride Powder)
Round lightweight aluminium nitride (AlN) ke mofuta o ikhethileng oa phofo ea ceramic e bolokang meaho e makatsang ea 'mele le ea lik'hemik'hale ea boima ba AlN ha e ntse e fana ka phallo e ntseng e eketseha., botenya ba ho paka, le litšoaneleho tsa ho hasana ka lebaka la morphology ea eona e laoloang.
Joalo ka AlN e tloaelehileng, e phatsima ka har'a moralo oa wurtzite oa hexagonal, moo maqhama a matla a covalent pakeng tsa aluminium boima ba leseli le liathomo tsa naetrojene li fana ka botsitso bo phahameng ba mocheso, e ikhethang ea ho hanyetsa motlakase, le sehlopha se sephara sa ho potoloha 6.2 eV.
Tšobotsi ea bohlokoa ka ho fetisisa ea AlN ke conductivity ea eona e phahameng ea mocheso, e ka fetang 170 W/(m · K )in solitary crystals and reach 140– 160 W/(m · K )in high-purity polycrystalline kinds, much exceeding standard fillers like alumina (≈ 30 W/(m · K)).
This efficiency emerges from efficient phonon transportation, which is extremely sensitive to latticework problems, pollutants– specifically oxygen– and grain boundaries.
Oxygen contamination causes the development of aluminum vacancies and additional phases such as Al Two O ₃ or light weight aluminum oxynitride (AlON), which spread phonons and break down thermal efficiency.
Ka hona, high-purity round AlN powders are synthesized and refined under strict problems to lessen oxygen material, generally below 1000 ppm, making sure ideal warmth transmission in end-use applications.
1.2 Spherical Morphology and Functional Benefits
The shift from uneven or angular AlN fragments to spherical forms represents a significant innovation in powder engineering, driven by the demands of modern composite manufacturing and additive procedures.
Spherical fragments show premium flowability as a result of minimized interparticle rubbing and surface roughness, allowing consistent feeding in automated systems such as screw feeders, vibratory receptacles, and powder-bed 3D printers.
This improved flowability equates right into constant dosing, decreased clogging, and boosted process integrity in commercial settings.
Holim'a moo, spherical powders attain greater packaging thickness contrasted to their angular counterparts, decreasing void material when included into polymer matrices or ceramic green bodies.
Ho tlatsa li-filler tse phahameng ka kotloloho ho eketsa ts'ebetso e sebetsang ea mocheso oa metsoako ntle le ho senya botsitso kapa ts'ebetso..
( TRUNNANO Aluminium Nitride Powder)
E boreleli, Sebaka sa isotropic se pota-potileng AlN se boetse se fokotsa khatello ea maikutlo le lintlha tsa ho tšoenyeha ka metsoako ea polymer, ho matlafatsa botsitso ba mochini le matla a dielectric.
Melemo ena ea morphological e etsa hore ho pota-pota AlN e tšoanelehe haholo bakeng sa lits'ebetso tse hlokang ho nepahala, phetapheto, le tshebetso e phahameng.
2. Mekhoa e Kopanetsoeng le Tlhahiso ea Liindasteri
2.1 Nitridation e tobileng le Post-Synthesis Spheroidization
Tlhahiso ea aluminium nitride e spherical lightweight e kenyelletsa motsoako o tobileng oa likaroloana tse chitja kapa ts'ebetso ea morao-rao ea phofo e sa tloaelehang ea AlN ho fihlela sphericity..
Leano le leng ke ho kenya nitridation ka kotloloho ea marotholi a aluminium boima bo bobebe bo bobebe sebakeng se nang le naetrojene e ngata, moo tsitsipano ea holim'a metsi e atisang ho etsa hore ho thehoe likotoana tse chitja ha aluminium e arabela ho nts'etsapele AlN..
Mokhoa ona, athe e ka tšeptjoa, e hloka taolo e nepahetseng ea mocheso, ho potoloha ha khase, le ho ajoa ha likaroloana ho qoba nitridation e sa lekaneng kapa qubu.
Ka lehlakoreng le leng, li-powders tse sa lekaneng tsa AlN tse hlahisoang ka ho fokotsa carbothermal (Al ₂ O BOHLANO + 3C + N PEDI → 2AlN + 3CO) e ka ba tlas'a mocheso o phahameng oa plasma spheroidization.
Ts'ebetsong ena, li-angular bits li kenngoa ka har'a jete ea plasma ea mocheso (mohlala, radiofrequency kapa DC plasma), moo li qhibilihang nakoana 'me li nka sebopeho se chitja ka lebaka la tsitsipano ea sebaka se holimo pele li matlafala ka potlako leetong..
Plasma therapy also aids purify the surface area by volatilizing surface oxides, additionally improving thermal performance.
2.2 Quality Control and Surface Engineering
Making sure uniformity in particle size circulation, sphericity, bohloeki, and surface area chemistry is vital for industrial adoption.
Suppliers use laser diffraction for particle size evaluation, ho hlahloba microscope ea elektronike (TSEBANG) for morphological evaluation, and X-ray photoelectron spectroscopy (XPS) to examine surface area composition.
Sphericity is measured using form variables such as circularity or aspect proportion, with high-performance powders typically displaying sphericity > 90%.
To improve compatibility with natural matrices, spherical AlN fragments are often surface-treated with coupling representatives such as silanes or titanates.
These treatments enhance interfacial attachment between the ceramic filler and polymer resin, minimizing thermal boundary resistance and protecting against filler heap.
Hydrophobic finishings might likewise be put on minimize wetness absorption, which can weaken dielectric residential or commercial properties and advertise hydrolysis in humid environments.
3. Applications in Thermal Administration and Advanced Materials
3.1 Polymer Composites for Electronics Packaging
Round AlN is significantly used as a high-efficiency thermal filler in epoxy, silicone, and polyimide-based composites for electronic encapsulation, underfill materials, thermal interface materials (TIMs), and printed motherboard (Li-PCB).
In these applications, the goal is to dissipate warm from high-power semiconductor tools such as CPUs, GPUs, power amplifiers, and LED vehicle drivers.
The round morphology enables greater filler loading– typically going beyond 70 vol%– while preserving low viscosity, enabling simple handling and thin-layer application.
This results in composite thermal conductivities of 3– 8 W/(m · K), a substantial enhancement over unfilled polymers (≈ 0.2 W/(m · K)) and traditional fillers.
Its electric insulation residential property ensures that thermal improvement does not jeopardize dielectric security, making it perfect for high-voltage and high-frequency circuits.
3.2 Additive Production and Ceramic Processing
In additive manufacturing, especially in binder jetting and careful laser sintering (SLS), spherical AlN powders are vital for achieving consistent powder bed density and regular layer spreading.
Their flowability makes sure defect-free layer deposition, while high packaging thickness enhances environment-friendly stamina and lowers shrinking during sintering.
Round powders likewise enable the construction of complex-shaped ceramic components with great attributes and exceptional dimensional accuracy, helpful in aerospace, tshireletso, and semiconductor tooling.
In traditional ceramic processing, spherical AlN improves the homogeneity of green bodies and lowers porosity in sintered elements, boosting both thermal and mechanical efficiency.
4. Arising Frontiers and Future Outlook
4.1 Next-Generation Electronic and Energy Systems
As electronic tools continue to diminish in size while enhancing in power thickness, the need for advanced thermal administration services grows exponentially.
Round AlN is poised to play a vital role in arising technologies such as 5G/6G base terminals, likarolo tsa motlakase oa koloi ea motlakase, le khomphutha e sebetsang hantle haholo (HPC) litsamaiso, moo ho khangoa ha mocheso ho fokotsang katleho.
Ho kopanngoa ha eona hantle ka har'a lipoleiti tse batang tse pholileng ka metsi, lisebelisoa tsa mocheso, le meaho e kentsoeng ea ho futhumatsa e sebelisa litsela tse ncha bakeng sa ho ntlafatsa mocheso oa boemo ba sistimi.
Sebakeng sa polokelo ea matla, Round AlN e ntse e hlahlojoa e le sehlahisoa se tsamaisang mocheso empa se sireletsa motlakase ka har'a li-separator le li-encapsulants ho fokotsa ho baleha ha mocheso ka libeteri tsa lithium-ion..
4.2 Mathata a Moshoelella le a Scalability
Ho sa tsotellehe melemo ea eona, Kamohelo e pharalletseng ea AlN e chitja e tobana le mathata a amanang le litšenyehelo, motsoako o matla oa matla, le phello ea tikoloho.
Plasma spheroidization le tlhahiso ea phofo e hloekileng e hloka matla a mangata, ho etsa hore thuto e be lithuto tse ngata tse sebetsang hantle le tse tšoarellang.
Ho tsosolosoa ha sekhechana sa AlN le kholo ea mekhoa e fapaneng ea ho kopanya, joalo ka lits'ebetso tse thehiloeng ho tharollo kapa mocheso o tlase, ke libaka tse mafolofolo tsa tlhahlobo.
Ho feta moo, tlhahlobo ea ts'ebetso ea bophelo le matla a phepelo ea phepelo li qetella e le lintlha tsa bohlokoa ha tlhoko ea lefats'e ea lisebelisoa tsa bohlokoa e ntse e eketseha.
Ka kakaretso, spherical aluminium nitride e emetse phetoho e ncha ho popontshwa ea phofo ea ceramic, ho kopanya boleng ba mocheso oa ka hare oa AlN le morphology e entsoeng bakeng sa ts'ebetso e tsotehang le katleho..
Mosebetsi oa eona oa ho thusa molokong o latelang oa litharollo tsa tlhahlobo ea mocheso ho pholletsa le lisebelisoa tsa elektroniki, matla, le tlhahiso e tsoetseng pele e totobatsa boleng ba eona bo baliloeng ntlafatsong ea lihlahisoa tse sebetsang hantle.
5. Morekisi
TRUNNANO ke morekisi oa boron nitride e nang le over 12 lilemo tsa boiphihlelo ba ho boloka matla a nano-building le nts'etsopele ea nanotechnology. E amohela tefo ka Credit Card, T/T, West Union le Paypal. Trunnano e tla romella thepa ho bareki ba mose ho maoatle ka FedEx, DHL, ka moea, kapa ka lewatle. Haeba u batla ho tseba haholoanyane ka aluminium le nitride, ka kopo ikutloe u lokolohile ho ikopanya le rona le ho romela potso.
Li-tag: aluminium nitride,ka nitride,aln aluminium nitride
Lingoliloeng tsohle le litšoantšo li tsoa Marang-rang. Haeba ho na le litaba tsa copyright, ka kopo ikopanye le rona ka nako ho hlakola.
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