1. Ngaahi tefito'i me'a 'o e koloa mo e ngaahi lelei faka-morphological .
1.1 Fa'unga 'o e sio'ata mo e ngaahi 'ulungaanga fakanatula .
(TRUNNANO 'Aluminiume Naitalaiti efuefu)
Takai mamafa ma'ama'a 'aluminiume nitride . (AlN) ko ha founga makehe 'o e efuefu 'o e selami 'oku ne tauhi 'a e ngaahi fale fakatu'asino mo fakakemikale fakaofo 'o e AlN lahi lolotonga hono 'oatu 'o e boosted flowability ., matolu 'o e kato, mo e ngaahi 'ulungaanga 'o e movetevete koe'uhi ko hono mapule'i 'o e morphology spherical ..
Hange ko e AlN angamaheni ., 'oku ne sio'ata 'i he fa'unga 'o e wurtzite hexagonal ., 'a ia 'oku 'omi ai 'e he ngaahi ha'i covalent malohi 'i he vaha'a 'o e 'aluminiume mamafa ma'ama'a mo e 'atomi naitoloseni 'a e tu'unga ma'olunga 'o e mafana ., fakafepaki faka'uhila makehe, pea mo ha bandgap lahi 'o e takatakai 'i he 100. 6.2 eV.
Ko e 'ulungaanga mahu'inga taha 'o e AlN ko hono conductivity mafana ma'olunga ., ‘a ia ‘e lava ke fakalaka atu ‘i he . 170 W/(m · K )‘i he ngaahi sio‘ata tokotaha pē pea a‘u ki he 140 .– 160 W/(m · K )'i he ngaahi fa'ahinga polycrystalline ma'olunga-ma'a ., lahi ange 'i he ngaahi fillers angamaheni hange ko e alumina . (≈ 30 W/(m · K)).
'Oku 'asi mai 'a e ola lelei ko 'eni mei he fefononga'aki lelei 'o e phonon ., 'a ia 'oku fu'u ongo'ingofua ki he ngaahi palopalema 'o e latticework ., ngaahi meʻa ʻuli– tautautefito ki he ʻosikena– mo e ngaahi ngataʻanga ʻo e tengaʻi ʻakaú ..
'Oku fakatupu 'e he 'uli 'o e 'osikena 'a e fakalakalaka 'o e ngaahi 'ata'ataa 'o e 'aluminiume mo e ngaahi konga 'oku tanaki atu hange ko e Al ua O 3 pe 'aluminiume mamafa ma'ama'a oxynitride . (AlON), 'a ia 'oku ne mafola 'a e phonons mo holoki 'a e 'aonga 'o e mafana ..
Ko ia ai, 'oku synthesized mo fakalelei'i 'a e ngaahi efuefu takai AlN ma'olunga-ma'a 'i he lalo ngaahi palopalema fefeka ke fakasi'isi'i 'a e naunau 'o e 'osikena ., fakalukufua 'i lalo 1000 ppm, fakapapau'i 'a e fetuku 'o e mafana lelei taha 'i he ngaahi polokalama faka'osi-faka'aonga'i.
1.2 Ko e Mofolosia 'o e Spherical mo e ngaahi lelei 'o e ngaue .
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.
Tānaki atu ki ai, spherical powders attain greater packaging thickness contrasted to their angular counterparts, decreasing void material when included into polymer matrices or ceramic green bodies.
'Oku fakalahi fakahangatonu 'e he fakafonu 'o e filler ma'olunga ange 'a e conductivity 'o e mafana 'aonga 'o e ngaahi me'a 'oku 'ikai ke fakatu'utamaki 'a e tu'unga fakamisini pe processability ..
( TRUNNANO 'Aluminiume Naitalaiti efuefu)
Ko e ngingila ., isotropic funga 'o e takai AlN 'oku tanaki atu ki ai 'oku fakasi'isi'i 'a e mafasia mo e hoha'a 'a e ngaahi poini 'o e tokanga 'i he ngaahi me'a 'o e polymer ., fakatupulaki 'a e fefeka fakamisini mo e malohi 'o e dielectric.
Ko e ngaahi lelei morphological ko 'eni 'oku ne 'ai 'a e AlN takai tautautefito ki he ngaahi polokalama 'oku fie ma'u 'a e tonu ., toe lava ke fai, mo e fakahoko ngaue ma'olunga ..
2. Ngaahi founga fakatahataha'i mo e ngaohi'anga koloa 'o e ngaue'anga .
2.1 Nitridation fakahangatonu mo e hili hono fakataha'i 'o e spheroidization
'Oku kau 'i he ngaohi 'o e spherical maama mamafa 'o e 'aluminiume nitride pe synthesis fakahangatonu 'o e ngaahi momo'i me'a spherical pe hili hono ngaue'aki 'o e efuefu AlN ta'efakalao ke fakahoko 'a e sphericity ..
One strategy is the direct nitridation of liquified light weight aluminum droplets in a nitrogen-rich atmosphere, where surface tension normally drives the formation of spherical bits as aluminum responds to develop AlN.
This method, while reliable, needs accurate control of temperature, gas circulation, and particle dimension distribution to avoid insufficient nitridation or heap.
Ko hono fakafepaki ., uneven AlN powders generated via carbothermal reduction (Al 2 O NIMA + 3C + N UA → 2AlN + 3CO) can be subjected to high-temperature plasma spheroidization.
In this process, angular bits are injected into a thermal plasma jet (e.g., radiofrequency or DC plasma), where they melt momentarily and assume a spherical shape as a result of surface area tension before swiftly strengthening in trip.
'Oku tokoni foki 'a e faito'o plasma ke fakama'a 'a e funga 'o e feitu'u 'aki hono volatilizing 'a e oxides funga ., tanaki atu ki hono fakalelei'i 'o e fakahoko 'o e mafana ..
2.2 Pule'i 'o e tu'unga lelei mo e 'enisinia 'o e funga
Fakapapau'i 'a e uniformity 'i he fetuku 'o e lahi 'o e ngaahi momo'i me'a ., fakafuopotopoto, maʻa, pea 'oku mahu'inga 'aupito 'a e kemikale 'o e funga 'o e feitu'u ki he ohi fakangaue'anga ..
'Oku faka'aonga'i 'e he kau fakatau 'a e diffraction leisa ki he sivi'i 'o e lahi 'o e ngaahi momo'i me'a ., sikani 'o e me'a faka'ata si'isi'i 'o e 'ilekitulonika (KO FĒ) mo e sivi'i 'o e morphological, mo e X-ray 'o e 'ata 'o e 'ata 'o e 'uhila . (XPS) ke vakai'i 'a e fa'unga 'o e funga 'o e 'elia.
'Oku fua 'a e Sphericity 'o faka'aonga'i 'a e ngaahi kehekehe 'o e fotunga hange ko e circularity pe tafa'aki 'o e vahevahe ., mo e ngaahi efuefu ma'olunga-ngaue 'oku angamaheni 'aki hono fakahaa'i 'o e sphericity > 90%.
Ke fakalelei'i 'a e fe'unga mo e matrices fakanatula ., 'oku fa'a funga-tokanga'i 'a e ngaahi konga 'o e AlN spherical mo e kau fakafofonga coupling hange ko e silanes pe titanates ..
'Oku fakalahi 'e he ngaahi faito'o ko 'eni 'a e fakapipiki interfacial 'i he vaha'a 'o e fakafonu 'o e selami mo e polymer resin ., fakasi'isi'i 'a e fakafepaki 'o e ngata'anga 'o e mafana mo e malu'i mei he fu'u filler ..
'E lava ke 'ai foki 'a e ngaahi faka'osi 'o e hydrophobic 'i he fakasi'isi'i 'o e absorption 'o e wetness ., 'a ia 'e lava ke ne fakavaivai'i 'a e dielectric nofo'anga pe ngaahi koloa fakakomesiale mo faka'ilo 'a e hydrolysis 'i he ngaahi 'atakai 'oku 'i ai 'a e 'uha ..
3. Ngaahi polokalama 'i he Pule'i 'o e Thermal mo e ngaahi naunau fakalakalaka .
3.1 Ngaahi me'a 'oku fakataha'i 'e he polymer ki he ngaahi me'a faka'ilekitulonika
'Oku faka'aonga'i lahi 'a e AlN takai ko ha filler mafana ma'olunga-lelei 'i he epoxy ., silikoni, mo e ngaahi me'a 'oku makatu'unga 'i he polyimide ki he encapsulation faka'ilekitulonika ., ngaahi naunau fakafonu, ngaahi naunau fetu'utaki mafana (Ngaahi TIM), mo e motherboard kuo paaki . (Ngaahi PCB).
ʻI he ngaahi tohi kole ko ʻení ., ko e taumu'a ke fakamovetevete 'a e mafana mei he ngaahi me'angaue semiconductor malohi ma'olunga hange ko e CPUs ., Ngaahi GPU, ngaahi me'a fakalahi malohi, mo e kau faka'uli me'alele LED ..
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, lolotonga ia 'oku fakalahi 'e he matolu 'o e 'atakai-fakakaume'a 'a e stamina mo fakasi'isi'i 'a e fakasi'isi'i lolotonga 'a e sintering ..
'Oku faka'ata 'e he ngaahi efuefu takai 'a e langa 'o e ngaahi konga 'o e selami 'oku fōtunga faingata'a mo e ngaahi 'ulungaanga lahi mo e tonu makehe 'o e dimensional ., tokoni 'i he vakapuna, maluʻi, mo e me'angaue semiconductor ..
'I he ngaue tukufakaholo 'o e selami ., 'oku fakalelei'i 'e he AlN spherical 'a e homogeneity 'o e ngaahi sino lanumata mo fakasi'isi'i 'a e porosity 'i he ngaahi 'elemeniti sintered ., boosting fakatou'osi 'a e mafana mo e fakamisini 'o e ola lelei ..
4. Ngaahi Ngata'anga 'oku Tupu hake mo e Fakakaukau ki he Kaha'u
4.1 Ngaahi Sisitemi Fakaʻilekitulōnika mo e Malohi ʻo e Toʻutangata Hokó
Ko e hokohoko atu 'a e ngaahi me'angaue faka'ilekitulonika ke fakasi'isi'i 'a e lahi lolotonga hono fakalahi 'i he matolu 'o e malohi ., 'oku tupulaki 'a e fie ma'u ki he ngaahi ngaue fakalakalaka 'o e pule'i 'o e mafana ..
'Oku mateuteu 'a e takai 'o e AlN ke fakahoko ha fatongia mahu'inga 'i he ngaahi tekinolosia 'oku tupulaki hange ko e 5G/6G base terminals ., ngaahi konga 'o e ivi 'o e me'alele 'uhila, mo e fakakomipiuta fakahokohoko ma‘olunga . (HPC) ngaahi sisitemi, 'a ia 'oku fakangatangata ai 'e he strangling 'a e mafana 'a e ola lelei.
Ko hono fakataha'i totonu ki he ngaahi peleti momoko 'oku fakamokomoko'i 'e he vai ., ngaahi meʻa fakamafola māfana, mo e ngaahi fokotu'utu'u fakamokomoko 'oku fakahu 'oku ne faka'aonga'i 'a e ngaahi hala brand-fo'ou ki he sisitemi-levolo 'o e optimization 'o e mafana ..
'I he feitu'u 'oku tanaki ai 'a e ivi ., 'Oku vakai'i 'a e AlN takai ko ha me'a 'oku fakahoko 'e he mafana ka 'oku 'uhila 'a e tanaki atu 'i he ngaahi fakamavahe'i 'o e ngaahi maka mo e encapsulants ke fakasi'isi'i 'a e hola 'a e mafana 'i he ngaahi maka lithium-ion ..
4.2 Ngaahi Pole ki he Tu'uloa mo e Scalability .
Neongo hono ngaahi lelei ., 'oku fetaulaki 'a e 'ave lahi 'o e spherical AlN mo e ngaahi pole fekau'aki mo e fakamole ., synthesis ivi-lahi, mo e uesia ‘o e ‘ātakaí ..
Spheroidization 'o e plasma mo e ngaohi 'o e efuefu ma'olunga-ma'a 'oku fie ma'u 'a e input malohi lahi ., triggering ako ki ha ngaahi ako ngaohi 'oku lahi ange 'a e ola lelei mo e tu'uloa.
Toe faka'aonga'i 'o e AlN scrap mo e tupulaki 'o e ngaahi founga kehekehe 'o e synthesis ., hange ko e ngaahi founga 'oku makatu'unga 'i he fakalelei'i pe ma'ulalo-mafana ., ko e ngaahi feituʻu ʻoku ngāue ʻo e siví ..
Tanaki atu, 'analaiso 'o e founga 'o e mo'ui mo e malohi 'o e supply chain 'oku iku ia ko e ngaahi fakakaukau mahu'inga 'i he fie ma'u 'i mamani lahi ki he ngaahi ma'u'anga tokoni mahu'inga heightens ..
Ko hono fakanounou ., spherical 'aluminiume nitride 'oku tu'u ia ki ha founga fo'ou 'o e liliu 'i he founga fo'ou 'o e efuefu 'o e selami ., fakataha'i 'a e tu'unga lelei 'o e mafana 'o e AlN mo e morphology crafted ki he processability fakaofo mo e ola lelei ..
Ko hono ngaue 'i hono faka'ata 'o e ngaahi fakalelei'anga 'o e siofi 'o e mafana 'o e to'utangata hoko 'i he ngaahi me'a faka'ilekitulonika ., ivi, pea 'oku fakamamafa'i 'e he ngaohi'anga koloa fakalakalaka 'a hono mahu'inga kuo fakafuofua'i 'i he fakalakalaka 'o e ngaahi koloa 'oku ma'olunga hono fakahoko ..
5. Tokotaha fakatau atu
Ko e TRUNNANO ko ha tokotaha 'oku ne 'omi 'a e boron naitalaite mo e 'olunga 'i he 100. 12 ta'u 'o e a'usia 'i he nano-langa 'o e ivi fakatolonga mo e fakalakalaka 'o e nanotechnology .. 'Oku ne tali 'a e totongi 'o fakafou 'i he Kaati Fakamo'ua ., T/T, Hihifo 'Iunioni mo e Paypal .. 'E fakafolau atu 'e he Trunnano 'a e koloa ki he kau kasitomaa 'i muli 'o fakafou 'i he FedEx ., DHL, 'i he 'ea, pe ‘i tahi .. Kapau 'oku ke fie 'ilo lahi ange fekau'aki mo e . ʻaluminiume mo e naitalaiti, kataki 'o ongo'i tau'ataina ke fetu'utaki mai kiate kimautolu pea 'ave ha fehu'i ..
Tags: ʻaluminiume naitalaiti,al naitalaiti,aln 'aluminiume naitalaiti
Ko e ngaahi fakamatala mo e ngaahi fakatātā kotoa pē mei he ʻInitanetí .. Kapau 'oku 'iai ha ngaahi me'a 'oku fekau'aki mo e totonu pulusi ., kataki fetu'utaki mai taimi totonu ke tamate'i ..
Faka'eke'eke mai