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Aluminium silicon carbide structrual part yomwe imagwiritsidwa ntchito popanga ndege, ndege, Sitima zapamadzi, zoyendera njanji, gawo lamagalimoto amphamvu atsopano.

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Aluminium silicon carbide structrual part yomwe imagwiritsidwa ntchito popanga ndege, ndege, Sitima zapamadzi, zoyendera njanji, gawo lamagalimoto amphamvu atsopano.

Ubwino wonse wa aluminiyumu aloyi ndi zida za ceramic, komanso bwino kupewa zolakwika zamtundu umodzi, ndege, ndege, zombo zapamadzi, zoyendera njanji, magalimoto amagetsi atsopano ndi madera ena apamwamba kwambiri ali ndi chiyembekezo chogwiritsa ntchito. .


Makhalidwe azinthu: kuuma kwapadera kwambiri, mphamvu zenizeni zenizeni, kukhazikika kwapamwamba, kutsika kwa kutentha kwapakati, kuyamwa bwino kwa mafunde, kukana kuvala kwambiri, kukana kwa dzimbiri ... etc.

    Kuyerekeza kwa katundu wa AISIC ndi zitsulo zachikhalidwe ndi zida za ceramic:

    zitsulo zotayidwa (7050) titaniyamu aloyi (TC4) zitsulo zosapanga dzimbiri (SUS304) SIC Alumina AISiC
    Kachulukidwe (g/cm3) 2.8 4.5 7.9 3.2 3.97 2.8-3.2
    Mphamvu yowonjezera (MPa) ≥496 ≥985 ≥520 - - 270-450
    Elasticity modulus (Gpa) 69 110 210 330 300 160-280
    Mphamvu yopindika (Mpa) - - - 350-600 290 230-450
    Coefficient of linear expansion(×10/℃) makumi awiri ndi mphambu zinayi 8.6 17.3 4.5 7.2 4.5-16
    Thermal conductivity (W/m·K) 154-180 8 15 126 20 163-255


    Sing'anga ndi mkulu thupi zotayidwa silicon carbide gulu zipangizo tinatengera pa mtundu watsopano kukonzekera ntchito popanda gawo mawonekedwe, amene bwino amapewa zofooka za brittleness zitsulo ceramic gulu zipangizo, ndi bwino kwambiri processing ntchito ndi ntchito zosiyanasiyana zipangizo.

    1. Aluminium silicon carbide - zigawo zamapangidwe
    Zida zamapangidwe amphamvu kwambiri - zokhala ndi mawonekedwe opepuka, owuma kwambiri, kukhazikika kwamkati, kukana kuvala ndi kukana dzimbiri, m'malo mwa aluminium alloy, chitsulo chosapanga dzimbiri, aloyi ya titaniyamu, yogwiritsidwa ntchito mwatsatanetsatane kwambiri, zigawo zamapangidwe zosavala zokhala ndi zofunikira zofananira. .


    Magawo a magwiridwe antchito amitundu yayikulu ya AISiC


    Kachulukidwe (g/cm3) Mphamvu yopindika (MPa) Modulus of elasticity (GPa) Mlingo wa elongation (%) Chiŵerengero cha Damping(ζ,%) Thermal conductivity(W/m·K)@25℃ Coefficient of linear expansion (× 10 / ℃) 25-200 ℃
    S45 SiC/AI 2.925 298 172 1.2 0.42 203 11.51
    S50 SiC/AI 2.948 335 185 / 0.52 207 10.42
    S55 SiC/AI 2.974 405 215 / 0.66 210 9.29
    S60 SiC/AI 2.998 352 230 / 0.7 215 8.86


    Ubwino wazinthu: kulemera kwapang'onopang'ono, kuuma kwakukulu, kukhazikika bwino kwa mawonekedwe, kutentha kwakukulu ndi kutsika sikophweka kufooketsa, kumatha kukonza zovuta, kapangidwe kakhoma kakang'ono, mabowo ang'onoang'ono olondola, whorl


    2. Aluminiyamu silicon carbide - kutentha dissipation gawo
    Microelectronic kuzirala gawo lapansi/chipolopolo: aluminium silicon carbide imadziwika kuti m'badwo wachitatu wa zida zama CD zamagetsi chifukwa cha zinthu zake zotentha kwambiri, ndipo imagwiritsidwa ntchito kwambiri popanga zida zamagetsi (m'badwo woyamba monga aluminium, mkuwa; M'badwo wachiwiri wotere monga Kewa, copper molybdenum, copper tungsten alloy....etc).


    Kachulukidwe (g/cm) Mphamvu yopindika (MPa) Modulus of elasticity (GPa) Thermal conductivity(W/m·K) @25℃ Coefficient of linear expansion(×10°/℃) 25-200°℃
    T60SIC/AI 2.998 260 229 220 8.64
    T65SIC/AI 3.018 255 243 236 7.53
    T70SIC/AI 3.05 251 258 217 6.8
    T75SIC/AI 3.068 257 285 226 5.98


    Ubwino wazinthu: Kutentha kwapamwamba kwambiri, kapangidwe kake kosiyanasiyana, kocheperako kawotchi kakang'ono (kofanana ndi kuchuluka kwa matenthedwe azinthu za chip) Kutsika kowotcherera kwa porosity.

    IGBT phukusi loyambira mbale: The matenthedwe madutsidwe zitsulo zotayidwa silicon carbide ndi mkulu ndi otsika matenthedwe kufutukula koyenera (matenthedwe coefficient ofanana ndi chip chuma), bwino kuchepetsa kuthekera kwa phukusi akulimbana akulimbana, kusintha moyo utumiki wa mankhwala. Mu njanji yothamanga kwambiri, magalimoto amagetsi atsopano, radar, magetsi opangira magetsi kuti alowe m'malo mwa aluminiyamu, mkuwa, tungsten yamkuwa, molybdenum yamkuwa, beryllium, ceramics ndi zida zina zonyamula ma microelectronics.


    Kuyerekeza kwa magwiridwe antchito a AISIC ndi zida zina zonyamula


    Zipangizo Kachulukidwe (g/cm*) Kukula kwa mzere (x 10°/ ° C) Thermal conductivity (W/m·K) Kuuma kwapadera (Gpa cm/g)
    AISIC 2.8-3.2 4.5-16 163-255 76-108
    Ndi 8.9 17 393 5
    AI (6061) 2.7 makumi awiri ndi mphambu zitatu 171 25
    Journal 8.3 5.9 14 16
    Invar 8.1 1.6 11 14
    Ku/Mo(15/85) 10 7 160 28
    Ku/W(15/85) 17 7.2 190 16