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Fekitari inopa HW-D500C SiCNWs silicon carbide nanowires

Tsanangudzo Pfupi

Muzvakajairwa zveceramic matrix composites, HW-D500C SiCNWs silicon carbide nanowires isingasviki 10wt% inowanzowedzerwa. Mukuita kwakananga optimization, zvinokurudzirwa kutanga kubva pa1wt% uye zvishoma nezvishoma kuyedza nekugadzirisa.

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Fekitari inopa HW-D500C SiCNWs silicon carbide nanowires

Tsanangudzo:

Code	D500C
Zita	Silicon carbide nanowires
Formula	SICNWs
CAS Nha.	409-21-2
Diameter&Kureba	D <500nm L 50-100um
Kuchena	99%
Crystal Type	cubic
Chitarisiko	grey green
Package	10g,50g,100g,200g kana sezvinodiwa
Zvingango shandiswa	Yakasimbiswa uye yakaomeswa inoumbwa zvinhu, Metal matrix uye ceramic matrix composites yakasimbiswa uye yakaomeswa nesilicon carbide nanowires yakashandiswa zvakanyanya mumichina, indasitiri yemakemikari, kudzivirira kwenyika, simba, kuchengetedza kwezvakatipoteredza uye mamwe minda.

Tsanangudzo:

Izvo zvemuviri zvesilicon carbide nanowire:

Cubic crystal, inova rudzi rwekristaro yakafanana nedhaimondi.Irimwe-dimensional single crystal ine simba repamusoro uye chimiro chendebvu.Iyo ine akawanda akanakisa emuchina zvivakwa senge yakakwira simba uye yakakwira modulus, inova imwe yeakanakisa kusimbisa uye kuomesa zvinhu.

Kemikari zvimiro zvesilicon carbide nanowires:

Pfeka kuramba, tembiricha kuramba, special shock resistance, corrosion resistance, radiation resistance.

Main application directions yesilicon carbide nanowires:

1.SIC nanowires/ceramic matrix zvinoumba:SIC/TIC/WC/ALN/SI3N4/TIN/AL2O3/ZRO2/ZRB2 etc.

2.SIC nanowires/metal matrix anosanganisa:AL/TI/NI nezvimwe

3.SIC nanowires/polymer based composites:Naironi/resin/rabha/purasitiki nezvimwe

Kupararira uye Kuwedzera huwandu hweSiC Nanowires:

Kupararira uye Kuwedzera huwandu hweSiC Nanowires (yekutarisa chete)
Inokurudzirwa dispersion media: mvura yakasvibiswa, mvura yakasvibiswa, anhydrous ethanol, ethylene glycol.
Inokurudzirwa dispersant: Polyethylene imine (PEI), nonionic polyacry lamide (PAM), sodium pyrophosphate (SPP), maviri 80, silicon compound coupling agent, polyethylene glycol, sodium hexametaphosphate, sodium carboxymethyl cellulose (CMC), nezvimwewo.
Muzvakajairwa zveceramic matrix composites, silicon carbide nanowires isingasviki 10wt% inowanzowedzerwa. Mukuita kwakananga optimization, zvinokurudzirwa kutanga kubva pa1wt% uye zvishoma nezvishoma kuyedza nekugadzirisa.Zvinoenderana nemaitiro ekuyedza, iyo yakakwira yekuwedzera huwandu haisi iyo iri nani, ine hukama neyakabikwa, saizi yezvinhu, sintering tembiricha, inonzwisisika yekuwedzera huwandu inogona kuwana yakanyanya kuomesera maitiro.

Mushure mekusanganisa yakapararira SiC nanowire slurry uye ceramic poda, ramba uchiparadzira kwemaawa 1-12.bead mill dispersion kana mechanical stirring method inokurudzirwa.Iyo nzira yekugaya bhora iri nyore kuita kuti nanowires iparadze.

Kana kusanganiswa kweSiC nanowires uye matrix zvinhu zvisina kunaka, sodium hexametaphosphate ye1% mass yeSiCNW (kana kuti shoma isopropanol / ethanol) inogona kuwedzerwa se dispersant kunatsiridza kusanganisa kufanana.

Mushure mekupararira, kuoma uye kupera mvura kunofanira kuitwa pakarepo.Dururira slurry mumudziyo une nzvimbo yakakura kuti uparadzire iyo yakaonda, uye kuwedzera nzvimbo yacho inoputika uye inopera nyore nyore.Zvinonyanya kukosha kudzivisa delamination yezvinhu zvakasvibiswa pakati pe nanowires uye matrix.Iyo inokurudzirwa yekuomesa tembiricha ndeye 110-160 ℃.

SEM :