Kushandiswa kweUltra-Short Carbon Fiber

Seimwe yenhengo huru mumunda wepamusoro wezvinhu zvakagadzirwa nesimbi, fiber yekabhoni pfupi, ine hunhu hwayo hwakasiyana, yakakonzera kutariswa kukuru muminda yakawanda yeindasitiri netekinoroji. Inopa mhinduro itsva yekushanda kwepamusoro kwezvinhu, uye kunzwisisa kwakadzama kwetekinoroji yekushandisa kwayo uye maitiro ayo kwakakosha kuti kusimudzirwe maindasitiri ane hukama.

Maelektroni micrographs e ultrashort carbon fibers

Kazhinji, kureba kwe ultra-short carbon fibers kuri pakati pe 0.1 - 5mm, uye density yavo yakaderera pa 1.7 - 2g / cm³. Ne density yakaderera ye 1.7 - 2.2g / cm³, simba rekudhonza re 3000 - 7000MPa uye modulus yekusimba kwe 200 - 700GPa, aya maitiro akanaka emakanika anoumba hwaro hwekushandiswa kwayo muzvivakwa zvinotakura mutoro. Pamusoro pezvo, ine resistance yakanaka kwazvo yekupisa, uye inogona kutsungirira tembiricha yepamusoro inodarika 2000°C mumhepo isina oxidizing.

Tekinoroji yeKushandisa uye Maitiro eUltra-short Carbon Fiber muAerospace Field

Mumunda wemuchadenga, fiber yekabhoni ipfupi kwazvo inoshandiswa zvakanyanya kusimbisaresinmatrix composites. Chinokosha chetekinoroji iyi ndechekuita kuti kabhoni fiber iparadzirwe zvakaenzana mu resin matrix. Semuenzaniso, kushandisa tekinoroji yekupararira kwe ultrasonic kunogona kuputsa zvinobudirira chiitiko che carbon fiber agglomeration, kuitira kuti dispersion coefficient isvike kupfuura 90%, zvichiita kuti zvinhu zvienderane. Panguva imwe chete, kushandiswa kwetekinoroji yekurapa fiber pamusoro, senge kushandiswa kwemumiririri wekubatanidzakurapwa, kunogona kuita kutikabhoni faibhauye simba rekubatanidza resin interface rakawedzera ne30% - 50%.

Mukugadzira mapapiro endege nezvimwe zvikamu zvechimiro, kushandiswa kwetangi rinopisa rinodzvanya. Chekutanga, fiber yekabhoni pfupi uye resin zvakasanganiswa nechikamu chakati chakagadzirwa ne prepreg, zvinoiswa mutangi rinopisa rinodzvanya. Zvinozogadziriswa uye zvinoumbwa patembiricha ye120 - 180°C uye kumanikidzwa kwe0.5 - 1.5MPa. Maitiro aya anogona kuburitsa mabubble emhepo muzvinhu zvakasanganiswa kuti ave nechokwadi chekuti zvigadzirwa zviri muchimiro chakasimba uye kushanda zvakanaka.

Tekinoroji uye Maitiro ekushandisa Ultra-Short Carbon Fiber muIndasitiri yeMota

Pakushandisa fiber yekabhoni pfupi zvakanyanya pazvikamu zvemotokari, chinangwa chiri pakuvandudza kuenderana kwayo nezvinhu zvepakutanga. Nekuwedzera zvinobatanidza zvakananga, kubatana pakati pefiber yekabhoni nezvinhu zvekutanga (semuenzanisopolypropylene, nezvimwewo) zvinogona kuwedzerwa neinenge 40%. Panguva imwe chete, kuti ivandudze mashandiro ayo munzvimbo dzakaoma dzekushushikana, tekinoroji yekugadzira fiber orientation inoshandiswa kugadzirisa divi rekuenderana kwefiber zvichienderana nedivi rekushushikana.

Maitiro ekuumba majekiseni anowanzo shandiswa mukugadzira zvikamu zvakaita semahood emota. Mafiber ekabhoni mapfupi anosanganiswa nezvidimbu zvepurasitiki uye obva apinzwa mugomba remold kuburikidza nekupisa kwakanyanya uye kumanikidzwa. Tembiricha yekuisa jekiseni inowanzo kuve 200 - 280 ℃, kumanikidzwa kwekuisa jekiseni i50 - 150 MPa. Maitiro aya anogona kuita kuti zvikamu zvakaumbwa zvakaoma zviite nekukurumidza, uye anogona kuve nechokwadi chekupararira kwakafanana kwefibers dzekabhoni muzvigadzirwa.

Tekinoroji uye Maitiro eKushandiswa kweCarbon Fiber muMagetsi eMagetsi

Munyaya yekuparadza kupisa kwemagetsi, kushandiswa kwekupisa kwemafuta e-ultra-short carbon fibers kwakakosha. Nekuvandudza mwero wegraphitization yemafuta e-carbon fiber, kupisa kwayo kunogona kuwedzerwa kusvika kupfuura 1000W/(mK). Panguva imwecheteyo, kuti ive nechokwadi chekuti inobatana zvakanaka nezvinhu zvemagetsi, tekinoroji yekugadzirwa kwesimbi pamusoro, senge chemical nickel plating, inogona kuderedza kuramba kwemafuta e-carbon fiber pamusoro neanopfuura 80%.

Maitiro ekugadzira poda anogona kushandiswa mukugadzira ma heatsinks eCPU ekombuta. Kabhoni iyi inosanganiswa nehupfu hwesimbi (semuenzaniso hupfu hwemhangura) uye inopiswa nekupisa kwakanyanya uye kumanikidzwa. Tembiricha yekupisa inowanzo kuve 500 - 900°C uye kumanikidzwa kuri 20 - 50 MPa. Maitiro aya anogonesa kabhoni kugadzira nzira yakanaka yekufambisa kupisa nesimbi uye inovandudza kushanda zvakanaka kwekupisa.

Kubva muindasitiri yendege kuenda kuindasitiri yemotokari kusvika kumakambani emagetsi, nekuvandudzwa kuri kuramba kuchienderera mberi kwetekinoroji uye kugadzirisa maitiro, kwenguva pfupi zvikurukabhoni faibhaichapenya muminda yakawanda, ichiisa simba rakasimba resainzi yemazuva ano netekinoroji uye budiriro yemaindasitiri.