silicon carbide puav
Khoom muag kom ntxaws
Qhov ntom yog qhov siab, qhov saum npoo yog du. Kev kub siab thiab siab compressive thiab flexural zog, tsis muaj deformation. Txaus qaug, kuj zoo poob siab thermal, tsis yooj yim. Cov tshuaj tiv thaiv oxidation zoo, siv los hlawv rau hauv qhov cub oxidizing cua thiab txo qhov huab cua. Muaj peev xwm txhim kho kev siv tus nqi ntawm lub kiln thiab lub zog txuag hluav taws xob.
Piv nrog recrystallized thiab nitride sib raug zoo sic, lub sij hawm ntev kev ua ntawm cov tshuaj tiv thaiv-sintered sic zoo dua. Lub zog flexural ntawm cov tshuaj tiv thaiv-sintered sic yog ntau dua ob zaug ntawm recrystallized sic thiab li 50% siab dua li ntawm nitride bonded sic.
Khoom lag luam
Raws li cov neeg siv khoom loj thov lossis kos duab
Tsis tu ncua qhov ntev (hli):
600 * 500 600 * 470 600 * 400 500 * 500 500 * 370 500 * 340 500 * 450 485 * 460 450 * 450 450 * 420 420 * 380 360 * 360 340 * 340 330 * 330 320 * 320 310 * 310mm
Nco tseg: Thickness ntawm cov neeg siv khoom yuav tsum tau ua
Cov yam ntxwv
• kev txuag hluav taws xob zoo.
• Lub teeb hnyav dua thiab lub peev xwm thauj khoom siab dua.
• Zoo heev distortion tsis kam ntawm qhov kub.
• Muaj cov thermal conductivity zoo
• Siab Hluas tus qauv
• Tsis tshua muaj cua sov nthuav dav coefficient
• Lub siab tawv tawv
• Lub zog muaj zog
• Siv tiv taus
• Cov tshuaj tiv thaiv oxidation zoo
Cov ntaub ntawv txheej txheem
| Kev tsis | Chav Nyob | SiC | SSiC | Sic + C |
| Lub Zog | HS | 110 | 115 | 105 |
| Porosity Tus Nqi | % | <0.3 | <0.2 | <0.5 |
| Yog ceev | g / cm3 | 3.00 ~ 3.05 | > 3.10 | 2.69-2.90 |
| Hlob Lub Zog | MPa | > 2200 | > 2500 | > 1400 |
| Fractural Lub Zog | MPa | > 350 | > 380 | > 150 |
| Coefficient ntawm tshav kub nthuav dav | 10-6 / oC | 4.0 | 4.2 | 3.5 |
| Cov ntsiab lus ntawm Sic | % | 90 | ≥98 | ≥85 |
| Dawb Si | % | 10 | 1 | 12 |
| Elastic Modulus | GPa | ≥400 | ≥410 | 350 |
| Ntsig Kub | oC | 1300 | 1400 | 1300 |
Vim li cas Xaiv peb?
Peb muaj ntau tshaj li 10 xyoo ntawm kev paub, cov khoom siv siab heev thiab pab pawg tshaj lij nyob hauv daim teb no. Nrog cov thawj coj ua lub zog, kev tswj hwm kev ua haujlwm zoo thiab kev pabcuam zoo, peb tau pom zoo los ntawm cov neeg siv khoom hauv kev lag luam chemical, roj av, hluav taws xob, metallurgy, lub tsev tsim khoom, aerospace, tshuab thiab lwm yam lag luam.
