I-SiC yokuvala indandatho

Incazelo emfushane:


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Incazelo:

I-Silicon Carbide inendawo yokumelana nokugqwala okuhle kakhulu, amandla amakhulu emishini, amandla aphezulu okushisa, ukuzigcoba okuhle okusetshenziswa njengobuso bophawu, amabherethi namashubhu kumkhumbi-mkhathi, imishini, i-metallurgy, ukuphrinta nokudaya, ukudla, imithi, imboni yezimoto nokunye. ku. Lapho ubuso be-sic buhlanganiswe nobuso be-graphite ukungqubuzana kuncane kakhulu futhi kungenziwa kube izigxivizo zemishini ezikwazi ukusebenza ngezidingo eziphezulu zokusebenza.

Izakhiwo eziyisisekelo ze-Silicon Carbide:

-Ukuminyana okuphansi

-I-thermal conductivity ephezulu (eduze ne-aluminium)

-Ukumelana nokushaqeka okuhle kokushisa

-Ubufakazi boketshezi negesi

-I-refractoriness ephezulu (ingasetshenziswa ku-1450 ℃ emoyeni kanye ne-1800 ℃ emkhathini ongathathi hlangothi)

-Ayithintwa ukugqwala futhi ayimanzisi nge-aluminium encibilikisiwe noma i-zinc encibilikisiwe.

-Ukuqina okuphezulu

-I-coefficient yokungqubuzana okuphansi

-Ukumelana nemihuzuko

-Imelana nama-asidi ayisisekelo futhi aqinile

-Iyaphucuzeka

-Amandla aphezulu emishini

Isicelo seSilicon Carbide:

-Izigxivizo zemishini, ama-bearings, ama-thrust bears, njll

-Amalunga ajikelezayo

-Semiconductor kanye enamathela

-Pizikhangiso Pump izingxenye

-Izingxenye zamakhemikhali

-Izibuko zezinhlelo ze-laser zezimboni.

- Ama-reactors agelezayo, izishintshi zokushisa, njll.

Isici
I-silicon carbide yenziwa ngezindlela ezimbili:

1)Pi-silicon carbide engenasici

Ngemva kokuba impahla ye-silicon carbide engacindezeli isifakiwe, umdwebo wesigaba se-crystal ngaphansi kwe-200X optical microscope ubonisa ukuthi ukusatshalaliswa nobukhulu bamakristalu kufana, futhi ikristalu enkulu kunazo zonke ayidluli i-10μm.

2) RI-silicon carbide eyenziwe nge-eaction sintered

Ngemuva kokusabela i-silicon carbide iphatha ngamakhemikhali ingxenye eyisicaba nebushelelezi yezinto ezibonakalayo, ikristalu
ukusatshalaliswa nosayizi ngaphansi kwe-200X optical microscope kufana, futhi okuqukethwe kwe-silicon yamahhala akudluli u-12%.

 

Izakhiwo Zobuchwepheshe

Inkomba

Iyunithi

Inani

Igama Lempahla

Pressureless Sintered Silicon Carbide

Ukusabela Sintered Silicon Carbide

Ukwakheka

I-SSiC

I-RBSiC

Ukuminyana kwenqwaba

g/cm3

3.15 ± 0.03

3

Amandla e-Flexural

I-MPa (kpsi)

380(55)

338(49)

Amandla Acindezelayo

I-MPa (kpsi)

3970(560)

1120(158)

Ukuqina

Knoop

2800

2700

Breaking Tenacity

I-MPa m1/2

4

4.5

I-Thermal Conductivity

W/mk

120

95

I-Coefficient of Thermal Expansion

10-6/°C

4

5

Ukushisa Okuthize

I-Joule/g 0k

0.67

0.8

Izinga lokushisa eliphezulu emoyeni

1500

1200

I-Elastic Modulus

I-Gpa

410

360

 

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