Polycarbosilane (PCS) yog silicone polymer nrog Si-C daim ntawv cog lus ua cov saw tseem ceeb thiab cov khoom siv Si-H. Nws yogfeem ntau yog ib qho khoom iav los yog khov amber. Qhov hnyav molecular thiab kev faib tawm ntawm nws cov khoom PCS tuaj yeem hloov kho ntawm 1000 txog 2200. Lub softening kub tuaj yeem tsim nyob rau hauv ntau yam: 180 degree -230 degree . Polycarbosilane tuaj yeem siv los npaj silicon carbide silicon nitride nruam fibers, bulk ze-loj silicon carbide ceramic matrix, thiab lwm yam.

Khoom Specifications

Qhov project	Tshawb xyuas cov txiaj ntsig
Qhov tshwm sim	Tsis muaj xim los yog lub teeb daj lumpsand hmoov
Softening Point	180~210
Melting ntau	<30
Oxygen cov ntsiab lus ntawm cov khoom tawg	<1.5%
Tus lej nruab nrab molecular hnyav	1000-2200
Dispersion (Mw/Mn)	<3.5
Ceramic tawm los	>57%

Polycarbosilane Siv thaj chaw

product-1037-316

Silicon carbide fiber ntau

Qhov kev pabcuam siab tshaj plaws ntawm silicon carbide fiber ntau ncav cuag 1200 degree. Nws cov cua kub tsis kam thiab oxidation tsis kam yog zoo dua li carbon fiber. Nws lub zog tuav tus nqi yog ntau tshaj 80% ntawm qhov siab tshaj plaws kev pab cuam kub, thiab nws cov tshuaj stability kuj zoo. Nyob rau hauv cov nqe lus ntawm morphology, lawv muab faib ua ob hom: whiskers thiab nruam fibers. Cov khoom lag luam tshiab niaj hnub SiC fiber ntau muaj qhov nruab nrab fiber ntau txoj kab uas hla ntawm 12 μm, chav tsev kub elastic modulus ntawm 280 GPa, thiab qhov nruab nrab tensile lub zog ntawm 3.3 GPa.

Khoom Specifications

Serial tooj	Hom qhov taw qhia	Technical parameters
1	Qhov loj me,%	3301:1.0-2.5
1	Qhov loj me,%	3303:0.8-2.0
2	Txoj kab uas hla, m	12.0±1.0
3	Specification (filaments ib pob)	500
4	Discrete coefficient ntawm monofilament txoj kab uas hla,%	＜20
5	Kab ceev, Tex	180±10
6	Qhov ceev, g / cm3	3.10±0.15
7	Tensile zog ntawm monofilament, GPa.	Ntau dua lossis sib npaug rau 2.8
8	Tensile lub zog ntawm pob, GPa	Ntau dua lossis sib npaug rau 2.6
9	Discrete coefficient ntawm pobzog,%	＜10
10	Tensile modulus ntawm elasticity,GPa	Ntau dua lossis sib npaug li 350
11	Discrete coefficient ntawm tensile modulus,%	＜10
12	Elongation ntawm tawg,%	Ntau dua lossis sib npaug rau 0.8
13	Discrete coefficient ntawm elongation ntawm tawg,%	＜10
14	SiC grain loj, nm	＞8
15	Cov ntsiab lus oxygen, wt%	＜1.0
16	Cov ntsiab lus carbon, wt%:	30.9±2.0
17	Silicon cov ntsiab lus, wt%	68.9±2.0
18	Carbon rau silicon atomic ratio	1.05±0.10
19	Hightemperature zog tuav piv	1250 degree argon, 1h.>90% los yog tuav lub zog Ntau dua los yog sib npaug rau 2.5GPa
19	Hightemperature zog tuav piv	1250 degree cua, 1h.>80% lossis tuav lub zog Ntau dua lossis sib npaug rau 2.5Gpa

Silicon carbide fiber ntau daim ntawv thov thaj chaw

product-1035-315

Silicon nitride (Si3N4) fiber ntau

Silicon nitride fiber ntau yog kub-resistant, high-strength ceramic fiber nrog cov tshuaj formula Si3N4. Nyob rau hauv qhov chaw oxidizing, nws qhov siab tshaj plaws ua haujlwm kub yog 1300 degree; Nyob rau hauv qhov chaw uas tsis yog-oxidizing, nws qhov siab tshaj plaws ua haujlwm kub yog 1800 degree. Lub zog tensile thiab elastic modulus tuaj yeem ncav cuag 1000MPa thiab 300GPa feem. Lub thermal expansion coefficient yog tsawg thiab hnav tsis kam yog zoo heev. Nws yog tsuas yog siv los ntxiv dag zog rau cov hlau thiab ceramics.

Khoom Specifications

Serial tooj	Hom qhov taw qhia	Technical parameters
1	Qhov loj me,%	4101:1.5~3.5%
1	Qhov loj me,%	4103:0.9~2.9%
2	Txoj kab uas hla, m	13.0±1.0
3	Discrete coefficient ntawm monofilament txoj kab uas hla,%	＜20
4	Kab ceev, Tex	155±8
5	Qhov ceev, g / cm3	2.25±0.10
6	Monofilament tensile zog	Ntau dua lossis sib npaug rau 1.60GPa
7	Bundle lub zog tensile	Ntau dua lossis sib npaug rau 1.60GPa
8	Tensile elastic modulus	Ntau dua lossis sib npaug rau 140GPa
9	Cov ntsiab lus oxygen, wt%	Tsawg dua lossis sib npaug rau 3.0%
10	Cov ntsiab lus carbon, wt%:	Tsawg dua lossis sib npaug rau {{0}}.9%, cov ntsiab lus nitrogen: (37.0± 3.0)%;
11	High kub lub zog tuav tus nqi	1250℃ argon, 1h: >1.30 GPa,
11	High kub lub zog tuav tus nqi	1200℃ air, 1h: >1.20 GPA.

Silicon nitride fiber ntau daim ntawv thov thaj chaw

product-1035-316

Alumina fiber ntau

Qhov kev pab cuam mus sij hawm ntev ntawm alumina fibers tsis tu ncua tuaj yeem ncav cuag li 1200-1300C. Ib txoj kab uas hla fiber ntau yog li ntawm 7-14 microns thiab tsis muaj cov khoom siv organic. Nws yog kiag li tsis muaj teeb meem rau tib neeg noj qab haus huv. Nws cov khoom tseem ceeb muaj xws li: woven fabrics, woven bets, braided ropes, braided tes tsho, sewing threads thiab lwm yam textiles, uas yog siv nyob rau hauv fireproof thiab thermal rwb thaiv tsev mos muaj peev xwm, ceramic-based thiab hlau-raws li cov ntaub ntawv. Alumina nruam fiber ntau muaj qhov kub thiab txias, siab zog thiab oxidation tsis kam, thiab yog cov khoom siv tseem ceeb rau kev tsim cov khoom siv high-end tiam tshiab.

Khoom Specifications

Qhov project	Classification kub	Melting point	Xim	Kuaj qhov hnyav	Khoom siv	Al2O3	Al2O3+SiO2
fiber paj rwb	1700	1840	Dawb	80	Alumina fiber ntau	95	99.5

Alumina fiber ntau daim ntawv thov thaj chaw

product-1038-317

Yog tias muaj teeb meem zoo tshwm sim, peb yuav muab tag nrho cov nyiaj rov qab thiab dais tag nrho cov nqi thauj khoom. Xa lus nug tam sim no kom tau txais 10% luv nqi, thov hu rau peb ntawm WhatsApp lossis Email peb los tham.

product-716-224

Txuas: Dab tsi yog daim ntawv thov ntawm cov khoom siv polycarbosilane?

Tom ntej: Dab tsi yog cov yam ntxwv ntawm silicon carbide fiber ntau?

Tom ntej: Dab tsi yog cov yam ntxwv ntawm silicon nitride fiber ntau?

Txuas: Dab tsi yog cov yam ntxwv thiab kev siv ntawm alumina fiber ntau?

Cim npe nrov: Tuam Tshoj Composite ceramic fiber precursor khoom manufacturers, hoobkas