Views: 0 Author: Site Editor Bɔli waati: 2026-07-23 Bɔyɔrɔ: Yɔrɔ
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PTFE (Polytetrafluoroethylene) bɛ daminɛ ka toli ni 400 °C ɲɔgɔn ye. Ni a bɛ gazi jenilen 3000 °C ɲɔgɔn na ka bɔ motɛriw la, a bɛ depolimɛri teliya ka kɛ tetarafluoroéthylène monomɛriw ye. O kemikɛli jɛɲɔgɔnya tigɛcogo ye endothermique reaction ye kosɛbɛ. Fɛn kilo kelen-kelen bɛɛ bɛ funteni caman minɛ, ka funteni fanga caman wuli ka kɛ kɔnɔna gazi fanga ye ani ka funteni bɔ kogo sanfɛ cogo ɲuman na.
I n’a fɔ Jiangsu y’a sɛgɛsɛgɛ cogo min na PTFE finiw dilannikɛlaw, minnu ka funteni ka bon , o fasa caman cili ni endothermique decomposition processus bɛ kɛ sababu ye ka nɛnɛ barikalan baarakɛta dɔ dilan funteni insulation layɛrɛ sanfɛ. A bɛ dɔ bɔ kosɛbɛ funteni jiginni na min bɛ taa nɛgɛ motɛri so kɔnɔ ani ka so fanga bɔnɛ bali min bɛ sɔrɔ funteni kojugu fɛ.
Gazi hakɛ caman i n’a fɔ tetarafluoroetilɛni minnu bɛ sɔrɔ PTFE tiɲɛni fɛ, olu bɛ don kɛnɛma ka tɛmɛ mikro-porow fɛ insulasi layini sanfɛ i n’a fɔ fiɲɛ bilali degun kɔrɔ. O jama bɔli kɛcogo in bɛ dugukolo funteni caman bɔ ani ka nɛnɛ fangama di.
Gazi minnu bɛ boli, olu bɛ dalajɛ kogo kan ka kɛ gazi filimu ye min bɛ woyo, o bɛ gazi jenilen funteni caman bɔ kogo la. Nin gazi filimu in bɛ funteni-kɛlɛliba jira kosɛbɛ, wa a bɛ funteni-taamacogo fanga dɔgɔya kosɛbɛ. Kɔrɔbɔliw y’a Jira k’a bɛ Se ka kogo kɛrɛfɛ funteni-bɔli hakɛ Dɔgɔya ni 50% ni kɔ ye.
Gazi filimu bɛ teliya ni funteni tilatilali caman sɛmɛntiya dancɛ kɔnɔ, ka fasa fila jibɔ tilennenw ni ɲɔgɔnkanu nɔgɔya kosɛbɛ nɛgɛfɛnw bɛ minnu kɔnɔ i n’a fɔ aliminiyɔmu kogo la ani ka masinw bɔli bali.
PTFE pirolisi kɔfɛ, tolenw bɛ kɛ karɔbɔni porose ye min nɔrɔlen bɛ fɛn tolibaliw la. Nin char layɛrɛ in bɛ 3D réseau skeleton jira ani ka structure continuité dɔw mara.
I n’a fɔ Jiangsu PTFE finiw dilannikɛlaw y’a jira cogo min na, minnu falen bɛ yɔrɔ lakolonw datugulenw na, char layini bɛ ni funteni minɛcogo ye min ka dɔgɔ kosɛbɛ ka tɛmɛ lastikuw matirili fɔlɔ kan, ka jigin fo ka se 0,1 W/(m·K) bonya ma. A bɛ Kɛ i n’a fɔ funteni-taama balilanba ani ka funteni jɛnsɛnni sumaya kɔnɔna na layini kɔnɔ.
Hali ni a bɛ porose, char layer bɛ se ka aerodynamique shear stress dɔw muɲu, o bɛ funteni insulation structure dafalen garanti ani ka deep-layer fɛnw lakana ka bɔ thermal shock jugumanba la baara kuntaalajan waati.
PTFE yɛrɛ bɛ coefficient de friction ultra-low (~0,04) jira. Ni a falen don ablation liner kɔnɔ, a bɛ frictional shear jigin cogo kabakoma na min bɛ sɔrɔ gazi bolicogo fɛ min falen bɛ fɛnɲɛnamafagalanw na teliya la, ka dɔ bɔ masinw ka bɔgɔbɔli la, ani ka insulasi layini bali ka 'finman kɛ ni gazi sɔgɔli ye\
A tiɲɛni bɛ taa ɲɛ ka taa a fɛ ani ka a kɔlɔsi, a bɛ kɛ ni ablation rate dɔgɔyalen ye ani char-forming performance ɲuman. Insulasi layini bɛ dun dɔɔni dɔɔni ani ka kɛ kelen ye, o bɛ a janya nafama sabati waati jan kɔnɔ ani ka sow sumaya kojugu tiɲɛni bali min bɛ sɔrɔ sigida jeninida fɛ.
Jiangsu PTFE finiw dilannikɛlaw ka fɔ la, ɛntɛrinɛti waleyali la, PTFE mugu min bonya ye mikron ye, o bɛ fa ka kɛ matiriyali ye min bɛ se ka wuli i n’a fɔ EPDM (Ethylene-Propylene-Diene Monomer) lastikuw ani NBR (Nitrile Butadiene Rubber). Jeni-yɔrɔ insulation liners ani propellant grain cladding layers bɛ dilan ni molde pressing walima winding processus ye. O fɛn ninnu bɛ tali kɛ kosɛbɛ misiri jɔlenw na minnu bɛ bɔ sanfɛ-fiɲɛ fɛ, minnu bɛ kɛ kurun kɛlɛli la ani minnu bɛ kɛ ni taktika ye ani fana sankolola-minɛnw na walasa ka jɔli sumaya lakanani lakana.
Kunnafoni minnu bɛ sanfɛ, olu bɛ di Jiangsu Aokai Kura Materiel Teknoloji Co., Ltd.
N’aw b’a fɛ ka fɛn ɲɛfɔlenw sɔrɔ, baarakɛcogo minnu bɛ kɛ ka kɛɲɛ ni mɔgɔw sago ye ani fura minnu bɛ kɛ ka kɛɲɛ ni mɔgɔw sago ye an ka fɛn dilannenw bɛɛ lajɛlen na, i n’a fɔ PTFE fini min bɛ funteni caman bɔ, PTFE kasɛti min bɛ nɔrɔ funteni caman na, PTFE cɛsirilan min bɛ funteni caman bɔ, fɛnɲɛnamafagalan cɛsirilan min tɛ sɔgɔ, PTFE fini min bɛ kɛ fan kelen fɛ, fɛnɲɛnamafagalan min bɛ se ka funteni caman kɛlɛ ani fibreglasi min bɛ se ka funteni caman kɛlɛ fini, aw bɛ se ka anw sɔrɔ nin kanw fɛ minnu bɛ duguma:
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