Alesi Dzoxɔxɔ Kpɔa Ŋusẽ Ðe Elektrikŋusẽ ƒe Dzoxɔxɔ Ŋu le PTFE Avɔ si ƒe Dzoxɔxɔ Deŋgɔ Ŋu

PTFE avɔ si ƒe dzoxɔxɔ lolo ŋutɔ abe elektrik-nulénu ene le kaƒoƒo, transformer layers, motor windings, kple high-frequency circuits me. Wozãa Gake dzoxɔxɔ ƒe tɔtrɔ – tso vuvɔ si le tsikpe me dzi va ɖo dzoxɔxɔ si nu sẽ dzi – trɔa eƒe nuwɔna si xea mɔ na dzoxɔxɔ. Ðe nàte ŋu aɖo ŋu ɖe PTFE avɔ ŋu le dzoxɔxɔ 200°C mea? Nukae dzɔna le dzoxɔxɔ si wu 260°C me?

Ŋuɖoɖoa me kɔ nyuie. PTFE ƒe molecule ƒe wɔwɔme naa wòte ŋu xea mɔ na dzoxɔxɔ ɖedzesi aɖe le eƒe dɔwɔwɔ ƒe akpa gãtɔ me, gake ne ewu 260°C la, ehea nugbegblẽ si womate ŋu atrɔ o vɛ. Eye togbɔ be vuvɔ ƒe dzoxɔxɔ nana elektrikŋusẽ ƒe dɔwɔwɔ nyona ɖe edzi hã la, enaa nusi wotsɔ blae la gbãna.

Aokai PTFE do nusiwo xea mɔ na dzoxɔxɔ ƒe nɔnɔmewo kpɔ le dzoxɔxɔ si gbɔ eme me. Nyati sia ma dɔwɔwɔ ɖe akpa etɔ̃ me: dɔwɔwɔ nyuie (-180°C va ɖo 260°C), dzoxɔxɔ si gbɔ eme (>260°C), kple dzoxɔxɔ si bɔbɔ (<0°C), kple nyatakaka vevi siwo ku ɖe tsitretsitsi, dielectric ŋusẽ, kple nusiwo wògblẽna ŋutɔŋutɔ ŋu.

Dɔwɔwɔ ƒe didime si sɔ: -180°C va ɖo 260°C – Insulation si li ke ŋutɔ

Le akpa sia me la, PTFE avɔ si ƒe dzoxɔxɔ lolo la léa elektrikŋusẽ ƒe xɔxlɔ̃ ɖedzesi kple esi li ke me ɖe asi – viɖe vevi aɖe si doa alɔ eƒe dɔwɔƒewo ƒe dɔwɔwɔ le afisiafi.

1. Volume & Anyigba ƒe Tsitretsitsi

Mɔnu: Tsitretsitsi dzi ɖena kpɔtɔna le mɔ si sɔ nu ne dzoxɔxɔ le dzi yim elabena dzoxɔxɔ si kɔ wu doa ŋusẽ PTFE molecule kɔsɔkɔsɔwo ƒe dzoxɔxɔ ƒe ʋuʋu eye wònaa ɖiƒoƒo suesuesuewo tsɔlawo ƒe ʋuʋu kabakaba. Gake ne PTFE ƒe dzoxɔxɔ nye 200°C gɔ̃ hã la, ewɔa dɔ nyuie wu mɔ̃ɖaŋununya ƒe plastik akpa gãtɔ le xɔme ƒe dzoxɔxɔ nu.

De dzesii le anyigba ƒe tsitretsitsi ŋu: Anyigba ƒe tsitretsitsi te ŋu xɔa yame ƒe fafa bɔbɔe ŋutɔ. PTFE menye tsilénu kloe o; tsi si le anyigba dzi la ƒuna le dzoxɔxɔ si kɔ me, si wɔnɛ be tsi si le anyigba dzi la li ke wu le xɔ si me fafa le ŋutɔ me.

2. Dielectric Ŋusẽ (Breakdown Voltage) .

• Eɖena kpɔtɔna ne yame ƒe dzoxɔxɔ le dzi yim. Molekyulãwo ƒe dzoxɔxɔ ƒe ʋuʋu si nu sẽna ɖe edzi nana be elektrikŋusẽ ƒe nugbegblẽ ate ŋu agblẽ nu le nusi wotsɔ wɔe ŋu bɔbɔe wu.

• Tso xɔme ƒe dzoxɔxɔ va ɖo 200°C la, ɣeyiɣi kpui aɖe ƒe elektrikŋusẽ ƒe ŋusẽ dzi ɖena kpɔtɔna abe 20%–40% ene ..

• Togbɔ be ele alea hã la, avɔ nyuitɔ si ƒe titrime anɔ abe milimeta 0.1 ene gakpɔtɔ te ŋu nɔa te ɖe kilovolt geɖe (alo kilovolt ewo na hatsotso siwo le kpekpem wu) nu le 200°C me – woléa xɔtunu sesẽ ƒe ŋutete ɖe te.

3. Dielectric Madzudzɔmadzudzɔe & Dissipation Factor – Tɔtrɔ suetɔ kekeake

Nusitae esia le vevie: PTFE ƒe molecule ƒe wɔwɔme si sɔ ŋutɔ kple ultra-low polarization kakaɖedzi dzesi ƒe kaka si li ke kple ultra-low dzoxɔxɔ dzidzi le high-frequency & high-temperature subɔsubɔdɔ te. Esia na PTFE dze be enye nusi sɔ nyuie si xea mɔ na RF kple microwave dɔwo.

Aokai PTFE dzoxɔxɔ gã avɔ nye esi asisiwo gblɔ na high-frequency transformer insulation le eƒe li ke Dk (2.05±0.05) kple ultra-low tanδ (0.0002-0.0005) le -50 ° C va ɖo 200 ° C domedome. Míenaa dielectric nunɔamesi dodokpɔ ŋuti nyatakakawo ne wobia.

Dzoxɔxɔ Kɔkɔtɔ ƒe Agbɔsɔsɔme: Wu 260°C – Gbegblẽ si womate ŋu atrɔ o

PTFE ƒe subɔsubɔ ƒe dzoxɔxɔ si ŋu woɖe mɔ ɖo ɣeyiɣi didi wu la hea ŋutilã kple atike ƒe gbegblẽ si womate ŋu atrɔ o vɛ – ke menye nunɔamesi ƒe tɔtrɔ si woate ŋu atrɔ o.

Nuxlɔ̃ame vevi aɖe: Togbɔ be gɔmeɖoanyi fiberglass avɔa nɔa te ɖe 550-750°C hafi wòfa hã la, fiberglass ƒuƒlu si womefa o xɔa tsi bɔbɔe le PTFE ƒe nutsyɔnu ƒe kpododonu megbe eye mate ŋu awɔ dɔ le eɖokui si na elektrikŋusẽ si nu sẽ ƒe xɔxlɔ̃ o.

Dzoxɔxɔ si le bɔbɔe ƒe didime: Le 0°C te – Elektrikŋusẽ si nyo wu gake Mɔ̃ɖaŋununya si me gblẽ

Nu vevi siwo woatsɔ ayi: Togbɔ be wodo elektrikŋusẽ si xea mɔ na elektrikŋusẽ ɖe edzi le dzoxɔxɔ si bɔbɔ me hã la, PTFE ƒe nutsyɔnu la va zua gbagbã. Le cryogenic dɔwɔwɔwo gome (le kpɔɖeŋu me, nitrogen ka siwo nye tsi, magnet siwo tsɔa nu geɖe wu), kpɔ egbɔ be wometsɔ avɔa ƒo ɖe eŋu sesĩe alo mɔ̃ɖaŋununya ƒe nuteɖeamedzi si le -79°C te o. Ne wonya gbã ko la, nusiwo xea mɔ na ya ƒe blibonyenye buna eɖanye elektrikŋusẽ ka kee wòle o.

Kpuie ko la – Nɔ 260°C me hena xɔxlɔ̃ si ŋu kakaɖedzi le

In summary , le dɔwɔwɔ ƒe dzoxɔxɔ si wokafu ɖaa (≤260°C) me la, dzoxɔxɔ dea ŋusẽ gbegblẽ si womate ŋu atsɔ ɖeke le eme o PTFE avɔ si ƒe dzoxɔxɔ lolo ƒe elektrik-nulénu dzi. Volume resistivity gakpɔtɔ le 10⊃1;⊃3 dzi; Ω·cm le dzoxɔxɔ 200°C me; dielectric constant nɔa 2.0-2.1 dzi; dissipation factor si le 0.001 te. Esia na PTFE nye dzoxɔxɔ gã ƒe nusiwo li ke wu siwo li la dometɔ ɖeka – vevietɔ exɔ asi na dɔwɔwɔ siwo me wowɔa dɔ le zi geɖe afisi polymer bubuwo bu vevie le.

Ne wonya do dzo akpa wòwu 260°C ko la, nusiwo xea mɔ na ya ƒe gbagbã dzea egɔme tso mɔ̃wo ƒe fafa kple eƒe tɔtrɔ me, eye mlɔeba wòtrɔna zua elektrikŋusẽ ƒe gbagbã keŋkeŋ. Ne yame ƒe dzoxɔxɔ wu 400°C la, carbonization naa mɔ siwo me tsi tona yia teƒeteƒewo nɔa anyi ɖaa. Le 0°C te la, elektrikŋusẽ ƒe nɔnɔmewo nyona ɖe edzi, gake mɔ̃wo ƒe gbagbã ate ŋu agbã afɔku be nusi wotsɔ blae la nagbã.

Èhiã PTFE avɔ si me dzoxɔxɔ le ŋutɔ si ŋu kakaɖedzi le be wòaxe mɔ ɖe dzoxɔxɔ nu na wò dzoxɔxɔ ƒe didimea? Aokai PTFE naa dielectric dodokpɔ ŋuti nyatakaka blibo tso -70°C va ɖo 260°C. Te ɖe mía ŋu nàgblɔ wò dɔwɔwɔ ƒe dzoxɔxɔ, elektrikŋusẽ, kple ɣeyiɣi ƒe didime ƒe nudidiwo.

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