Ɛntɛrinɛti ɲɛmɔgɔ kanulenw, sannifeere jɛɲɔgɔnw, ani fɛɛrɛko latigɛbagaw-la:
An ka don o don fɛɛrɛko lajɛw la, ɲininkali min bɛ kɛ an na tuma caman na, o tɛ "Sɔngɔ ye mun ye?" nka a ka c'a la, "Nin sigilan in bɛna mɛn fo waati jumɛn tiɲɛ na?"
Kunnafonidila caman ye nin ko in sɔrɔ: misali bɛ sigicogo ɲuman jira sɛgɛsɛgɛli waati, nka a bɛ ji walima fiɲɛ bɔli daminɛ kalo saba baara kɔfɛ; walima, hali ni a gɛlɛya bɛ sariyaw dafa, fɛn minnu bɛ se ka wuli, olu bɛ kɔlɔsi ni u farala ɲɔgɔn kan. Nin ko ninnu bɛɛ ju bɔra farikolo-ɲɛnajɛ-fɛn jɔnjɔnba la laminiko la – Compression Set (CS).
Bi, an bɛna tɛmɛ hakilinaw kan minnu tɛ fɛn ye, wa, k’a daminɛ molekiyɔmu cakɛdaw ni porozew jɔcogo la, ka sariyakolow tiɲɛ minnu bɛ sigili kɛcogo dantigɛ.
I. Ka segin ka taa "Deformation permanente compression" la.
Silikoni fomulen siratigɛ la, sigili baara bɛ bɛn gɛlɛya ma; sigili baara fana bɛ bɛn se ka kɛ ka deformation deformation kɛlɛ.
Compressive permanent deformation (deformation permanent de compression) bɛ tali kɛ bɔgɔlan hakɛ la, sɛgɛsɛgɛli kɛcogo jɔnjɔn tɛ se ka min sɔrɔ a jiginnen kɔfɛ, ni sɛgɛsɛgɛli kɛra ni hakɛ kɛrɛnkɛrɛnnen ye (misali la, 25% walima 50%) funteni kɛrɛnkɛrɛnnen na (misali la, degere 100 ) waati latigɛlen kɔnɔ (misali la, lɛrɛ 22 walima lɛrɛ 72). Nafa fitinin min bɛ nin paramɛtiri in na, o b’a jira ko fɛn in minɛni hakɛ ka bon kosɛbɛ ani ko farati ka dɔgɔn ka bɔ a la.
Ni bɔgɔbɔgɔ banbali nafama kɛra dɔrɔn, o b’a jira ko:
Interface stress relaxation: Kɔrɔbɔli fanga min bɛ flansɛ ɲɔgɔndan na, o bɛ dɔgɔya ani ka bin kɔnɔna cɛmancɛ tansiyɔn jukɔrɔ.
Microchannels formation : pores kari walima ka bin, o bɛ na ni leakage channels ye minnu bɛ ɲɔgɔn cɛ.
Ladonni tuma caman: Bolo ka kan ka siri tuma bɛɛ walasa ka degun bɔnɛnenw musaka bɔ.
II. Fɛnba naani minnu bɛ deformational fate dantigɛ
Compressive deformation (deformation de compression) nɔ tɛ bɔ fɛn kelen na, nka a bɛ "ingénierie systematique" kɛcogo gɛlɛn dɔ jira. An ye o wale in tila tilayɔrɔ naani ye minnu tɛ kelen ye, k’a ta mikroskɔpi la ka taa a bila makɔrɔskɔpi sɛgɛsɛgɛli la:
1. Fɛnɲɛnɛma Jɛnɛya: Formulasi sigidaw ka tulonkɛ dinamiki
O ye bɔgɔbɔgɔli sababu kɔnɔna ye, min bɛ dɔn ni silikɔni lastikuw ni farali sira ye.
Lastikuw (polimɛri basigilen) sugandili : Vinɛri kɔnɔfɛnw ni molekiyɔmu girinya tilatilali bɛ nɔ bila ɲɔgɔndan density la k’a ɲɛsin ɲɔgɔn ma. Lastikuw kɛnɛ minnu ka sɔgɔli ka bon kojugu, olu bɛ cakɛda molekiyɔmuw sirili jugu jira, o b’a to a ka gɛlɛn cakɛdaw ma ka sɛgɛn degun waati; o de kosɔn, deformation banbali ka teli ka tɛmɛ a dan kan.
Barikadon ni ɲɔgɔndan kɛcogo : "Sanula wuliyɔrɔ" bɛ vulcanising agents hakɛ la. Hali ni vulcanizing agent tɛmɛnen bɛ dɔ fara gɛlɛya kan, o bɛ se ka molekiyɔmu cakɛdaw kɛ fɛn gɛlɛnw ye kojugu ani ka dɔ bɔ u ka sɛgɛsɛgɛli la, o la, a bɛ nɔ jugu bila sɛgɛn degun kunbɛnni na.
Foam agent matching : Foam hakɛ ka kan ka bɛn ni vulcanization hakɛ ye. Ni fomu bɛ kɛ joona kojugu ni cross{1}}linking ma kɛ, bulon kogow bɛna fin kojugu, wa u bɛna kari o yɔrɔnin bɛɛ ni u digidigi; ni cross-jὲɲɔgɔnya Kɛra teliya la kojugu k'a sɔrɔ foyi bɛ Tɛmɛ, bulonw tɛna Se ka bonya ka ɲɛ, o bɛ Nà ni selilu datugulen-dafalen hakɛ dɔgɔyali ye.
2. Microstructure: Poro volume fraction dagalen-poroze hakɛ tilatilali ani pores hakɛ tilatilali
Nin ye kɛlɛyɔrɔba ye min na silikoni fomulen ni silikoni gɛlɛn tɛ kelen ye.
Jamana ɲuman : A ye fɛn kelen ye, min ka ɲi-sɔgɔsɔgɔninjɛ la, min kɔnɔna na, a datugulen{1}}selilu hakɛ ka bon. Ni a kɛra degun ye, gazi min bɛ selilu datugulenw kɔnɔ, o bɛ Boyle ka sariya labato (P1V1=P2V2), o bɛ fiɲɛ dɛmɛ di min bɛ seliluw seginni teliya nɔgɔya ni degun bɔra.
Porozɛni nafama : Ni poroze hakɛw tɛ kelen ye (porozɛni dagalen walima da wulilen bɛ yen), degun degun bɛna kɛ poro belebelebaw de kan. Ni o yɔrɔ barikama ninnu kɛra plastiki bɔgɔlan walima u karilen ye, sigilan cross-yɔrɔ bɛɛ ka degun hakɛ nafama bɛna tunun kudayi.
3. Baarakɛcogo : Kɔrɔya nɔ minnu bɛ sɔrɔ funteni ni kunnafonidilanw fɛ-
Nin ye kɛnɛyako ye ani sababu fɔlɔ min bɛ -site dɛsɛko caman kɔfɛ.
Kɔrɔya min bɛ sɔrɔ funteni fɛ-oksidan fɛ : Funteni caman bɛ silikɔni polimɛri kɔkolo oksidan tigɛli teliya. Waati tɛmɛnen kɔ, fɛn in sanfɛla bɛ gɛlɛya, wa kɔnɔna cross-linking density bɛ Changé, o bɛ na ni compressive stress relaxation barikama ye. Ni degere 150 , silikoni gansan ka bɔgɔbɔgɔli hakɛ bɛ se ka kɛ siɲɛ 3–5 ye ka tɛmɛ min kɔlɔsira so funteni na.
Compression ratio setting: It is generally recommended that the compression ratio be between 15% and 25%. An excessively high compression ratio (>30%) bɛna selilɛriw sɔgɔsɔgɔ k’a ɲɛsin u yɛrɛ ma, ka farikolo tiɲɛni kɛ min tɛ se ka segin kɔ; ni degun hakɛ dɔgɔyara kojugu, o tɛna se ka dasiri hakɛ fɔlɔ tansiyɔn nafama sigi sen kan.
4. Jogincogo : Farikolo dɛsɛ degun kɛcogo la
Mikɔrɔskɔpu kɔnɔ, a ka c’a la, degun dɛsɛ bɛ kɛ ni taabolo saba ye:
Fasa fɔlɔ (Gazi bɔli): Tansiyɔn jiginni barikama bɛ gazi min bɛ dingɛ datugulen kɔnɔ, o wajibiya ka bɔ mikroporow fɛ minnu bɛ bugun kogo la.
Fase II (Bubble Wall Folding): Bubble wall, min ɲɛsinnen bɛ ɲɔgɔn ma ni degun sira ye, o bɛ kurukuru banbaliw sɔrɔ sɔgɔli fanga kɔrɔ.
Fasa III (Bubble wall rupture): Bubble wall, min ɲɛsinnen bɛ compression direction ma, o bɛ kari ka a sababu kɛ a sɔgɔli kojugu ye; o kɔfɛ, bulonba minnu bɛ kɛrɛfɛ, olu bɛ fara ɲɔgɔn kan, ka kɛ kari ye min bɛ kɛ ni makɔrɔskɔpi ye.
III. Gafe min b’a to an bɛ se ka an yɛrɛ tanga jaanw ma minnu bɛ sɔrɔ tuma caman na ni i bɛ fɛnw sugandi
Anw minnu ye baarakɛla ye, an t’a ɲini kiliyanw fɛ u k’u sinsin "nafaw" dɔrɔn kan minnu kofɔlen bɛ sɛgɛsɛgɛli rapɔɔri kɔnɔ; o nɔ na, u ka kan k'u janto "nafaw la baarakɛcogo yɛrɛyɛrɛw kɔnɔ." Ladilikan nafama saba filɛ nin ye:
"Kɔrɔya kɔfɛ" kunnafoniw ɲini, sanni ka "sɛgɛsɛgɛli fɔlɔ" kunnafoniw ɲini.
Aw bɛ a lajɛ ni compression permanent deformation data ye min sɔrɔla kɔrɔya kɔfɛ degere 150 la lɛrɛ 72 kɔnɔ walima degere 225 la lɛrɛ 24 kɔnɔ, i n’a fɔ a dilabaga y’a jira cogo min na. Baara ɲuman kɛli so funteni na, o tɛ sabatili garanti di funteni kɔrɔtalen na.
Aw bɛ "stress relaxation" kurulen jateminɛ
Compressive permanent deformation ye ko ye min bɛ kɛ yɔrɔ kelen na, k’a sɔrɔ stress relaxation ye wale ye min bɛ kɛ ni fanga ye. Ni cogoyaw y’a to, a ka kan ka ɲini feerekɛla fɛ a ka kuru dɔ di min b’a jira cogo min na fanga min bɛ kɛ, o bɛ toli waati kɔnɔ ni degun hakɛ kofɔlen ye. Ni jiginni nɔgɔyara, o b’a jira ko sigili baara waati ka jan.
Gɛlɛya ni density sɔrɔli baarakɛcogo la:
Degun dɔgɔman-dasiyɔn, sigili jɔlen (misali la, buguri lakanani yeelenbɔlanw na): Fɛn minnu ka gɛlɛn-gɛlɛya ka dɔgɔn, minnu bɛ segin ka segin ka caya (dansi 0,35–0,45 g/cm3) bɛ se ka sugandi.
Tansiyɔn caman, sigili fangama (misali la, fanga batiriw): A ka ɲi ka baara kɛ ni fɛnw ye minnu ka gɛlɛn ka se -ka se{4}}ba ma ani minnu ka selilu dagalen hakɛ ka bon (dansity: 0,5–0,7 g/cm3), ani ka dɛmɛn kɔkili dilancogo bɛnnenw don u kɔnɔ.
Anw minnu ye Sinuwa feerela tɔgɔba ye fomu silikɔni baarakɛyɔrɔ la, an nafa ka bon ka tɛmɛn ka dan sigilanw kurulen dɔ lase dɔrɔn; a bɛ sɔrɔ ka "ladonni-fura" sigicogo dɔ di aw ma ɲɛnamaya kɔnɔna bɛɛ la – min bɛ sɔrɔ furakɛlicogo ɲuman fɛ (ka cross{1}}jὲɲɔgɔnya/foaming compatibility optimizing) ani taabolo kɔlɔsili gɛlɛn (ka pores jɔcogo kelen sabati).
Ni aw bɛ fɛnw ɲini minnu bɛ se ka kɛ ka fɛnw datugu minnu bɛ bɛn baarakɛcogo kɛrɛnkɛrɛnnenw ma-i n’a fɔ funteni min ka dɔgɔn kosɛbɛ, fiɲɛ jugumanba, walima yɛrɛyɛrɛba-frequency-aw kana siga ka kuma an fɛ waati o waati. An bɛ se ka deformation prediction data customized di minnu bɛ bɛn i ka compression ratio lakika ma ani funteni wajibiyalenw ma, k’i dɛmɛ ka design-farati minnu bɛ tali kɛ dilancogo-ko la, olu nɔgɔya data{6}}driven insights fɛ.