Polytetrafluoroethylene (PTFE), wanda aka san shi da kwanciyar hankali na sinadarai, juriya mai yawa/ƙananan zafin jiki, da kuma ƙarancin gogayya, ya sami laƙabi da "Plastic King" kuma ana amfani da shi sosai a masana'antar sinadarai, injina, da lantarki. Duk da haka, PTFE mai tsarki yana da lahani kamar ƙarancin ƙarfin injiniya, sauƙin kamuwa da nakasar kwararar sanyi, da rashin kyawun yanayin zafi. Don shawo kan waɗannan ƙuntatawa, an ƙirƙiri haɗakar PTFE da aka ƙarfafa da zare na gilashi. Wannan kayan yana inganta ma'aunin aiki da yawa sosai yayin da yake riƙe da manyan kaddarorin PTFE, godiya ga tasirin ƙarfafa zare na gilashi.
1. Ingantaccen Haɓaka Halayen Inji
Tsarin sarkar kwayoyin halitta mai daidaito sosai da kuma yawan lu'ulu'u na PTFE mai tsarki yana haifar da rauni a cikin ƙarfin intermolecular, wanda ke haifar da ƙarancin ƙarfi da tauri na injiniya. Wannan yana sa ya zama mai sauƙin lalacewa a ƙarƙashin ƙarfin waje mai mahimmanci, yana iyakance aikace-aikacensa a cikin filayen da ke buƙatar ƙarfi mai yawa. Haɗa zaruruwan gilashi yana kawo babban ci gaba ga halayen injiniya na PTFE. Ana siffanta zaruruwan gilashi da ƙarfinsu mai girma da kuma babban modulus. Lokacin da aka warwatse su daidai gwargwado a cikin matrix na PTFE, suna ɗaukar nauyin waje yadda ya kamata, suna haɓaka aikin injiniya gabaɗaya na mahaɗin. Bincike ya nuna cewa tare da ƙara adadin zaruruwan gilashi mai dacewa, ƙarfin PTFE na iya ƙaruwa da sau 1 zuwa 2, kuma ƙarfin lanƙwasa ya zama mafi ban mamaki, yana inganta da kusan sau 2 zuwa 3 idan aka kwatanta da kayan asali. Taurin kuma yana ƙaruwa sosai. Wannan yana ba da damar PTFE mai ƙarfafa zaruruwan gilashi don yin aiki da aminci a cikin yanayin aiki mai rikitarwa a cikin masana'antar injina da sararin samaniya, kamar a cikin hatimin injiniya da abubuwan ɗaukar kaya, yana rage gazawar da rashin ƙarfin abu ya haifar.
2. Ingantaccen Aikin Zafi
Duk da cewa PTFE mai tsarki yana aiki sosai a cikin juriya mai zafi da ƙarancin zafi, wanda ke da ikon amfani da shi na dogon lokaci tsakanin -196°C da 260°C, kwanciyar hankalinsa ba shi da kyau a yanayin zafi mai yawa, inda yake da saurin lalacewar zafi. Ƙara zaruruwan gilashi yana magance wannan matsala ta hanyar ƙara zafin karkatar da zafi (HDT) na kayan da kuma daidaiton girma. Zaruruwan gilashi kansu suna da juriya da ƙarfi mai yawa. A cikin yanayin zafi mai yawa, suna iyakance motsi na sarƙoƙin kwayoyin halitta na PTFE, ta haka suna rage faɗaɗa zafi da nakasa na kayan. Tare da ingantaccen abun ciki na zaruruwan gilashi, zafin karkatar da zafi na zaruruwan gilashi da aka ƙarfafa PTFE za a iya ƙara shi da sama da 50°C. Yana kiyaye daidaiton siffa mai ƙarfi da girma a ƙarƙashin yanayin aiki mai zafi, yana mai da shi dacewa da aikace-aikace tare da buƙatun kwanciyar hankali mai zafi, kamar bututun mai zafi da gaskets mai zafi.
3. Rage yawan kwararar sanyi
Guduwar sanyi (ko rarrafe) babbar matsala ce da ke tattare da tsaftar PTFE. Yana nufin raguwar filastik a hankali wanda ke faruwa a ƙarƙashin kaya akai-akai akan lokaci, koda a yanayin zafi mai ƙarancin gaske. Wannan halayyar tana iyakance amfani da tsaftar PTFE a aikace-aikace waɗanda ke buƙatar siffa ta dogon lokaci da kwanciyar hankali na girma. Haɗa zaruruwan gilashi yana hana yanayin kwararar sanyi na PTFE yadda ya kamata. Zaruruwan suna aiki azaman kwarangwal mai tallafawa a cikin matrix na PTFE, yana hana zamewa da sake tsara sarƙoƙin kwayoyin halitta na PTFE. Bayanan gwaji sun nuna cewa saurin kwararar sanyi na fiber ɗin gilashi da aka ƙarfafa PTFE ya ragu da kashi 70% zuwa 80% idan aka kwatanta da tsantsar PTFE, wanda ke haɓaka daidaiton girma na kayan a ƙarƙashin kaya na dogon lokaci. Wannan ya sa ya dace da ƙera sassan injina masu inganci da sassan tsari.
4. Inganta Juriyar Sakawa
Ƙarancin ƙarfin gogayya na tsarkakken PTFE yana ɗaya daga cikin fa'idodinsa, amma kuma yana ba da gudummawa ga rashin ƙarfin juriyar sawa, wanda ke sa shi ya zama mai sauƙin sawa da canja wurin yayin ayyukan gogayya. PTFE mai ƙarfafa zaren gilashi yana inganta taurin saman da juriyar sawa na kayan ta hanyar tasirin ƙarfafa zaren. Taurin zaren gilashi ya fi na PTFE girma, yana ba shi damar tsayayya da lalacewa yadda ya kamata yayin gogayya. Hakanan yana canza tsarin gogayya da lalacewa na kayan, yana rage lalacewa mai manne da gogewar PTFE. Bugu da ƙari, zaren gilashi na iya samar da ƙananan buɗaɗɗen haske akan saman gogayya, yana ba da wani tasirin hana gogayya da rage sauye-sauye a cikin ma'aunin gogayya. A aikace-aikace na amfani, lokacin da aka yi amfani da shi azaman kayan don abubuwan gogayya kamar bearings masu zamiya da zoben piston, rayuwar sabis na PTFE mai ƙarfafa zaren gilashi yana ƙaruwa sosai, mai yiwuwa sau da yawa ko ma sau da yawa idan aka kwatanta da tsarkakken PTFE. Nazarin ya nuna cewa juriyar sawa na mahaɗan PTFE cike da zaren gilashi za a iya inganta shi da kusan sau 500 idan aka kwatanta da kayan PTFE marasa cikewa, kuma ƙimar PV mai iyaka tana ƙaruwa kusan sau 10.
5. Ingantaccen Tsarin Zafin Jiki
Pure PTFE yana da ƙarancin ƙarfin lantarki na thermal, wanda ba ya da amfani ga canja wurin zafi kuma yana da ƙuntatawa a aikace-aikace tare da buƙatun watsa zafi mai yawa. Fiber ɗin gilashi yana da ƙarfin lantarki na thermal, kuma ƙari ga PTFE na iya, zuwa wani mataki, inganta ƙarfin lantarki na kayan. Duk da cewa ƙara fiber ɗin gilashi ba ya ƙara yawan ƙarfin lantarki na PTFE sosai, yana iya samar da hanyoyin watsa zafi a cikin kayan, yana hanzarta saurin canja wurin zafi. Wannan yana ba wa fiber ɗin gilashi mai ƙarfi PTFE mafi kyawun damar aikace-aikace a cikin filayen lantarki da lantarki, kamar a cikin faifan zafi da substrates na allon kewaye, yana taimakawa wajen magance matsalolin tarin zafi da ke da alaƙa da rashin kyawun ƙarfin lantarki na PTFE mai tsabta. Ingantaccen ƙarfin lantarki na thermal kuma yana taimakawa wajen watsa zafi mai gogayya a aikace-aikace kamar bearings, yana ba da gudummawa ga ingantaccen aiki.
Tsarin Amfani: Ana amfani da wannan kayan haɗin gwiwa sosai a cikin hatimin masana'antu, bearings/bushings masu nauyi, kayan aikin semiconductor, da sassa daban-daban masu jure lalacewa a masana'antar sinadarai. A fannin lantarki, ana amfani da shi wajen kera gaskets masu rufewa don kayan lantarki, rufi don allunan da'ira, da hatimai daban-daban na kariya. Ayyukansa sun ƙara faɗaɗa zuwa ɓangaren sararin samaniya don yadudduka masu sassauƙa na rufi.
Bayani Kan Iyakoki: Duk da cewa zaren gilashi yana ƙara yawan halaye da yawa, yana da mahimmanci a lura cewa yayin da zaren gilashi ke ƙaruwa, ƙarfin tauri, tsawaitawa, da tauri na haɗin na iya raguwa, kuma ma'aunin gogayya na iya ƙaruwa a hankali. Bugu da ƙari, zaren gilashi da haɗin PTFE ba su dace da amfani a cikin kafofin alkaline ba. Saboda haka, tsarin, gami da kashi na zaren gilashi (yawanci 15-25%) da yuwuwar haɗuwa da wasu abubuwan cikawa kamar graphite ko MoS2, an tsara shi don biyan takamaiman buƙatun aikace-aikace.
Lokacin Saƙo: Disamba-05-2025