A cikin shekaru biyu da suka gabata, sakamakon ci gaban fasaha na kayan kariya na zafi da ke guduwa don sabbin batirin makamashi, abokan ciniki suna ƙara buƙatar ingantaccen aikin kariya na zafi tare da juriyar cirewa kamar yumbu - muhimmin abu don jure tasirin harshen wuta.
Misali, wasu aikace-aikacen suna buƙatar zafin cire harshen wuta na gaba na 1200°C yayin da suke kiyaye yanayin zafi na baya a ƙasa da 300°C. A cikin kayan sararin samaniya, cire harshen wuta na gaba acetylene a 3000°C yana buƙatar yanayin zafi na baya a ƙasa da 150°C. Babban ƙalubale shine ƙaruwar buƙatar aikin matsi a cikin kumfa mai siliki, wanda ke buƙatar ƙarancin matsi da kuma kyakkyawan riƙe rufin zafi a yanayin zafi mai yawa. Waɗannan kayan gaba ɗaya suna gabatar da sabbin buƙatun rufin zafi don fasahar ceramik.
Takamaiman buƙatun aiki (don tunani kawai):
A kunna samfurin a kan wani dandali na dumama kamar yadda aka nuna a ƙasa. A ajiye wurin zafi a 600 ± 25 °C na tsawon mintuna 10. A shafa matsin lamba na 0.8±0.05 MPa a zafin gwajin, don tabbatar da cewa zafin bayan saman ya kasance ƙasa da 200°C.
A yau, mun taƙaita waɗannan abubuwan don ku yi amfani da su.
1. Sinadarin Calcium Silicate – Ruwan Cika Farin Ciki Mai Rufe Fuska
Sinadarin calcium silicate na roba yana wanzuwa a cikin nau'i biyu: tsarin ramuka/siffa mai siffar ƙwallo da kuma tsarin fiber mai kama da yumbu. Duk da bambance-bambancen tsari da siffa, duka suna aiki a matsayin kayan cika fari masu kariya daga zafi mai zafi mai tsanani.
Sinadaran calcium silicate fiber suna da amfani ga muhalli kuma suna da amfani ga muhalli.kayan kariya na thermal mai amincitare da juriya mai zafi har zuwa 1200-1260°C. Foda na silicate na calcium da aka sarrafa musamman zai iya zama kayan da aka ƙarfafa fiber don rufin zafi mai yawa.
A halin yanzu, sinadarin calcium silicate mai ramuka ko zagaye mai zurfi yana da farin fata mai yawa, sauƙin haɗawa, tsarin nanoporous mai yawa, ƙimar shan mai mai yawa (har zuwa 400 ko sama da haka), da kuma 'yancin yin amfani da shi daga ƙwallan slag ko manyan barbashi. Ya tabbatar da amfaninsa a cikin rufin da ke jure zafi mai yawa da kuma bangarorin da ke jure wuta, yana nuna yuwuwar haɗa shi cikin kayan da ke jure wa ablation don samar da rufin zafi mai yawa.
Sauran aikace-aikacen sun haɗa da: ƙarin ruwa mai foda, murfin foda mai zafi mai zafi, masu ɗaukar turare, masu hana ɗigon ruwa, kayan hana birki, kayan gogayya na birki, robar silicone mai ƙarancin matsi da man silicone mai ruɓewa, cika takarda, da sauransu.
2. Mai Lakabi Mai Porous Magnesium Aluminum Silicate- Rufin Zafi & Juriyar Zafi Mai Girma
Wannan ma'adinin silicate yana buƙatar sinadarin calcination mai zafi sosai tare da juriya har zuwa 1200°C. An yi shi da sinadarin magnesium aluminum silicate, yana da tsari mai laushi mai laushi wanda ke ba da ƙarfi mai ƙarfi, juriya ga ruwa mai kyau, tsawon lokaci mai tsauri, da kuma inganci mai yawa.
Babban aikinsa ya haɗa da rufin zafi mai yawa, rage yawan yawa, haɓaka ƙarfin juriya, da ingantaccen juriyar ablation da rufin zafi don yadudduka da casings na carbon. Aikace-aikacen sun haɗa da kayan rufin da aka yi da yumbu, rufin kariya daga wuta mai kyau, kayan rufin kariya daga iska, da kayan rufin zafi masu jure zafi.
3. Ƙananan Microspheres na Yumbu - Juriyar Zafin Jiki Mai Girma, Rufewar Zafi, Ƙarfin Matsi
Babu shakka ƙananan gilashin gilashi masu haske kayan kariya ne masu kyau na zafi, amma juriyar zafinsu bai isa ba. Ma'aunin laushinsu gabaɗaya yana tsakanin 650-800°C, tare da yanayin narkewa a 1200-1300°C. Wannan yana iyakance amfani da su ga yanayin kariya na zafi mai ƙarancin zafi. A ƙarƙashin yanayin zafi mai girma kamar su yumbu da juriya na cirewa, ba sa aiki yadda ya kamata.
Ƙananan ƙananan yumbu namu suna magance wannan matsala. An yi su ne da aluminosilicate, suna ba da juriya ga zafin jiki mai yawa, ingantaccen rufin zafi, juriya mai yawa, da juriyar karyewa mai kyau. Aikace-aikacen sun haɗa da ƙarin yumbu na silicone, kayan rufin da ba su da ƙarfi, ƙarin ƙarin zafi mai yawa don resins na halitta, da ƙarin roba masu juriya ga zafin jiki mai yawa. Manyan sassan sun haɗa da sararin samaniya, binciken teku mai zurfi, kayan haɗin gwiwa, rufin rufi, rufin da ba ya da ƙarfi, masana'antar mai, da kayan rufi.
Wannan ƙaramin foda ne mai siffar ƙwallo mai jure zafi wanda yake da sauƙin haɗawa (ba kamar ƙananan gilashin da ke da ramuka ba, waɗanda ke buƙatar wargajewa kafin a ƙara su da kyau) kuma yana nuna juriya mai kyau ga tsagewa. Siffarsa ta musamman ita ce abu ne da ba ya shawagi a saman ruwa, wanda hakan ke sa ya zama mai sauƙin kauri da kuma lanƙwasa.
Bugu da ƙari, ɗan taƙaitaccen ambatonfoda na aerogel— wani abu ne mai rufi da silica mai laushi. Aerogel an san shi sosai a matsayin kyakkyawan mai hana zafi, wanda ake samu a cikin nau'ikan hydrophobic/hydrophilic. Wannan yana ba da damar zaɓar hanyoyin magani masu dacewa bisa ga abubuwan da aka yi amfani da su a cikin resin, magance ƙalubalen wargajewar nauyi mai sauƙi da kuma inganta wargajewar sa. Ana kuma samun manna na aerogel na ruwa don dacewa da tsarin ruwa.
Abubuwan da ke cikin foda aerogel na musamman na rufin zafi suna ba da damar amfani da shi a cikin: - Masu ɗaukar ƙarin roba da filastik - Kayan rufin zafi don sabbin batirin makamashi - Rufin rufin gini - Zaruruwan yadi na rufin zafi - Faifan rufin gini - Rufin rufin zafi mai hana wuta - Manne na rufin zafi.
Lokacin Saƙo: Satumba-22-2025
