Ƙananan ƙananan gilashin gilashi Waɗannan ƙananan ƙwayoyin gilashi ne da aka sarrafa musamman, waɗanda galibi ana siffanta su da ƙarancin yawa da ƙarancin ƙarfin zafi fiye da ƙananan ƙwayoyin gilashi. Wani sabon nau'in kayan abu ne mai sauƙi wanda aka haɓaka a shekarun 1950 da 1960. Babban kayansa shine borosilicate, tare da girman barbashi na gabaɗaya na 10 ~ 250μm da kauri na bango na 1 ~ 2μm; ƙananan ƙwayoyin gilashi suna da. Yana da halaye na ƙarfin matsi mai yawa, babban wurin narkewa, babban juriya, da ƙaramin ƙarfin zafi da raguwar zafi. An san shi da "kayan zamanin sararin samaniya" a ƙarni na 21. Ƙananan ƙananan gilashin gilashi suna da tasirin rage nauyi a bayyane da kuma hana sauti da kuma tasirin hana zafi, don haka kayayyakin suna da kyakkyawan aikin hana fashewa da kuma sake sarrafawa, kuma ana amfani da su sosai a cikin kayan haɗin gwiwa kamar filastik mai ƙarfi na gilashi, marmara ta wucin gadi, agate ta wucin gadi, da kuma a masana'antar mai, masana'antar sararin samaniya da sararin samaniya. Sabbin jiragen ƙasa masu sauri, motoci da jiragen ruwa, rufin rufi na zafi da sauran fannoni sun haɓaka ci gaban ayyukan kimiyya da fasaha na ƙasata yadda ya kamata. Domin biyan buƙatun kayan sadarwa na 5G masu ƙarancin dielectric, ƙarancin asara da nauyi mai sauƙi, ƙananan microspheres na gilashi suma suna taka muhimmiyar rawa saboda ƙarancin farashi da kyakkyawan aiki.
1 - Sinadarin
Sinadarin sinadarai na ƙananan ƙwayoyin gilashi (rabo na taro)
SiO2: 50% -90%, Al2O3: 10% -50%, K2O: 5% -10%, CaO: 1% -10%, B2O3: 0-12%
2- Siffofi
launi fari tsantsa
Ana iya amfani da shi sosai a cikin kowace samfurin da ke da buƙatu kan kamanni da launi.
3- yawan haske
Yawan microspheres na gilashi masu rami ya kai kusan kashi ɗaya bisa goma na yawan ƙwayoyin cika na gargajiya. Bayan cikawa, ana iya rage nauyin tushen samfurin sosai, ana iya maye gurbin ƙarin resins na samarwa da adanawa, kuma ana iya rage farashin samfurin.
4-Rashin son zuciya
Ƙananan gilashin da ke da ramuka suna da sauƙin jikawa da warwatsewa, kuma ana iya cika su da yawancin resins na thermosetting thermoplastic, kamar polyester, resin epoxy, polyurethane, da sauransu.
5-Kyakkyawan ruwa mai tsafta
Tunda ƙananan ƙwayoyin gilashi masu ramin ƙananan ƙwallo ne, suna da ruwa mai kyau a cikin resin ruwa fiye da flake, allura ko abubuwan cikawa marasa tsari, don haka suna da kyakkyawan aikin cika mold. Mafi mahimmanci, ƙananan ƙananan ƙwayoyin suna da isotropic, don haka babu wata illa ta raguwar raguwar abubuwa daban-daban a sassa daban-daban saboda yanayin da aka saba da shi, wanda ke tabbatar da daidaiton girman samfurin kuma ba zai karkace ba.
6- Rufewar zafi da sauti
Cikin ƙananan gilashin da ke cikin ramin iskar gas ne mai siriri, don haka yana da halayen rufin sauti da rufin zafi, kuma kyakkyawan cikawa ne ga nau'ikan rufin zafi da kayayyakin rufin sauti daban-daban. Haka kuma ana iya amfani da kaddarorin rufin gilashi masu duhu don kare kayayyaki daga girgizar zafi da ke faruwa sakamakon sauyawa tsakanin yanayin dumama da sanyi mai sauri. Babban juriya na musamman da ƙarancin shan ruwa yana sa a yi amfani da shi sosai wajen samar da kayan rufin kebul.
7- Rashin shan mai
Barbashin da ke cikin ƙwallo suna tabbatar da cewa yana da ƙaramin yanki na musamman da ƙarancin yawan shan mai. A lokacin amfani, ana iya rage yawan resin sosai, kuma ɗanko ba zai ƙaru sosai ba ko da kuwa a ƙarƙashin babban adadin da aka ƙara, wanda hakan ke inganta yanayin samarwa da aiki sosai. Ƙara ingancin samarwa da kashi 10% zuwa 20%.
8- Ƙarancin ma'aunin dielectric
Darajar Dk na ƙananan microspheres na gilashi mai zurfi shine 1.2 ~ 2.2 (100MHz), wanda zai iya inganta halayen dielectric na kayan yadda ya kamata.
Roba don beads na gilashi masu rami
(1) Don gyaran robobi na injiniya kamar nailan, PP, PBT, PC, POM, da sauransu, yana iya inganta ruwa, kawar da fallasa fiber ɗin gilashi, shawo kan warpage, inganta aikin hana harshen wuta, rage yawan amfani da fiber ɗin gilashi, da rage farashin samarwa.
(2) Cika da PVC mai tauri, PP, PE, da kuma kayan da aka tsara, bututu da faranti na iya sa samfuran su sami kwanciyar hankali mai kyau, inganta tauri da zafin juriya ga zafi, inganta aikin farashi na samfura, inganta ingancin samarwa da rage farashi.
(3) Cika PVC, PE da sauran kebul da kayan rufe fuska na iya inganta juriyar samfurin ga yanayin zafi mai yawa, rufin, juriyar acid da alkali da sauran halaye da aikin sarrafa samfura, ƙara yawan fitarwa da rage farashi.
(4) Cika farantin tagulla da aka lulluɓe da resin epoxy zai iya rage ɗanɗanon resin, ƙara ƙarfin lanƙwasawa, inganta halayensa na zahiri da na injiniya, ƙara zafin canjin gilashi, rage ma'aunin dielectric, rage shan ruwa, da rage farashinsa.
(5) Cika shi da polyester mara cikawa zai iya rage raguwar ruwa da kuma yawan ruwan wanke-wanke na samfurin, inganta juriya da tauri, da kuma rage ramuka yayin lanƙwasawa da shafa shi. Ana amfani da shi don samfuran FRP, ƙafafun gogewa, kayan aiki, da sauransu.
(6) Cika da silicone resin na iya inganta halayen jiki da na inji, kuma yawan cikawa na iya rage farashi sosai, wanda shine kayan da ya dace don samar da molds.
Lokacin Saƙo: Mayu-30-2022