Kayan da aka Gyara Mafi Nasara: Gilashin Fiber Mai Ƙarfafawa Mai Gyaran Fenolic Resin (FX-501)

Fenolic Fiber ɗin Gilashi, daga cikin farkon resin roba na masana'antu, yawanci polycondensate ne wanda aka samar ta hanyar polymerization na phenols da aldehydes a gaban alkaline catalyst. Sannan ana gabatar da wasu ƙarin abubuwa don haɗa tsarin macromolecular, suna canza shi zuwa tsarin macromolecular mai girma uku wanda ba ya narkewa kuma ba zai iya narkewa ba, ta haka ya zama na yau da kullun kayan polymer na thermosetting. Ana matuƙar daraja resin phenolic saboda kyawawan halayensu, gami da kyakkyawan juriya ga harshen wuta, kwanciyar hankali, da kuma ƙarfin injina mai kyau. Waɗannan halaye sun haifar da bincike mai zurfi da amfani da kayan resin gilashin phenolic.

Yayin da tattalin arzikin masana'antu ke ci gaba da sauri, ana ƙara buƙatu akan aikin phenolic Kayan Fiber na Gilashis. Saboda haka,zare-zaren gilashin phenolic masu ƙarfi da juriya ga zafiana ci gaba da haɓaka da amfani da su sosai. Resin phenolic da aka gyara da aka ƙarfafa da zaren gilashi (FX-501)A halin yanzu yana ɗaya daga cikin kayan resin gilashin phenolic da aka fi samun nasara. Sabon nau'in kayan phenolic ne da aka gyara kuma aka ƙarfafa wanda aka ƙirƙira ta hanyar haɗa zaruruwan gilashi cikin matrix na resin na asali ta hanyar haɗawa.

Kayayyakin Inji da Matsayin Tsarin Mulki

Gilashin phenolic fiber resinsau da yawa ana zaɓar shi azaman matrix don kayan da ke jure lalacewa, tensile, da matsewasaboda ƙarfinsa mai kyau, juriyar sinadaran da ke narkewa, da kuma kyawawan halayen injiniya kamar hana harshen wuta. kayan matrixgalibi yana aiki a matsayin abin ɗaurewa, yana haɗa dukkan abubuwan haɗin ta hanyar halitta. Zaren gilashiSuna aiki a matsayin manyan sassan ɗaukar kaya a cikin kayan da ba sa jure lalacewa, suna samar da ƙarfin ɗaukar kaya, kuma aikinsu mai kyau yana tasiri kai tsaye ga tasirin ƙarfafawa akan matrix.

Aikin matrix ɗin shine haɗa sauran sassan kayan tensile sosai, tabbatar da cewa an canja wurin kaya daidai gwargwado, an rarraba su, sannan aka rarraba su zuwa ga nau'ikan zare-zare na gilashi daban-daban. Wannan yana ba da wani ƙarfi da tauri ga kayan. Zare-zare na yau da kullun, gami da zare-zaren gilashi, zare-zaren halitta, Zaren Karfes, da zare na ma'adinai, suna taka rawa wajen daidaita ƙarfin taurin kayan.

Nauyin Load a cikin Haɗaɗɗun Haɗaɗɗu da Tasirin Abubuwan da ke Cikin Zare

A cikin Tsarin kayan haɗin fiber na gilashin phenolic, duka biyun Zaruruwa da resin matrix suna ɗaukar nauyin, tare da zare-zaren gilashi da suka rage babban mai ɗaukar kaya. Lokacin da aka fuskanci lanƙwasa ko matsin lamba na matsewa, matsin lambar yana canzawa daga resin matrix zuwa zaren gilashi ɗaya ta hanyar haɗin, yana wargaza ƙarfin da aka ɗauka yadda ya kamata. Wannan tsari yana inganta halayen injiniya na kayan haɗin. Saboda haka, ƙaruwa mai dacewa a Abubuwan da ke cikin zaren gilashi na iya haɓaka ƙarfin haɗakar zaren gilashin phenolic.

Sakamakon gwaji ya nuna waɗannan:

• Haɗaɗɗen fiber ɗin gilashin phenolic tare da kashi 20% na fiber ɗin gilashiyana nuna rashin daidaiton rarrabawar zare, inda wasu yankuna ma ba su da zare.
• Haɗaɗɗen fiber ɗin gilashin phenolic tare da kashi 50% na fiber ɗin gilashiyana nuna rarrabawar zare iri ɗaya, saman karyewar da ba ta dace ba, kuma babu wata alama mai mahimmanci ta fitar da zare mai yawa. Wannan yana nuna cewa zaren gilashin za su iya ɗaukar nauyin tare, wanda ke haifar da ƙarfin lankwasawa mafi girma.
• Idan abun cikin fiber ɗin gilashi ya kai kashi 70%, yawan sinadarin zare yana haifar da ƙarancin sinadarin resin matrix. Wannan na iya haifar da "rashin kyawun resin" a wasu yankuna, yana kawo cikas ga canja wurin damuwa da kuma haifar da yawan damuwa na gida. Saboda haka, gabaɗayan halayen injiniya na kayan haɗin fiber ɗin gilashin phenolic. suna raguwa.

Daga waɗannan binciken, Matsakaicin adadin da aka yarda da ƙara zaren gilashi a cikin haɗakar zaren gilashin phenolic shine 50%.

Inganta Aiki da Abubuwan da Ke Tasiri

Daga bayanan lambobi, Haɗaɗɗun zare na gilashin phenolic waɗanda ke ɗauke da zare na gilashi 50%nuna kimanin ƙarfin lankwasawa sau ukukuma ƙarfin matsi sau huɗuidan aka kwatanta da tsantsar resin phenolic. Bugu da ƙari, wasu abubuwan da ke tasiri ga ƙarfin robobi masu ƙarfi na gilashin phenolic sun haɗa da tsawon zaren gilashida kuma nasu alkiblar.