Karubide ya silikoni ikoze mu buryo bwa Reaction-sintered ni ubwoko bushya bw'ibinyabutabire bigezweho, bifite imbaraga nyinshi, ubukana bwinshi, ubushobozi bwo kwangirika no kudashonga, kandi bikoreshwa cyane mu byuma, peteroli, ibikoresho by'ikoranabuhanga, indege n'ibindi. Ibi bicuruzwa birimo karubide ya silikoni ikora mu buryo bwa abrasive assistant carbon black, grafiti n'ibindi bikoresho bitandukanye, hakoreshejwe uburyo bwo gukanda byumye, gusohora cyangwa gusuka kugira ngo bigire ireme ry'imyenge, hanyuma ibi bikurikira hamwe kugira ngo dusobanukirwe uburyo bwo gukora karubide ya silikoni ikora mu buryo bwa reactive sintering!
Karubide ya silikoni ikora neza. Ubuvumbuzi ni gahunda ya tekiniki imaze igihe kinini nyuma y’ibizamini ibihumbi by’umuvumbuzi mu gihe cy’imyaka myinshi kugira ngo ateze imbere uburyo bwo gutunganya no gukora ibikoresho fatizo, cyane cyane uburyo bwihariye bwo gutunganya no gukoresha neza ibikoresho fatizo.
Mu kirego cya 1 cy'ubuhanga, igice cy'uburemere bw'ifu ya karuboni karuboni ni ibice 5 ~ 8, umukara wa karuboni ni ibice 0.5-1.5, grafiti ni ibice 1-1.5, naho umugozi ni ibice 0.1-0.5. Muri byo, ingano y'ingano ya karuboni karuboni ni ibice 90-30 (90-30m) ibice 3-5 (sic) 30-0.8m) ibice 2-3. Metili selulosi na PVA ifu y'ingagi byashyizwe mu mazi akwiye ibice 0.1-0.5, kandi umuti ubonerana wabonetse nyuma yo gushyushya.
1. Vanga ubwoko bwose bw'ifu, kole n'imiti byateguwe hakurikijwe formula hanyuma ubyuke neza.
2, sukura imashini ikoresha icyuma gishyushya, gera kuri 0.1Mpa, ushyiremo igitutu cy’urusenda ruvanze. Nyuma y’igihe runaka, urusenda rurarekurwa hanyuma agace karimo ubusa kagakurwamo. Bika kuri dogere 30-70 mu gihe cy’amasaha 18-20 kugira ngo byumye.
3. Kata igice cy'imbere ukurikije ibisabwa mu gishushanyo.
4, shyiramo icyuma gishyushya mu itanura, ongeramo uburemere bw'ibice 1-3 bya silikoni y'icyuma, ushyiremo icyuma gishyushya mu cyuma. Uburyo bugabanyijemo ubushyuhe buke 0-700, bugumane amasaha 3-5; Ubushyuhe buringaniye 700-1400, bugumane amasaha 4-6; Bugumane ku bushyuhe buri hejuru 1400-2200 amasaha 5-7. Manura ubushyuhe buri munsi ya 150, hagarika itanura hanyuma ufungure itanura.
5, ibikoresho byo gusya umucanga birimo silicon slag, hamwe n'ibikomoka ku gusya umucanga.
6, ibikoresho byo gutunganya ogisijeni mu itanura rya ogisijeni, amasaha 24 kugeza 1350, gukonjesha karemano. Kuramo, genzura hanyuma ubishyire mu bubiko.
Ibikoresho fatizo n'ingano byakoreshejwe n'uburyo bw'ubuvumbuzi ni ibya siyansi kandi bifite ishingiro, ku buryo ahantu hadakoreshejwe hari icyuho gihagije kandi ahantu hadakoreshejwe hari ubucucike bwiza; Igipimo cyiza cyo gushyushya, ubushyuhe n'igihe cyo gufata bitanga imbaraga nyinshi zo guhindagura kw'ibicuruzwa. Imikorere n'ubwiza bw'ubu buryo byageze ku rwego mpuzamahanga. Ibipimo by'ingenzi byabwo ni ibi bikurikira:
Ishyirwa mu bikorwa ryihariye rya silicon carbide ikora sintering
Uburyo bwa 1 bwo gukora udupfunyika twa silikoni twakozwe mu buryo bwa reaction-sintered carbide:
1, ibikoresho fatizo bifatwa nk'ibice 0.3, ongeramo amazi angana uruvange, uburemere bw'ibice 6.8 by'ifu ya silikoni karubide (ingano y'uduce 90-30m by'ibice 3.8, 30-0.8m by'ibice 3), umukara wa karuboni igice 1, umukara
2. Mu gihe usuka, banza usukure ibumba ryakoreshejwe, ushyireho ibumba, ushyireho ibifunga, ukuremo ibumba mu kigega ukoresheje igitutu, wuzuze ibumba na azote ya 0.1Mpa, usukemo igitutu, hanyuma ushyiremo ibumba mu ibumba. Nyuma y'isaha 1, ibumba rirarekurwa, hanyuma nyuma y'amasaha 6, ibumba rirakurwamo, ibikoresho bidafite ibumba birakurwamo, maze icyumba cyo kumisha kimurika. Hashize amasaha 30-70, amasaha 18-20 yo gukuramo. 3. Mu gihe usana ibumba, banza urebe niba ibumba ryujuje ibisabwa. Mu gihe wujuje ibisabwa, sana ibumba ukurikije igishushanyo. Nyuma yo gusuzuma, ohereza mu cyumba cyo kumisha icyuma gishyushye cyane.
4. Nyuma y'uko ubushyuhe bw'ikimenyetso cyo gushonga bugeze kuri 1%, kikuremo, usukure ikimenyetso cyo gushonga ukoresheje umwuka uhuha hanyuma ugipime. Ongeraho ibice 2.9 bya silikoni. Azote ishobora gushyirwa mu cyuma gisukura. Uburyo bwo gushonga ku bushyuhe buke bwa 700 mu gihe cy'amasaha 4; Ubushyuhe buringaniye 1400, amasaha 5; Ubushyuhe bwinshi amasaha 2200, amasaha 6. Iyo ubushyuhe bugabanutse amasaha 12 bukagera kuri 150, hagarika gukora mu itanura hanyuma ukingure itanura.
5. Nyuma y'uko umuti wo gutunganya umucanga usohotse, silicon standard Chartered iri ku buso bwayo irasenywa hanyuma igasigwa n'umucanga.
6. Intego y'ibicuruzwa bitunganya ogisijeni ni ugukuraho ogisijeni ikorwa mu gihe cyo gutwika. Ibicuruzwa bishyushywa kugeza kuri dogere 1350 mu gihe cy'amasaha 24 mu itanura rya ogisijeni hanyuma bigakonjeshwa mu buryo busanzwe. Nyuma yo kubikuramo, bishyirwa mu bubiko binyuze mu igenzura.
Ibikoresho fatizo n'ingano byakoreshejwe n'uburyo bw'ubuvumbuzi ni ibya siyansi kandi bifite ishingiro, ku buryo ahantu hadakoreshejwe hari icyuho gihagije kandi ahantu hadakoreshejwe hari ubucucike bwiza; Igipimo cyiza cyo gushyushya, ubushyuhe n'igihe cyo gufata bitanga imbaraga nyinshi zo guhindagura kw'ibicuruzwa. Imikorere n'ubwiza bw'ibicuruzwa bikorwa n'ubu buryo byageze ku rwego mpuzamahanga.
Uburyo bwo gukora silicon carbide ikora reactive sintering, niba ukeneye andi makuru, twandikire!
Igihe cyo kohereza: Kamena-13-2023