Tee y'icyuma irwanya cyane kwambarwa na alumina ikozwe muri Ceramic: Imiterere y'ingenzi n'uburyo ikoreshwa mu nganda

Urusobe rw'ingenzi rw'icyuma gikozwe muri alumina ceramic rudashira ni uruvange rw'icyuma rukozwe muri alumina ifite ubuziranenge bwinshi (α-Al₂O₃). Iki gikoresho gifite imiterere ihamye ya kristu ya corundum, ifite ubukana bugera kuri HRA 85 cyangwa irenga (ubukana bwa Vickers HV 1000-1600) n'ubucucike bwa 3.6-3.9 g/cm³. Akamaro k'ibanze k'uruvange rw'icyuma cya alumina ceramic ni ukwihanganira isuri ikomeye y'uduce duto ku ngingo zihindagurika n'izihuza imiyoboro. Ubukana bwayo bwo kwangirika bwageragejwe muri laboratwari bugaragaza ko bungana inshuro 266 z'icyuma cya manganese n'inshuro 171.5 z'icyuma gikozwe muri chromium nyinshi. Amakuru ajyanye n'ikoreshwa ry'inganda agaragaza ko uru ruvange rushobora kongera igihe cyo gukora imiyoboro inshuro zirenga icumi. Byongeye kandi, alumina irahamye kandi ntigira aho ibogamiye, itanga ubukana ku aside, alkali, umunyu, n'ibindi binyabuzima mu bushyuhe bwihariye n'ubwinshi bw'ibipimo.

Udupira tw'icyuma twa alumina dukozwe muri ceramic dukoreshwa mu nganda zitandukanye zikoresha ifu nyinshi. Mu buryo bw'ingufu zishyuha, dukoreshwa mu miyoboro itwara ifu y'amakara, mu buryo bwo gusya, mu miyoboro ikuramo ivu, no mu buryo bwo gukuramo ivumbi. Mu nganda z'ubucukuzi bw'amabuye y'agaciro, tukwiriye gutwara ivumbi, gutwara imyanda, gutwara ibintu byinshi, no gutwara amakara mu nganda zitunganya amakara ziremereye. Mu rwego rw'ibyuma n'ibyuma, dukoreshwa mu buryo bwo gukuraho ivumbi mu itanura rinini, imiyoboro itwara ibintu bidafite isuku, no gutwara ibikoresho mu gihe cyo gushongesha. Mu nganda za sima, dukoreshwa mu buryo bwo gutwara ibintu hakoreshejwe umwuka mu ifu mbisi, clinker, n'ivu ry'ibihumyo. Mu rwego rw'imiti, tukwiriye imiyoboro itwara ibintu byangiza kandi bitera kwangirika. Ku byambu, dukoreshwa mu gutwara ibintu bidafite ivumbi n'ibihumyo. Byongeye kandi, iki gicuruzwa gishobora gukoreshwa mu bikorwa byihariye nko gutwara aluminiyumu ishongeshejwe.

Mu gihe cyo guhitamo, ibintu nk'imiterere iringaniye, ingano y'uduce, ubushyuhe bwo kohereza, n'inguni y'ingaruka bigomba kwitabwaho kugira ngo hamenyekane ubugari bw'urwego rwa ceramic (ubusanzwe 4-20mm), ubuziranenge bwa alumina, n'uburyo bwo guhuza imiyoboro yo hanze (ifite flanged, welded, nibindi). Nubwo ishoramari rya mbere kuri iki gikoresho ari rinini ugereranyije n'imiyoboro isanzwe y'icyuma, igihe cyayo cyongerewe cyane cyo gukora ndetse no kugabanuka gukomeye kw'igihe cyo kudakora n'ikiguzi cyo kuyisana bituma iba igisubizo gihendutse cyane mu gihe cyo kwangirika no kwangirika gukomeye.