Iterambere na Tekinike Yuburyo bwa Ceramic Yinjiza Ibikoresho

Iterambere nubuhanga bwa tekinike yububiko bwa ceramic

Mu gutunganya, igikoresho cyahoze cyitwa "amenyo yakozwe munganda", kandi gukata imikorere yibikoresho ni kimwe mubintu byingenzi bigena umusaruro wacyo, igiciro cyumusaruro nubwiza bwo gutunganya. Kubwibyo, guhitamo neza ibikoresho byo gukata ibikoresho nibyingenzi, ibyuma bya ceramic, hamwe nubushuhe buhebuje, kwambara birwanya ubukana hamwe n’imiti ihamye, byerekana ibyiza ibikoresho gakondo bidashobora guhuza murwego rwo gukata byihuse no gukata bigoye-kuri -ibikoresho bya mashini, nibikoresho nyamukuru byicyuma ceramic ni Al na Si. Ibintu bikungahaye mubutaka bwisi birashobora kuvugwa ko bidashoboka kandi bitarondoreka. Kubwibyo, ibyifuzo byo gukoresha ibikoresho bishya bya ceramic ni binini cyane.

Ubwa mbere, ubwoko bwibikoresho bya ceramic

Iterambere ryibikoresho bya ceramic byibanda ku kunoza imikorere yibikoresho gakondo ceramic, gutunganya ibinyampeke, guhuza ibice, gutwikira, kunoza uburyo bwo gucumura no guteza imbere ibicuruzwa bishya, kugirango ubone ubushyuhe bwo hejuru, kwambara no kurwanya. Gukora neza cyane kandi birashobora guhuza ibikenewe byihuse byihuse. Henan Institute of Superhard Materials irashobora kugabanya ibikoresho byibikoresho bya ceramic mubice bitatu: alumina, nitride ya silicon na nitride ya boron (ibikoresho bya cubic boron nitride). Mu rwego rwo gukata ibyuma, alumina ceramic blade na silicon nitride ceramic blade hamwe hamwe bita ceramic blade; mubikoresho bidafite ingufu, ibyuma bya nitride ya cubic ni mubyiciro byinshi byibikoresho bya ceramic. Ibikurikira nibiranga ubwoko butatu bwubutaka.

. Ifite imyambarire idahwitse kandi irwanya ubushyuhe, kandi ubushyuhe bwayo bwo hejuru ntabwo bworoshye guhuza cyangwa gufata imiti hamwe nicyuma. Kubwibyo, alumina-ishingiye kuri ceramic cateric ifite intera yagutse, ikwiranye nicyuma nicyuma. Gutunganya byihuse umuvuduko wawo; kubera uburyo bwiza bwo guhangana nubushyuhe bwumuriro, burashobora kandi gukoreshwa mugusya cyangwa guteganya mugihe cyoguhagarika, ariko ntibikwiye gutunganyirizwa aluminiyumu, titanium alloys na niobium alloys, bitabaye ibyo bikunda kwambara imiti.

. imbaraga zishimangira). Irangwa no gukomera kwinshi, kwihanganira kwambara neza, kurwanya ubushyuhe bwiza no kurwanya okiside, hamwe nubushakashatsi bwimiti hagati ya nitride ya silicon na karubone nibyuma ni bito, kandi ibintu byo guterana nabyo ni bike. Birakwiye kurangiza, kurangiza, kurangiza cyangwa kurangiza.

. Kurugero, Hualing cubic boron nitride igikoresho BN-S20 ikoreshwa mubyuma bikomye, icyiciro cya BN-H10 gikoreshwa muburyo bwihuse bwo kurangiza ibyuma bikomye, icyiciro cya BN-K1 gitunganyirizwa ibyuma bikomeye, icyuma cya BN-S30 ivu Gukora icyuma nubukungu kuruta gushiramo ceramic.

Icya kabiri, ibiranga ibikoresho bya ceramic

Ibiranga ibikoresho bya ceramic: (1) kurwanya neza kwambara; (2) ubushyuhe bwo hejuru, ubukana bwiza butukura; (3) ibikoresho biramba ni inshuro nyinshi cyangwa inshuro nyinshi kurenza ibikoresho gakondo, kugabanya umubare wibikoresho byahinduwe mugihe cyo gutunganya, kwemeza taper ntoyaibisobanuro bihanitse byakazi kugirango bikorwe; . .

Ugereranije no gushiramo karbide ya sima, gushiramo ceramic birashobora kwihanganira ubushyuhe bwo hejuru bwa 2000 ° C, mugihe ibivanze bikomeye byoroha kuri 800 ° C; ibikoresho bya ceramic rero bifite ubushyuhe bwo hejuru bwimiti kandi birashobora kugabanywa kumuvuduko mwinshi, ariko ibibi ni insimburangingo. Imbaraga nubukomezi biri hasi kandi byoroshye gucika. Nyuma, borora nitride ceramics (aha ni ukuvuga ibikoresho bya cubic boron nitride) yatangijwe, ikoreshwa cyane muguhindura, gusya, no kurambirana ibikoresho bya superhard. Ubukomezi bwa cubic boron nitride ikata cyane kurenza iyinjizwamo ceramic. Kubera ubukana bwacyo, byitwa kandi ibikoresho bya superhard hamwe na diyama. Bikunze gukoreshwa mugutunganya ibikoresho hamwe n'uburemere burenze HRC48. Ifite ubushyuhe bwo hejuru cyane - kugeza kuri 2000 ° C, nubwo Yoroheje kurusha karbide ya sima, ariko yazamuye imbaraga zingaruka no kumenagura ugereranije nibikoresho bya ceramic ya alumina. Byongeye kandi, ibikoresho bimwe na bimwe bya cubic boron nitride (nka Huachao Super Hard BN-K1 na BN-S20) birashobora kwihanganira imitwaro ya chip yo gukora imashini ikarishye kandi irashobora kwihanganira ingaruka zo gutunganya rimwe na rimwe no kurangiza. Kwambara no guca ubushyuhe, ibyo biranga birashobora guhura ningorabahizi yo gutunganya ibyuma bikomye hamwe nuburemere bukomeye butera ibyuma hamwe na nitride ya cubic boron.