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khoom

Daim ntawv thov kev kho mob Alloy siv rau Sutures koob


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Khoom cim npe

Ua kom muaj koob zoo dua, thiab tom qab ntawd muaj kev paub zoo dua thaum cov kws phais neeg siv cov sutures hauv kev phais.Cov kws kho mob hauv cov cuab yeej siv kho mob tau sim ua kom cov koob ntse dua, muaj zog dua thiab muaj kev nyab xeeb dua nyob rau xyoo dhau los.Lub hom phiaj yog los tsim cov koob sutures nrog cov kev ua tau zoo tshaj plaws, ntse tshaj plaws txawm tias muaj pes tsawg qhov kev nkag mus, muaj kev nyab xeeb tshaj plaws uas tsis tau tawg lub taub thiab lub cev thaum lub sij hawm dhau los ntawm cov ntaub so ntswg.Yuav luag txhua qib loj ntawm alloy tau sim daim ntawv thov ntawm sutures koob rau ua saum toj no tshwm sim.Qee lub teb chaws thoob ntiaj teb txhua tus siv qib tshwj xeeb alloy muaj cov khoom siv hlau tsis tshua muaj txiaj ntsig los khaws lub hom phiaj no.

Kev lag luam thiab pheej yig ib txwm xaiv ntawm kev ua lag luam.Cov mlom mlom rau sutures tsis yooj yim rau kev ua thiab kev tsim khoom uas coj tus nqi siab dua.Hauv lwm cov tes, tsis yog txhua qhov kev phais muaj qhov kev thov ntawm cov koob saum toj no kev ua haujlwm.Txawm tias qee tus kws phais mob zoo li rab koob me ntsis muag.Txhawm rau piav qhia qhov ntse ntawm rab koob los ntawm Kev Ntsuas Kev Ntsuas Hluav Taws Xob, piav qhia lub zog ntawm rab koob los ntawm Bending Moment test, piav qhia txog kev nyab xeeb los ntawm Ductility test.Txhawm rau txhim kho Penetration Force kev ua tau zoo, precision thiab micro sib tsoo tshuab tau qhia rau kev lag luam uas khaws lub hom phiaj no.Qhov kev sib tw yog qhov ua kom sib npaug ntawm Bending Moment thiab Ductility, txij li cov alloy mus tsis yooj yim thaum ua rau nws nyuaj kom muaj zog, thiab qhov no txiav txim siab xaiv cov alloy.

Feem ntau cov koob sutures tau tsim los ntawm ANSI 302/304 alloy tam sim no, ua ntej ANSI 302/304, 400 series alloy tau dav siv rau Sutures koob ntau xyoo, suav nrog 420J2, 455F thiab 470.

420J2 yog qhov kev lag luam zoo tshaj plaws rau cov koob sutures.420J2 steel yog martensitic stainless hlau, siv tom qab quenching thiab tempering.Kev ua haujlwm txias thiab kev ua haujlwm vuam tsis zoo, tom qab vuam yuav tsum tau kho kom sov tam sim ntawd, txhawm rau tiv thaiv kev tawg.Nws muaj zoo machinability nyob rau hauv annealing mob.

Alloy 455 yog martensitic aging hardened stainless hlau, nrog kuj mos, annealing lub xeev yuav tsim, tsuas yog ib tug yooj yim kev kho cua sov, koj yuav tau txais tshwj xeeb siab tensile zog, zoo toughness thiab nruj.Kev cai 455 tuaj yeem ua tiav hauv lub xeev annealed thiab tuaj yeem welded raws li nag lossis daus hardened stainless hlau.Raws li kev ua hauj lwm hardening tus nqi me me, tuaj yeem ua ntau yam txias sib sau.Alloy 470 kuj tseem tshwj xeeb kho martensitic stainless hlau, uas muab cov koob nyuaj.

Kev phais plawv thiab hlab ntsha xav tau kev ua tau zoo dua li saum toj no ua ke nrog ophthalmic sutures, uas ua los ntawm 302/304 alloy.Feem ntau cov kev phais hauv chav kho mob xwm txheej ceev tsis xav tau qhov kev thov siab uas feem ntau ua los ntawm 420J2 thiab 455 koob, tsuas yog ob peb tus lej tau ua los ntawm 470 alloy.

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