Txoj kev loj hlob ntawm biocompatible titanium thiab nws cov alloys hauv Suav teb tuaj yeem muab faib ua peb theem: thawj theem tau sawv cev los ntawm cov ntshiab titanium thiab TC4 titanium alloy, theem thib ob tau sawv cev los ntawm TC20 titanium alloy, hom tshiab + alloy, thiab theem thib peb tau tsom mus rau kev tsim thiab tshawb fawb titanium alloys nrog elastic biocompatibility ntawm 3, qis dua cov kev tshawb fawb biocompatibility ntawm tanium, alloys yog qhov dav tshaj plaws.
Kev lag luam ntshiab titanium yog thawj zaug siv rau hauv daim teb no. Tam sim no, kev kho mob ntawm kev siv cov titanium ntshiab implants yog qhov paub tab, tab sis cov titanium ntshiab tsis tuaj yeem muab cov khoom siv kho tshuab uas xav tau rau kev kho mob load-cov ntaub ntawv bearing, xws li nws tsis tshua muaj zog thiab hnav tsis zoo, uas txwv nws daim ntawv thov. TC20 titanium alloy muaj siab hnav tsis kam, siab hardness, zoo deg zog, thiab zoo heev microstructure, nrog kev ua tau zoo dua li ntshiab titanium. Txawm li cas los xij, vim muaj cov ntsiab lus neurotoxic Al hauv Ti-Al-Nb alloys, txawm hais tias nws cov elastic modulus yog qhov ze tshaj plaws rau tib neeg cov pob txha thaum lub sijhawm ntawd, nws tseem yog 4-10 npaug ntawm tib neeg cov pob txha. Yog hais tias lub elastic modulus ntawm cov implants thiab cov pob txha tsis sib haum, lub load yuav tsis tau zoo xa mus los ntawm lub implantation mus rau cov pob txha cov ntaub so ntswg, uas ua rau ib tug "kev nyuaj siab shielding" tshwm sim, uas ua rau cov pob txha resorption nyob ib ncig ntawm lub implants, nws thiaj li ua rau implant loosening los yog puas, thiab ua rau cov kev cog lus tsis ua hauj lwm. Yog li ntawd, kev tshawb fawb thiab kev loj hlob ntawm tshiab kho mob titanium alloys nrog zoo biocompatibility thiab qis elastic modulus kom tau raws li qhov kev thov kho mob rau cov khoom cog tau los ua ib qho ntawm cov ntsiab lus tshawb fawb tseem ceeb ntawm biomedical metallic cov ntaub ntawv. Cov biocompatibility ntawm -hom Ti-13Nb-13Zr alloy tsim los ntawm cov khoom tsis muaj tshuaj lom tau raug tshawb fawb, thiab cov txiaj ntsig tau pom tias piv nrog TC4 alloy, biocompatibility ntawm Ti-13Nb-13Zr alloy tau txhim kho, uas yog, cov alloy uas muaj cov ntsiab lus tsis muaj tshuaj lom tau zoo dua biocompatibility. Nyob rau hauv lub neej yav tom ntej, txoj kev loj hlob ntawm biocompatible titanium alloys uas tsis yog-tshuaj lom muaj pes tsawg leeg thiab zoo heev mechanical zog yuav tsum tau tsav txoj kev loj hlob ntawm titanium alloys rau ib puag ncig tus phooj ywg qauv. Nws yog qhov tseeb ntawm cov teeb meem no uas txiav txim siab cov kev taw qhia thiab cov qauv ntawm kev tshawb fawb ntxiv ntawm biomedical titanium alloys.
