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Dulmar guud ee silig birta heerka caafimaad

Marka la barbar dhigo qaab dhismeedka warshadaha ee birta ahama, Medical ahama birta u baahan tahay si ay u ilaaliyaan iska caabin ah daxalka aad u fiican ee jidhka bini'aadamka, si loo yareeyo ion biraha, kala diri, fogaado daxalka intergranular, daxalka stress iyo ifafaale daxalka maxalliga ah, ka hortagga jabka ka dhashay qalabka la geliyo, hubi badbaadada qalabka lagu rakibay.


Faahfaahinta Alaabta

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Marka la barbar dhigo qaab dhismeedka warshadaha ee birta ahama, Medical ahama birta u baahan tahay si ay u ilaaliyaan iska caabin ah daxalka aad u fiican ee jidhka bini'aadamka, si loo yareeyo ion biraha, kala diri, fogaado daxalka intergranular, daxalka stress iyo ifafaale daxalka maxalliga ah, ka hortagga jabka ka dhashay qalabka la geliyo, hubi badbaadada qalabka lagu rakibay. Sidaa darteed, shuruudaha ka kooban kiimikada ay aad uga adag tahay birta aan warshadaha lahayn. birta aan dawaynta lahayn ee caafimaadka gaar ahaan lagu dhex beeray jidhka bini'aadamka, Ni iyo Cr Alloy element waxay ka sarreeyeen birta caadiga ah (sida caadiga ah waxay la kulmaan shuruudaha xadka sare ee birta caadiga ah). Waxa ku jira walxaha wasakhda ah sida S iyo P way ka hooseeyaan tan birta caadiga ah, waxaana si cad loo qeexay in cabbirka aan birta ahayn ee birta ku jira uu ka yaraado fasalka 115 (nidaamka ganaaxa) iyo fasalka 1 (nidaamka qalafsan). siday u kala horreeyaan, halka heerka caadiga ah ee birta warshaduhu aanay soo jeedin shuruudo gaar ah oo loogu talagalay ka mid noqoshada.

fasalka-bir-silig-2Birta aan nadiifka ahayn ee caafimaadka ayaa si weyn loogu isticmaalay agabka maqaar-galaha caafimaadka iyo agabka caafimaadka sababta oo ah biocompatibility wanaagsan, sifooyin farsamo oo wanaagsan, iyo iska caabbinta daxalka ee dheecaannada jidhka iyo habsocodka wanaagsan. Birta aan nadiifka ahayn ee caafimaadka ayaa si weyn loo isticmaalaa in lagu sameeyo kala-goysyo macmal ah oo kala duwan iyo jabka qalabka gudaha, sida dhammaan noocyada kala duwan ee miskaha macmalka ah, jilibka, garabka, lafaha suxulka; Dhakhaatiirta Ilkaha, waxaa si weyn loogu isticmaalaa dhakhtarka ilkaha, lafaha ilkaha, xididada xididka ilkaha; Qalliinka wadnaha, waxaa loo isticmaalaa stent wadnaha. Marka lagu daro samaynta noocyo kala duwan oo qalliin ah, birta aan nadiifka ahayn ee caafimaadka ayaa sidoo kale loo isticmaalaa soo saarista qalabyo qalliin oo kala duwan, sida tolida qalliinka.

Noocyada kala duwan ee birta waxay keenaysaa waxqabadka kala duwan ee cirbadaha tolmada, laakiin dhammaan kuwan waxay buuxin karaan shuruudaha ugu hooseeya ee qalliin ammaan ah.

Shaxda soo socota waxay liis garaysaa birta aan-lahayn ee caafimaadka oo inta badan loo isticmaalo irbadaha tolitaanka.

Qalabka Element C Si Mn P S Ni Cr N Cu Mo Fe Al B Ti Cb
420J2 0.28 0.366 0.440 0.0269 0.0022 0.363 13.347 / / / Dheelitiran / / / /
455 0.05 0.5 0.5 0.04 0.03 7.5-9.5 11.0-12.5 / 1.5-2.5 0.5 71.98-77.48 / / 0.8-1.4 0.1-0.5
470 0.01 0.040 0.020 0.0020 0.0230 11.040 11.540 0.004 0.010 0.960 Dheelitiran 0.090 0.0022 1.600 0.01
302 ≤0.15 ≤1.0 ≤2.0 ≤0.045 ≤0.03 8.0-10.0 17.0-19.0 / / / Dheelitiran / / / /
304AISI ≤0.07 ≤1.0 ≤2.0 ≤0.045 ≤0.015 8.0 -10.5 17.5-19.5 ≤0.11 / / Dheelitiran / / / /

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