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Ti-6Al-7Nb ndi aloyi wotsogola wa titaniyamu yemwe wapeza chidwi kwambiri m'mafakitale osiyanasiyana chifukwa cha mawonekedwe ake apadera komanso magwiridwe antchito osiyanasiyana. Aloyi iyi, yopangidwa ndi titaniyamu yokhala ndi 6% aluminiyamu ndi 7% niobium, imapereka kuphatikiza kwapadera kwamphamvu, kukana dzimbiri, komanso kuyanjana kwachilengedwe. Zotsatira zake, Ti-6Al-7Nb titaniyamu alloy waya chakhala chodziwika kwambiri m'mapulogalamu ambiri, kuyambira zakuthambo ndi zamagalimoto mpaka zamafakitale azachipatala ndi apanyanja. Mu positi iyi yabulogu, tiwona ubwino wogwiritsa ntchito waya wa Ti-6Al-7Nb titanium alloy ndikuyankha mafunso odziwika bwino okhudzana ndi katundu ndi ntchito zake.

Kodi Ti-6Al-7Nb ikufananiza bwanji ndi ma aloyi ena a titaniyamu potengera makina amakina?

Ti-6Al-7Nb titaniyamu alloy waya imapereka zida zamakina apamwamba kwambiri poyerekeza ndi ma aloyi ena ambiri a titaniyamu, zomwe zimapangitsa kukhala chisankho chabwino kwambiri pazogwiritsa ntchito zosiyanasiyana. Aloyiyi imawonetsa kuphatikizika kwapadera kwamphamvu, ductility, ndi kukana kutopa, komwe kumasiyanitsa ndi ma aloyi ena a titaniyamu monga Ti-6Al-4V kapena titaniyamu yoyera yamalonda.

Chimodzi mwazabwino zazikulu za Ti-6Al-7Nb ndi kuchuluka kwake kwamphamvu ndi kulemera kwake. Kuphatikiza kwa niobium ku alloy kumawonjezera mphamvu zake ndikusunga kachulukidwe kakang'ono. Izi zimapindulitsa makamaka pazamlengalenga ndi magalimoto, pomwe kuchepetsa kulemera ndikofunikira kuti mafuta azigwira ntchito bwino komanso kuti azigwira ntchito bwino. Mphamvu yamakokedwe ya Ti-6Al-7Nb nthawi zambiri imachokera ku 900 mpaka 1050 MPa, yomwe ingafanane kapena yoposa ya Ti-6Al-4V, malingana ndi kutentha ndi kutentha.

Kuphatikiza apo, Ti-6Al-7Nb imawonetsa kukana kutopa kwambiri, komwe ndikofunikira pazigawo zomwe zimayendetsedwa ndi cyclic loading. Katunduyu amapangitsa kukhala koyenera kugwiritsa ntchito ngati zida za ndege, zida za injini, ndi zoyika zachipatala zomwe zimakumana ndi kupsinjika mobwerezabwereza. Mphamvu ya kutopa ya Ti-6Al-7Nb nthawi zambiri imakhala yapamwamba kuposa ya Ti-6Al-4V, makamaka muulamuliro wotopa kwambiri.

Chinthu china chodziwika bwino cha makina a Ti-6Al-7Nb ndikuwongolera kwake poyerekeza ndi ma aloyi ena a titaniyamu. Ductility yowonjezereka iyi imalola kupangika bwino komanso kusinthika, kupangitsa kuti zikhale zosavuta kupanga mawonekedwe ovuta ndi zida. Kutalika kwa nthawi yopuma kwa Ti-6Al-7Nb nthawi zambiri kumachokera ku 10% mpaka 15%, yomwe ikufanana kapena yokwera pang'ono kuposa ya Ti-6Al-4V.

The Young's modulus ya Ti-6Al-7Nb ndi pafupifupi 105 GPa, yomwe ili yotsika kuposa yazinthu zina zambiri zachitsulo. Modulus yotsika iyi ya elasticity imakhala yopindulitsa makamaka muzogwiritsira ntchito zamankhwala, chifukwa imathandizira kuchepetsa kupsinjika maganizo mu implants za mafupa, kulimbikitsa kukula kwa mafupa ndi kuphatikiza.

Pankhani ya kuuma, Ti-6Al-7Nb amasonyeza makhalidwe kuyambira 32 mpaka 36 HRC (Rockwell C scale), omwe ali ofanana kapena apamwamba kuposa Ti-6Al-4V. Kulimba kumeneku kumapangitsa kuti alloy asavale, ndikupangitsa kuti ikhale yoyenera kugwiritsidwa ntchito komwe kulimba kwapamwamba ndikofunikira.

Kuphatikiza kwa makinawa kumapangitsa kuti waya wa Ti-6Al-7Nb titaniyamu alloy akhale chisankho chabwino kwambiri pazogwiritsa ntchito zosiyanasiyana, makamaka m'mafakitale omwe amafunikira mphamvu zambiri, kulemera kochepa, komanso kukana kutopa kwambiri. Kuchita kwake kwapamwamba pazinthu izi nthawi zambiri kumatsimikizira kugwiritsa ntchito kwake pazitsulo zina za titaniyamu kapena zipangizo zina.

Kodi mawaya a Titanium alloy a Ti-6Al-7Nb ndi ati?

Ti-6Al-7Nb titaniyamu alloy waya imadziwika chifukwa cha mphamvu zake zolimbana ndi dzimbiri, zomwe zimapangitsa kuti ikhale yabwino kwa ogwiritsa ntchito m'malo ovuta komanso pazama TV. Kukaniza kwapamwamba kwambiri kwa alloy kumapangitsa kuti pakhale chiwopsezo chokhazikika, chotsatira, komanso chodzichiritsa chokha cha oxide pamwamba pake, chomwe chimapereka chitetezo kuzinthu zosiyanasiyana zowononga.

Chimodzi mwazinthu zazikulu zomwe zimapangitsa kuti Ti-6Al-7Nb asawonongeke kwambiri ndi kukhalapo kwa niobium mu kapangidwe ka aloyi. Niobium imapangitsa kukhazikika kwa gawo loteteza oxide, ndikupangitsa kuti likhale lolimba kwambiri kuti liwonongeke m'malo ankhanza poyerekeza ndi ma alloys ena a titaniyamu monga Ti-6Al-4V. Kukhazikika kokhazikikaku kumakhala kopindulitsa makamaka pamakina omwe ali ndi chloride, omwe amadziwika kuti ndi ovuta pazinthu zambiri zazitsulo.

M'madzi a m'nyanja ndi m'madzi, Ti-6Al-7Nb ikuwonetsa kukana kwapang'onopang'ono komanso kuwononga dzimbiri. Kuthekera kwa alloy kukhalabe kukhulupirika mumikhalidwe iyi kumapangitsa kukhala chisankho chabwino kwambiri pakugwiritsa ntchito panyanja, kuphatikiza zida zakunja, zopangira zochotsa mchere, ndi zida zapansi pamadzi. Kafukufuku wasonyeza kuti Ti-6Al-7Nb amawonetsa dzimbiri zosawerengeka m'madzi a m'nyanja, ngakhale atakhala nthawi yayitali.

Kukana kwa dzimbiri kwa Ti-6Al-7Nb kumafikiranso kumadera osiyanasiyana amchere komanso amchere. Aloyiyo imasonyeza kukana kwa sulfuric acid, hydrochloric acid, ndi nitric acid pamitundu yambiri ndi kutentha. Katunduyu amapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito pazida zopangira mankhwala, zosinthira kutentha, ndi ntchito zina m'makampani opanga mankhwala komwe kukana dzimbiri ndikofunikira.

Muzogwiritsira ntchito zamankhwala, kukana kwa dzimbiri kwa Ti-6Al-7Nb ndikofunikira kwambiri. Kuthekera kwa alloy kukana kuwonongeka kwamadzi amthupi kumathandizira kuti biocompatibility yake ndi kukhazikika kwanthawi yayitali ikagwiritsidwa ntchito mu implants ndi zida zamankhwala. Kukana dzimbiri m'thupi la munthu kumathandiza kupewa kutulutsidwa kwa ayoni omwe angakhale ovulaza, kuonetsetsa chitetezo ndi mphamvu ya zida zamankhwala zopangidwa ndi aloyiyi.

Ti-6Al-7Nb imawonetsanso kukana kwambiri kupsinjika kwa corrosion cracking (SCC), chodabwitsa chomwe chingayambitse kulephera kwadzidzidzi komanso koopsa muzinthu zina mothandizidwa ndi kupsinjika komanso malo owononga. Kukaniza kwa alloy ku SCC kumapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito muzamlengalenga ndi mafakitale amafuta ndi gasi, komwe zigawo zake nthawi zambiri zimakumana ndi kupsinjika kwakukulu m'malo omwe amatha kuwononga.

Kusanjikiza kwa okusayidi komwe kumapangidwa pa Ti-6Al-7Nb sikumangopereka kukana kwa dzimbiri komanso kumathandizira kuti aloyiyo asagwirizane ndi okosijeni pa kutentha kokwera. Katunduyu ndi wopindulitsa pakugwiritsa ntchito kutentha kwambiri, monga m'mafakitale oyendetsa ndege ndi magalimoto, pomwe zigawo zake zimatha kukhala ndi ma oxidizing pamalo otentha kwambiri.

Ndizofunikira kudziwa kuti ngakhale Ti-6Al-7Nb imawonetsa kukana kwambiri kwa dzimbiri m'malo ambiri, itha kukhala pachiwopsezo chambiri nthawi zina. Mwachitsanzo, m'malo ochepetsetsa kwambiri kapena ngati pali mayankho amphamvu a fluoride, wosanjikiza woteteza wa oxide ukhoza kusokonezedwa. Komabe, zoperewerazi ndizofala kwa ma aloyi ambiri a titaniyamu ndipo nthawi zambiri zimamveka bwino m'makampani.

Kodi waya wa Ti-6Al-7Nb wa titanium alloy amagwiritsidwa ntchito bwanji pama implants ndi zida zamankhwala?

Ti-6Al-7Nb titaniyamu alloy waya wapeza kugwiritsidwa ntchito kwambiri m'maimplants ndi zida zamankhwala chifukwa chapadera kuyanjana kwake ndi biocompatibility, makina amakina, komanso kukana dzimbiri. Kuphatikizika kwapadera kwa aloyiyi kumapangitsa kukhala chinthu choyenera kugwiritsa ntchito zamankhwala osiyanasiyana, makamaka pamitsempha ya mafupa ndi mano.

Chimodzi mwazofunikira kwambiri za Ti-6Al-7Nb pazachipatala ndi kupanga implants za mafupa. Alloy amagwiritsidwa ntchito kupanga zinthu monga chiuno ndi mawondo olowa m'malo, mbale za mafupa, zomangira, ndi misomali ya intramedullary. Kuchuluka kwa mphamvu ndi kulemera kwa Ti-6Al-7Nb kumapangitsa kuti pakhale ma implants opepuka koma olimba omwe amatha kupirira zovuta zamakina zomwe zimachitika mthupi la munthu. Kuphatikiza apo, alloy's low modulus of elasticity poyerekeza ndi zitsulo zina zama biomaterials amathandizira kuchepetsa kupsinjika kwachitetezo, kulimbikitsa kukonzanso bwino kwa mafupa ndi kuphatikiza.

M'malo opangira mano, Ti-6Al-7Nb amagwiritsidwa ntchito popanga ma implants a mano, ma abutments, ndi zigawo zina za prosthetic. Kukana kwa dzimbiri kwa alloy m'malo amkamwa, kuphatikiza ndi biocompatibility yake, kumapangitsa kukhala chisankho chabwino pakubwezeretsa mano kwanthawi yayitali. Pamwamba pa ma implants a Ti-6Al-7Nb amatha kusinthidwa pogwiritsa ntchito njira zosiyanasiyana, monga kupopera mankhwala a plasma kapena etching ya asidi, kuti apititse patsogolo kuphatikizika kwa osseointegration ndikuwongolera kupambana kwanthawi yayitali kwa ma implants a mano.

Waya wa Ti-6Al-7Nb amagwiritsidwanso ntchito popanga zida zamtima, monga ma stents ndi ma valve amtima. Mphamvu yayikulu ya alloy komanso kukana kutopa kwambiri kumapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito komwe kukhathamiritsa kwa cyclic kumadetsa nkhawa. Kuphatikiza apo, mphamvu zake zolimbana ndi thrombosis komanso kuthekera kokukutidwa ndi zida za bioactive zimathandizira kuti zigwire bwino ntchito pamtima.

Pankhani ya neurosurgery, Ti-6Al-7Nb imagwiritsidwa ntchito popanga ma cranial plates, ma implants a mesh, ndi zida zowongolera msana. Ma radiolucency a alloy, omwe amalola kuti aziwoneka bwino mu X-ray ndi kujambula kwa CT, ndiwopindulitsa kwambiri pazogwiritsa ntchito izi. Katunduyu amathandiza madokotala ochita opaleshoni kuwunika molondola momwe alili komanso kuphatikiza kwa implants pambuyo pa opaleshoni popanda zida zazikulu zazithunzi.

The biocompatibility ya Ti-6Al-7Nb ndi chimodzi mwazofunikira kwambiri pazachipatala. Aloyiyo imawonetsa kuchepa kwa minofu komanso chiopsezo chochepa cha mayankho osagwirizana, ndikupangitsa kuti thupi la munthu liloledwe bwino. Kupanga kokhazikika kwa oxide wosanjikiza pamwamba pa Ti-6Al-7Nb sikungopereka kukana kwa dzimbiri komanso kumathandizira kuti biocompatibility yake ikhale yocheperako pochepetsa kutulutsidwa kwa ayoni achitsulo m'magulu ozungulira.

Ubwino wina wogwiritsa ntchito Ti-6Al-7Nb mu implants zachipatala ndi kuthekera kwake kwa osseointegrate. The alloy pamwamba katundu amalimbikitsa ubwenzi ndi kukula kwa fupa maselo, kutsogolera kuti amphamvu ndi okhazikika mawonekedwe pakati implant ndi ozungulira fupa minofu. Kuphatikizika kwa osseo iyi ndikofunika kwambiri kuti pakhale chipambano chanthawi yayitali cha ma implants a mafupa ndi mano.

Kugwiritsa ntchito waya wa Ti-6Al-7Nb pazida zamankhwala kumafikiranso pakupanga zida ndi zida zopangira opaleshoni. Mphamvu yayikulu ya alloy, kukana kwa dzimbiri, komanso kuthekera kosunga chakuthwa kumapangitsa kuti ikhale yoyenera kupanga zida zodulira, ma forceps, ndi zida zina zopangira opaleshoni zomwe zimafunikira kulimba komanso kulondola.

M'zaka zaposachedwa, pakhala chidwi chogwiritsa ntchito Ti-6Al-7Nb pakupanga zowonjezera pazogwiritsa ntchito zamankhwala. Makhalidwe a alloy amapangitsa kuti ikhale yoyenera kusindikiza kwa 3D kwa ma implants ndi zida zamankhwala, kulola kuti pakhale mayankho okhudzana ndi odwala komanso ma geometri ovuta omwe angakhale ovuta kukwaniritsa kudzera munjira zachikhalidwe zopangira.

Ngakhale Ti-6Al-7Nb imapereka maubwino ambiri pazachipatala, ndikofunikira kudziwa kuti kafukufuku wopitilira akupitilizabe kufufuza njira zopititsira patsogolo ntchito yake. Izi zikuphatikiza kusinthidwa kwapamtunda kuti zitheke kukana kuvala, zokutira kuti zithandizire kukhazikika kwachilengedwe, komanso kupanga mapangidwe a porous kuti atsanzire bwino mafupa achilengedwe.

Kutsiliza

Pomaliza, waya wa Ti-6Al-7Nb wa titanium alloy amapereka zabwino zambiri pamagwiritsidwe osiyanasiyana, makamaka m'mafakitale apamlengalenga, magalimoto, ndi zamankhwala. Mawonekedwe ake apadera amakina, kukana kwamphamvu kwa kutu, komanso kuyanjana kwabwino kwachilengedwe kumapangitsa kuti ikhale yosunthika komanso yofunikira pazinthu zosiyanasiyana. Pamene kafukufuku ndi chitukuko cha sayansi ya zinthu zikupita patsogolo, titha kuyembekezera kuwona ntchito zatsopano komanso kusintha kwakugwiritsa ntchito Ti-6Al-7Nb titaniyamu alloy waya mtsogolomu.

Ku SHAANXI CXMET TECHNOLOGY CO., LTD, timanyadira zamitundu yathu yayikulu, yomwe imathandizira zosowa zosiyanasiyana zamakasitomala. Kampani yathu ili ndi luso lapadera lopanga ndi kukonza, kuwonetsetsa kuti zinthu zathu ndi zapamwamba komanso zolondola. Ndife odzipereka pazatsopano ndipo timayesetsa mosalekeza kupanga zinthu zatsopano, kutipangitsa kukhala patsogolo pamakampani athu. Ndi luso lotsogola laukadaulo, timatha kusintha ndikusintha msika womwe ukusintha mwachangu. Kuphatikiza apo, timapereka mayankho osinthika kuti akwaniritse zofunikira zamakasitomala athu. Ngati muli ndi chidwi ndi zinthu zathu kapena mukufuna kudziwa zambiri zazomwe timapereka, chonde musazengereze kutilankhula nafe pa sales@cxmet.com. Gulu lathu limakhala lokonzeka nthawi zonse kukuthandizani.

Zothandizira

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