chidziwitso

Titaniyamu Gawo 23, yomwe imadziwikanso kuti Ti-6Al-4V ELI (Extra Low Interstitial), ndi aloyi yamphamvu kwambiri ya titaniyamu yomwe imadziwika chifukwa cha zinthu zake zapadera komanso ntchito zosiyanasiyana. Alpha-beta titanium alloy ndi mitundu yosiyanasiyana ya Ti-6Al-4V (Giredi 5) yomwe imagwiritsidwa ntchito kwambiri koma yokhala ndi mpweya wochepa, nayitrogeni, kaboni, ndi chitsulo. Zinthu zomwe zimachepetsedwa izi zimathandizira kuti ikhale yabwino kwambiri, kulimba kwa fracture, komanso kukana kupsinjika kwa corrosion, zomwe zimapangitsa kukhala chisankho chabwino kwambiri pakugwiritsa ntchito kwambiri zakuthambo, zamankhwala, ndi mafakitale apanyanja.

Ubwino wogwiritsa ntchito pepala la Titanium Grade 23 pazamlengalenga ndi chiyani?

Pepala la Titanium Grade 23 lapeza kugwiritsidwa ntchito kwambiri muzamlengalenga chifukwa cha kuphatikiza kwake kwapadera komwe kumapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito movutikira. Ubwino wogwiritsa ntchito pepala la Titanium Grade 23 pamapulogalamu apamlengalenga ndi wochulukirapo komanso wofunikira.

Choyamba, kuchuluka kwa mphamvu ndi kulemera kwa Titanium Grade 23 ndi chinthu chofunikira kwambiri pakupanga mlengalenga. Ndi kachulukidwe pafupifupi 4.43 g/cm³, ndi pafupifupi 40% yopepuka kuposa chitsulo pomwe ikupereka mphamvu zofananira. Makhalidwewa amalola akatswiri opanga ndege kupanga ndege zopepuka popanda kusokoneza mphamvu, zomwe zimapangitsa kuti mafuta aziyenda bwino komanso kuchuluka kwa ndalama zomwe amalipira.

Kukana kutopa kwabwino kwa Titanium Grade 23 ndi mwayi wina wofunikira pakugwiritsa ntchito zakuthambo. Zigawo za ndege zimayendetsedwa ndikutsitsa ndikutsitsa panthawi yowuluka, zomwe zingayambitse kutopa pakapita nthawi. Kutopa kwapamwamba kwa Titanium Giredi 23 kumatsimikizira kuti zida zopangidwa kuchokera ku aloyiyi zimatha kupirira kupsinjika kobwerezabwereza kwa nthawi yayitali, kumapangitsa chitetezo chonse komanso moyo wautali wa ndege.

Kulimbana ndi dzimbiri ndi phindu lina lalikulu la Titaniyamu Gawo 23 mu ntchito zazamlengalenga. Aloyiyo imapanga filimu yokhazikika, yosalekeza, yogwirizana kwambiri, komanso yoteteza oxide pamwamba pake pamene ikukhudzidwa ndi mpweya. Chilengedwe chosanjikiza ichi chimapereka kukana kwambiri kumadera osiyanasiyana owononga, kuphatikiza madzi amchere ndi mankhwala ambiri amakampani. Pankhani ya zakuthambo, izi zikutanthawuza kuchepetsedwa kwa zofunikira zokonza ndi kuwonjezereka kwa moyo wautumiki wa zigawo zomwe zimayang'ana kumadera osiyanasiyana amlengalenga ndi madzi omwe amatha kuwononga.

Kuthekera kwa alloy kusunga katundu wake pa kutentha kokwera kumakhala kofunikira kwambiri pazamlengalenga. Titanium Giredi 23 imawonetsa kusungidwa kwamphamvu mpaka pafupifupi 400 ° C (752 ° F), ndikupangitsa kuti ikhale yoyenera kugwiritsidwa ntchito pazigawo za injini ndi madera ena komwe kutentha kumakumana ndi ntchito.

Kuphatikiza apo, biocompatibility ya Titanium Grade 23 imatsegula mwayi wogwiritsa ntchito makina othandizira moyo wamumlengalenga ndi ntchito zina pomwe zida zitha kukhudzana ndi thupi la munthu. Katunduyu, ngakhale amagwirizana kwambiri ndi ma implants azachipatala, amatha kukhala opindulitsa popanga zida zina zamkati mwa ndege kapena zida zadzidzidzi.

The makina a Titaniyamu Gawo 23 pepala, ngakhale kuti ndizovuta poyerekeza ndi zitsulo zina, nthawi zambiri zimakhala zabwino kwambiri kuposa ma aloyi ena ambiri a titaniyamu. Khalidweli limalola kupanga zigawo zovuta zakuthambo zokhala ndi zololera zolimba, zomwe nthawi zambiri zimakhala zofunikira kuti zitheke bwino komanso kuchepetsa kulemera.

Pomaliza, kugwiritsa ntchito pepala la Titanium Grade 23 pamapulogalamu apamlengalenga kumapereka kuphatikiza kopepuka kwa kulemera, mphamvu yayikulu, kukana kutopa kwambiri, kukana dzimbiri, magwiridwe antchito a kutentha, komanso kupanga. Zinthuzi pamodzi zimathandizira kupanga ndi kupanga zida zotetezeka, zogwira mtima kwambiri, komanso zokhalitsa, zomwe zimapangitsa Titanium Grade 23 kukhala chinthu chamtengo wapatali pamakampani opanga ndege.

Kodi kupangidwa kwa Titanium Grade 23 kumakhudza bwanji makina ake?

Kupangidwa kwa Titanium Giredi 23 kumagwira ntchito yofunika kwambiri pakuzindikiritsa makina ake, ndikupangitsa kuti ikhale chisankho chokondedwa pamapulogalamu ambiri ochita bwino kwambiri. Kumvetsetsa mgwirizano pakati pa kapangidwe kake ndi makina amakina ndikofunikira kwa mainjiniya ndi opanga omwe amagwira ntchito ndi izi.

Titaniyamu Gawo 23 ndi aloyi wa titaniyamu wa alpha-beta wokhala ndi 6% aluminiyamu, 4% vanadium, ndi titaniyamu yokwanira, komanso milingo yoyendetsedwa mwamphamvu yazinthu zam'kati. Dzina la "ELI" limayimira Extra Low Interstitial, lomwe limatanthawuza kuchepa kwa mpweya, nitrogen, carbon, ndi iron poyerekeza ndi muyezo wa Ti-6Al-4V (Giredi 5) alloy.

Zomwe zili mu aluminiyumu mu Titanium Grade 23 zimagwira ntchito ngati alpha stabilizer, zomwe zimathandiza kulimbikitsa alloy kudzera kulimbitsa njira yolimba komanso kuonjezera kutentha kwa kusintha kuchokera ku alpha kupita ku beta. Izi zimathandiza kuti aloyi ikhale yolimba kwambiri komanso kuti asagwedezeke pa kutentha kwakukulu.

Vanadium, kumbali ina, imakhala ngati beta stabilizer. Zimathandiza kupanga chisakanizo chabwino cha magawo a alpha ndi beta mu microstructure, chomwe chili chofunikira kuti mukwaniritse bwino pakati pa mphamvu ndi ductility. Kukhalapo kwa magawo onse a alpha ndi beta kumapangitsa kuti pakhale njira zambiri zochizira kutentha, zomwe zimathandizira kusinthasintha kwazinthu zomwe zimagwiritsidwa ntchito mwapadera.

Miyezo yochepetsedwa ya zinthu zapakati (oxygen, nitrogen, carbon, and iron) mu Giredi 23 kuyerekeza ndi Giredi 5 ndizofunika kwambiri pakuwongolera makina ake. Zinthu izi, makamaka okosijeni ndi nayitrogeni, zimakonda kuwonjezera mphamvu koma zimachepetsa ductility zikapezeka m'malo okwera. Pochepetsa zomwe zili, Gulu la 23 limakwaniritsa kukhazikika komanso kulimba kwapang'onopang'ono popanda kudzipereka kwambiri.

Makamaka, kutsika kwa okosijeni ndikofunikira kwambiri kukulitsa kulimba kwa fracture komanso kutopa kukana kufalikira kwa ming'alu. Mpweya wa okosijeni umakonda kukhazikika gawo la alpha ndipo ukhoza kuyambitsa kusokonezeka ngati ulipo mopitirira muyeso. Powongolera mosamalitsa mulingo wa okosijeni, Gulu la 23 limakhala ndi mphamvu zabwino kwambiri pomwe limakulitsa luso lake lokana kuyambitsa ndi kufalitsa ming'alu.

Kuchepa kwa nayitrogeni ndi kaboni kumathandizanso kuti ductility ndi kulimba. Zinthu izi, zikapezeka muzambiri, zimatha kupanga tinthu tating'ono tolimba, tomwe timatha kukhala ngati zolimbikitsa komanso zoyambitsa ming'alu. Pochepetsa kupezeka kwawo, Gulu la 23 limakwaniritsa mawonekedwe ofananirako komanso ma ductile microstructure.

Chitsulo chochepa cha chitsulo mu Sitandade 23 poyerekeza ndi Sitandade 5 chimathandiza kuti alloy asachite dzimbiri. Iron imatha kupanga ma intermetallic compounds mu titaniyamu alloys omwe amatha kukhala ngati malo oyambira dzimbiri. Pochepetsa chitsulo, Gulu la 23 limawonetsa kukana kwa dzimbiri zosiyanasiyana, kuphatikiza kupsinjika kwa dzimbiri.

Kuphatikizika kwa zinthu zophatikizikazi kumapangitsa kuti pakhale mawonekedwe apadera amakanika omwe amadziwika Titaniyamu Gawo 23:

1. Mphamvu zazikulu: Ngakhale kuti zimachepetsedwa, Gulu la 23 limakhalabe ndi mphamvu zamphamvu, ndi zokolola zamphamvu zozungulira 795 MPa komanso mphamvu zomaliza za 860 MPa.

2. Kupititsa patsogolo kaductility: Zomwe zili m'munsi mwapakati zimapangitsa kuti zikhale bwino poyerekezera ndi Gulu la 5, ndi kutalika kwapakati pa 10-15%.

3. Kulimba kwa fracture: Gulu la 23 limawonetsa kulimba kwapang'onopang'ono, komwe kuli kofunikira pakugwiritsa ntchito komwe kumafuna kukana kufalikira kwa ming'alu.

4. Kukana kutopa kwabwino kwambiri: Mapangidwe a alloy amathandizira kuti azitha kutopa kwambiri, ndikupangitsa kuti ikhale yoyenera kugwiritsa ntchito zomwe zimaphatikizapo kutsitsa kwa cyclic.

5. Kukana kwabwino kwa zokwawa: Kukhalapo kwa aluminiyumu ndi mawonekedwe owongolera amathandizira Giredi 23 kukana bwino kukwawa pakutentha kokwera kwambiri.

Izi zimapangitsa Titanium Grade 23 kukhala yoyenera kwambiri kuti igwiritsidwe ntchito muzamlengalenga, komwe chiŵerengero cha mphamvu ndi kulemera kwakukulu ndi kukana kutopa ndizofunikira kwambiri, komanso zachipatala, kumene biocompatibility ndi kukana kwa dzimbiri ndizofunikira kwambiri.

Kodi pali kusiyana kotani pakati pa pepala la Titanium Grade 23 ndi Grade 5 pakuchita bwino?

pamene Titanium Giredi 23 (Ti-6Al-4V ELI) ndi Gulu la 5 (Ti-6Al-4V) amagawana zinthu zomwezo zopangira ma alloying, pali kusiyana kwakukulu pamapangidwe awo ndipo, chifukwa chake, mawonekedwe awo amagwirira ntchito. Kumvetsetsa kusiyana kumeneku n'kofunika kwambiri posankha giredi yoyenera pazantchito zinazake.

Kusiyana kwakukulu pakati pa Giredi 23 ndi Sitandade 5 kwagona pa zinthu zapakati, makamaka mpweya, nayitrogeni, kaboni, ndi chitsulo. Gulu la 23, pokhala mtundu wa Extra Low Interstitial (ELI), uli ndi magawo otsika a zinthuzi poyerekeza ndi Gulu la 5. Kusiyana kwakukulu kumeneku kumabweretsa kusiyana kosiyanasiyana pakati pa magulu awiriwa.

Mphamvu ndi Ductility:

Onse a Gulu la 23 ndi Gulu la 5 amapereka mphamvu zambiri, koma pali kusiyana kobisika pamakina awo. Gulu la 5 nthawi zambiri limakhala ndi mphamvu zokwera pang'ono, zokhala ndi zokolola zozungulira 828 MPa komanso kulimba kwamphamvu kwa pafupifupi 895 MPa. Gulu la 23, kumbali ina, ili ndi mphamvu zokolola pafupifupi 795 MPa komanso mphamvu yomaliza ya 860 MPa.

Komabe, kusinthanitsa kwa mphamvu zotsika pang'ono mu Giredi 23 ndikokhazikika. Gulu la 23 nthawi zambiri limawonetsa mayendedwe apamwamba, omwe amakhala mu 10-15%, poyerekeza ndi 5-8% ya Gulu 10. Kukhazikika kumeneku mu Giredi 23 kumatanthawuza kupangidwa bwino komanso kukana kufalitsa kwa crack, komwe kungakhale kofunikira m'mapulogalamu ena.

Kulimba kwa Fracture:

Ubwino umodzi wofunikira kwambiri wa Giredi 23 kuposa Giredi 5 ndi kulimba kwake kwapang'onopang'ono. Zomwe zili m'munsimu mu Giredi 23 zimapangitsa kuti pakhale zinthu zambiri zomwe zimatha kukana kuyambitsa ming'alu ndi kufalitsa. Katunduyu ndi wofunikira kwambiri m'malo omwe zinthu zitha kukhala zopanikizika kwambiri kapena kulephera kungakhale ndi zotsatira zowopsa, monga zida zam'mlengalenga kapena zoyikapo zachipatala.

Kukana Kutopa:

Magiredi onsewa amawonetsa kukana kutopa kwambiri, koma Gulu la 23 nthawi zambiri limachita bwino pankhaniyi, makamaka pankhani ya kukana kufalitsa kwa kutopa. Kukhazikika kwabwino komanso kulimba kwa fracture kwa Giredi 23 kumathandizira kuti athe kupirira kunyamula kwanthawi yayitali popanda kulephera. Izi zimapangitsa Gulu la 23 kukhala loyenera kugwiritsa ntchito machitidwe obwerezabwereza, monga makonzedwe a ndege kapena ma implants azachipatala anthawi yayitali.

Kulimbana ndi Corrosion:

Ngakhale magiredi onsewa amapereka kukana kwa dzimbiri kwabwino kwambiri chifukwa cha kuthekera kwawo kupanga wosanjikiza wa oxide woteteza, Gulu la 23 nthawi zambiri limawonetsa kuchita bwino pang'ono m'malo owononga. Zomwe zili m'munsi mwachitsulo m'gulu la 23 zimathandizira kuti zisawonongeke zamitundu yosiyanasiyana ya dzimbiri, kuphatikizapo kupsinjika kwa dzimbiri. Katunduyu ndi wofunika kwambiri pamankhwala am'madzi kapena zoyikapo zachipatala pomwe zinthuzo zimatha kukhudzidwa ndi madzi am'thupi.

Biocompatibility:

Onse a Giredi 23 ndi Sitandade 5 amaonedwa kuti ndi ogwirizana, koma Gulu la 23 nthawi zambiri limakondedwa kuti likhale ndi implants zachipatala chifukwa cha kuchepa kwake kwa zinthu zomwe zingakhale zovulaza. Kuchepetsa kwazinthu zophatikizika mu Gulu la 23 kumachepetsa chiwopsezo cha zovuta m'thupi la munthu, ndikupangitsa kuti ikhale chisankho chotetezeka pazida zokhala ndi nthawi yayitali.

Pomaliza, nthawi Titaniyamu Gawo 23 ndipo Gulu la 5 limagawana zofanana zambiri, zomwe zili m'munsi mwa kalasi ya 23 zimapangitsa kuti ductility bwino, fracture toughness, kukana kutopa, ndi biocompatibility. Zowonjezera izi zimapangitsa Gulu la 23 kukhala chisankho chokondedwa cha mapulogalamu omwe zinthuzi ndizovuta, ngakhale kuti ndizokwera mtengo. Gulu la 5, lomwe lili ndi mphamvu zokwera pang'ono komanso zotsika mtengo, limakhalabe chisankho chabwino kwambiri pamapulogalamu osiyanasiyana pomwe zida zowonjezera za Giredi 23 sizofunikira. Kusankha pakati pa magiredi awiriwa kuyenera kuzikidwa pa kusanthula mosamalitsa zofunikira za pulogalamu iliyonse, poganizira zinthu monga momwe amagwirira ntchito, zofunikira zachitetezo, ndi zopinga zamitengo.

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Zothandizira

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