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Grade 4 (GR4) titaniyamu machubu opanda msoko Ndizigawo zomwe zimafunidwa kwambiri m'mafakitale osiyanasiyana chifukwa cha mawonekedwe awo apadera komanso kusinthasintha. Machubu awa amadziwika chifukwa cha kukana kwa dzimbiri, kuchuluka kwamphamvu kwa kulemera, komanso kuyanjana kwachilengedwe. Mu bukhuli latsatanetsatane, tiwona tsatanetsatane wa machubu a GR4 titanium opanda msoko, momwe angagwiritsire ntchito, ndi zinthu zomwe zimawapangitsa kukhala chisankho chokondedwa pama projekiti ambiri azachipatala.

Kodi makina amachubu a GR4 titaniyamu opanda msoko ndi chiyani?

GR4 titaniyamu machubu opanda msoko amadzitamandira ndi zinthu zochititsa chidwi zamakina zomwe zimathandizira kuti zigwiritsidwe ntchito movutikira. Zinthu izi zikuphatikizapo:

1. Kulimba Kwamphamvu: Machubu a titaniyamu a GR4 nthawi zambiri amakhala ndi mphamvu zochepera 550 MPa (80,000 psi). Kulimba kwamphamvu kotereku kumawathandiza kupirira katundu wambiri popanda kulephera, kuwapangitsa kukhala oyenera kugwiritsidwa ntchito pazamlengalenga, zam'madzi, ndi mafakitale.

2. Mphamvu Zokolola: Mphamvu zokolola za GR4 titaniyamu machubu pafupifupi 485 MPa (70,000 psi). Katunduyu akuwonetsa kupsinjika komwe zinthuzo zimayamba kupunduka pulasitiki, kupatsa mainjiniya chidziwitso chofunikira popanga zida zomwe zimasunga mawonekedwe awo pansi.

3. Kutalikitsa: GR4 titaniyamu ikuwonetsa kutalika kwa pafupifupi 15% mu utali wa 50 mm (2 inchi). Ductility iyi imalola kusinthika kwina kusanalephereke, komwe kumakhala kopindulitsa pakugwiritsa ntchito komwe kumayamwa kupsinjika ndikofunikira.

4. Modulus of Elasticity: The elastic modulus ya GR4 titanium ndi pafupifupi 105 GPa (15.2 x 10^6 psi). Mtengowu ukuwonetsa kuuma kwa zinthuzo komanso kuthekera kwake kukana kusinthika kwa zotanuka pansi pa katundu.

5. Kulimba: GR4 titaniyamu nthawi zambiri imakhala ndi kulimba kwa Rockwell C pafupifupi 25-35 HRC. Kuuma kwapakatikati kumeneku kumathandizira kuti zinthu zisawonongeke ndikulola kuti machinability.

Katundu wamakinawa amapanga machubu a GR4 titaniyamu opanda msoko kukhala chisankho chabwino kwambiri pamapulogalamu omwe amafunikira mphamvu zambiri, kukhazikika bwino, komanso kukana kutopa. Mwachitsanzo, m'makampani opanga zinthu zakuthambo, machubuwa amagwiritsidwa ntchito m'ma hydraulic ndi pneumatic system komwe kudalirika pazovuta ndi kutentha kosiyanasiyana ndikofunikira. Pazachipatala, mphamvu zawo ndi biocompatibility zimawapangitsa kukhala abwino pazida zopangira opaleshoni ndi zida zoyika.

Ndikofunika kuzindikira kuti zinthuzi zimatha kukhudzidwa ndi kupanga, kutentha kwa kutentha, ndi miyeso yeniyeni ya chubu. Mainjiniya ndi opanga nthawi zonse amayenera kukaonana ndi ogulitsa zinthu ndikuyang'ana zofananira (monga ASTM B338) kuwonetsetsa kuti chubu chosankhidwa chikukwaniritsa zofunikira pakugwiritsa ntchito kwawo.

Kodi kukana kwa dzimbiri kwa machubu opanda msoko a GR4 titaniyamu kumafananiza bwanji ndi zida zina?

Kulimbana ndi dzimbiri GR4 titaniyamu machubu opanda msoko ndi chimodzi mwazinthu zodziwika bwino, kuwasiyanitsa ndi zida zina zambiri zamainjiniya. Kuti timvetsetse momwe GR4 titaniyamu ikufananizira ndi zida zina potengera kukana kwa dzimbiri, tiyeni tiwone mfundo zingapo zofunika:

1. Passive Oxide Layer: Monga ma aloyi ena a titaniyamu, GR4 titaniyamu imapanga wosanjikiza wokhazikika, womata wa oxide (makamaka TiO2) pamtunda wake ukakumana ndi okosijeni. Chosanjikiza ichi chimapereka chitetezo chapadera ku dzimbiri m'malo osiyanasiyana, kuphatikiza madzi a m'nyanja, ma asidi, ndi ma chlorine.

2. Kuyerekeza ndi Zitsulo Zosapanga dzimbiri: Ngakhale kuti chitsulo chosapanga dzimbiri chimadziwika ndi kukana dzimbiri, titaniyamu ya GR4 nthawi zambiri imakhala yopambana m'malo ovuta. Mwachitsanzo, m'madzi a m'nyanja, titaniyamu imawonetsa kuti palibe dzimbiri, pomwe zitsulo zosapanga dzimbiri zosapanga dzimbiri zimatha kuwonongeka ndi maenje kapena kuwonongeka pakapita nthawi.

3. Kukana kwa Chlorides: GR4 titaniyamu imagonjetsedwa kwambiri ndi kloride-induced stress corrosion cracking, vuto lofala kwa zitsulo zambiri zosapanga dzimbiri. Izi zimapangitsa machubu a titaniyamu kukhala chisankho chabwino kwambiri pakugwiritsa ntchito madzi amchere kapena ma chlorinated solution, monga zomera zochotsera mchere kapena malo opangira mankhwala.

4. Kuchita mu Acids: GR4 titaniyamu imasonyeza kukana kwabwino kwa asidi ambiri, kuphatikizapo nitric acid, sulfuric acid (mpaka kuzinthu zina), ndi hydrochloric acid. Kukana kumeneku kumaposa zitsulo zina zambiri ndi aloyi, kupanga machubu a titaniyamu oyenera kugwiritsidwa ntchito m'mafakitale opangira mankhwala ndi kupanga.

5. Kulimbana ndi Kutentha Kwambiri kwa Kutentha: Mosiyana ndi zipangizo zina zomwe zingatayike kupirira kutentha kwapamwamba, titaniyamu ya GR4 imasunga katundu wake wotetezera mpaka pafupifupi 300 ° C (572 ° F). Izi zimapangitsa kuti zikhale zofunikira m'mapulogalamu omwe kutentha ndi kuwononga kumakhalapo.

6. Kuganizira za Galvanic Corrosion: Mukakumana ndi zitsulo zina pamaso pa electrolyte, titaniyamu nthawi zambiri imakhala cathodic, kutanthauza kuti imatetezedwa pamene zitsulo zina zimawononga. Komabe, izi zitha kupangitsa kuti chitsulocho chikhale chokwera kwambiri, chifukwa chake kutchinjiriza koyenera kapena kusankha zinthu zofananira ndikofunikira pamisonkhano yazitsulo zambiri.

7. Biocompatibility: Kukana kwa dzimbiri kwa GR4 titaniyamu kumathandizira kuyanjana kwake. Pazachipatala, izi zikutanthauza kuti machubu a titaniyamu atha kugwiritsidwa ntchito ngati ma implants kapena zida zopangira opaleshoni zomwe zimakhala ndi chiopsezo chochepa cha zovuta chifukwa cha dzimbiri.

Tikayerekeza kukana kwa dzimbiri kwa machubu opanda msoko a GR4 titaniyamu ndi zida zina, zikuwonekeratu kuti titaniyamu imapereka magwiridwe antchito apamwamba m'malo ambiri ovuta. Kukana kwa dzimbiri kwapaderaku, kuphatikiza ndi zinthu zina zabwino, kumapangitsa machubu a titaniyamu a GR4 kukhala chisankho chabwino kwambiri pamapulogalamu omwe kudalirika kwanthawi yayitali komanso kukhazikika kwazinthu ndikofunikira. Komabe, monga momwe zilili ndi kusankha kwazinthu zilizonse, ndikofunikira kuganizira momwe chilengedwe chimakhalira, kupsinjika komwe kukufunika, komanso zinthu zachuma pakugwiritsa ntchito kulikonse kuti muwone ngati GR4 titaniyamu ndiye chisankho choyenera.

Mfundo zazikuluzikulu zopangira machubu opanda msoko a GR4 titaniyamu ndi ziti?

opanga GR4 titaniyamu machubu opanda msoko imafuna njira zapadera ndikuganizira mozama zinthu zosiyanasiyana kuti zitsimikizire kuti chomaliza chikukwaniritsa zofunikira komanso miyezo yabwino. Nazi malingaliro ofunikira opanga:

1. Kusankha Kwazinthu Zopangira:

- Kuyera ndi mtundu wa zinthu zoyambira za titaniyamu ndizofunikira. Titaniyamu ya GR4 ili ndi zofunikira zapang'onopang'ono, kuphatikiza malire pa zonyansa monga mpweya, nayitrogeni, kaboni, ndi chitsulo.

- Kufufuza mosamala komanso kuyesa zinthu zopangira ndikofunikira kuti muwonetsetse kuti zikutsatira miyezo monga ASTM B338 kapena zofananira.

2. Njira Zopangira Machubu:

- Machubu opanda msoko a titaniyamu nthawi zambiri amapangidwa pogwiritsa ntchito imodzi mwa njira ziwiri zazikulu:

a) Extrusion: Izi zimaphatikizapo kukakamiza billet yotentha ya titaniyamu kudzera mukufa kuti ipange mawonekedwe a tubular.

b) Kuboola: Kuboola mozungulira kotsatiridwa ndi kuzizira kuti muchepetse kukula kwa chubu ndi makulidwe a khoma kwinaku akuwonjezera kutalika kwake.

- Kusankha pakati pa njirazi kumatengera kukula kwa chubu chomwe mukufuna, kuchuluka kwake, ndi zinthu zina zofunika.

3. Chithandizo cha Kutentha:

- Kutentha koyenera ndikofunikira kuti mukwaniritse zofunikira zamakina ndi ma microstructure mu machubu a titaniyamu a GR4.

- Annealing amachitidwa kawirikawiri kuti athetse kupsinjika kwamkati ndikuwonetsetsa kuti ali ndi mawonekedwe ofanana mu chubu chonse.

- Zomwe zimapangidwira kutentha (kutentha, nthawi, kuzizira) ziyenera kuyang'aniridwa mosamala kuti zikwaniritse zofunikira.

4. Kumaliza Pamwamba:

- Ubwino wa pamwamba wa machubu a titaniyamu a GR4 ndi wofunikira pamapulogalamu ambiri, makamaka m'mafakitale azachipatala ndi zakuthambo.

- Njira zingapo zomaliza zitha kugwiritsidwa ntchito, kuphatikiza:

- Kupukuta kwamakina

- Chemical mphero

- Electropolishing

- Kusankha njira yomaliza kumatengera momwe akufunira komanso kukhwimitsa komwe kumafunikira.

5. Dimensional Control:

- Kusunga kulolerana kolimba pamiyeso monga mainchesi akunja, mainchesi amkati, makulidwe a khoma, komanso kuwongoka ndikofunikira.

- Njira zoyezera zapamwamba komanso njira zowongolera zabwino zimagwiritsidwa ntchito popanga zonse kuti zitsimikizire zolondola.

6. Mayeso Osawononga (NDT):

- Njira zosiyanasiyana za NDT zimagwiritsidwa ntchito poyang'ana machubu a titaniyamu a GR4 ngati ali ndi vuto popanda kuwononga malonda:

- Akupanga kuyesa kwa zolakwika zamkati

- Kuyesa kwa Eddy pakadali pano pazolakwika zapamtunda ndi zapafupi

- Kuyesa kwa Hydrostatic kuti muzindikire kutayikira

- Zofunikira zenizeni za NDT nthawi zambiri zimatengera zomwe akufuna komanso zomwe kasitomala akufuna.

7. Kupewa kuipitsidwa:

- Titaniyamu imagwira ntchito kwambiri pakatentha kwambiri, zomwe zimapangitsa kuti zitha kuipitsidwa zikamakonzedwa.

- Ndondomeko zaukhondo wokhazikika komanso mlengalenga wowongolera ndizofunikira pakatentha kwambiri kuti tipewe mpweya, nayitrogeni, kapena kaboni, zomwe zitha kusokoneza zinthu zakuthupi.

8. Zowotcherera:

- Ngakhale machubu opanda msoko amapangidwa popanda kuwotcherera, ntchito zina zingafunike zomata kapena zomangira.

- GR4 titaniyamu imafuna njira zowotcherera zapadera, zomwe nthawi zambiri amagwiritsa ntchito chitetezo cha inert gas (TIG welding) kuteteza kuipitsidwa.

- Chithandizo cha kutentha kwapambuyo pa weld kungakhale kofunikira kuti mubwezeretse zinthu zakuthupi m'dera lomwe lakhudzidwa ndi kutentha.

9. Ntchito Yozizira ndi Kupanga:

- Machubu a titaniyamu a GR4 amatha kugwira ntchito mozizira kuti awonjezere mphamvu, koma izi ziyenera kuyang'aniridwa mosamala kuti tipewe kugwira ntchito mopitirira muyeso kapena kuyambitsa kupsinjika kotsalira.

- Springback popanga maopareshoni amaganiziridwa chifukwa cha kulimba kwa titaniyamu komanso kutsika kwamphamvu kwamphamvu kwa titaniyamu.

10. Chitsimikizo cha Ubwino ndi Chitsimikizo:

- Njira zowongolera bwino zimayendetsedwa nthawi yonse yopangira.

- Zitsimikizo zakuthupi, kuphatikiza kusanthula kwa kapangidwe kake ndi kuyesa kwazinthu zamakina, nthawi zambiri zimaperekedwa ndi gulu lililonse la machubu.

- Njira zotsatirira nthawi zambiri zimagwiritsidwa ntchito kutsata chubu chilichonse kuchokera kuzinthu zopangira mpaka zomwe zamalizidwa.

Poganizira mosamala malingaliro opanga izi, opanga amatha kupanga GR4 titaniyamu machubu opanda msoko zomwe zimakwaniritsa miyezo yoyenera pakugwiritsa ntchito movutikira muzamlengalenga, zamankhwala, kukonza mankhwala, ndi mafakitale ena ovuta. Kuphatikizika kwa njira zopangira zida zapamwamba, kuwongolera bwino kwambiri, komanso kumvetsetsa mozama zazitsulo za titaniyamu kumatsimikizira kuti zinthu zomaliza zimakhala ndi zinthu zapadera zomwe zimapangitsa kuti machubu a GR4 titaniyamu akhale ofunika kwambiri muukadaulo wamakono ndi ntchito zamankhwala.

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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