Shanduko yeshanduro yetitanium alloy matanda panguva inopisa extrusion

Iyo michina yezvivakwa zve titanium, inowanzo kuzivikanwa seyemagetsi zvivakwa, zvakabatana zvakanyanya nekuchena. Yakakwira-yakachena titanium ine yakanakisa machinability, yakanaka elongation uye shrinkage, asi yakaderera simba uye haina kukodzera kuumbwa kwemidziyo. Maindasitiri yakachena titanium ine zvakasviba zvisina kukodzera, ine simba rakakura uye mapurasitiki, uye inokodzera kugadzira zvigadzirwa zvemidziyo. Iko kupisa kwekushisa kwe titanium uye titanium alloy blanks yakaderera, izvo zvinokonzeresa yakakura tembiricha musiyano pakati pechiso chepamusoro uye chepakati chemukati panguva yekupisa extrusion. Kana iyo tembiricha yeiyo extrusion dhiramu iri madhigirii mazana mana, mutsauko wekupisa unogona kusvika 400 ~ 200 degrees. Pasi pemubatanidzwa wekukweva kusimbisa uye hukuru hwekupisa tembiricha yechikamu chisina chinhu, simbi iri pamusoro nepakati peiyo isina chinhu inogadzira simba rakasiyana kwazvo uye zvivakwa zvepurasitiki, izvo zvinokonzeresa kusaenzana kusingaenzane panguva yekuburitsa. Iyo inogadzira yakakura yekuwedzera kusagadzikana kusagadzikana, iyo inova sosi yekuparara uye kutsemuka pamusoro pechinhu chakabuditswa zvigadzirwa. Iyo inopisa extrusion maitiro e titanium uye titanium alloy zvigadzirwa zvinonyanya kuomarara kupfuura iyo yealuminium alloy, mhangura chiwanikwa, uye kunyange simbi, iyo inosarudzwa neakasarudzika epanyama uye emakemikari zvivakwa zve titanium uye titanium chiwanikwa.

Parizvino, mafuta ekugadzirisa anofanirwa kushandiswa mukuwedzera kweatanium matanda. Chikonzero chikuru ndechekuti titanium ichaumba fusible eutectic ine iron-yakavakirwa kana nickel-yakavakirwa chiwanikwa chiumbwa zvigadzirwa pane tembiricha ye980 degrees uye 1030 degrees, nokudaro zvichikonzera kuti furuu ipere zvine simba. Paunenge uchishandisa grafiti lubricant, yakadzika longitudinal kukwenya kunogona kuumbwa pamusoro peichi chigadzirwa, inova mhedzisiro yebasa reiyo machine-titanium tsvimbo uye titanium chiwanikwa tsvimbo inonamira kuforoma. Kana uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchiita. Zvidzidzo zvakaratidza kuti kuoneka kwe "mamaki" kunokonzerwa nekudzikisira kwemafuta ekudhinda kwe titanium uye titanium alloys, izvo zvinokonzeresa kuti pamusoro peiyo billet itonhore zvine chisimba uye mapurasitiki adonhe zvakanyanya.

Titanium alloys anoiswa seakaderera-simba epamusoro-epurasitiki, yepakati-simba uye yakakwirira-simba, uye inotangira kubva 200 (yakaderera-simba) kusvika 1300 (yakakwira-simba) MPa, asi kazhinji titanium alloys inogona kutorwa seakakwira-esimbi alloys . Iwo akasimba kupfuura aluminium alloys, ayo anoonekwa seapakati-simba, uye anogona kutsiva zvachose mamwe marudzi esimbi musimba. Zvichienzaniswa nekuderera nekukurumidza kwesimba kwealuminium alloys pane tembiricha iri pamusoro pe150 ° C, mamwe ma titanium alloys anogona kuramba aine simba rakanaka pa600 ° C. Iyo compact simbi titanium inokosheswa zvakanyanya neiyo ndege indasitiri nekuda kwayo kurema uremu uye simba rakakwirira kupfuura aluminium alloys, iyo inogona kuchengetedza yakasimba simba kupfuura aluminium pakakwirira tembiricha. Tichifunga kuti kuwanda kwe titanium i57% yesimbi, simba rayo chairo (simba / huremu reshiyo kana simba / kuenzana kunodaidzwa kunzi simba chairo) rakakwirira, uye kurwisa kwaro kurwisa, kushomeka kweiyo oxidation, uye kupera simba kwekuneta kwakasimba. 3/4 yetitanium chiwanikwa chinoshandiswa seyeMidziyo yezvinhu inomiririrwa nendege dhizaini alloys anonyanya kushandiswa seyorira-inodzivirira maalloys. Titanium alloy ine yakakwira simba uye yakaderera density, yakanaka michina zvivakwa, yakanaka kuomarara uye ngura kuramba. Uye zvakare, titanium alloys ine mashoma maitiro ekuita uye anonetsa kutema. Mukushanda kupisa, zviri nyore kwazvo kutora tsvina senge hydrogen, oxynitride uye kabhoni. Iko kune zvakare murombo abrasion kuramba uye yakaoma kugadzirwa maitiro. Iyo yekugadzirwa kwemaindasitiri ye titanium yakatanga muna 1948. Iko kudikanwa kwekusimudzirwa kweindasitiri yendege kwakagonesa iyo titanium indasitiri kukura pavhareji yegore yekukura mwero weinenge 8%. Parizvino, kuburitswa kwepagore kwetitanium alloy zvakagadziriswa zvinhu zvepasirose zvasvika pamusoro pemakumi mana ezviuru zvematani 'angangoita makumi matatu emhando dze titanium alloy mamaki. Anonyanyo shandiswa titanium alloys ari Ti-40,000Al-30V (TC6) 'Ti-4Al-4Sn (TA5) uye maindasitiri akachena titanium (TA2.5, TA7 uye TA1).

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