Dab tsi yog qhov tseem ceeb ntawm Titanium Alloy?

(1) siab zog

Qhov ceev ntawm titanium alloy feem ntau yog li 4.5g / cm3, uas tsuas yog 60 feem pua ​​​​ntawm cov hlau. Lub zog ntawm ntshiab titanium yog ze rau cov hlau zoo tib yam. Qee lub zog titanium alloy siab tshaj lub zog ntawm ntau cov hlau alloy steel. Yog li ntawd, lub zog tshwj xeeb (lub zog / ntom) ntawm titanium alloy yog ntau dua li ntawm lwm cov khoom siv hlau, raws li qhia hauv Table 7-1. Nws tuaj yeem tsim cov khoom thiab qhov chaw nrog lub zog siab, zoo rigidity thiab lub teeb yuag. Tam sim no, titanium alloys yog siv nyob rau hauv lub cav Cheebtsam, pob txha, tawv nqaij, fasteners thiab tsaws iav.

(2) Siab thermal siv

Kev siv qhov kub thiab txias yog ob peb puas degrees siab dua aluminium alloy, nyob rau hauv nruab nrab qhov kub thiab txias tseem tuaj yeem tswj tau lub zog uas yuav tsum tau muaj, tuaj yeem ua 450 ~ 500 degree kub rau lub sijhawm ntev ua haujlwm ob lub titanium alloy nyob rau hauv thaj tsam ntawm 150 degree ~ 500 degree. tseem muaj lub zog tshwj xeeb heev, thiab aluminium alloy ntawm 150 degree tshwj xeeb lub zog poob qis. Kev ua haujlwm kub ntawm titanium alloy tuaj yeem ncav cuag 500 degree, thiab aluminium alloy yog qis dua 200 degree.

(3) Zoo corrosion kuj

Kev tiv thaiv corrosion ntawm titanium alloy yog zoo dua li ntawm cov hlau tsis muaj steel thaum nws ua haujlwm hauv cov huab cua noo thiab dej hiav txwv nruab nrab. Tshwj xeeb tshaj yog muaj zog tiv thaiv pitting corrosion, acid corrosion thiab kev nyuaj siab corrosion; Nws muaj kev tiv thaiv corrosion zoo heev rau alkali, chloride, chlorinated organic khoom, nitric acid, sulfuric acid, thiab lwm yam. Txawm li cas los xij, titanium tsis zoo corrosion kuj rau reductive oxygen thiab chromium ntsev media.

(4) Kev ua haujlwm kub tsis zoo

Titanium alloy tuaj yeem tswj hwm nws cov khoom siv dag zog ntawm qhov qis thiab ultra-tsawg kub. Titanium alloys nrog kev ua haujlwm kub tsis zoo thiab cov ntsiab lus qis qis, xws li TA7, tuaj yeem tswj tau qee yam yas ntawm -253 degree . Yog li ntawd, titanium alloy kuj yog ib qho tseem ceeb uas tsis muaj qhov kub thiab txias cov khoom siv.

(5) Cov tshuaj lom neeg ua haujlwm siab

Cov khoom siv tshuaj lom neeg ntawm titanium yog qhov loj, thiab cov cua hauv O, N, H, CO, CO2, dej vapor, ammonia gas thiab lwm yam tsim cov tshuaj tiv thaiv muaj zog. Thaum cov ntsiab lus carbon ntau dua 0.2 feem pua, nws yuav tsim TiC nyuaj hauv titanium alloy; Thaum kub siab dua, kev cuam tshuam nrog N tseem yuav tsim TiN tawv; Tshaj 600 degree, titanium absorbs oxygen los ua ib txheej tawv tawv nrog siab hardness; Cov txheej embrittlement tseem yuav tsim thaum cov ntsiab lus hydrogen nce. Qhov tob ntawm cov tawv tawv tawv uas tsim los ntawm kev nqus cov pa tuaj yeem ncav cuag 0.1 ~ 0.15mm, thiab hardening degree yog 20% ​​~ 30 feem pua. Cov tshuaj affinity ntawm titanium kuj yog loj, yooj yim los tsim adhesion nrog kev sib txhuam nto.

(6) Me me thermal conductivity thiab elastic modulus

Lub thermal conductivity ntawm titanium λ=15.24W / (mK) yog hais txog 1/4 ntawm npib tsib xee, 1/5 ntawm hlau, 1/14 ntawm txhuas, thiab thermal conductivity ntawm txhua yam ntawm titanium alloy yog txog 50. feem pua ​​qis dua li ntawm titanium. Lub elastic modulus ntawm titanium alloy yog li ntawm 1/2 ntawm cov hlau, yog li nws rigidity tsis zoo, yooj yim rau deformation, yuav tsum tsis txhob ua los ntawm slender pas nrig thiab nyias-walled qhov chaw, txiav ua nto rebound ntim yog loj, txog 2 ~ 3 zaug. ntawm cov hlau tsis muaj steel, uas ua rau muaj kev sib txhuam hnyav, adhesion, kev sib raug zoo hnav tom qab lub cuab yeej nto.

Yog tias koj muaj lus nug, thov hu rau peb. Peb lub tuam txhab tuaj yeem tsim ntau yam koob txhaj tshuaj, koob tshuaj kho mob, koob txhaj tshuaj, koob tshuaj hypodermic, koob tshuaj biopsy, koob tshuaj tiv thaiv, koob txhaj tshuaj, koob txhaj tshuaj, koob tshuaj tua tsiaj, koob xaum koob, koob ovum khaws koob, koob txhaj tshuaj, thiab lwm yam Yog tias koj xav tau kev kho koob cov khoom, thov hu rau peb. Peb tos ntsoov rau koj qhov kev nug! Qhov zoo ntawm cov khoom tsim nyob rau hauv peb lub Hoobkas yuav txaus siab rau koj!

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