Titanium Alloy Piston

Titanium alloy piston feem ntau yog siv nyob rau hauv siab - kev ua tau zoo, xws li nyob rau hauv dav hlau cav, tsheb sib tw, thiab siab - kawg maus taus, vim nws superior zog - rau - luj piv, corrosion kuj, thiab muaj peev xwm tiv taus huab cua kub.

Titanium alloy piston yog siab -kev ua tau zoo piston rau kev sib xyaw ua ke hauv lub cav, machined lossis forged feem ntau los ntawm titanium-raws li alloys es tsis txhob siv cov khoom siv xws li txhuas- silicon alloys lossis steel. crankshaft, thaum tsim los ntawm lub teeb yuag, siab -lub zog titanium alloys xws li Ti-6Al-4V (Qib 5).

1.Khoom siv:Titanium alloys feem ntau siv rau pistons suav nrogTi-6Al-4V(Qib 5), uas muaj 90% titanium, 6% aluminium, thiab 4% vanadium. Cov alloy no muaj qhov sib npaug zoo ntawm lub zog, qhov hnyav, thiab kav ntev.

2.Ceev:Titanium alloy muaj qhov ntom ntom, feem ntau nyob ib ncig ntawm 4.43 g / cm³, ua rau nws sib zog dua hlau tab sis muaj zog dua li ntau lwm yam hlau.

3.Tensile zog:Titanium alloy pistons feem ntau muaj lub zog tensile nruab nrab ntawm 900 MPa rau 1,200 MPa (megapascals), nyob ntawm seb cov alloy tshwj xeeb thiab cov txheej txheem kho mob siv.

4.Yield zog:Lub zog muaj zog tuaj yeem nyob ntawm 800 MPa mus rau 1,100 MPa, tso cai rau lub piston tuaj yeem tiv taus kev kub ntxhov thaum lub sij hawm combustion yam tsis muaj deforming.

5.Melting Point:Lub melting point ntawm titanium alloys yog nyob ib ncig ntawm 1,660℃(3,020℃F), uas yog ho siab tshaj li feem ntau aluminium alloys, ua titanium pistons muaj peev xwm tiv taus siab dua cav kub.

6.Coefficient ntawm Thermal Expansion:Lub coefficient ntawm thermal expansion rau titanium alloys kuj tsawg, nyob ib ncig ntawm 8.6 x 10^-6 / degree, uas pab tswj qhov seem stability nyob rau hauv high kub tej yam kev mob.

7.Fatigue Resistance:Titanium alloys nthuav tawm kev qaug zog zoo heev, uas yog qhov tseem ceeb rau pistons raug rau lub voj voog ntawm kev ua haujlwm ntawm lub cav.

8.Corrosion Resistance:Titanium yog cov tiv taus corrosion heev, tshwj xeeb tshaj yog nyob rau hauv siab - kub thiab tshuaj lom neeg aggressive ib puag ncig, ua rau nws zoo tagnrho rau siv nyob rau hauv lub engine raug mob hnyav.

9.Nto tiav:Lub piston nto yuav raug kho nrog cov txheej txheem los yog cov txheej txheem tawv tawv zoo li nitriding kom hnav tsis kam thiab ua kom ntev lub neej ntawm lub piston.

10.Qhov hnyav:Titanium pistons yog sib zog dua lawv cov hlau los yog txhuas counterparts, feem ntau txo qhov hnyav tag nrho ntawm lub cav, uas yog qhov tseem ceeb rau kev ua haujlwm thiab kev ua haujlwm.

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Cim npe nrov: Tuam Tshoj titanium alloy piston manufacturers, lwm tus neeg, Hoobkas