Khoom Taw Qhia

ⅡT-7M Titanium Alloy Yeeb Nkab yog qhov qis- lub zog, siab -plasticity, thiab corrosion-resistant - hom titanium alloy. Nws muaj 2% Al thiab 2.5% Zr li -stabilizing cov ntsiab lus, uas muab cov kev daws teeb meem ntxiv dag zog rau cov hlau. ΠT-7M titanium alloy muaj cov txheej txheem zoo heev, weldability, thiab corrosion kuj, thiab tuaj yeem ua rau txias thiab kub ua haujlwm (xws li txias dov thiab txias txias ntawm cov kav dej), machining, thiab vuam.

Khoom Parameters

1. Cov tshuaj muaj pes tsawg leeg ntawm ⅡT-7M titanium alloy yeeb nkab khoom yog qhia nyob rau hauv Table 1.

Cov hlau alloy			Cov ntsiab lus impurity (tsis ntau tshaj)
Ti	Al	Zr	Fe	C	N	H	O	Si	Lwm yam ntsiab lus
tshuav nyiaj li cas	1.8-2.5	2.0-3.0	0.25	0.08	0.04	0.06	0.15	0.12	0.50

2. Lub cev muaj zog.

Thermal conductivity yog qhia nyob rau hauv Table 2.

θ / degree	20	100	200	300	400	500	600
λ / (W / (m· degree))	11.3	12.47	13.86	15.78	17.14	-	-

Lub peev xwm kub tshwj xeeb yog qhia hauv Table 3.

θ / degree	20	100	200	300	400	500	600
c/(J/(㎏· degree))	460	520	5585	628	650	-	-

Cov coefficient ntawm linear expansion tuaj yeem pom hauv Table 4.

θ / degree	100	200	300	400	500	600
a₁/10^-6degree^-1	9.0	9.3	9.5	9.6	9.7	-

3. Cov khoom siv tshuaj.

Kev ua haujlwm antioxidant zoo ib yam li kev lag luam ntshiab titanium.

Corrosion tsis kam: Cov hlau no muaj qhov zoo corrosion kuj nyob rau hauv seawater, nrog corrosion kuj nyob rau hauv acids thiab lwm yam xov xwm zoo ib yam li cov ntshiab titanium. Nyob rau hauv tej yam kev mob ntawm cov av noo thiab cua sov, cov khoom no tsis muaj nyob rau hauv lub zos los yog pitting corrosion.

4. Mechanical zog ntawm ⅡT-7M Titanium Alloy yeeb nkab.

Lub zog tensile ntawm qhov sib txawv ntawm qhov kub thiab txias yog qhia hauv Table 5.

Specification / hli	xwm txheej	θ / degree	Rm/MPa	R_p0.2/MPa	A/%
Φ(6~18)*(0.5~1.5)	Annealing	20	550-615	430-490	19-29
		100	440-510	350-505	22-31
		200	375-450	270-335	26-35
		300	265-350	220-255	55-56
		350	225-255	210-215	52-53
		400	232-245	180-200	49-53

Chav tsev kub tensile zog tom qab lub tshuab nqus tsev annealing ntawm qhov sib txawv kub yog qhia nyob rau hauv Table 6.

Ntau yam	xwm txheej	Kev coj ua piv txwv	Annealing kub / degree	Rm/MPa	R_p0.2/MPa	A/%
Nias lub cev	Nqus annealing	L	Tsis annealed	615	500	24
			650	575	480	25
			700	580	475	26
			750	580	475	26
			800	570	420	28
Cov yeeb nkab txias txias	Nqus annealing	L	650	540-575	420-450	23-28
			700	525-575	410-460	24-27
			750	500-550	370-430	28
			800	490-520	370-410	29

Cov yam ntxwv ntawm cov khoom thiab kev siv

ⅡT-7M Titanium Alloy Yeeb Nkab muaj lub zog tsawg tab sis cov yas siab dua, feem ntau yog siv rau kev tsim cov kav dej thiab cov khoom siv hluav taws xob. Lavxias teb sab integrated pressurized dej reactor chav generators siv Ti-2Al-2.5Zr titanium alloy kav rau raj los xij thiab tshav kub hloov daim hlau. Lub tshuab hluav taws xob siab tshaj plaws ntawm lub tshuab hluav taws xob no muaj kev ua haujlwm zoo, kev cog lus, thiab kev nyab xeeb, ua rau nws yog ib qho tseem ceeb siv nyob rau hauv nuclear submarines, icebreakers, thiab aircraft carriers.

Cov ntaub ntawv sib piv ntawm cov txiaj ntsig ntawm kev siv ⅡT-7M titanium alloy thiab stainless hlau hauv lub tshuab hluav taws xob tuaj yeem pom nyob rau hauv Table 7.

Qhov project sib piv	stainless hlau	ⅡT-7M titanium alloy kav
Tus nqi txheeb ze ntawm cov khoom siv thiab cov nqi tsim khoom.	1	5
Chav generator lifespan, txhiab teev	12	120
Tus naj npawb ntawm cov khoom siv raug hloov thaum lub sijhawm ua haujlwm ntawm lub nkoj.	9	0
Tus txheeb ze kev khiav hauj lwm tus nqi ntawm chav generator	2.5~3.4	1

Khoom Paub meej

Qhov ntev thiab qhov tso cai sib txawv ntawm cov kav dej tau qhia hauv Table 8.

Sab nraud txoj kab uas hla, mm	Tso cai sib txawv, mm			Txiav obliquely, mm	Curvature
	Ntev	Sab nraud txoj kab uas hla	Phab ntsa thickness
60-200	+200	±1%×D	±12.5%×t	Tsawg dua los yog sib npaug rau 3.0	Tsawg dua lossis sib npaug rau 3 . 0 mm / m, Thiab qhov ntev tag nrho yuav tsum tsis pub tshaj 1.5% ntawm tag nrho qhov ntev ntawm cov yeeb nkab.
>200-350				Tsawg dua los yog sib npaug rau 5.0
>350-480				Tsawg dua los yog sib npaug rau 7.0

Cov tsos zoo

Sab hauv thiab sab nrauv ntawm ⅡT-7M Titanium Alloy Yeeb Nkab yuav tsum huv si, tsis muaj oxidation thiab roj stains, thiab nthuav tawm cov xim nyiaj-grey xim hlau.

Sab hauv thiab sab nrauv ntawm cov yeeb nkab yuav tsum tsis pub muaj qhov tsis xws luag xws li tawg, folds, tev, thiab pinholes.

Localized defects nyob rau saum npoo ntawm cov yeeb nkab yog tso cai kom raug tshem tawm, tab sis tom qab tshem tawm, qhov tsawg kawg nkaus qhov ntev ntawm cov yeeb nkab yuav tsum tau ua kom ntseeg tau. Cov yeeb nkab saum npoo yog tso cai kom muaj khawb, qhov pits, pob, thiab cov qhab nia ncaj nraim uas tsis pub tshaj qhov sib txawv ntawm phab ntsa tuab.

Khoom Muag

ⅡT-7M Titanium Alloy Yeeb Nkab raug xa mus rau hauv qhov kub-kuav los tiag (R) lossis annealed mob (M), nrog rau saum npoo hauv sandblasted, pickled, lossis polished. Yog tias xav tau los ntawm tus neeg yuav khoom thiab tau teev nyob rau hauv qhov kev txiav txim, sab hauv thiab sab nraud ntawm cov kav dej tuaj yeem raug machined ua ntej xa khoom.Cov cim ntawm cov kav dej yog nyob rau hauv qhov kev txiav txim ntawm lub npe, qib, mob, specifications (D × t × L), thiab cov ntaub ntawv naj npawb ntawm cov ntaub ntawv no.

Txhua pawg ntawm cov khoom tuaj nrog nrog cov ntaub ntawv, uas suav nrog cov ntaub ntawv xa khoom, cov ntaub ntawv khoom, cov ntaub ntawv no (GB/T 39856), hnub tsim khoom lossis hnub ntim, nrog rau daim ntawv pov thawj khoom zoo, daim ntawv pov thawj khoom, thiab daim ntawv tshaj tawm tshuaj xyuas cov khoom tiav.

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