Titanium alloys nrog tsawg lub zog, siab ua haujlwm, feem ntau yog siv cov khoom siv ntawm titormation ntawm titoracation ntawm titoras alloys xws li tuav, zam txim thiab dov Profiles .} ecyming deformicing thiab kev tsim khoom, thiab thaum lub zog ntawm cov khoom scrap . hauv saib ntawm qhov no, daim ntawv txheeb xyuas thiab piav qhia txog cov xwm txheej tawg uas tshwm sim los tiv thaiv thiab daws cov khoom lag luam titanium, yog li cov khoom lag luam zoo ntawm titanium alloy forging {}}
1, titanium alloy forging cracking kev faib tawm thiab ua
1.1 Xaus ntsej muag tawg
Kawg lub ntsej muag tawg yog ib hom kev tawg uas tshwm sim ntawm lub ntsej muag tseem ceeb, thiab ntau dua kev lom zem ② Usetting cov txheej txheem, lub ntsej muag xaus lub ntsej muag thiab lub Jillit sib cuag kub hnyiab tau, rub lub ntsej muag ntev lub ntsej muag txias nrawm; ③ Xaus lub ntsej muag ntawm cov lus qhia sib txawv ntawm qhov extrusion, deformation tsis zoo nkauj, lossis rub lub sijhawm ntev deformation ceev nrawm heev; ④ Qee lub Billet deformation tiv taus yog loj mustility, kawg ntawm lub plawv ntawm concave.
1.2, folding tawg
Folding cracking yog tsuas yog peb hom mob: ua ntej, cov khoom siv raw rau lub cheeb tsam uas yog ntau dua lossis sib npaug ntawm cov zawj, kev ua haujlwm siab thiab quav; Thib ob, kev Forging txheej txheem ntawm billet hauv nruab nrab hauv nruab nrab ntawm cov nrib pleb, sib tsoo rau hauv qhov tob tob, chim siab thiab muab quav dua; Thib peb, lwm cov txheej txheem tso cai tsim los ntawm cov pob txha ntse ntawm lub tb6 titing nyob rau hauv nruab nrab ntawm kev sib tsoo ntawm kev sib tsoo ntawm kev sib tsoo 1 (b) rau ib lub tc {} lc titanium alloy Billet pom Slant thaum splitting thaum splitting, tig 180℃mus txuas ntxiv saws, thiab tom qab ntawd rub qhov ntev ntawm cov ntawv tso tawm loj.
1.3 Lub Kua Muag
Tearing yog ib hom transverse tawg ntawm titanium alloy billet zos yuav ua rau cov khoom sib tsoo ntawm cov khoom lag luam thiab tsis muaj txiaj ntsig rau kev ua kua muag yog ib qho dhau ntawm cov nyiaj ntau dhau (Ib sab ntau dua 50 hli) lossis hauv qab tus nqi yog tsis txaus, yog ib qho) tsis txaus, los yog rab yaj phom} Ib qho ntxiv, qee cov kauj ruam ncej ko taw, vim tias muaj kev lom zem hauv lub zos, los ntawm kev ua kom ntev tshaj plaws ntawm lub zog
1.4, sab hauv tawg
Kev sib nraus sab hauv feem ntau yog hais txog ib qho ntsiab lus, txuas ntxiv mus nrhiav kev sib txuas ua ke, thiab cov laj thawj ntawm cov khoom sib txuas lus hauv ob pawg: ua ntej, qee cov ntaub ntawv titanium alloy muaj tungsten, molybdenum thiab niobium thiab lwm yam kev sib txawv ntawm cov khoom siv tsis zoo, cov txheej txheem sib txawv, cov txheej txheem discing mus rau hauv qhov chaw tawg; Thib ob, rau qee qhov kev qhia me me (Qasi 90 hli lossis tsawg dua ntawm cov khoom siv kub, yooj yim rau cov ntaub ntawv kom txaus, yooj yim bar sab hauv pob txha morphology, tom qab tshuaj ntsuam xyuas ob kis this .
1.5.} ntev ntev tawg
Ntev nrawm rau kev tawg ntawm titanium alloy billet nrog rau qhov chaw kub siab, thiab muaj qhov kub thiab txias Vim tias kev ntxhov siab yuav kuj tshwm sim . thiab lwm lub aliet} Daim duab sib tsoo ntau ntau zaus, kev sib tsoo hauv cov txheej txheem chim siab nyob rau hauv lub siab ntev kev tawg, Daim duab 4 (b) rau Imi 834 Titanium Alloy bar nyob rau hauv lub rounditudinal backing.
1.6 brittle cracking
Qee qhov nyuaj rau deform qhov ntsuas kub titanium alloy nws tus txheej txheem tsis zoo thiab tsis muaj kev cuam tshuam rau cov txheej txheem ntau dua, yooj yim rau cov txheej txheem ntau dua tsis tsim nyog, qhov ntsuas kub sai dhau, vim muaj cov txheej txheem cua sov, qhov ze ntawm cov txheej txheem cua sov, tom qab kev txheeb xyuas cov txheej txheem cua sov thiab tom qab ua kom cua sov ib yam nkaus Cast . daim duab 5 (b) qhia txog kev ua haujlwm hauv rwb thaiv tsev Lub ingot qhwv hauv rwb thaiv tsev paj rwb thaiv tsev ua ke skilling .
1.7, qhov chaw sab saum toj los ntawm lub cev
Ingot Metallurgical Zoo yog neeg pluag, cov txheej txheem hluav taws xob tsis zoo, lossis cov cua kub}}}}}} Kev tawg pleb (lub thawv hauv daim duab), tom qab tshuaj xyuas cov chaw ua kom zoo nkauj 1020℃yog tsuas yog 1050℃tsuas yog 1050 qhov kub thiab txias, kub lub xeev Cov yas yog cov neeg pluag, ua rau muaj kev tawg loj, thiab tom qab ntawd ua kom sov li 1150℃rov qhib lub billet, cov nraus yog txo qis.
2, Forging tsoo cov yam ntxwv ntawm titanium alloy
2.1 Raug Mob Loj
Titanium alloy nrib pleb yog qhov kev phom sij hnyav, txo qis kev sib tsoo, tab sis kuj ua rau cov khoom lag luam zoo nkauj, tab sis kuj ua rau cov khoom lag luam zoo nkauj {}}} kub ntau ntxiv cov kab nrib pleb tuaj yeem ua rau cov khoom anololescence vim yog qhov tsis muaj peev xwm ua tau raws li cov khoom lag luam loj lossis qhov hnyav.
2.2, congenital
Rau Ti3al, TI2alNB, IMI 834, nrog rau qee cov txheej txheem tshiab, nws tus kheej muaj peev xwm ua tsis tau zoo, nws tus kheej ntau dua los ua qhov tsis zoo, ua rau muaj kev sib cais, ua ntu zus, ua ntu zus, ua kom txias Lwm cov metallurgical tsis xws luag, hauv cov txheej txheem fortuab tom ntej yog nquag rau ntau cov hluav taws tawg thiab nyuaj rau tshem tawm {}}
2.3 nyuaj rau kev kho thiab zom
Titanium alloy nrus nrog cov yam ntxwv nyuaj ② Qhov ntawm cov zaub mov tsis zoo ntawm titanium alloy, vim yog qhov kev sib tsoo ntawm cov kev ntxhov siab hauv zos, Kuv}}}, thaum sib tsoo ntawm cov nras; ③ Qee qhov me me-loj loj titanium alloy rods lossis forging, vim tias qhov hnyav ntawm qhov loj me, sib tsoo tsis yooj yim kom tsau; Kev tawg tawm ntawm qhov kawg ntawm qee qhov ntev dua thiab tsis quav ntsej, uas yuav tsum tau polished ntsug, yog qhov nyuaj ua haujlwm thiab ua rau muaj kev phom sij nyab xeeb; ⑤ Qee yam li cov qhov zoo li cov hniav tsis xwm yeem thiab qhov ntau thiab tsawg, thiab tsis muaj chaw pib nrog kev sib tsoo ntawm cov kab nrib pleb sab hauv.
2.4 Tshuaj Ntsuam Xyuas Yooj Yim
Titanium alloy nrws pleb muaj cov yam ntxwv tshuaj xyuas nyuaj: ① tawg xav tau 100% kev soj ntsuam xav tau 100% kev soj ntsuam Workdoad; ② Cov kab nrib pleb tau me dua ua me, yooj yim yuav tsum tau them los ntawm kev sib tsoo plua plav, tus kuaj xyuas tsis tuaj yeem txiav txim siab nrog lub qhov muag liab qab seb puas yuav tshem tawm kom huv; ③ qee cov duab tsis xwm yeem, cov kab nrib pleb yog qhov nyuaj tshaj los tshuaj xyuas; Cov kab nrib pleb tshwm sim sab hauv lub billet lossis hauv qab daim tawv nqaij, tsis pom rau lub qhov muag liab qab, feem ntau kuaj xyuas cov khoom lag luam lossis kuaj xyuas kom paub thaum nws lig dhau lawm; ⑤ yooj yim txhawm rau txhawm rau txhawm rau sab hauv cov kab nrib pleb vim yog cov duab tsis xwm yeem thiab qhov loj me, cov kab nrib pleb tsis tuaj yeem pom; ⑤ yooj yim txhawm rau txhawm rau txhawm rau sab hauv cov kab nrib pleb vim yog cov duab tsis xwm yeem thiab qhov loj me, cov kab nrib pleb tsis tuaj yeem pom; ⑤ yooj yim txhawm rau tawg sab hauv cov kab nrib pleb vim yog cov kab nrib pleb, cov kab nrib pleb uas tsis tuaj yeem nrhiav tau Billet ua haujlwm nkag mus rau kev ua haujlwm .
3, titanium alloy forging nro kev tiv thaiv thiab tov
Raws li cov saum toj no xya hom titanium alloy crackning cov ntaub ntawv, kom ntseeg tau tias cov khoom siv tsis txaus siab, tswj hwm cov ntsiab lus tseem ceeb, tswj cov ntsiab lus tseem ceeb thiab cov ntsiab lus tseem ceeb thiab tseem ceeb cov ntsiab lus .
3.1 Kev tiv thaiv kawg ntawm lub ntsej muag kawg tawg
Ua ntej, kev siv cov ultrasonic khuam kom paub meej thiab lwm yam kev tshuaj xyuas kom ntseeg tau tias lub he ingot taub hau shrinkage qhov lossis qhov kawg ntawm kev sib cais txias huv si; Thib ob, ua ntej fam nrho cov rauj thaiv tau sau rau hauv lub tuam txhab kev sib tw, muaj kev cuam tshuam nrog kev txo cov billet xaus tawg, cov nyhuv yog qhov tseem ceeb; peb yog qhov thib peb yog qhov ua kom tau them nyiaj ntev ntev, nws yog txwv tsis pub muaj kev tawm tsam nrawm nrawm nrawm, tsis sib xws thiab lwm yam haujlwm; Plaub, rau qee cov tsiaj ua haujlwm nrog cov phaj loj, lub ntsiab lus arc chim siab los ntawm lub plawv thaum kawg ntawm kev ua confe {}}
3.2 Daim Ntawv Folding Tsaus Kev Tiv Thaiv
Ib qho yog tswj hwm cov khoom siv raw titanium alloy Ingot los yog sib npaug rau txoj kev uas lub cheeb tsam ntawm 1}} 8 ~2 {7}} 3; Ob qho yog nruab nrab ntawm cov kev sib tw so ntawm cov zawj thiab cov xaim hluav taws xob sib dhos, nco ntsoov mus kho ntau dua lossis sib npaug rau 10 yog qhov tsim nyog; Peb yog ua kom ntseeg tau tias kev pom, machining cov txheej txheem tsim los ntawm cov kab sib tsoo hauv daim duab thiab cov pob khoom sib tsoo, thiab lwm yam.
3.3 Cov kua muag tiv thaiv
Ua ntej, nrawm forging tshuab kis ib zaug unilateral nyob rau hauv siab tswj 20 ~ 30 hli ntau yuav tsum tsis txhob yoo mov (mus rau 5 ~ 10mm / s tsim nyog); Qhov thib ob, kom ntseeg tau tias txoj hlua ntawm rab rauj caj dab loj dua lossis ua kom paub tseeb tias muaj kev sib tw ua ntej rau 300 ~ 400℃c; Thib peb, rau cov kauj ruam ntawm tus ncej ntawm cov ncej ko taw, ua kom pom kev zoo nkauj, thiab tom qab ntawd nws tau tso quav
3.4, tiv thaiv kev tawg sab hauv
Ua ntej, rau titanium alloy cov ntaub ntawv muaj refractory hlau, kom txo qis ntawm cov txheej txheem sib cais, kom txo qis lossis ua kom txias lossis txias me me; Thib ob, rau me me-loj-loj-loj billet, cov txheej txheem kos duab yuav tsum tau ua kom tiav rov qab rau lub cub tawg,
3.5 Kev tiv thaiv ntawm kev tawg ntev
Ua ntej, Titanium Alloy Billet Teeb duab cov txheej txheem hauv kev rov ua tiav raws sijhawm, txwv tsis pub rov tshwm sim ntawm cov npoo ntse, cov npoo dub; Thib ob, qee qhov ntsuas kub-rhiab titanium alloy forging tom qab cua txias, thiab lwm yam txias txias txoj kev.
3.6 brittittion tiv thaiv
Rau kev nyuaj deformation ntawm high-kub titanium alloy cov ntaub ntawv Forging (lub sijhawm ua kom tawg the process of timely increase cover thermal insulation cotton, minimize the temperature of the billet, to minimize the temperature of the billet. Cotton, minimize the loss of billet temperature, to ensure that always in the process of forging temperature above the final forging temperature, practice shows that the operation can significantly reduce cracking. In addition, this type of titanium alloy heating should be taken 200 ~ 300℃low-temperature furnace, Ntau theem cua kub, qeeb cua sov (50 ~ 100℃/ h), kom ntseeg tau tias qhov ntsuas kub, zam kev ua kom nruj nrog kev sib tsoo; Tus txheej txheem txias yog qeeb thiab hnav khaub ncaws; tawg sib tsoo ua tiav rau cov xim nkag mus rau kev ntsuam xyuas, thiab lwm yam {}}
3.7, kev tiv thaiv saum npoo
Ua ntej, qhov chaw tawg ua los ntawm kev tshawb fawb zoo me me, txhim kho cov txheej txheem cua sov thiab kev zam txim rau cov khoom cua txias txiav txim siab ntau yam kom ntseeg tau tias cov txheej txheem yog qhov zoo .
4.} Xaus
(1) titanium alloy Forging cracking suav nrog kev tawg, luav tawg, ntev} .}, nrog rau ntau yam thiab cov laj thawj pom; Thiab nws yog cov cwj pwm loj heev, kev kho mob, nyuaj rau kev kho thiab zom thiab nyuaj los tshuaj xyuas.
(2) los txo thiab zam titanium alloy forging crushing, kev tiv thaiv kuj yog kev sib tsoo, thiab kev tshuaj ntsuam yog tswj cov kev ntsuas yog qhov ntsuas tau ua tiav .
