ASTM Qib 11 Titanium Qws

ASTM Qib 11 Titanium Qws: Cov Txheej Txheem Ua Haujlwm Zoo

‌1. Thermal processing: Solution Annealing & Stress Relief (Per AMS 4928)‌

‌Solution Annealing Cycle‌

‌KubKub: 900-950 ° F (1652-1742 ° F)

‌Tuav Sijhawm: 1-2 teev ib 25 hli (1 nti) ntawm tus ntoo khaub lig-sectional thickness

‌Txias tus nqi‌: ‌Cua txiaslos ntawm annealing kub

‌Lub Hom Phiaj Microstructural: Zoo, niaj hnub + lamellar qauv; tsis pub ua ntej cog qoob loo

‌Lub hom phiaj: Dissolve theem nrab, homogenize microstructure, thiab npaj rau cov khoom siv kho kom zoo

‌Lub voj voog kev ntxhov siab (Post-Machining lossis txias ua haujlwm)‌

‌KubKub: 600-650 ° F (1112-1202 ° F)

‌Tuav Sijhawm: 2-4 hnub

‌Txias tus nqi: Rauv cua txias lossis cua txias

‌Lub hom phiaj: Relieve residual stresses los ntawm machining los yog tsim yam tsis hloov lub + microstructure

✅ ‌Kev tswj hwm qhov tseem ceeb: Txias tus nqi tom qab cov tshuaj annealing yuav tsum yogtxaus ceev​ tiv thaiv -theem nag lossis daus los ntawm matrix. Kev ua kom txias qeeb (piv txwv li, qhov cub cua txias) ua rau cov coarse, brittle colonies thiab degraded qaug zog kev ua tau zoo.

‌2. Thermomechanical Processing: Forging & Rolling‌

‌Txheej txheem Forging‌

‌Thaum tshav kub kub kubKub: 950-980 ° F (1742-1800 ° F)

‌Thaum kawg Forging Kub: Ntau dua lossis sib npaug li 850℃(1562℃F) -Tsis txhob poob qis dua 800 degreekom tsis txhob coj cwj pwm nkig

‌Tag nrho Deformation Ratio: Ntau dua lossis sib npaug li 60% (pom zoo 70-80%) kom ua tiav recrystallization thiab grain refinement

‌Txoj Kev Forge‌: ‌Dawb forginglos yogkaw - tuag forgingsiv hydraulic presses; multi-ntaus, qis- lim- tus nqi nyiam dua

‌Tshaj tawm -Forging Cooling‌: ‌Cua txiasmus rau chav sov - tsis txhob quenching los yog ceev ceev kom tsis txhob tawg

‌Rolling / Extrusion txheej txheem‌

‌Rolling KubKub: 850-920 ° F (1562-1688 ° F)

‌Kev txo qis rau Pass: 15-25% (txo txo ​​ntau dua lossis sib npaug li 70%)

‌Lubrication‌: ‌Graphite{0}} dej emulsion(10–15% solids) - tiv thaiv kev nplaum thiab txo qis oxidation nto

‌Nto Finish Target‌: ‌Ra Tsawg dua lossis sib npaug li 1.6 μm (63 μin)‌ tom qab kawg dhau - ua tiav los ntawm kev tswj cov yob nto tiav thiab daim ntawv thov roj nplua nyeem

‌Tshaj tawm - Rolling: Cua txias rau chav tsev kub; tsis muaj qhov nruab nrab annealing yuav tsum tau yog tias tag nrho deformation tshaj 70%

ASTM Qib 11 Titanium Qws: Cov Txheej Txheem Ua Haujlwm Zoo
1. Thermal processing: Solution Annealing & Stress Relief (Per AMS 4928)
Solution Annealing Cycle
Kub: 900-950 ° C (1652-1742 ° F)
Tuav Sijhawm: 1-2 teev ib 25 hli (1 nti) ntawm tus ntoo khaub lig-sectional thickness
Cooling Rate: Cua txias los ntawm annealing kub
Lub Hom Phiaj Microstructural: Zoo, niaj hnub + lamellar qauv; tsis pub ua ntej cog qoob loo
Lub hom phiaj: Dissolve theem nrab, homogenize microstructure, thiab npaj rau cov khoom siv kho kom zoo
Lub voj voog kev ntxhov siab (Post-Machining lossis Txias Ua Haujlwm).
Kub: 600-650 ° C (1112-1202 ° F)
Lub Sijhawm Teev Taw: 2-4 teev
Cooling Rate: Rauv cua txias lossis cua txias
Lub Hom Phiaj: Tshem tawm cov kev ntxhov siab los ntawm kev ua haujlwm lossis kev tsim yam tsis hloov pauv + microstructure
✅ Kev Tswj Xyuas Tseem Ceeb: Txias tus nqi tom qab cov tshuaj annealing yuav tsum tau ceev txaus los tiv thaiv -theem nag lossis daus los ntawm matrix. Kev ua kom txias qeeb (piv txwv li, qhov cub cua txias) ua rau cov coarse, brittle colonies thiab degraded qaug zog kev ua tau zoo.
2. Thermomechanical Processing: Forging & Rolling
Txheej txheem Forging
Thaum tshav kub kub kub: 950-980 ° (1742-1800 ° F)
Thaum kawg Forging Kub: Ntau dua los yog sib npaug rau 850℃(1562℃F) - Tsis txhob forge qis dua 800℃​ kom tsis txhob muaj kev coj cwj pwm
Tag Nrho Deformation Ratio : Ntau dua lossis sib npaug li 60% (pom zoo 70-80%) kom ua tiav recrystallization thiab grain refinement
Forge Method ​: Dawb forging ​​lossis kaw - tuag forging ​​ siv hydraulic presses; multi-ntaus, qis- lim- tus nqi dhau qhov nyiam
Tshaj tawm -Forging Cooling​: ​ Cua txias rau chav sov - kom tsis txhob quenching lossis ceev txias kom tsis txhob tawg
Rolling / Extrusion txheej txheem
Rolling Kub: 850-920 ° C (1562-1688 ° F)
Kev txo qis ib ntus: 15-25% (kev txo qis ntau dua lossis sib npaug rau 70%)
Lubrication : Graphite- dej emulsion ​​(10–15% solids) - tiv thaiv cov nplaum thiab txo qhov oxidation ntawm qhov chaw
Deg Lub Hom Phiaj: Ra Tsawg dua los yog sib npaug rau 1.6 μm (63 μin) ​ tom qab qhov kawg dhau - ua tiav los ntawm kev tswj cov yob nto tiav thiab daim ntawv thov roj nplua nyeem
Post{0}}Rolling: Cua txias rau chav sov; tsis muaj qhov nruab nrab annealing yuav tsum tau yog tias tag nrho deformation tshaj 70%
⚠️ Cov Lus Cim Tseem Ceeb: Qib 11 yog qhov nkag siab zoo rau kev khaws cov pa oxygen thaum ua haujlwm kub. Tag nrho cov cua sov yuav tsum tshwm sim hauv lub tshuab nqus tsev lossis lub tshuab cua inert kom tswj cov ntsiab lus qis (O Tsawg dua lossis sib npaug li 0.15%).
3. Tsis yog -Kev Ntsuam Xyuas Kev Puas Tsuaj (NDT) & Microstructure Control
Kev kuaj ultrasonic (ASTM E165).
Txoj kev: ​​Dej-kev ntsuas ntsuas nrog 5-10 MHz transducers
Scan Pattern : Tag nrho volumetric scan ntawm pas nrig nto thiab hla -section
Kev lees txais:
Tsis muaj kev cuam tshuam ntau tshaj φ1.5 hli sib npaug tiaj tus- hauv qab qhov (FBH)
Tsis muaj cov cim qhia ntau tshaj 3 mm ntev
Tsis muaj qhov qhia tau hais tias sib npaug rau tus pas nrig
Calibration: Ib ASTM E165 siv cov ntaub ntawv siv nrog FBHs ntawm 1.5 hli, 2.0 hli, thiab 3.0 hli
Grain Size Control (ASTM E112).
Lub hom phiaj Microstructure: ASTM Grain Loj 5-7 ​​(zoo, equiaxed + lamellae)
Tswj txoj kev:
Ua tiav los ntawm kev tswj forging deformation (Ntau dua lossis sib npaug li 60%) ua raws li cua txias
Tsis txhob ncua ntev mus rau 700–850℃(+ theem teb) - ua rau nplej coarsening
Kev ntsuam xyuas: Metallographic npaj (mechanical polishing + electrolytic etching hauv Kroll's reagent), ua raws li cov txheej txheem planimetric lossis cuam tshuam rau ASTM E112
4. Machining & Surface Integrity
Machining Parameters (Tig, Milling, Drilling).
Txiav ceev: 15-25 m / min (50-80 SFM)
Pub tus nqi: 0.1-0.2 mm / rev
Qhov tob ntawm qhov txiav: 0.5-1.5 mm
Cov Khoom Siv: WC-Co (Tungsten Carbide) nrog TiAlN txheej - ​ zam HSS ​ vim hnav sai
Coolant : ​Dej-raws li, siab-siab, qis-viscosity txiav kua- qhov tseem ceeb los tiv thaiv kev ua haujlwm tawv thiab ua tau- nce ntug
Surface Integrity: Khaws Ra Tsawg dua lossis sib npaug li 0.8 μm rau qhov chaw tseem ceeb; zam kev sib tsoo tshwj tsis yog tias tsim nyog - yog hauv av, siv cov aluminium oxide log nrog lub teeb pub los tiv thaiv thermal puas
🔧 Kev Pom Zoo Tseem Ceeb: Qib 11 nthuav tawm cov thermal conductivity tsawg thiab muaj tshuaj lom neeg ua haujlwm siab. Machining tsim cov cua sov hauv zos uas ua rau kev ua hauj lwm hardening thiab nto embrittlement. Cov dej txias tsis tu ncua thiab cov cuab yeej ntse tsis yog - sib tham.
5. Kev soj ntsuam zaum kawg & Traceability
Certification Requirements
Tshuaj Ntsuam Xyuas: ICP-OES ib ASTM E1086 - yuav tsum lees paub Al, Mo, Cr, Fe, O hauv AMS 4928 txwv
Mechanical Test ​: Tensile test (ASTM E8) ntawm 25℃thiab 400℃- yield zog Ntau dua los yog sib npaug rau 580 MPa ntawm 400 degree
Hardness: Rockwell B Tsawg dua lossis sib npaug rau 95
Daim Ntawv Qhia Ultrasonic: Kos npe los ntawm Qib II lossis III NDT tus kws tshaj lij, xa mus rau ASTM E165
Kev Kho Mob Kub Kub: Lub qhov cub kub qhov profile nrog lub sij hawm / kub cov ntaub ntawv (digital traceability yuav tsum tau)
Ntau Traceability
Txhua tus pas nrig yuav tsum yog laser -etched nrog:
QIB 11 • LOT # [Unique ID] • MELT # [Furnace ID] • HNUB [YYYYMMDD]
Ntim: Nqus - kaw, desiccant- ntim, ntoo crate nrog cov av noo ntsuas thiab ​ "Rau AEROSPACE SIV nkaus xwb"​