8000 letoto le li-allyum tse ling tsa aluminium: Sebopeho le Ts'ebetso e tšoanang e bapisoang
HW-A. Liphapang tsa Mantlha ka Moetso oa Alloy le Mekhoa ea ho Matlafatsa
A. Tlhahlobo e Tebileng ea Mekhoa e Metle ea Tlhaho (Ho kenyeletsoa Melao ea ho Laola Litšila)
8000 letoto le lisebelisoa tse ling tsa aluminium li tsoa taolong e nepahetseng ea likarolo tsa alloying le taolo e tiileng ea likarolo tsa litšila.. Li-gradients tsa limaraka tse fapaneng li lumellana le GB/T 3190-2022 Sebopeho sa Lik'hemik'hale tsa Aluminium e Setsoeng le Aluminium Alloys:
- 5000 Letoto la letoto la (Al-Mg Alloys): Magnesium e sebetsa e le ntho ea mantlha ea alloying (Alloy 5052 e na le 2.2%-2.8% Mg; Alloy 5083 e na le 4.0%-4.9% Mg), e tlatsitsoe ke manganese (0.3%-1.0%) le chromium (0.05%-0.25%). Meeli ea ho se hloeke e behiloe ho Fe ≤ 0.4% le Si ≤ 0.25%. E le li-alloys tse matlafatsang tse sa phekoleheng mocheso, ba na le aluminium content ≥ 95%. Matla a matlafatsoa ka ho matlafatsa tharollo e tiileng ka Mg (The 17% Phapang lipakeng tsa radius ea athomo lipakeng tsa Mg le Al e baka ho khopama ha lattice), ha Mn e thibela recrystallization ka ho thollo boundary segregation effect, ho laola boholo ba lijo-thollo ka hare ho 20-50μm.

- 7000 Letoto la letoto la (Al-Zn-Mg-Cu Alloys): Zinc ke ntho ea mantlha e matlafatsang (Alloy 7050 e na le 5.7%-6.7% Zn; Alloy 7075 e na le 5.1%-6.1% Zn), e kopane le koporo (1.2%-2.6%) le magnesium (1.9%-2.9%) ho theha tsamaiso e kopaneng. Meeli ea litšila ke Fe ≤ 0.15% le Si ≤ 0.12%. Ho matlafatsa pula e ka finyelloa ka phekolo ea mocheso (T6: phekolo ea tharollo + botsofali ba maiketsetso; T7451: phekolo ea tharollo + botsofali bo hatileng). η-mohato (MgZn₂) precipitates dispersively ho tswa ho supersaturated solid solution (boholo: 5-15nm), le S-mohato (Al₂CuMg) e laola matla a ho kopanya sefahleho ka Cu, ho nolofalletsa matla a alloy a tensile ho feta 500MPa.

- 8000 Letoto la letoto la (Li-Alloys tse nang le likarolo tse ngata): Limaraka tsa mantlha (E.g., 8011) e na le nickel (0.5%-1.5%), Iron (0.3%-0.8%), le silicon (0.2%-0.6%), athe limaraka tsa maemo a holimo (E.g., 8030) eketsa scandium (0.1%-0.3%) le zirconium (0.05%-0.15%), ka bohloeki ba aluminium bo fihlang 99.7%-99.9%. Matla a finyelloa ka phello ea synergistic ea ho matlafatsa ho hasana ka Al₃Ni (boholo: 20-30nm) le metsoako ea FeSiAl, le ho matlafatsa lijo-thollo e susumetsoa ke Sc (boholo ba lijo-thollo bo hloekisitsoeng ho 10-15μm). Khabareng, Zr e thibela ho falla ha moeli oa lijo-thollo ka ho sekheo sa ho ts'oara, ho ntlafatsa botsitso ba mocheso.
B.Papiso ea Pono ea Mekhoa e Matlafatsang (Ho kenyeletsa le Phase Transformation Kinetics)
| Mofuta oa ho matlafatsa | 5000 Letoto la letoto la (5052/5083) | 7000 Letoto la letoto la (7050/7075) | 8000 Letoto la letoto la (8011/8030) |
| Ho Matlafatsa Phekolo ea Mocheso | Ha e khonehe (ha ho na fensetere ea kinetic bakeng sa sebopeho sa mohato oa precipitate) | T6 bohale: Phekolo ea tharollo ho 470 ℃ bakeng sa 1h + botsofali ho 120 ℃ bakeng sa 24h (η-phase sekgahla sa pula: 85%); T7451 bohale: Phekolo ea tharollo ho 470 ℃ bakeng sa 1h + botsofali bo nyolohile ho 100 ℃ bakeng sa 8h + 150℃ bakeng sa 16h (η’→η phetoho ea mohato) | Mocheso o tlase botsofali bo ka khonehang bakeng sa 8030: Phekolo ea tharollo ho 450 ℃ bakeng sa 1.5h + ho tsofala ho 120 ℃ bakeng sa 8h (Sekhahla sa pula ea Al₃Sc: 70%) |
| Mekhahlelo e Matlafatsang Motheo | Ha ho lipula tse hlakileng (matlafatso ea tšitiso ea letlapa feela) | η-mohato (MgZn₂, sebopeho sa dikubiki se bohareng ba mmele) + S-mohato (Al₂CuMg, sebopeho sa orthorhombic) | Al₃Ni (sebopeho sa dikubiki se shebileng sefahleho) + Al₃Sc (L1₂ sebopeho, mocheso o matla oa ho hanyetsa > 300℃) |
| Mokhoa oa Ntlafatso ea Matla | Sebetsa ka thata (H112 temp: sekhahla sa ho sebetsa se batang 20%-30%, tšubuhlellano ea ho arohana 10¹⁴-10¹⁵m⁻²) | Ho matlafatsa pula (60% tlatsetso) + dislocation ho matlafatsa (30% tlatsetso) + ho matlafatsa moeli oa lijo-thollo (10% tlatsetso) | Ho matlafatsa tharollo e tiileng (25% tlatsetso) + ho matlafatsa lijo-thollo (40% tlatsetso) + ho matlafatsa pula (35% tlatsetso) |
HW-B. Papiso ea Palo ea Li-Parameters tsa Ts'ebetso ea Bohlokoa (Ho kenyeletsoa thepa ea Dynamic Mechanical)
A. Mechanical Property Matrix ea Mephato e Mengata (E tlatselletsoa ka Dynamic Parameters)
| Letšoao la Ts'ebetso | 5052-H112 | 5083-H112 | 7050-T7451 | 7075-T651 | 8011-H18 | 8030-T6 |
| Botenya (g/cm³) | 2.72 | 2.72 | 2.82 | 2.82 | 2.71 | 2.73 |
| Matla a tšepe (MPa) | 175 | 310-350 | 510 | 572 | 380-420 | 450 |
| Kotulo Matla (MPa) | 195 | 211 | 455 | 503 | 350 | 400 |
| Emplation (% , L=50mm) | 12 | 14 | 10 | 11 | 12-16 | 15 |
| Ho thatafala (HB, 500kgf mojaro) | 60 | 65 | 135 | 150 | 105 | 120 |
| Elastic Modulus (GPA) | 70 | 71 | 72 | 73 | 69 | 70 |
| Mokhathala Crack Growth Rate (da/dN, ΔK=20MPa・m¹/²) | 3.2×10⁻⁹m/cycle | 2.8×10⁻⁹m/cycle | 1.5×10⁻⁹m/cycle | 1.2×10⁻⁹m/cycle | 2.1×10⁻⁹m/cycle | 1.8×10⁻⁹m/cycle |
| Nako ea ho hanyetsa ha Letsoai la Letsoai (H, GB / t 10125) | 1000 | 1500 | 500 | 200 | 2000 | 2500 |
| Mohloli oa data: GB / t 228.1-2021 Lisebelisoa tsa tšepe – Teko ea Teko – Karolo 1: Mokhoa oa ho Leka Mocheso o Tletseng; GB / t 6398-2017 Lisebelisoa tsa tšepe – Boikemisetso ba ho Fatigue Crack Growth Rates | – | – | – | – | – | – |
B. Tlhahlobo e Tebileng ea Tšebelisano ea Ts'ebetso
- Weldability le Taolo ea Sekoli (E thehiloe ho AWS D1.2 Standard)
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- 5000 Letoto la letoto la: Ka lebaka la ho ba sieo ha intergranular corrosion sensitivity e bakoang ke Cu, sekhahla sa ho boloka matla a manonyeletso a tjheselitsoeng se fihla 85%-90%. E lumellana le welding ea MIG (ER5356 filler terata, bophara ba 1.2 mm) ka tlhahiso ea mocheso e laoloang ho 15-25kJ / cm. Kalafo ea pele ho weld e hloka ho tlosoa ha alkaline (NaOH concentration 5%-8%, 50℃ bakeng sa 5mins) mmoho le ho hlwekisa ka metjhini ka ho sebedisa 120-180 grit brushes tšepe e sa hloekang ho netefatsa filimi ea oxide (Al₂o₃) botenya ≤ 5μm le porosity ≤ 0.3%.
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- 7000 Letoto la letoto la: Karohano ea zinc-magnesium e fella ka ho kutloelo-bohloko e chesang (HCS) coefficient tsa 0.8-1.2. ER5356 filler terata (e nang le 5% Haeba ho fokotsa mokelikeli mocheso gradient) e a hlokahala, e nang le li-parameter tsa welding tsa MIG: hona joale 180-200A, matla a 22-24V, lebelo la ho tjheseletsa 5-8mm/s, le ho kenya mocheso ≤ 20kJ / cm. Botsofali ba mocheso o tlase oa post-weld ho 120 ℃ bakeng sa 24h boa hlokahala ho khutlisetsa matla a kopaneng ho 75%-80% ea tšepe ea motheo.
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- 8000 Letoto la letoto la: Ho cheseha ho itekanetseng, e lumellana le terata ea ho tlatsa ea ER4043 (e nang le 5% Le). TIG welding e sebelisa khase e sireletsang ea argon (sekhahla sa phallo 15-20L / min bakeng sa lehlakore le ka pele, 8-10L/min bakeng sa lehlakore le ka morao). Taolo ea ho satalla ha Arc e fihlella karo-karolelano ea ho phunyeletsa ea 0.6-0.8, ka porosity ≤ 0.5% le tekanyo ea ho boloka ho hanyetsa ha kutu e kopanetsoeng ≥ 90%.
- Formability and Cost Synergy Analysis
| Alloy letoto | Bonyane Bend Radius (t = botenya ba lakane) | Botebo ba Setempe (mm, Mocheso oa kamore) | Litsenyehelo tsa ho ja (10,000 RMB / TEN) | Life Cycle Cost (Lcc, 10,000 RMB / TEN, 10-potoloho ea selemo) | Shoa Bophelo (10,000 Lipotoloho, ho otlanya ho bata) | Setšoantšo sa ho theha moeli (FLD) Keletso |
| 5000 Letoto la letoto la | 1.5T (H112 temp) | 120 (Alloy 5052) | 2.8-3.2 | 8.6 (ho kenyelletsa le litšenyehelo tsa tlhokomelo 0.8×10⁴ RMB/ton) | 15-20 | FLD 0.25 |
| 7000 Letoto la letoto la | 3T (T6 bohale) | 80 (Alloy 7075) | 4.2-4.8 | 11.2 (ho kenyelletsa litšenyehelo tsa kalafo ea mocheso 1.5×10⁴ RMB/ton) | 8-12 | FLD 0.18 |
| 8000 Letoto la letoto la | 2T (T6 bohale) | 100 (Alloy 8030) | 5.0-5.5 | 9.8 (ho kenyelletsa litšenyehelo tsa kalafo ea holim'a metsi 0.5×10⁴ RMB/ton) | 12-16 | FLD 0.22 |
HW-C. Phapang ea Tšebelisano 'moho le Liphapang tsa Ts'ebeliso ho Mabone a Koloi ea Khoebo
Leano la Tšebelisano-Boemo la A.Component le Litlhoko tsa Tekheniki
| Karolo ea Koloi ea Khoebo | Kreiti ea Alloy e khethiloeng | Litlhoko tsa Botekgeniki tsa Konokono (E ipapisitse le GB/T 34546-2017) | Molemo o Bonolo (khahlano le. Q345 tšepe) | Tšebeliso ea Ts'ebetso (Ho kenyeletsoa Litekanyetso tsa Teko) | Meroalo e Tloaelehileng ea Boemo ba ho sebetsa ka Matla |
| Liphanele tsa 'mele | 5052-H112 | Elongation ≥12%, letsoai spray ho hanyetsa ≥1000h, sekhahla sa ho sotha holimo ≤1.5% | 35% Phokotso ea boima ba boima, 8% phokotso ya tshebediso ya mafura | Ho tsitsipana (shoa ho nepahala IT8) + Ke welding (Boemo ba UT 2 tlhahlobo) | Mojaro o tsitsitseng ≤1.2kN/m², boima ba tšusumetso ≤5kN |
| Frame Longitudinal Beams | 7050-T7451 | Tensile matla ≥500MPa, bophelo ba mokhathala ≥1.2×10⁶km (10⁷ potoloho), ho satalla ho kobeha ≥20kN/mm | 28% Phokotso ea boima ba boima, 5% phokotso ea khanyetso ea ho khanna | Ho fetotsoe (mamello ea boemo ba IT9) + T7451 kalafo ea mocheso (phapang ea boima ≤5HB) | Mojaro o kobehang ≤80kN, boima ba torsion ≤12kN・m |
| Sebopeho sa Tanka | 8030-T6 | Sekhahla sa kutu ea selemo le selemo ≤0.18mm (3.5% Tharollo ea Nacl), matla a kopantsoeng a cheselitsoeng ≥380MPa, boimana ≤1×10⁻⁴Pa・m³/s | 22% Ho fokotseha ha LCC, 50% nako e atolositsoeng ea tlhokomelo | Rolling (mamello ea ho pota-pota ≤0.5%) + khohlano hlohlelletsa welding (Boemo ba RT 2 tlhahlobo) | Khatello ea ka hare e boima ≤0.8MPa, boima ba ho thothomela ≤2g |
| Likopano tsa Mabili | 5083-H112/8011 | Ho thatafala ≥65HB, phoso ea tekanyo e matla ≤5g, radial runout ≤0.15mm | 18% ho fokotseha ha motsotso oa inertia, 3% sebaka se sekgutshwane sa ho qhoma | Ho qapa (forging ratio ≥3) + Phekolo ea botsofali (metallographic sebopeho sehlopheng ≥Kereiti 2) | Radial load ≤15kN, boima ba tšusumetso ≤30kN |
B. Maemo a Tloaelehileng a Kopo
- Maxus EV30 Motlakase o Hloekileng oa Koloi ea 'mele
Sebopeho sa lebasetere sa maqephe a 5052-H112 a aluminium (botenya 1.5-2.0mm) 'me litlaleho tsa 6061-T6 li amoheloa, e kopantsoe ka aluminium seam welding (lebelo la ho tjheseletsa 1.2m/min, ho kenya mocheso 18kJ/cm) le FDS (Phallo Drill Screw) thekenoloji (torque e tiisang 25-30N ・ m, matla a kopane ≥3kN). Liteko tsa ho thulana ha koloi li netefatsa hore boima ba 'mele bo fihla ho 28kN ・ m/rad (12% e phahameng hofeta meaho ya tshepe), boima ba 'mele bo fokotsehile ho tloha ho 1850kg ho isa ho 1073kg (41.9% Phokotso ea boima ba boima), NEDC e nyoloha ho tloha ho 280km ho isa ho 350km (25% nyollelo), mme tshebediso ya matla a 100km e fokotsehile ho tloha ho 14kWh ho ya ho 11.5kWh (17.9% phokotso).

- Rene Hoo TH7 Ha Bokalo Truck Frame
7050-Lifaele tsa T7451 tse fetisitsoeng (karolo ea sefapano 200×80×6mm, bolelele ba 12000mm) nka sebaka sa tšepe ea Q345 (botenya 8mm). Ka mor'a tlhahlobo ea spray ea letsoai (GB / t 10125, 500H), sekhahla sa kutu ea bokaholimo ke ≤3%. Liteko tsa Batšehali (Khatello ea Kelello R = 0.1, Frequency 3HZ) ha e bontše ho robeha ka mor'a metsotsoana e 10⁷ (mokhathala matla 320MPa). Boima ba kopano ea foreimi bo fokotsehile ho tloha ho 520kg ho isa ho 375kg (27.9% Phokotso ea boima ba boima). E na le enjene ea 440hp, 100km tshebediso ya mafura a fokotseha ho tloha 38L ho 35L (7.9% phokotso) tlasa moroalo o tletseng (49 Lithane), 'me bophelo ba tšebeletso ea foreimi bo tloha ho 8×10⁵km ho isa ho 1.2×10⁶km (50% nyollelo).
- CIMC Reefer 8 × 4 Chemical Tanker Tank
8030-Lipampiri tsa aluminium tsa T6 (botenya 6mm, bophara ba 2400mm) li sebelisetsoa ho roala le ho tjheseletsa. Li-parameter tsa welding tsa friction: lebelo la ho potoloha 1200r / min, lebelo la tjheseletsa 500mm/min, khatello ea mahetla 30kN. Liteko tsa ho qoelisoa ka hare 30% Tharollo ea NaCl e bonts'a sekhahla sa kutu ea selemo se fokotseha ho tloha ho 0.32mm (Alloy 5083) ho 0.18 mm (43.8% phokotso). Teko ea ho tiea ha tanka (0.8Khatello ea moea ea MPa, 30khatello ea min ho tšoara) e bonts'a ho theoha ha khatello ≤0.02MPa. Boima ba tanka bo fokotsehile ho tloha ho 1850kg ho isa ho 1320kg (28.6% Phokotso ea boima ba boima), bophelo ba tšebeletso bo tloha ho 8 lilemo ho 13 lilemo (62.5% nyollelo). Le hoja litšenyehelo tsa pele li eketseha ka 12,000 RMB, molemo oa potoloho ea bophelo ba lilemo tse 13 o eketseha ka 86,000 RMB (ho kenyelletsa 65,000 RMB polokelong ea tlhokomelo le 21,000 RMB ho boloka mafura).
HW-D. Litharollo tsa Ts'ebetso le Mekhoa ea Teknoloji
A. Mathata le Mehato ea Bohlokoa ea Ts'ebetso
- Taolo ea sekoli ea Welding
| Mofuta oa Sekoli | 5000 Letoto la Litharollo (E Thehiloe ho Numerical Simulation) | 7000 Letoto la Litharollo (Multi-physics Coupling Analysis) | 8000 Letoto la Litharollo (Microstructure Prediction) |
| Filimi ea oxide | Pre-weld degreasing ka tharollo ea NaOH (5%-8%, 50℃ bakeng sa 5mins) + ho hloekisa ka mochini ka borashe ba tšepe e sa hloekang ea 120-grit. Ketsiso e FLUENT ea netefatsa: holim'a tsitsipano coefficient e fokotsa ho tloha 0.8N / m ho 0.6N / m, sekhahla sa ho tlosoa ha filimi ea oxide ≥98% | AC TIG tjheseletsa (maqhubu a 100Hz) bakeng sa ho hloekisa cathodic + tšireletso ea argon e ka morao (sekhahla sa phallo 8-10L / min). Ketsiso ya SYSWED: sebaka se anngoeng ke mocheso (Haz) bophara e laoloa ka 3-5mm, intergranular corrosion botebo ≤0.1mm | Ho sila ka mechine (180-240 grit sandpaper) + khase e sireletsang e tsoakiloeng (Ar:Yena=7:3). Ketsiso ea Thermo-Calc: sekgahla sa ho tiisa letamo le qhibilihisitsoeng le eketsehile ka 20%, Al₃Ni phase precipitation uniformity e ntlafalitsoe ke 30% |
| Hot Cracking | Ha ho hlokahale phekolo e khethehileng (HCS coefficient <0.6). Kenyelletso ea mocheso oa MIG e laoloang ho 15-25kJ / cm. Ketsiso ea Marc: solidification mocheso mefuta e fapaneng ≤50 ℃, cracking sensitivity index ≤0.2 | ER5356 filler terata (5% Le) + segmental welding (interpass mocheso ≤100 ℃). ABAQUS ketsiso: tlhoro ea khatello ea maikutlo e fokotsehile ho tloha ho 350MPa ho isa ho 280MPa, sekhahla sa ho petsoha se chesang <0.5% | Kenyelletso ea mocheso e laoloang ≤15kJ/cm (hona joale 160-180A, matla a 20-22V). Ketsiso ea JMatPro: mocheso oa metsi o eketsehile ka 5 ℃, sebaka se tiileng se nang le metsi se tshesane ka ho 10%, sekhahla sa ho petsoha se chesang <1% |
| Ho nolofatsa | Lebelo la welding ≥8mm/s. ANSYS ketsiso: Bophara ba libaka tse nolofatsang tsa HAZ bo laoloa ho 2-3mm, tahlehelo ea boima ≤15% | Botsofali ba mocheso o tlase oa post-weld ho 120 ℃ bakeng sa 24h. Tlhahlobo ea DSC: η'-phase precipitation chelete e khutliselitsoeng ho 90% ya boemo ba pele botsofadi, sekhahla sa ho hlaphoheloa ha matla a kopaneng ≥80% | Hona joale welding ≤180A. Tlhahlobo ea data ea tšimoloho: Sekhahla sa kholo ea lijo-thollo tsa HAZ ≤15%, sekhahla sa ho boloka boima ≥85% |
- Ntlafatso ea Ts'ebetso ea ho theha
- 5000 Letoto la letoto la: Mokhoa o mofuthu oa ho hatakela (150℃, khatello ea nako ea ho tšoara 10s) e amohetsoe. Litsela tsa litempe li ntlafatsoa ka Dynaform simulation, ho eketsa sekhahla sa FLD ho tloha 0.22 ho 0.25, e nang le sekhahla sa thuto ea maemo a rarahaneng a kobehileng (curvature radius ≤50mm) fihlang 98%. Li-sensor tsa mocheso oa infrared (ho nepahala ±2℃) hlokomela mocheso oa pampiri ka nako ea nnete ho netefatsa ho fetoha ha mocheso ≤5 ℃.
- 7000 Letoto la letoto la: Ho etsa mohato ka mohato (2-3 feta) + annealing e mahareng (340℃ bakeng sa 1h, sekhahla sa ho pholisa 5℃/min) e sebelisoa. Kabo ea khatello ea maikutlo e etsisoa ka AutoForm, ho fokotsa khatello ea kelello e setseng ka mor'a ho theha ho tloha 300MPa ho ea ho 150MPa le ho khutlela ho ≤1.5 °. Likhatiso tsa servo (nako ea ho arabela 10ms) etsa hore taolo ea khatello e koetsoeng, ho fihlella ho nepahala ha sehlopha sa IT10.
- 8000 Letoto la letoto la: Tokiso ea litaba tsa Nickel (0.8%-1.2%) e fokotsa ho fetoha ha matla a lihlahisoa (≤5MPa). Hydroforming (khatello ea 20-30MPa) e sebelisoa, 'me kabo ea botenya ba lebota e etsisoa ka LS-DYNA, ho laola ho kheloha bonyane botenya ba lebota ≤0.1mm. The bend radius e fokotsehile ho tloha ho 2.5t ho ea ho 2t (20% phokotso), e nang le bokaholimo ba Ra ≤1.6μm ka mor'a ho kobeha.
B. Mekhoa ea ntlafatso ea lintho tse bonahalang
- Tshebetso e phahameng 8000 Letoto la letoto la
Ka micro-alloying e nang le likarolo tse ngata tse nang le scandium (Sc), zirconium (Zr), le yttrium (Y), tse sa tsoa ntlafatsoa 8035 Keletso (Sc:0.2%-0.3%, Zr:0.1%-0.15%, Y:0.05%-0.1%) e fumana matla a tensile a fetang 500MPa ha a ntse a boloka 16% emplation. Sekhahla sa kholo ea mokhathala oa eona (da/dN) e fokotseha ho isa ho 1.2×10⁻⁹m/cycle (33.3% phokotso bapisoa le 8030). Tlhahiso ea lisebelisoa tsa laser (SLM) e thusa ho theha meaho e rarahaneng e nang le boima ba khatiso ≥99.5%. Ts'ebeliso e kholo ea liforeimi tsa likoloi tsa khoebo le lits'ebetso tsa ho emisa e lebelletsoe ka 2026 (theko shebiloeng: 45,000 RMB / TEN).
- Ntlafatso ea ho hanyetsa Corrosion ea 7000 Letoto la letoto la
Micro-arc oxidation (MAO) e sebelisetsoa ho lokisa liphahlo tse entsoeng ka letsopa tsa Al₂O₃-TiO₂ holim'a 7075-T6. (botenya 10-15μm, boimana ≥800HV), ho eketsa nako ea ho hanyetsa ha letsoai ho tloha ho 500h ho isa ho 1500h (200% nyollelo) ka barbotage adhesion ≥50MPa. E kopantsoe le ho beoa ha mouoane oa lik'hemik'hale ka plasma (PACVD), seaparo sa SiC (botenya 2-3μm) e bopiloeng holim'a ho roala, ho ntlafatsa ka ho eketsehileng ho hanyetsa ho apara (khohlano coefficient fokotswa ho tloha 0.6 ho 0.3). Kopo ea likoloi tsa khoebo tse boima haholo libakeng tse lebōpong la leoatle (E.g., literekere tse koung) e khoneha ka 2025.
- Ntlafatso ea Litšenyehelo tsa 5000 Letoto la letoto la
The ho lelekisa ho leleka le ho roka (CCR) tshebetso nka sebaka sa setso ingot chesang rolling, ho khutsufatsa potoloho ea tlhahiso ho tloha 15 matsatsi ho 2 matsatsi (86.7% phokotso) le ho fokotsa tšebeliso ea matla ka ho 30% (ho tloha ho 500kWh/ton ho ya ho 350kWh/ton). Taolo e nepahetseng ea litaba tsa magnesium (4.0%-4.5%) e tiisa matla a tensile ≥310MPa ha e ntse e fokotsa litšenyehelo tsa thepa e tala ka 12% (ho tloha 32,000 RMB/ton ho 28,000 RMB / TEN). Kopo ea bongata ka liphanele tsa 'mele tsa likoloi tsa khoebo tsa moruo (E.g., literaka tsa kabo ea litoropo) e lebelletsoeng ke 2024.

