Phekolo ea mocheso e laoloa ke metalo ea ts'ebetso e amanang le ho ikopanya le batho (L10 Tekanyetso ea Mathata (LBS Ho hlahisoa ha sejoale-joale ho hloka La 3 ° C Taolo ea mocheso mme Ts'ebetso ea likotlo CPK01.33. Tatellano ea mantlha: Ho ts'oaroa ha liketsahalo → Qoba pele - mocheso o tlase oa mocheso.
1.Spheroid annearing
Sepheo: Tlosa Libuka tsa Carbide (≤ 2), theha li-gamogeneus spheroitized ≥90%, bophara 09-207 HB. Protocol ea mehato e 'meli:
- Mothati oa 1: 790 ± 10 2,lh Austenitization (Tefo ea Tefo ea Carbide)
- Mothati oa 2: 710 ± 10 ° C × 4-6h butle butle (≤20 ° C / h) ho 650 ° C, sesupo se laoloange thibela pula ea carbiti ea carse
Paramente e Tebileng: Boholo ba boroko 7-8 (Astm e112)
Ts'ebetso ea 2.Qenching
Letsoai bath (bal₂: kcl₂:
- GR15 STEEL: 845 ± 3 5 ° C
- Li-kintics tse futhumatsang: 800 → 500 ° C
- Target: Cryptocrystalline Matt8.02mm) + e bolokiloeng ea Austenite (<5%)
3.lo-ikhohomosang mocheso
150-180 ° C × 2 2-4h (± 3 ° C) ho Phetoho e qobelloang:
- ε₂.Toc hodima ho Mameste ea MattStante, Harmannit 61-65 HRC
- Ho bolaoa austenite:> 80% (xrd e netefalitsoe)
- Mohlala oa liphallelo: σ_Rodical = σ_Initial
Mekhoa ea Litoro tsa 4S phapanyetsano
- Austecising: 230 ± 10 ° C0 × 2h → Bainite banite (58-62 HRC, KCVB50J / cm².
- Cryo e tebileng: -70 ° C × 2h
- Laser a hapile: 1064nm wavength o phelela botebo ba 0,3mmm Case, ↑ 40%
Kholiseho ea netefatso ea boleng:
| Paramente | Mokhoa | Moeli oa kamohelo |
| Khokahano ea Carbide | Iso 5949 Metal Londigraphy | ≤ 2 (1000x) |
| Khopo e bolokiloeng | Tlhahlobo ea XD PASE | ≤3 vol% |
| Metsoako e tsitsitseng | 120 ° C × 24h a tsofala | Δd≤0.003% D |
Nako ea poso: Mots'eanong-30-2025
