Hayness 188 (Alloy 188) bụ cobalt-base alloy na magburu onwe elu-okpomọkụ ike na ezi oxidation iguzogide 2000°F (1093°C).Ọkwa chromium dị elu yana obere mgbakwunye nke lanthanum na-emepụta ọnụ ọgụgụ siri ike na nchebe.Alloy ahụ nwekwara ezigbo nguzogide sulfidation yana ezigbo nkwụsi ike igwe dị ka egosipụtara site na ezigbo ductility ya mgbe ogologo oge ekpughere na okpomọkụ dị elu.Nrụpụta dị mma na weldability jikọtara ọnụ iji mee ka alloy bara uru na ngwa turbine gas dị ka combustors, njide ọkụ, liners na ọwa mgbanwe.
C | Cr | Ni | Fe | W | La | Co | B | Mn | Si |
0.05 0.15 | 20.0 24.0 | 20.0 24.0 | ≦ 3.0 | 13.0 16.0 | 0.02 0.12 | bal | ≦ 0.015 | ≦ 1.25 | 0.20.5 |
Njupụta (g/cm3) | Ebe mgbaze (℃) | Kpọmkwem ike okpomọkụ (J/kg·℃) | Ọnụọgụ mgbasawanye okpomọkụ ((21-93 ℃)/℃) | Eletriki resistivity (Ω·cm) |
9.14 | 1300-1330 | 405 | 11.9 × 10E-6 | 102×10E-6 |
Ngwa ngwa (ụlọ mmanya, ọgwụgwọ ọkụ ahụkarị)
Nwalee okpomọkụ ℃ | Ike ọdụdọ MPa | Mpụta ike (0.2mpụta mkpụrụ) MPa | Ogologo oge % |
20 | 963 | 446 | 55 |
AMS 5608, AMS 5772,
Ogwe/Ogwe | Waya | Eriri / eriri igwe | Mpempe akwụkwọ/efere |
AMS 5608 | AMS 5772 |
•Ike na oxidation na-eguzogide 2000°F
•Ezi ductility mgbe ịka nká
•Na-eguzogide ọgwụ sulfate na-ekpo ọkụ corrosion
Mpempe igwe ọkụ turbine gas, ihe mgbochi mmiri, ihe na-eji ọkụ na ihe mkpuchi ọkụ