Hayness 188 (Alloy 188) wani cobalt-base alloy ne mai kyau high-zazzabi ƙarfi da kuma mai kyau hadawan abu da iskar shaka juriya zuwa 2000 ° F (1093 ° C).Babban matakin chromium haɗe tare da ƙananan ƙari na lanthanum suna samar da ma'auni mai ƙarfi da kariya.Har ila yau, gami yana da kyakkyawan juriya na sulfidation da kyakkyawan kwanciyar hankali na ƙarfe kamar yadda aka nuna ta kyakkyawar ductility ɗin sa bayan tsawan lokaci mai tsawo zuwa yanayin zafi mai tsayi.Kyakkyawan ƙirƙira da walƙiya suna haɗuwa don yin gami da amfani a aikace-aikacen injin injin gas kamar combustors, masu riƙe harshen wuta, layin layi da bututun canji.
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 |
Yawan yawa (g/cm3) | Wurin narkewa (℃) | Ƙaƙƙarfan ƙarfin zafi (J/kg·℃) | Ƙididdigar faɗaɗawar thermal ((21-93 ℃)/ ) | Electric resistivity (Ω · cm) |
9.14 | 1300-1330 | 405 | 11.9×10E-6 | 102×10E-6 |
Nan take (bar, maganin zafi na yau da kullun)
Gwajin zafin jiki ℃ | Ƙarfin ƙarfi MPa | Ƙarfin bayarwa (0.2 ma'auni) MPa | Tsawaitawa % |
20 | 963 | 446 | 55 |
AMS 5608, AMS 5772,
Bar/Rod | Waya | Tattara / Nada | Shet/Plate |
Farashin 5608 | Farashin 5772 |
•Ƙarfi da oxidation mai jurewa zuwa 2000 ° F
•Good post-tsufa ductility
•Resistance zuwa sulfate ajiya zafi lalata
Gwangwani na injin injin injin iskar gas, sandunan feshi, masu riƙe da wuta da layin bayan wuta