Hayness 188 (Alloy 188) ke motsoako oa cobalt-base o nang le matla a matla a mocheso o phahameng le khanyetso e ntle ea oxidation ho 2000 ° F (1093 ° C).Boemo bo phahameng ba chromium hammoho le litlatsetso tse nyane tsa lanthanum li hlahisa sekhahla se tiileng le se sireletsang.Alloy e boetse e na le khanyetso e ntle ea sulfidation le botsitso bo botle ba metallurgical joalokaha bo bontšoa ke ductility ea eona e ntle ka mor'a ho pepesehela nako e telele ho mocheso o phahameng.Ho sebetsa hantle le ho cheseha ho kopane ho etsa hore motsoako o sebelisoe lits'ebetsong tsa turbine tsa khase joalo ka li-combustors, li-flame holders, liner le li-ducts tsa phetoho.
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 | 0.2 0.5 |
Botenya (g/cm3) | Sebaka se qhibilihang (℃) | Matla a khethehileng a mocheso (J/kg·℃) | Coefficient ea ho eketsa mocheso ((21-93℃)/℃ ) | Restivity ea motlakase (Ω·cm) |
9.14 | 1300-1330 | 405 | 11.9×10E-6 | 102×10E-6 |
Hang-hang (bar, kalafo e tloaelehileng e chesang)
Mocheso oa teko ℃ | Matla a tšepe MPa | Ho hlahisa matla (0.2chield point)MPa | Elongation % |
20 | 963 | 446 | 55 |
AMS 5608, AMS 5772,
Bara/Molamu | Mohala | Hlobola/Koala | Leqephe/Letlapa |
AMS 5608 | AMS 5772 |
•Matla le oxidation e hanyetsana le 2000°F
•Ductility e ntle ea kamora botsofali
•E hanana le sulfate deposit hot corrosion
Makotikoti a libaso tsa enjene ea turbine ea khase, litšepe tsa ho fafatsa, li-flame-flame le liner tsa ka morao