| 摘要 |
Gasification feed injectors for injecting fluids into a combustion chamber and methods of modifying the cast surfaces of such injectors are provided. In an embodiment, a feed injector for injecting a fluid into a combustion chamber comprises a nozzle defining an interior flow passage, the nozzle comprising a cast surface modified to have an ASTM grain size number of about 2 to about 9.
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