发电锅炉材料与防护涂层的磨蚀机制与研究展望
张世宏, 胡凯, 刘侠, 杨阳

Corrosion-Erosion Mechanism and Research Prospect of Bare Materials and Protective Coatings for Power Generation Boiler
ZHANG Shihong, HU Kai, LIU Xia, YANG Yang
表8 不同热喷涂涂层冲蚀磨损率比较[146~153]
Table 8 Comparison of erosion wear rates for different thermal spray coatings[146-153]
CoatingSubstrateCoatingTestCycleErodentImpactThickness loss (mm) /
timeangleVolume loss (mm3) /
preparationtemperaturematerial
min(o)Weight loss (mg) /
processoC
Erosion wear rate
CoatingSubstrate
NiCrBSi-Al2O3[146]304 s.s.PS45010Al2O3303.4 × 10-58.5 × 10-5
Cr2C3-NiCrCarbon steelHVAFRoom10Al2O3300.69 mm3-
Cr2C3-FeCrtemperature0.68 mm3-
Cr2C3-WC-MA[147]0.52 mm3-
NiCrAlY[148]Superni 75PS54060000Actual coal-

0.46 mm

0.46 mm

0.40 mm

0.49 mm

-
Superni 600fired boiler--
Superni 718--
Superfer 800--
Cr2C3-25NiCr304 s.s.HVOF40060Al2O33039 mg-
WC-10Co4Cr[149]51 mg
WC-CoT12D-gun4005Al2O3302.5 × 10-55.0 × 10-5
Stellite 62.5 × 10-5
Stellite 21[150]2.4 × 10-5
Ni-20CrSA 516Cold spray70090000Actual coal-0.21 mm0.50 mm
Ni-20Cr-TiCfired boiler0.12 mm
Ni-20Cr-TiC-Re[151]0.11 mm
Ni-20CrT22Arc spray75090000Actual coal-0.06 mm0.51 mm
Ni-5Al[152]fired boiler0.16 mm
Al2O3-3TiO2[153]T11D-gun70090000Actual coal-0.25 mm2.08 mm
T22fired boiler0.23 mm1.71 mm