| 简介 |
PROBLEM TO BE SOLVED : To provide a thermal-spraying powder suitable for depositing a sprayed coating having the excellent plasma-erosion resistance, and a method for depositing the sprayed coating.
SOLUTION : The thermal-spraying powder contains particles comprising oxides of rare earth elements of any one of the atomic numbers 39, 59-70. The collapse strength of the particles in the thermal-spraying powder is ≥80 MPa, and the ratio of the bulk density to the true specific gravity of the thermal-spraying powder is ≥0.15. The particles in the thermal-spraying powder are preferably granulated and sintered ones, and the average grain diameter of the primary particles constituting the granulated and sintered particles is preferably ≤6 μm. The thermal-spraying powder is preferably used in applications of depositing the sprayed coating by plasma thermal spraying.
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