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AssigneeNational Institute for Materials Science
InventorsJin Kawakita, Seiji Kuroda
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A coating method of the invention is characterized by using particles each being an aggregate comprising particles far smaller than that, and heating them at a temperature lower than the melting point and blowing and depositing the same to an object to be treated at a supersonic velocity. The warm spray of the invention is characterized in that standard particles and addition particles with a particle diameter larger than that are mixed so that the K-value determined by the following relation is 1 or more and 2 or less: K=A×(B/C)×D, A: mass % of the content of additive particles, B: center particle diameter of standard particle (μm), C: center particle diameter of additive particle (μm), D: (maximum particle diameter−minimum particle diameter) of additive particle/10 (μm). The invention intends to deposit micro oxide crystals without using an adhesive or the like, with no alteration to the function thereof, and also attain a dense layer with no substantial voids.
1-14. (canceled)
A warm spray coating method of heating particles and blowing and depositing them at a supersonic velocity to an object to be treated, characterized in that the particle is an aggregate comprising microcrystals with a particle diameter smaller than that of the particles and heated to a temperature lower than the phase transition temperature thereof and blown at a supersonic velocity to an object to be treated.
A particle for warm spray coating heated to a temperature lower than the phase transition temperature and blown and deposited to the surface of an object to be treated at a supersonic velocity by a warm spray coating method, characterized in that the fine particle is an aggregate of microcrystals with a smaller particle diameter than that.
A warm spray coating method of heating particles to lower than the melting temperature and blowing and depositing them at a supersonic velocity to the surface of an object to be treated, characterized by using, as the particle, a standard particle and an additive particle with a particle diameter larger than that and they are mixed such that the K value determined by the following relation is 1 or more and 2 or less:
The particle for warm spray coating heated at a temperature lower than the melting point and blown and deposited at a supersonic velocity to the surface of an object to be treated by a warm spray coating method, characterized in that a standard particle and an additive particle having a particle diameter larger than that are mixed such that the K value determined in accordance with the following relation is 1 or more and 2 or less:
Dependencies are inferred from the claim text.