The spherical particles and spray for spraying member

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PROBLEM TO BE SOLVED : To provide spherical particles for thermal spraying which have satisfactory fracture strength and free from the disintegration in flame (plasma) at the time of thermal spraying. SOLUTION : The spherical particle for thermal spraying is made of an rare earth-containing compound (always including yttrium) and has >=10 MPa fracture strength and 10 to 80 μm average particle diameter.