| 摘要 |
The forming of an adherent platinum coating on the surface of hard, highly dense refractories by plasma flame spraying thereon an intermediate layer of a refractory oxide selected from the group comprised of zirconia, zircon, alumina, cordierite, mullite, or zirconia-alumina-silica having a particle size between 140 and 200 mesh, and further plasma sraying thereon a substantially 20-100 micron size platinum powder which is densified by heating to temperatures of 1350 DEG -1600 DEG C.
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