FIELD: internal-combustion engines. SUBSTANCE: in producing semiconductor component of spark plug, compound composed of copper and chromium oxide is applied to its working surface; semiconductor component is made of chromium oxide and bismuth oxide in the following proportion, mass percent: Cr2O3 - 99.0-99.9; Bi2O3 - 1.0-0.1; component is annealed at 1640-1660 C; annealing cycle takes 8 h; compound containing copper and chromium oxide and applied to working surface of semiconductor component is burned at 1180-1120 C for 10-20 min. EFFECT: facilitated procedure. 2 tbl
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Authors
Dates
1996-06-27—Published
1993-03-01—Filed