ELECTRODE MATERIAL, SPARK-PLUG ELECTRODE, AND SPARK PLUG
An electrode material contains, on a mass percent basis, Al: 0.005% to 0.2%, Si: 0.2% to 1.6%, Cr: 0.05% to 1.0%, Ti: 0.05% to 0.5%, and Y: 0.2% to 1.0%. The remainder are Ni and inevitable impurities. The Si/Cr mass ratio is 1 or more. Because of the inclusion of specific amounts of Al, Si, Cr, and...
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| creator | YAMAZAKI KAZUO TOKUDA TAKESHI TOMITA SHIN NISHIKAWA TAICHIRO SAKUTA MASAO OTA HAJIME TAKAKI YOSHIYUKI |
| description | An electrode material contains, on a mass percent basis, Al: 0.005% to 0.2%, Si: 0.2% to 1.6%, Cr: 0.05% to 1.0%, Ti: 0.05% to 0.5%, and Y: 0.2% to 1.0%. The remainder are Ni and inevitable impurities. The Si/Cr mass ratio is 1 or more. Because of the inclusion of specific amounts of Al, Si, Cr, and Y and the Si content higher than the Al content, the electrode material has an oxidation inhibiting effect. The inclusion of the specific amount of Ti can reduce the occurrence of expansion and cracking of the oxide film. Because of the inclusion of the specific amount of Y, the oxide film can maintain the microstructure even at high temperatures and have high resistance to high-temperature oxidation. Having a Si/Cr ratio of 1 or more, the oxide film has improved corrosion resistance and is resistant to corrosion by corrosive liquids. |
| format | Patent |
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The remainder are Ni and inevitable impurities. The Si/Cr mass ratio is 1 or more. Because of the inclusion of specific amounts of Al, Si, Cr, and Y and the Si content higher than the Al content, the electrode material has an oxidation inhibiting effect. The inclusion of the specific amount of Ti can reduce the occurrence of expansion and cracking of the oxide film. Because of the inclusion of the specific amount of Y, the oxide film can maintain the microstructure even at high temperatures and have high resistance to high-temperature oxidation. 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The remainder are Ni and inevitable impurities. The Si/Cr mass ratio is 1 or more. Because of the inclusion of specific amounts of Al, Si, Cr, and Y and the Si content higher than the Al content, the electrode material has an oxidation inhibiting effect. The inclusion of the specific amount of Ti can reduce the occurrence of expansion and cracking of the oxide film. Because of the inclusion of the specific amount of Y, the oxide film can maintain the microstructure even at high temperatures and have high resistance to high-temperature oxidation. 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The remainder are Ni and inevitable impurities. The Si/Cr mass ratio is 1 or more. Because of the inclusion of specific amounts of Al, Si, Cr, and Y and the Si content higher than the Al content, the electrode material has an oxidation inhibiting effect. The inclusion of the specific amount of Ti can reduce the occurrence of expansion and cracking of the oxide film. Because of the inclusion of the specific amount of Y, the oxide film can maintain the microstructure even at high temperatures and have high resistance to high-temperature oxidation. Having a Si/Cr ratio of 1 or more, the oxide film has improved corrosion resistance and is resistant to corrosion by corrosive liquids.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS BASIC ELECTRIC ELEMENTS BLASTING CHEMISTRY COMBUSTION ENGINES CORONA DEVICES ELECTRICITY FERROUS OR NON-FERROUS ALLOYS GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES LIGHTING MECHANICAL ENGINEERING METALLURGY OVERVOLTAGE ARRESTERS USING SPARK GAPS SPARK GAPS SPARKING PLUGS TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS |
| title | ELECTRODE MATERIAL, SPARK-PLUG ELECTRODE, AND SPARK PLUG |
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