TECHNOLOGY OF SPARK PLUGS
Keywords:
Spark plug; ignition system; electrodes; iridium; platinum; combustion engine; heat range; ceramic insulator; laser welding; engine performance; automotive technology.Abstract
The article discusses the structure, operating principles, and technological development of spark plugs used in internal combustion engines. It describes the key components of spark plugs, including the ceramic insulator, electrodes, and metal shell, while highlighting the importance of materials such as nickel alloys, platinum, and iridium in improving durability and ignition efficiency. Special attention is given to various types of spark plugs, their thermal characteristics, and modern manufacturing technologies such as laser welding and fine-wire electrode design. The paper emphasizes how advancements in spark plug technology contribute to improved engine performance, fuel economy, and reduced emissions.
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References
Bosch Automotive Handbook. 10th Edition. Wiley, 2018.
NGK Spark Plug Co. Technical Guide to Spark Plug Technology, NGK Publications, 2021.
Duffy, J. Internal Combustion Engine Fundamentals. McGraw-Hill, 2019.
Bosch, R. Gasoline Engine Management: Systems and Components. Springer, 2020.
Champion Spark Plugs. Engineering and Application Manual, 2020.
Heywood, J. Automotive Technology and Fuel Efficiency. MIT Press, 2019.
SAE International. Spark Plug Materials and Performance Standards, SAE Technical Papers, 2017–2022.
