The manufacturers generally choose precious and viable metals to work as the ground electrode and central electrode of a spark plug. Due to that situation, these metals overheat and cause malfunction, compromising the performance of the spark plugs. Although some metals are known to be good conductors, the issue lies within the overheating tendency of these elements. This is the most crucial phase as this is where the ignition process is started.įor the same reason, we can use any kind of metal (hypothetically) as a spark plug that conducts electricity. The main task of metal in a spark plug is to gather the electric energy using the spark plug so that it can create a spark whilst moving across the electrode gap. These little spark plugs use less voltage to produce the required flow of electricity in the combustion chamber. Lately, the central electrodes are also getting smaller in size. A small space between the tip of the central electrode and the ground electrode is known as the electrode gap. Iridium or a platinum tip can exist on the central electrode to drive the performance. The other one is called the ground electrode and it is also made of copper. However, copper is also soft and the melting point is low. Thanks to its excellent physical properties of adequate electric conduction and quick heat transmission, copper is the metal of choice. The central electrode features a copper core formation. On the other hand, spark plugs seem rather simple when it comes to operations as they need a large amount of energy which is later converted into immense work.Īlmost every spark plug comes with two electrodes – one located at the skirt and the other at the center. Researchers in the automotive industry are endlessly working to make spark plugs even smaller in size so they can comfortably sit inside a combustion chamber. The significance of spark plugs lies in making the layout of a vehicle simpler. Pros and Cons Structural Formation Of The Average Spark Plug.But before that, let’s know a bit more about spark plugs. We will discuss platinum vs iridium spark plugs and how the difference between them affects your vehicle. In order to increase performance, the electrode might come with an iridium or a platinum tip, based on the kind of plug. The copper section of the spark plug is generally shielded with a nickel alloy due to its low melting point and softness. In addition, it offers decent heat transferability. It fares better than other types of materials used to make plugs. The majority of the spark plugs come with a copper-core center electrode fitting – a great conductor of electricity. Platinum vs iridium spark plugs is a major topic of debate between automobile manufacturers. The performance and efficiency of the engine are partially dependent on the type of spark plug you choose. Spark plugs play a crucial role in the combustion process, allowing the engine of the vehicle to start and function correctly.
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