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New materials for high-efficiency engines With the continuous development of the automobile industry,Global trade data enrichment services efficient and environmentally friendly cars have become the goal of pursuit. As the "heart" of the car, the high efficiency of the engine plays a crucial role in the performance of the whole vehicle. In order to improve the efficiency of the engine, the research and development and application of new materials are becoming more and more critical. New materials refer to new, advanced or special properties, which can be used in many fields, including automobile engines. As the core component of the automobile engine, it is necessary to use excellent new materials to meet the efficient operation requirements of the engine. In addition, the development of new materials not only requires its wear resistance, high temperature resistance, resistanceCorrosion and other properties should also have the characteristics of light weight and low cost to meet the operation requirements of the engine in the whole vehicle. First of all, the application field of new materials mainly focuses on several key parts of the engine: cylinder block, cylinder head, crankshaft, connecting rod and valve, etc. For the cylinder block, the new materials mainly use aluminum alloy and magnesium alloy. Compared with the previously commonly used cast iron cylinder blocks, aluminum alloy and magnesium alloy are gradually applied because of their light weight, good heat dissipation, corrosion resistance and other advantages. At the same time, the aluminum alloy cylinder block and internal thread upgrade can effectively enhance the tightness of the engine. For cylinder heads, the application of new materials mainly includes aluminum alloy and titanium alloy. They have the characteristics of high energy storage, good fuel efficiency and high strength, which can reduce unnecessary emissions. For crankshafts and connecting rods, the application direction of new materials is mainly concentrated in carbon fiber composite materials.The use of this material can reduce the external weight of the engine and improve fuel efficiency. Finally, the new material is mainly used in the production of valves, not on radiators or turbochargers. Secondly, the research and development and application of new materials are also very important for the energy saving and environmental protection of the engine. First of all, new materials can reduce the weight of the engine. With the continuous application of new materials, the quality of the engine is effectively controlled within a reasonable range to optimize the weight distribution of the vehicle. Secondly, the new material can reduce the noise and vibration of the engine. The application of new materials such as aluminum alloy reduces the noise and vibration inside and outside the engine, creating a quiet and comfortable environment for the driver. In addition, the new material can improve the durability of the engine. For example, the use of new materials such as ceramics or titanium alloys to produce heat-resistant valves can effectively extend the service life of the engine.Finally, the application of new materials can reduce the environmental pollution of the engine. For example, the use of titanium alloy crankshafts and connecting rods can reduce exhaust emissions and the use of binary catalysts, and reduce Co2 emissions. However, new materials also have their shortcomings. First of all, the research and development and production costs of new materials are relatively high, resulting in generally high prices of new materials, affecting their promotion and use in the market. Secondly, the manufacturing technology and production process of new materials are relatively complex and require a lot of investment, which hinders their application in production practice. Finally, the material characteristics of new materials are not all suitable for the application of automobile engines. It requires a lot of experimental research and application exploration to find more suitable materials. In summary, the high efficiency of automobile engines needs to be constantly explored and improved. The continuous promotion and application of new materials provide new options and solutions for engine operation.Although new materials still face some challenges and limitations, the research and development of new materials has moved towards efficiency and environmental protection, and will continue to lead the development of the engine industry.

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