A hot topic in contemporary materials science is the use of ceramics to build engines. Not long ago, the United States installed ceramic engines on tanks and conducted the following tests: On the starting line 200 meters away from the exercise ground, there were two tanks parked. One was equipped with a 500-horsepower steel diesel engine, and the other was equipped with a There is a ceramic engine with the same horsepower. Surprisingly, after the steel engine tank was fully warmed up, it took 26 seconds to reach the finish line, while the ceramic engine tank only took 19 seconds. Obviously, the ceramic engine tank is not only 7 seconds faster than the steel engine tank, but also does not need to be warmed up.
So far, China, the United States and Japan have installed ceramic engines on buses and conducted long-distance actual vehicle tests. Because ceramics can withstand very high temperatures, engines made with them do not require a cooling water supply system, thus greatly reducing the size and weight of the engine. The biggest advantage of ceramic engines is that the thermal efficiency of the engine can reach about 50%. Using the same amount of fuel, the car can run 30% longer. Therefore, ceramic engines are also called energy-saving engines.