【摘要】 以新型高温结构材料——高温陶瓷代替金属制造引擎,是目前国外竞相研究的新课题。本文从提高效率节约能源的角度出发,以氮化硅（Si₃N₄）引擎为例,介绍了其特点、制造方法及国外研制情况。更多还原

【Abstract】 A very popular subject abroad for investigation at present is the substitution of high temperature ceramics—new high temperature structural materials—for metal in the manufacture of engines.Taking the silicon nitride（Si₃N₄）engine as an example,the authors present the outstanding features,manufacturing process and the studies made abroad with respect to its high efficiency and low energy consumption.更多还原