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汉语拼音：rè zhàng

飞行器作超声速或高超声速飞行时，因高速气流引起表面加热而产生的影响飞行器的不良现象。如结构强度和刚度降低、结构应力和应变增大、金属蒙皮熔化或烧毁、乘员和飞行器内设备不能正常工作等。可采用耐热材料、加装隔热设备、安装冷却系统等防热措施。

• Ceramic thermal barrier coatings ( TBCs ) have been increasingly used to extend the durability of aircraftturbine engine.

  陶瓷热障涂层用于涡轮发动机的热端部件可显著提高其使用温度,延长部件的使用寿命,并提高发动机的效率.

• A large quantity of zirconia powder is used for plasm spraying to prepare thermal barrier coatings.

  氧化锆粉末大量用于等离子喷涂以制备热障涂层材料.

• The practice showed the blast temperature was increased by 15.8 ℃ by use of such coating.

  新型风口的试用表明,热障涂层可减少风口处的热量损失,使得实际入炉的热风温度升高15.8℃.

• A typical thermal barrier coatings system consists of an bondporous thermally - insulating ceramic coat ing.

  因此如何增强涂层系统层间界面的结合强度成为延长热障涂层使用寿命的关键问题.

• This paper discusses the performance and the application of the zirconia thermal barrier coating.

  文中介绍了氧化锆基热障涂层材料的性能及应用.