过热

在物理学中，过热（又称沸腾延迟）是指液体被加热到沸点以上的温度而不沸腾的现象。在干净的容器中加热同相物质会出现过热现象，同时要避免成核现象的出现。需注意的是加热时要避免搅动液体，否则不会出现过热现象。

参见

• 高压釜
• 暴沸
• 临界点 (热力学)
• 过冷
• 过饱和

外部链接

• Video of superheated water in a microwave explosively flash boiling, why it happens, and why it's dangerous.
• A series of superheated water with oil film experiments done in the microwave by Louis A. Bloomfield, physics professor at the University of Virginia. Experiment #13 proceeds with surprising violence.
• Video of superheated water in a pot.