subcooling austenite

例句：

1. 1.The steel is subcooled by the cooling water.
   钢被冷却水过冷。
2. 2. Subcooling can cause a decrease in the strength of the material.
   过冷会导致材料强度的降低。
3. 3.During the manufacturing process, the steel is often subcooled to improve its properties.
   在制造过程中，钢材经常被过冷以提高其性能。