摘要
对TYL水溶性淬火介质老化性能进行测定，获得了该介质的抗老化能力强，化学稳定性高，成分变化小，冷却性能稳定，成本较低。
Through testing the ageing performance of TYL water-soluble quenching medium, we know that the medium has a strong anti-ageing capacity, stable chemical property,small composition change, stable cooling property, and low cost.
