The hardening case depth and hardness curve can be changed by adjusting heating time, heating power and cooling speed during induction hardening.
在感应淬火中，通过改变加热时间、加热功率和冷却速度可以改变淬硬层深度和硬度梯度。
Hardness was decreased after maximum by high temperature heating.
高温加热硬度达最大硬度以后保温硬度降低。
Effects of heating temperatures on the structure and the hardness of amorphous Ni-P alloys with different phosphorus contents hare also been studied.
并测定了加热温度对不同磷含量的非晶镍磷合金的组织结构和硬度的变化规律。
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