The study results about structure of the aginghardening high speed steel have been obtained. This paper is of great importance in developing a new series of tool steels.
Selenium works synergistically with vitamin E to boost antioxidant power and prevent or slow signs of aging and hardening of tissues through oxidation.
硒和维生素E相互协作，提高抗氧化能力防止和减缓老年化，通过氧化作用防止和减缓身体组织老化变硬。
3
AGING: the process of running product through low temperature air draw furnaces for the purpose of relieving stress which was caused in the hardening operation.