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利用Formastor—Digital全自动相变测量仪,测定了S7钢退火用的TTT曲线,研究了合金元素、奥氏体化温度对TTT曲线的影响,为S7钢的软化退火提供了依据。
The Formastor-Digital automatic phase change measuring instrument was used to measure the TTT curve of S7 steel. The effects of alloying elements and austenitizing temperature on TTT curve were studied, which provided the basis for the softening annealing of S7 steel.