配制了以稀土元素为主的可锻铸铁复合孕育剂,进行了生产实验,研究和分析了稀土复合孕育剂对可锻铸铁石墨化退火周期的影响。
The effect of the rare earth compound inoculant on graphitizing the annealing period of the malleable cast-iron was studied and analyzed.
针对可锻铸铁退火周期长、石墨粗大、碳化物消除不彻底、退火工件力学性能低和使用寿命短的问题,对它的退火工艺进行了改进。
The heat treating process was improved for the malleable cast iron, in accordance with its long annealing period, coarse graphite, residual carbide, lower mechanical properties and limited serve life.
本文介绍了高速钢快速软化退火的三种方法。这些方法具有节能、高效、周期短、成本低等特点。
This paper introduces three methods of rapid softening and annealing for high speed steel. There are many advancetages of energy-saving, short cycle and low cost.
写于载氢光纤上的长周期光纤光栅经过高温退火后 ,对其进行紫外均匀曝光能够有效改变其耦合特性。
UV uniform exposure can effectively vary the coupling characteristics of the annealed long period gratings (LPGs) in hydrogen loaded fiber.
用途:台车式电阻炉系周期作业式电炉,可供大中型金属机件和材料的正火、淬火退火等热处理和加热之用。
Applications: the bogie hearth electric resistance furnace is a batch type furnace, it is used for normalizing, quenching, annealing and other heat treatments of large or medium metal parts.
用途:台车式电阻炉系周期作业式电炉,可供大中型金属机件和材料的正火、淬火退火等热处理和加热之用。
Applications: the bogie hearth electric resistance furnace is a batch type furnace, it is used for normalizing, quenching, annealing and other heat treatments of large or medium metal parts.
应用推荐