未经扩氢退火的电渣钢大锻件经超声波检验,未发现白点缺陷。
Ultrasonic testing shows on flake defects in theheavy forgings of ESR steel without any diffusion annealing.
导致氢含量过高的原因可能在于锻后退火不足。
The main rason of leading to overhigh hydrogen content was insufficient anneal after forged.
此外,随着退火温度的提高,氢渗透时间和氢陷阱系数也增大,而氢的扩散系数则降低。
In addition, both hydrogen permeation time and trapping coefficient of hydrogen increase but the hydrogen diffusivity decreases in the steel with the elevation of annealing temperature.
对氢脆的危害进行了探讨,得出了适宜的真空退火条件。
The harmness of the hydrogen frangibility is discussed, and then the appropriate conditions of vacuum anneal are gained.
氢等离子体退火对电活性的位错态有显著的钝化作用。
They can be passivated with hydrogen plasma annealing and reactivated by subsequent thermal annealing in vacuum.
通过建立全氢罩式退火炉炉内传热过程的数学模型,并经过实测验证后,分析了循环风量与退火时间的关系。
A mathematical model for heat transfer process in HPH furnace was established and verified, then applied to analysis of the relationship between gas flow rate and annealing time.
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.
全氢罩式退火炉是具有世界先进水平的冷轧板卷退火设备,具有钢卷退火均匀、控制系统自动化程度高等特点。
All-hydrogen batch annealing furnace is the world's leading annealing equipment of Cold Rolled Coils. The system is characterized by uniform annealing coil and advanced automation.
建立了以温度跟踪为目的的全氢罩式炉钢卷退火过程在线数学模型。
A on-line mathematical model for tracing coil temperature of the bell-type furnace is established based on the two-dimensional, axisymmetric, transient heat conduction equation.
并结合对钢卷导热方程和边界条件的离散求解,实现了钢卷温度场模拟计算的同时,获取了全氢炉退火过程的工艺制度。
Basing on the heat transfer mathematical models and the simulation system, the temperature fields of coils during annealing process have been calculated.
结合退火工艺过程的分析,建立了全氢炉退火过程钢卷温度场模拟计算的逻辑体系。
Combining with the analysis of the annealing craft process, the simulation system for the calculation of the coil's temperature has been developed.
结合退火工艺过程的分析,建立了全氢炉退火过程钢卷温度场模拟计算的逻辑体系。
Combining with the analysis of the annealing craft process, the simulation system for the calculation of the coil's temperature has been developed.
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