构造了三维管接头焊接应力和局部热处理温度场。
The three dimensional welding residual stress and temperature fields in local PWHT are constructed.
无论高炉热处理还是局部热处理,都是室内操作。
Both full furnace and localized heat treating are performed in house.
过大的加热宽度对局部热处理应力释放的作用不大。
Excessive wide heated band width appears ineffective to further reduce the residual stress.
本文采用三维计算模型对局部热处理中特殊和复杂的试样进行了研究。
In this dissertation, three-dimensional models have been applied to the study of some special and complicated specimen.
提出了基于固有应变理论的模型,对焊后局部热处理各个阶段的特征进行了阐述。
A model based on inherent strain theory has been proposed to explain the mechanism at different stage of local PWHT.
采用粘弹塑性有限元方法对管接头焊后不同局部热处理条件下应力分布特征进行了研究。
The characteristics of stress distribution in local PWHT for tubular joints have been studied using viscoelastic plastic FEM.
针对涡轮盘材料GH4133合金,在电子束焊后采用新颖的电子束局部热处理工艺对接头进行热处理。
After electron beam welding, electron beam local heat treatment was applied in GH4133 superalloy as the turbine disk material in this paper.
电子束局部热处理是一种新型的热处理方式,具有精确度高、灵活性好、效率高、节省能源和提高生产率的优点。
The electron beam local heat treatment (EBLHT) is a newly heat treatment that provides the advantages of high precision, flexility and efficiency, energy source saving and productivity improving.
包括采用陶瓷电加热器加热的局部热处理和采用热处理炉处理的整体热处理;条件适合的情况下优先采用整体热处理。
Partial heat treatment in adoption of electric ceramic heater & overall heat treatment in heating treatment oven are included; and, overall heat treatment is recommended if the conditions permit.
采用此方法可评价各种因素对局部焊后热处理的影响,并寻求最佳加热条件。
A series of different PWHT conditions are studied to find the critical heated width by using this method.
给出了焊接残余应力与局部焊后热处理应力的试验结果与模拟结果的对比。
Experiment results of welding residual stress and the stress after local post weld heat treatment are compared with numerical simulation.
论述了用于金属材料表面热处理的等离子弧发生器的工作原理、结构特点和参数设计。试验证明这种发生器对材料的表面局部硬化非常有效。
The working principle, structure and parameters design of plasma arc generator for heat treatment are described. Experiment has shown that it has good effect on partial surface hardening.
对大型直立设备安装过程中的现场焊接热处理过程中在轴向载荷和局部热载荷共同作用下的屈曲问题进行数值研究。
The buckling of large vertical cylindrical shells with welds subjected to local thermal action and axial loads was studied with numerical method by using ANSYS code.
然而至今各国关于局部焊后热处理的评定标准仍存在很大的差异。
However up to now the assessing criteria in local PWHT are still very different from one code to another.
然而至今各国关于局部焊后热处理的评定标准仍存在很大的差异。
However up to now the assessing criteria in local PWHT are still very different from one code to another.
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