强调了焊接球罐焊后热处理的必要性。
The necessarily of post-weld heat treatment of spherical tanks was emphasized.
用焊接热模拟方法确定了焊后热处理工艺参数。
The technological parameter of post-welded heat-treatment is determined by welding thermal simulation test.
退火轴承锥必须事先向加工和随后的后热处理硬化治疗。
Bearing cones must be annealed prior to machining and a subsequent post heat-treat hardening.
研究308L焊缝经过焊后热处理其蠕变-疲劳的性质。
The creep-fatigue properties of 308L ste el weld after post-weld heat treatments (PWHT) were investigated.
后热处理可改善变形和表面应力状态、细化组织、提高硬度。
The post treatment can improve deformation and surface stress state, refine microstructure and increase hardness of cladding layer.
介绍了高强度管坯的生产流程及锻后热处理、最终热处理工艺。
The production flow, after forged heat treatment and final heat treatment process for the high strength tube blank have been described in this article.
只要有可能，制造的容器应在一个封闭炉中进行整体焊后热处理。
The fabricated vessel shall be post-weld heat treated as a whole in an enclosed furnace whenever possible.
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.
本程序包括铸件材料的热处理方法，铸件焊补区域的焊后热处理方法。
This procedure covers the method for casting material's heat treatment, and Post weld heat treatment (PWHT) to weld repair area of castings.
在分析高速钢特性的基础上，介绍了高速钢的锻造工艺及其锻后热处理。
Upon characteristics analysis of high speed steel, forging technology of high speed steel and sequential heat treatment have been introduced.
确定焊后热处理温度，并且通过各项实验证明焊后热处理温度的合理性。
The post welding heat temperature is determined and we proved the reasonable by a series of experiments.
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.
考察了金属化工艺、镀镍及镀后热处理对接头剪切强度和钎焊效果的影响。
Influences of the metallizing technologic conditions, Ni plating and subsequent annealing on the joint shear strength were investigated.
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.
焊后热处理可以较好地改善焊接接头的韧性，但存在耗能大、工时长等问题。
The toughness may be well improved by postheat treatment which is large in energy consumption and long in working period.
将ANAND粘塑性本构关系引入到焊后热处理消除残余应力的有限元计算中。
ANAND viscoplastic constitutive equation was introduced into the FE model for calculation of the reduction of welding residual stresses during the post weld heat treatment.
通过焊前预热、层间温度控制及焊后热处理等手段获得了满足质量要求的焊缝。
With the methods of the pre-heating before welding, controlling the interlaminar temperature and the heat treatment after welding, the welds that satisfy the quality specifications can be available.
如果需要，一些合金还可以提供成形后热处理(老化硬化)至更高硬度和强度的能力。
Where required, some of the alloys also offer post form, heat treatment (age hardening) capabilities for even higher hardness and strength levels.
材料的热成型或冷成型的选择由卖方进行，但成型后热处理应符合相关材料规范的要求。
Selection of hot or cold forming of materials may be made by Vendor, but heat treatment after forming shall conform to the requirements of applicable material specifications.
通过一系列电解充氢试验比较了不同焊后热处理条件对不锈钢堆焊层氢致剥离的影响。
The influence of PWHT conditions on hydrogen-induced disbonding were studied through a series of electrolytic hydrogen charging tests.
试验表明，采取焊前预热，焊后热处理的TIG焊工艺进行焊接可以减少焊接缺陷的产生。
The experiment results show that the welding defects can be decreased by using preheat and post-weld heat treatment.
结果表明，经过焊后热处理后焊缝出现严重的低温脆化，其冲击试样的断口为解理状形貌；
The results show that after post-weld heat treatment(PWHT), the welds of X80 steel seriously embrittle, and the fracture morphology of impact specimens is cleavage.
采用焊接热模拟的方法，模拟HAZ粗晶区组织，并在不同回火参数下对试样进行焊后热处理。
By use of the method of welding thermal simulation, the morphology in HAZ was simulated and the post-weld heat treatment under different tempering parameter to the test specimen was carried out.
因此，新的锻热淬火工艺可以代替传统的锻后热处理工艺，达到节能降耗、提高生产效率的目的。
Therefore, the conventional heat treatment process after forging can be replaced by the new ausform hardening process, to save energy and improve production efficiency.
改善焊接工艺或进行焊后热处理，使M - A组元分解成铁素体和碳化物是提高其韧性的有效方法。
The effective method to improve the impact ductility of this zone is to change the welding process and conduct post-weld heat treatment, which is help to divide M-A component into ferrite and carbide.
因此为了获得较高的接头形状恢复率，在满足抗拉强度的基础上，应优先考虑采用随机后热处理工艺。
So under the precondition of tensile strength need, it is necessary to employ the CPHT processing in order to get high SRR joint.
结果显示，一定的母材厚度和焊后热处理条件，使熔合线附近氢浓度峰值提高，从而使氢剥离倾向增大。
The results show that certain thickness of the base metal and the regime of heat treatment will increase the peak hydrogen concentration and promote the tendency of disbonding.
分析了新型耐热钢（T／P92）焊接性能，并对其焊接工艺、充氩措施及焊后热处理控制要点进行论述。
This paper analyzed the welding capability of the new type heat resistant steel and discussed its welding technology, measures of argon filling and the control points of post weld heat treatment.
残余拉应力区宽度变大。 文中还给出了焊后热处理后的应力大小情况，以证明焊后热处理能改善应力分布。
The weld residual stress by PWTH is discussed in order to prove that PWTH can really improve the distribution of stress.
残余拉应力区宽度变大。 文中还给出了焊后热处理后的应力大小情况，以证明焊后热处理能改善应力分布。
The weld residual stress by PWTH is discussed in order to prove that PWTH can really improve the distribution of stress.
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