采用超声波对PE管对接焊缝进行检测。
介绍半球对接焊缝超声探伤的声程定位方法。
Ultrasonic flaw location in semisphere butt welds by sound path method is described.
对接焊缝在不同坡口型式时残余应力的影响是不同的。
The influence of residual stresses is not same when the structure of the butt welds is different.
先焊炉底板间对接焊缝，由中间往四同辐射对称焊接。
First, weld the butt seams on the bottom plate of the furnace, with radiating and symmetric welding conducted from the central point.
焊缝可分为对接焊缝、角焊缝、塞焊缝和端接焊缝四种。
The weld can be divided into four types: butt weld, fillet weld, plug weld and end weld.
研究表明裂纹是从纵向加劲助未熔透的对接焊缝中起始…
This indicated that the fracture had initiated at the unfused butt weld in the longitudinal stiffener.
简要评述小直径管对接焊缝射线照相的特点、方法以及现行技术规定。
The status of the radiographic technology for the butt-welded joints in small diameter tubes are re-viewed briefly. The key points are discussed for the development of radiographic technology.
给出了采用热点应力法进行铸钢节点环形对接焊缝疲劳寿命估算的全过程。
The paper presents the life evaluating process of girth butt welds by hot spot stress method and the calculation methods of hot spot stress range.
对两种不同对接焊缝布置下的船体结构进行疲劳强度和极限承载能力分析。
The fatigue and ultimate strength analysis of hull structure with two different butt-welding lines distribution was researched in this paper.
以工程中常用的斜对接焊缝的研究为例，说明了力学强度理论的正确应用方法。
This article explained the correct application of the theory of strength through using the commonly used bevelled halving welded seam as an example.
通过以上分析和采取的措施，能有效提高工艺管道对接焊缝超声波检测的质量。
By the analysis and measures above, it improves the test quality of the process piping butt weld effectively.
文章分析了直管对接焊缝开裂和掌形管开裂的原因，并提出了相应的防护措施。
In this article an analysis is made on cracking reasons of the straight tube and a palm welding and the relative prevention measure is put forward.
针对工艺管道对接焊缝的特点，对焊接方法、焊接位置及易产生的缺陷进行了分析。
Considering the characteristics of the process piping butt weld, this article analyzes the welding methods, the welding positions and the defects which are easily produced.
其端部斜面焊缝结构的抗疲劳强度比对接焊缝结构高，且不会发生一次性脆性破坏；
The fatigue resistance of the scarf weld in the end of the vessel is stronger than that of the butt weld.
阐述了用微机进行对接焊缝超声波探伤质量评定的全过程，编制了AUTOLISP程序。
The whole procedures are expounded of supersonic detection of butt-joined seams in quality assessment done by microcomputer, and a AUTOLISP program is made.
节点中的焊接宜采用完全焊透的坡口对接焊缝连接，当采用双面角焊缝连接时，可按等强设计。
And the welding connecting of them are advised to use slope butt weld that are fully welded, but when the double-sided fillet weld is used, they should be design on equal strength.
本课题研究了建筑钢结构熔透对接焊缝中缺陷当量的分析方法和非裂纹类缺陷对焊缝正常使用的影响。
The research focuses on the defect equivalent analytical methods in building steel structure butt weld fusion and the effects of non-crack-type defects on the normal use of butt weld fusion.
在长输管道生产中，由于焊管管端几何形状误差而引起的对接焊缝缺陷是造成应力腐蚀断裂的主要原因之一。
In the long pipeline, because the end surfaces of the welded pipes have the geometrical errors which induce the butt weld defects, the stress corrosion crack will occur.
对接焊缝可评定全焊透和部分焊透对接焊缝和角焊缝，当角焊缝是产品的主要焊接接头形式时，需要用角焊缝试验评定。
Butt welds qualify full and partial penetration butt welds and fillet welds. Fillet weld tests shall be required where this is the predominant form of production welding.
焊缝尺寸 （如对接焊缝的焊缝宽度、角焊缝的焊角尺寸等 ）是表示焊缝形状特征的指标 ，是影响焊缝质量的重要因素之一。
Weld-shape(butt weld width, size of fillet weld)is an indicator of weld features and it also is an important factor of quality welding.
介绍一种利用充电电动螺丝批改制的轻便手持式超声波探头移动器，可辅助检测人员进行钢板对接焊缝的超声波检测工作，从而提高检测工作效率、减轻工作强度。
A moving utensil for portable ultrasonic probe which is made of chargeable electronic screwdriver is introduced, and it can be used to assist detector to detect steel butt-joint welding seam.
研究了焊缝金属相对宽度和焊缝金属强度对接头性能的影响。
Influence of the relative width of weld metal and strength of weld metal wes researched.
对接实验针对AZ31和AZ61镁合金材料，研究了在A-TIG焊中混合成分的活性剂对焊缝成形的影响。
For AZ31 and AZ61 magnesium alloy, effects of activating fluxes with hybrid component on weld forming in the a - TIG butt joint welding of are studied.
采用模拟时的焊接工艺参数进行钨极氩弧焊平板对接焊，测定焊接热循环曲线和焊缝截面尺寸，对模拟结果加以验证。
The welding thermal cycle and section dimensions of the welding seam were measured in the condition of the simulated welding process parameters for checking simulation results.
分别设计了适合对接和角接焊缝腐蚀检测的两种传感器。
Butt contact and angular contact welding seam corrosion detection sensors were designed respectively.
对管道热缩套下对接环形焊缝附近爆裂的实际案例进行了分析。
An analysis is carried out to a practical case of a pipeline rupture happened near spiral weld under field applied heat shrinkable sleeves.
研究了焊缝金属相对宽度和焊缝金属强度对接头性能的影响。
The main influencing factors of the microstructure in weld metal are composition and cooling rate of the weld metal.
研究了焊缝金属相对宽度和焊缝金属强度对接头性能的影响。
The main influencing factors of the microstructure in weld metal are composition and cooling rate of the weld metal.
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