With a stable and durable way to fusion weld heat sealed together to make sealing more encryption.
采用了稳定耐用的热熔接方式来熔合封口，使封口更加密合。
The microstructure and fine structure of weld fusion zone for high strength fine grain steel were studied.
研究了高强度细晶粒碳素钢焊接接头熔合区附近的显微组织及精细结构。
The main region of invalidation of the weld joint between different steels is commonly in fusion zone during welding or serving.
异种钢焊接接头在焊接时或使用期间，发生失效的主要区域通常在熔合区。
The crystallizing morphology on the weld seam was equiaxed grains and dendrites and that on the fusion area were columnar crystals.
焊缝区组织主要为等轴晶和树枝柱状晶，熔合区组织主要为柱状晶。
According to the different product structure, butt fusion welding process and lap seam welding process are used to respectively weld left and right half shell of upper body.
上体左、右半壳直焊缝视产品结构不同，分别采用对接熔化焊和搭接缝焊工艺。
Recognizing that the solubility of gas is greater in the liquid state than in the solid state, the subject of weld porosity is relevant to fusion zone discussion.
认识到溶解度的气体是更大的，在液体状态，比在固体状态下，受焊缝孔隙率是相关的熔合区的讨论。
C,. Incomplete fusion prevent adopting greater welding current, use correctly to weld the cleaning of operating, notice groove position.
未熔合的防止采用较大的焊接电流，正确地进行施焊操作，注意坡口部位的清洁。
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.
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 weld shall be free of any lack of fusion, undercutting, cracks and other defects which could impair the worability or use of the product in question as specified by the purchaser.
焊缝不能有未熔合，咬边，裂纹和其它影响产品工作和使用的缺陷。这些都已经经过采购人员的一再强调。
The weld defects of incomplete fusion and burn through always occur when the electro-slag welding is used between the outside thin metal plate and the inner clapboard in a box-section member.
箱形截面构件薄壁板与内隔板电渣焊接时，易产生壁板烧穿和焊缝未熔合现象。
The appearence characteristics of the heterogenous mixture zone near the bottom of weld metal in the fusion welded joint are studied through metallographic observations of many fusion welded joints.
通过时大量熔化焊接头的金相观察，研究了熔化焊接头焊缝底部附近“不均匀混合区”的形貌特征。
A new method of defect detection X-ray images of weld using optimized heuristic search based on image information fusion was introduced.
提出一种基于信息融合优化搜索技术的X射线图像焊缝缺陷检测方法。
The hardness tests on welding joints prove this by showing that the hardness reduces in fusion area, and increases slightly in weld zone.
通过对焊接接头的硬度检测，发现熔合区硬度下降，焊缝区略有上升。
The fatigue crack propagation rate of the fusion line and weld toe are greater than that of the others.
熔合线和焊趾处疲劳裂纹扩展速率较其他部位大。
Through material, weld material, weld technology. Analyses the reason when cracking-fusion product in line pan. Introduces a method of preventing cracking-fusion production.
从原材料、焊接材料、焊接工艺三方面分析了中部槽产生裂纹的原因，从而得到一种避免裂纹产生的方法及预防措施。
And the effect of SPreading fusion of active flux on weld pool depth and arc phenomenon in A-TIG welding is also studied with properly experimental method.
采取适当的试验方法研究A-TIG焊活性剂对电弧现象及活性剂涂敷量对焊接熔深增加的作用。
Based on the fracture site investigation and macro-rod fracture analysis, the welding rod fracture occurred in the vicinity of the weld fusion line.
通过对最近的一次断裂拉杆现场调查和宏观断口分析，发现断裂发生在拉杆的补焊焊缝熔合线附近。
Analyses the cause for the crack resulting from the non-fusion in the longitudinal weld seam of a power plant boiler cylinder, and suggests corrective actions to eliminate the defect.
针对一台电站锅炉锅筒纵焊缝未融合引起的裂纹进行分析，并提出缺陷修复的办法。
The tensile test fracture area locates on weld seam, and the hardness near HAZ fusion line is the highest, away from the fusion line, the hardness declines and reach the parent metal hardness.
焊接接头的拉伸试验断裂部位在焊缝。焊接HAZ熔合线附近的硬度值最高，远离熔合线硬度降低，并逐渐接近母材金属的硬度。
It can join many materials reliably which are difficult to weld by using conventional fusion techniques. The process of FSW is simple with well applicability.
它可以对多种熔化焊接性差的有色金属等材料进行可靠的连接，而且连接工艺简单，有较好的工艺适应性。
The positioning welding stainless steel pipe shall be smooth transition arc and weld end, can not be too high, must ensure good fusion, produce unweld, slag and other defects in case.
不锈钢管件的定位焊起弧和结尾处应圆滑过渡，焊道不能太高，必须保证熔合良好，以防产生未焊透、夹渣等缺陷。
The fusion course of different material (Fe and Ni)in spot weld with different process variable was researched. The weldableness and the selection of parameter were researched, too.
对异质材料铁-镍点焊在不同规范下熔合过程进行了试验研究，包括可焊性及规范参数的选择。
Stress-strain tests show that: the weld residual stress and the fusion zone is relatively concentrated, the residual stress of the heat affected zone is relatively small.
应力应变测试表明：焊缝与熔合区是残余应力比较集中的地方，热影响区的残余应力比较小。
The results show that:under the no preheating condition, the microstructure of weld metal is columnar austenitic, and brittle martensite exists in the fusion zone and over-heated zone unavoidably.
研究结果表明：在不预热条件下，用KD286焊补钢轨，焊缝组织为柱状奥氏体组织，熔合区和过热区不可避免地产生脆硬的马氏体组织。
The design of inverter electro-fusion weld machine based on PIC SCM was described. The IGBT inverter power control system, including hardware and software were given.
主要介绍了一种基于PIC单片机的逆变电容焊机的研制，详细阐述了IG BT逆变开关电源、控制系统的硬件结构和软件流程。
Then the accurate three-dimension position of the edge points in the weld seam can be obtained from them by using information fusion algorithm.
对这三组坐标进行信息融合，可以更加精确的获得特征点的空间坐标。
Then the accurate three-dimension position of the edge points in the weld seam can be obtained from them by using information fusion algorithm.
对这三组坐标进行信息融合，可以更加精确的获得特征点的空间坐标。
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