随着接头间隙的增大，裂纹率逐渐减少。
When the gap of butt joint increases, cold crack rate gradually decreases.
为推动激光-电弧复合焊接的工程应用，对其接头间隙桥接能力进行了系统研究。
For the industrial application of laser-arc hybrid welding, the groove gap bridging ability of this process was investigated in detail.
研究单搭接接头胶缝中预留间隙对接头拉剪强度和应力分布的影响。
The effect of the recessing on the strength and stress distribution of adhesively bonded single-lap joints is discussed.
介绍了钎焊设、接头的装配间隙、钎料的正确选择及真空钎焊工艺。
This paper deals with the equipments of vacuum brazing, the assembling gap of joints, the brazing materials and the vacuum brazing process.
结果表明，扩散处理及钎焊间隙对钎焊接头的再熔化温度有强烈的影响。
Results show that both the diffusion treatment and the brazing gap affect strongly on the remelt temperature.
运用弹塑性有限元法，研究了胶粘剂弹性模量对含间隙的铝合金单搭接接头上应力分布的影响。
The effect of elastic modulus of adhesive on the str ess distribution in aluminium alloy single lap joint was investigated using elastic-plastic finite element method(FEM).
运用弹塑性有限元法结合实验研究了连续和间隙连接的单搭接接头应力分布规律，并考虑了胶瘤的影响。
The stress distribution of continuous and recessed bonding single-lap joints is discussed with use of elastoplastic finite element method (FEM) and experiment, considering the effect of fillet.
文章讨论了钎焊时间、钎焊温度、钎焊间隙及焊后扩散处理对钎焊接头再熔化温度的影响。
This paper discusses the effect of brazing time, brazing temperature, brazing gap and diffusion treatment on the remelt temperature of the brazed joint.
API螺纹啮合后存在的螺旋性间隙是导致螺纹接头泄漏的根本原因。
It is the helical clearance area in API connections after making up that contributes to leaking.
对管接头结构设计、过盈量和装配间隙等参数选择、防渗漏等进行了较系统地研究。
The parameter selection and permeability-proof for structure design, interference magnitude and assembly clearance of the couplings with the tubing were also studied systematically.
设计中还采用了多种形式的相贯节点，包括圆管正偏心的间隙接头及方管的搭接接头。
Varied types of intersecting joints, including gap joint with positive eccentricity for the circular tubes and overlap joint for the square tubes, were also adopted in the design.
而对于低弹性模量胶粘剂接头，间隙使得接头上的应力峰值明显上升，可能导致接头的名义强度和实际强度显著降低。
On the other hand, the recessing in the joint with low elastic modulus adhesive caus es the peak stresses increase evidently that may decrease the nominal and actual strength of the joint markedly.
介绍了激光焊的原理、接头形式、接头的间隙要求、焊接过程的控制及其在车身制造中的应用。
This paper presents laser welding, its principle, forms of welding joints, allowable clearance between welding joints, control of welding process and its application to the body manufacturing, etc.
采用先在钎缝间隙中预填合金粉，然后在钎缝外置放钎料进行钎焊的方法，解决不锈钢接头宽间隙的钎焊问题。
The braze of stainless steel joints with wide clearance is made by pre filling alloy powder into the gap.
分析了间隙对熔池形状的影响，得出不同工艺参数对熔宽变化的影响规律，并分析了电孤形态差异对接头的影响。
The effect obviously is changed with welding time, and the effect of gap on shape of molten pool is analyzed as well as the rule of different parameter on the change of molten width is obtained.
结果表明，随着间隙长度的增加，接头的承载能力趋于减小，但接头的实际剪切强度却持续上升；当间隙长度继续增加时，接头的实际强度趋于下降。
Results from the experiment show that the load bearing ability of the single-lap joint decreases as the length of the gap increase but the actual shear strength is increased in same time.
在该系统中，焊丝穿过电机的空心轴后从导电嘴的偏心孔送出，电机带动导电杆和偏心导电嘴旋转，从而使焊丝端部的电弧以一定直径高速旋转，以保证窄间隙焊接接头具有足够的侧壁熔深。
The hollow-axis motor drives the offset nozzle and rotates the arc on the tip of wire at high speed, so as to ensure enough penetration into the sidewalls in narrow gap welding.
研究了间隙长度和间隙位置对不同单搭接接头强度的影响。
The influence of length and position of recessing on the strength of adhesively bonded joints with different single-lap length was presented.
研究了焊轮压力和焊接电流对无间隙原子钢(if钢)压平缝焊接头抗拉强度的影响。
The effects of welding force and welding electric current on the tensile strength of mash seam welded joints in the interstitial-free (IF) steel have been studied.
过大的间隙长度以及不当的间隙位置会导致胶层靠近间隙端应力集中明显加剧，成为新的高应力区，可能导致接头破坏模式的改变。
Oversize recessing or improper position results in sharp stress concentration near the recessing to be a new higher stress zone, which may lead to the alternation of failure mode of joints.
研究结果表明复合材料干涉配合接头的有效应力集中系数小于复合材料间隙配合接头的有效应力集中系数；
The result shows the following important points. The notch coefficient of interference-fit composite joint is less than the notch coefficient of sliding-fit composite joint;
研究结果表明复合材料干涉配合接头的有效应力集中系数小于复合材料间隙配合接头的有效应力集中系数；
The result shows the following important points. The notch coefficient of interference-fit composite joint is less than the notch coefficient of sliding-fit composite joint;
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