铜包钢母材及铜包铝于一体的生产型企业。
Copper Clad Steel base metal and copper Baolv in the production of integrated enterprise.
焊接接头的硬度与母材匹配，平直度良好。
The hardness of weldjoints is matched with that of the parent material.
制止在管道和管件的母材外表打弧或许起弧。
Check the appearance of the base metal of the pipe and fitting to make arc or arc.
在合适的激光焊接条件下，热影响区韧性高于母材；
The toughness of HAZ is higher than base metal under appropriate laser welding conditions.
评定根据母材和全焊缝拉伸试验结果建立评定曲线；
The failure assessment diagrams were derived from the tensile test results.
正火态与调质态母材相比，后者可得到强韧性较高的接头。
Being compared with the normalized steel, the quenched and tempered steel can led to a joint with higher strength and toughness.
实验结果表明：接头的微观组织和化学成分与母材趋于一致；
The results show that the microstructure and composition of the bonded zone are similar to those of the substrate.
本文研究了母材成分、石墨形态和工艺参数对重熔层性能的影响。
This paper investigates the effects of the mother material content, the graphite form and the technological parameters on the performance of remelting layer.
容器的液压爆破试验证明，母材和焊接接头具有良好的综合力学性能。
The hydrostatic pressure explosion test on vessel indicates tha both base metal and weld metal have good comprehensive mechanical properties.
研究表明，铜的加入能够显著降低钎焊温度，从而有效保护钎焊母材。
The studies show that the addition of copper can lower brazing temperature significantly, by this can protect the brazing base materials effectively.
经实验发现细晶粒碳钢焊接接头拉伸试验断口在远离热影响区的母材上。
It is found that the weld of fine grain steel break apart from heat effect zone in the tensile test.
结果表明焊接接头裂端应力三轴性随焊缝和母材匹配性质及裂纹几何不同而变化。
The numerical results show that the stress triaxiality varies with the mis matching mode and crack geometry of welded joints.
预热温度及层间温度控制在25 ~50为宜，接头拉伸和冲击性能与母材相匹配。
The preheating and interpass temperatures are 25 ~ 50c. Tensile and impact properties of the joints are almost the same as that of the matrix.
其连接机理为烧结过程中母材与连接材料间的扩散反应，以及界面处颗粒间的相互镶嵌。
The joining mechanism were diffuse reaction between matrix and joined materials and particles inlaying each other in the joint.
用焊接方法连接的接头称为焊接接头，它由焊缝、熔合区、热影响区及其邻近的母材组成。
The joint which is connected by welding method is called the welding joint, which is composed of welding seam, fusion zone, heat affected zone and its adjacent base metal.
异种材料间钎焊，不仅需选钎料，而且对与钎料、母材相匹配的钎剂的选用同样也很重要。
Brazing between dissimilar metals, choosing brazing filler metal and flux which is matched with brazing filler metal and the base metal is very important.
接头焊缝金属的断裂韧度显著低于母材，而热影响区断裂韧度则介于母材和焊缝金属之间。
The fracture toughness of the weld metal is lower than that of the base metal and the fracture toughness of heat-affected zone (HAZ) is intervenient between those of weld metal and base metal.
改性沥青各种罐与管道用焊接材料选择的原则是：焊缝金属的性能应高于或等于母材性能。
The principle of choose on welding material of alter-asphalt in every kinds of tanks or tubes is: the character of welding seam metals should be higher than the original welding material.
夹送辊堆焊时，由于母材的硫、磷含量较高及堆焊材料含碳量高、硬度大，常常产生热裂纹。
Because of containing more sulfur and phosphorus in the steel, and more carbon, high hardness in material of surfacing welding, the pinch roller often turns up hot crack.
它是一种利用焊条与工件之间电弧产生的热量熔化焊条和母材而将被焊工件连接起来的焊接方法。
This welding process joints work pieces by melting the electrode and the base metal with the heat from the electric arc between the electrode and the work piece.
母材纵向的屈服强度及其屈强比均有上升趋势；钢管母材横向和纵向抗拉强度都呈上升趋势。
The ultimate tensile strength(UTS) both in transverse and longitudinal of pipe body showed the trend for rising.
从理论上对超导开关线的母材选择和参数设计进行了分析，并对超导开关线的合理使用提出了建议。
Theoretical analysis is made on matrix selection and parameter design of superconducting on-off switch wire and a suggestion of reasonable application of the wire is presented.
设计的初炼炉出钢成分及其出钢温度，为GH1040母材在VOD精炼过程中提供了所需要的热能。
The appropriate tapping temperature and composition, designed for primary melting GH1040 base metal in arc furnace, provide necessary energy for VOD refining.
焊后试件的性能测试结果表明，焊接接头的拉伸强度、断面收缩率、延伸率及冲击韧性均已超过母材。
The results of performance measurement test show that tensile-strength, contraction of cross sectional area, elongation percentage, dynamic ductility of the weld all exceed their base metal.
对那些可见部分用于分段合拢的临时填充应整洁地将其去除，损坏的母材应通过焊接和打磨进行修复。
Where exposed to view, the temporary filling used for erection to be neatly removed, damages to the base material to be repaired by welding and grinding.
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.
基于对实际点焊接头硬度分布的分析，建立了包括熔核、热影响区和母材的单点点焊搭接接头计算模型。
Based on the hardness analyses of actual spot welded joints, a computational model that consists of nugget, HAZ and base metal is established for the single point spot welded lap joints.
需焊接或热切割的表面应排除所有可能会损坏焊材或母材的杂物，如脂、油、灰尘、水垢、熔渣和油漆等。
Surfaces to be welded or thermally cut shall be cleaned of all foreign material such as grease, oil, dirt, scale, slag and paint that would be detrimental to either the weld or base material.
需焊接或热切割的表面应排除所有可能会损坏焊材或母材的杂物，如脂、油、灰尘、水垢、熔渣和油漆等。
Surfaces to be welded or thermally cut shall be cleaned of all foreign material such as grease, oil, dirt, scale, slag and paint that would be detrimental to either the weld or base material.
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