Results indicate that the fatigue strength of welded joints is lower than that of the parent metal.
结果表明：焊接接头高周疲劳性能低于母材的疲劳性能。
The tensile strength and the elongation percentage of the parent metal and the weld zone increased slightly.
冲击处理使焊缝区和母材区的强度和伸长率均有所增加。
Metallurgical tests of cross-sectional weld samples indicate a minimal heat-affected zone that is identical to the parent metal.
剖焊样品的金相检验表明，成品的最小热影响区与母体金属完全相同。
Intense and manifold plastic deformation occurs in parent metal near interface zone, and deformation mostly fastens on eddy in front of wave.
界面近区基体金属发生了剧烈的多种形式的塑性变形，变形主要集中于波前漩涡附近。
This zone is traditionally called shear zone in view of fact that the material in the final form would be removed by shear from the parent metal.
考虑到最终形状中的材料是通过剪切从母体金属去除的，此区域传统上称为剪切区。
Sliver. An extremely thin elongated piece of metal that has been rolled into the surface of the parent metal to which it is attached - usually by only one end.
重皮。扎入基体金属表面、通常只有一端与基体金属相连的极薄的金属长条。
According to the electrochemical impedance spectroscopy results, the corrosion products plating on alloys surface are partly protective to the parent metal with immersion time.
阻抗测试结果显示，随着浸泡时间的延长，腐蚀产物在合金表面沉积，对基体金属具有一定的保护作用。
The mechanical testing results showed that tensile strengths of samples welded by direct welding is only 31.24% of that of the parent metal, and 50.89% of that by "in-situ" welding.
力学性能试验结果表明，不加填充材料焊接时，试样拉伸强度仅为母材强度的31.24%；进行原位焊接时，试样强度达到母材强度的50.89%。
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。
The results show the accumulated damage of reformer tubes is localized, and the damage of the weldment located at the lower part of reformer tubes is more serious than that of the parent metal.
结果表明炉管的累积损伤具有局部性，下部高温段的焊缝损伤较母材严重。
The welding metal can form granular bainite structure and mechanics property of welding joints is consistent with the parent metal. The result shows that this welding electrode can meet the need.
通过分析焊接接头组织和力学性能，表明与辙叉母材的性能基本一致，能够满足使用要求。
The welding metal can form granular bainite structure and mechanics property of welding joints is consistent with the parent metal. The result shows that this welding electrode can meet the need.
通过分析焊接接头组织和力学性能，表明与辙叉母材的性能基本一致，能够满足使用要求。
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