| 1. | 8 temporary backing bars and temporary rings must match the chemical composition of the base metal being welded
临时支杆和箍必须与相焊的母材金属的化学成分匹配。 |
| 2. | After welding is complete , they shall be removed flush with the base metal without undercutting
焊接完成后，应清除这些临时部件至与母材金属表面齐平，不得出现咬边。 |
| 3. | This paper also research the technology to improve the intensity between composite - alloy and basebody
同时对进一步提高复合合金与铸钢母材结合强度的工艺改进做了研究。 |
| 4. | Results prove that this method can be used to detect the height and distortion of work piece effectively
结果表明，该方法可以比较有效地获得金属结构高度及母材工件变形情况。 |
| 5. | This machine is mainly used in strip - perforating of pe film and eva film and in other raw materials production
本机主要用于pe膜， eva膜的打孔，同时也可用于其它母材的生产过程。 |
| 6. | The effect of post - welding heat treatment on the weld line , the microstructure and mechanical property of t91 steel was studied
摘要研究了t91钢焊后热处理对焊缝及母材组织性能的影响。 |
| 7. | 1 filler metal that is similar with respect to chemistry , corrosion resistance and mechanical properties of the base metal being welded shall be used
使用与母材的化学性能、抗腐蚀性能和力学性能相似的填充金属。 |
| 8. | The shear strength was 7 . 6 % higher . there was n ' t any oxidation in the joint region , and the structure was as same as the structure of base metal
该强度在目前报导中尚不多见，且接头区域没有夹杂物，接头组织几乎不能分辨，与母材组织相似。 |
| 9. | 4 when joining two different ferritic steels , or when joining ferritic to martensitic steels , the filler metal shall conform to the nominal chemistry of either base metal
两种不同铁素体钢或铁素体钢与马氏体钢之间的焊接，填充金属应符合任一母材金属的标称化学组成。 |
| 10. | After chemical and physical test , on conveyor chain material , it is concluded that the composition and various mechanical properties can meet the standard , except impact toughness at room temperature
摘要对圆环链母材进行理化检测，证明化学成分和各项力学性能指标均符合要求，只有常温冲击韧性不符合要求。 |
