母材是在焊接工程中被焊接的材料。
... 母材，基体金属 Base metal 焊接基体金属的处理 preparation of base metal for welding 母材 母体金属 底层金属 基焊料 基体金属 parentmetal ...
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The joint is formed using the parent metal of the sections to be joined. Thus, there are no additional fixings, nor is there need for heating, which may cause damage to protective coatings.
与传统连接方式相比，插座式节点直接利用所需连接截面的母材形成，不需要另外的设备或加热处理，因而不会对钢材的涂料保护层造成破坏。
参考来源 - 冷成型钢构件插座式连接节点理论及试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
接头拉伸强度较高，一般为母材95%左右。
Joint tensile strength was high, generally 95% of base metal.
焊接接头强度、塑性均可达到与母材相当的水平。
The strength and plasticity of welds were equivalent to the base metal.
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.
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