Thus, studying the feasibility of FSW for joining copper and its alloys is of great importance.
因而，研究铜及其合金的FSW工艺将具有重要意义。
A three-dimensional heat transfer model based on the tool shape for FSW is present in this paper.
根据搅拌头形状与尺寸，建立了FSW三维传热有限元模型。
A three-dimensional heat transfer model based on the tool shape and size for FSW is established in this paper.
根据搅拌头形状与尺寸，建立了FSW三维传热有限元模型。
Working skill of FSW reaches the passing degree. Weld profile according to the working instruction of a product fully.
FSW操作技能达到合格标准。能够完全按照产品作业指导书的要求焊接型材。
Compared to the condition of air cooling, forced cooling significantly improves the mechanical properties of FSW joint.
与空气条件下相比，强制水冷条件明显改善接头的力学性能。
Residual stress distribution of FSW has high gradient, which makes the conventional strain gauge hole drilling method unsuitable.
应变片钻孔法是工程中应用最广的残余应力测量方法之一。
It can join many materials reliably which are difficult to weld by using conventional fusion techniques. The process of FSW is simple with well applicability.
它可以对多种熔化焊接性差的有色金属等材料进行可靠的连接，而且连接工艺简单，有较好的工艺适应性。
The hydrogen contents investigations show that the FSW process with array jet impingement sink appaatus can prevent the joints form the effect of colding water.
焊缝氢含量的测试分析表明，阵列式射流冲击热沉系统可以改善接头的残余应力分布，防止冷却水侵入焊缝。
The structure and dimension of welding pin are the main factors which affects the flow direction of the plastic metal in FSW zone and the quality of the FSW seam.
焊接过程中搅拌焊针的结构形状是影响焊缝区塑性软化材料流动方式的主要因素，从而影响焊缝的成型质量。
The FSW process results in different microstructures and stress distributions at different weld zones, which exhibit different corrosion behaviors correspondingly.
其工艺特性导致各焊缝微区组织和应力状况不同，从而展现出不同的腐蚀行为。
Meanwhile, strain hardening capacity of FSW joint in cooling water also enhances, and the tensile fracture presents the characteristic of microporous polymeric fracture.
接头的应变硬化能力增强，拉伸断口呈现出微孔聚合型断裂特征。
The models established for material flow in FSW are described in this paper. The results of the numerical modeling and the limitations existing in the models are also been introduced.
介绍了FSW过程数值模拟的一些研究进展，对资料中建立的模型和模拟结果进行了简要的描述。
The models established for material flow in FSW are described in this paper. The results of the numerical modeling and the limitations existing in the models are also been introduced.
介绍了FSW过程数值模拟的一些研究进展，对资料中建立的模型和模拟结果进行了简要的描述。
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