Effect of ultrasonic embossing and welding time on the joint performance of ultrasonically welded short carbon fiber reinforced PEEK

• DOI: 10.1016/j.jmrt.2023.12.266
• Publication Date: 2023-12-29T07:55:13Z
• Authors: Tianzheng Wang; Ruoya Shi; Zeguang Liu; Sansan Ao; Zhen Luo; Kaifeng Wang; Yang Li
• Keywords: Ultrasonic welding; Embossing

Ultrasonic plastic welding (UPW) is a highly efficient and environmental friendly method that has gained gradually increased attention in joining carbon fiber reinforced thermoplastic (CFRTP). A crucial aspect UPW of CFRTP the design energy director (ED). This paper employs ultrasonic embossing, cost-effective way to manufacture ED on surface sheets. The effect embossing time joint performance investigated terms microstructure, tensile-shear property, fracture morphology. results show structured made by can be used as concentrate energy. process reduces randomness dispersion weld distribution, improves failure load welded joints 30 % compared with without using ED. limited influence load. Sound obtained when one 1.5 s.