Publisher DOI: 10.1016/j.matdes.2015.06.044
Title: Influence of process parameters on mechanical performance and bonding area of AA2024/carbon-fiber-reinforced poly(phenylene sulfide) friction spot single lap joints
Language: English
Authors: Goushegir, Seyed Mohammad 
Dos Santos, Jorge F. 
Amancio, Sergio 
Keywords: Aluminum;Composite;Design of experiment;Factorial design;Friction spot joining;Hybrid joint
Issue Date: 29-Jun-2015
Publisher: Elsevier Science
Source: Materials and Design 83: 431-442 (2015-10-15)
Journal or Series Name: Materials and design 
Abstract (english): 
The effects of friction spot joining process parameters on the bonding area and mechanical performance of single lap joints were investigated using full-factorial design of experiments and analysis of variance. On one hand, the main process parameters with significant influence on the bonding area were joining pressure, tool rotational speed and joining time. On the other hand, tool rotational speed and joining pressure displayed the highest influence on the lap shear strength of the joints followed by tool plunge depth, whereas the joining time was not statistically significant. The interaction between the rotational speed and joining time was the only interaction with a significant effect on the mechanical performance. Joints with ultimate lap shear forces varying between 1698. ±. 92. N and 2310. ±. 155. N were obtained. It was observed that generally a larger bonding area as a result of higher heat input leads to an increased mechanical performance of the joints. The generated regression model by the analysis of variance was used to identify an optimized set of parameters for increasing the lap shear strength of the joints to 2280. ±. 88. N. Furthermore, the process temperature was monitored, which varied in the range of 370-474. °C.
ISSN: 1873-4197
Institute: Kunststoffe und Verbundwerkstoffe M-11 
Document Type: Article
More Funding information: We would like to acknowledge the financial support of the Helmholtz Association through the Young Investigator Group, ‘‘Advanced Polymer Metal Hybrid Structures’’ (Grant No. VH-NG-626 ).
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