Abstract
Abstract Advanced fabric reinforced polymer composites find extensive applications in aerospace and structural fields due to their high mechanical properties. A novel stamp forming technique finds extensive use in the hemispherical forming of thermoplastic composites. This study investigates the influence of stamp forming parameters on the formability of thermoplastic composite using Taguchi’s robust design and grey relational analysis. Taguchi’s orthogonal array was used for designing the forming experiments. Responses such as forming ratio and logarithmic thickness strain were considered for the assessment of sheet formability through single and multi-response optimization. Analysis of variance was used for the determination of the contribution of each parameter on formability and it was identified that the die temperature acts as a prominent factor, followed by blank holder force and blank temperature. The confirmation test was conducted at optimum parameter levels and the obtained experimental grade was seen within the confidence interval of the predicted value.
Highlights
At present, advanced glass fabric reinforced thermoplastic matrix, the thermoplastic composites can be softened with (GFRTP) composites are found as substitutes for metals the ability to flow to fit into the die cavity[5]
The conclusion from the experimental results is that the flange thickness depends on the amount of temperature difference as well as the frictional force between the heated blank and the die. The focus of this experimental investigation was the influence of stamp forming parameters on the formability of thermoplastic composite using Taguchi based grey relational analysis for single and multi-response optimization problems
The analysis helped the identification of die temperature acting as a prominent factor, followed by the blank holder force and blank temperature in controlling the performance characteristics of stamp formed components for both single and multi-response optimization problems;
Summary
At present, advanced glass fabric reinforced thermoplastic matrix, the thermoplastic composites can be softened with (GFRTP) composites are found as substitutes for metals the ability to flow to fit into the die cavity[5]. Instabilities like and thermoset composites due to their better impact, buckling and wrinkling may occur during the formation of corrosion-resistance and fracture toughness properties[1]. The woven fabric-reinforced composites into dome shaped. The higher durability feature of thermoplastic composites made them better suitable for crash applications than the thermoset composites. Nurul Fazita et al.[7] studied the impact of parameters on the existence of deformations in fabric reinforced poly-lactic-acid polymer composites and identified that the hot tooling conditions would provide better-quality possibly be melt-shaped for fast and programmed processing.
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