Abstract
Polyurethane foams are commonly used in the upholstered seat cushions, providing a sitter with a comfort sitting experience. According to the foam testing standard of American association for material testing, the compression testing for sofa cushions with two layers of foam were conducted to investigate the effects of the elastic modulus of upper and lower foams on the support factor of seat cushion. The results indicated that the interaction of elastic modulus of upper and lower foams has significant influence on support factor. The support factor is significant higher when the foam with elastic modulus of 0.19 MPa was used as the upper layer, which means those foam cushions had good support performance. In addition, a regression technique was proposed to drive power equation for the estimation of support factor as a function of elastic modulus of upper and lower foams for sofa seat cushion.
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Acknowledgments
Zhejiang Natural Science Foundation: LQ18C160002. Research project of Xinlinmen Furniture Co., Ltd (Zhejiang, China): H20170306. Special thanks are due to Xinlinmen Furniture Co., Ltd (Zhejiang, China) who provided experimental materials for this study.
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Zhu, Y. et al. (2020). Support Factor of Upholstered Seat Cushions. In: Rebelo, F., Soares, M. (eds) Advances in Ergonomics in Design. AHFE 2020. Advances in Intelligent Systems and Computing, vol 1203. Springer, Cham. https://doi.org/10.1007/978-3-030-51038-1_20
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DOI: https://doi.org/10.1007/978-3-030-51038-1_20
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