The decorative patterns of Tang dynasty (DPTD) combine Chinese and western styles, providing inspirations to designers. The main purpose of the study is to summarize aesthetic cognition for DPTD and improve modern Tang style products design, thus introducing new materials and ideas to modern products design. The event‐related potential (ERP) and eye‐tracking were mainly used to study DPTD, exploring early reactions of brain nerves in the process of aesthetic cognition of DPTD, and analyze people's aesthetic process during tests. The results showed that attractive DPTDs attracted more fixation counts and longer second fixation time than those of unattractive DPTDs. When watching attractive DPTDs, pupil sizes of subjects were significantly smaller than those of unattractive DPTDs. In addition, attractive DPTDs induced larger amplitude of P300 than unattractive. N2 was strongly activated in the parietal and occipital areas, whereas P300 was strongly activated in the prefrontal to parietal areas. At the same time, this study found that in the process of people's aesthetic appreciation, attractive DPTDs would make people have a pleasant subjective feeling. This study adopts the method of combining ERP with eye‐tracking and provides a new method and design idea to guide the design of modern Tang‐style products.
The effect of tenon length and tenon width on withdrawal load capacity of mortise and tenon (M-T) joint was studied based on the finite element method (FEM), and the relationship of withdrawal load capacity relating to tenon length and tenon width was regressed using response surface method. The results showed that the tenon length and tenon width had remarkable effects on withdrawal load capacity of M-T joint T-shaped sample. The effect of tenon length on withdrawal load capacity was greater than tenon width. The regression equation used to predict the withdrawal load capacity was capable of optimizing the tenon sizes of M-T joint with R-square of 0.926. Using FEM can get more knowledge of M-T joint visually, and reduce the costs of materials and time of experiments.
Lacquer, bone glue, and poly(vinyl acetate) (PVAc) were selected in this work as the reinforced binding components for the restoration of lacquer furniture. Three response variables related to the strength of the binding material were studied: cohesive strength of lacquer film, binding situation, and the permeation of adhesive. In addition to mechanical tests, specimens were observed directly and by scanning election microscopy (SEM). The cohesive strength of lacquer film attached by lacquer, bone glue, and PVAc was evaluated on specimens with three kinds of ground layer, including stucco with pig-blood, stucco with lacquer, and the ground layer with titanium dioxide. The permeation of lacquer, bone glue, and PVAc could be determined by SEM. The results shows that strong reinforcement can be achieved by strong cohesive strength of lacquer film, a suitable binding situation, and suitable permeation of the adhesive. Intermediate strength is obtained in the case of intermediate cohesive strength, an intermediate binding situation, and less then optimal permeation. Weak reinforcement results from weak cohesive strength, a poor binding situation, and insufficient permeation.
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