Papers by Author: Hong Xia Jiang

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Authors: Ji Hong Liu, Ru Ru Pan, Wei Dong Gao, Hong Xia Jiang
Abstract: The automatic segmentation of flaws and acquisition of parameters in woven fabrics has been achieved. However, the problem is that information of gray information of float is difference with real fabric. It is important to use a fabric that includes the total information of woven fabrics, meanwhile, the fabric was illuminated even. To solve the problem, in this research, images of virtual woven fabrics of plain were developed in order to research the methods of automatic segmentation of flaws and acquisition of parameters in woven fabrics using the images of real woven fabric. The warp and weft float in the fabric were cut from the scan image of real fabric. The fabrics included main information of interlacing of warp and weft, the count, weaving density, and reflection property of real float. It was possible that the fabrics could be used to discuss the problem proving robustness of the algorithms by adding unique flaw to the fabric.
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Authors: Hong Xia Jiang, Qing Qing Ni, Toshiaki Natsuki
Abstract: Carbon nanotubes (CNTs) reinforced natural rubber (NR) composite was fabricated in a solvent casting method. The tensile properties and electrical resistivities were investigated. As a comparison, carbon black (CB) reinforced NR was also prepared in the same method. The initial modulus of NR/3 wt% CNT composite was about 1.6 times as large as that of NR/ 3wt% CB composite. NR/CNT composite had a percolation threshold value of about 5 wt% CNTs. The morphology of fillers and composites were observed by transmission electron microscopy (TEM) and scanning electron microscopy (SEM). The improved properties of NR/CNT composites were attributed to the excellent mechanical and electrical properties of CNTs and its formed network, which must be benefit to electromagnetic interference shielding properties of NR composites.
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Authors: Hong Xia Jiang, Qing Qing Ni, Toshiaki Natsuki
Abstract: Carbon nanotubes (CNTs) reinforced natural rubber (NR) composites with the CNT contents of 1, 3, 5, 10 and 20 wt% were synthesized using a solution casting method. The morphology of the composites was observed by scanning electron microscopy and Fourier transform infrared spectroscopy. It was found that CNTs were well distributed into NR and there was an excellent interface between CNTs and natural rubber. The mechanical properties of the composites were investigated by dynamic mechanical analysis (DMA) test and tensile test. It was found that the increment of storage modulus of NR/CNT composites was about 0.42 MPa/wt% in the rubbery state which agreed well with the results of tensile test. The large modulus increment confirmed the reinforcement effect of carbon nanotubes.
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