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This paper presents an analytical approach to thermal behaviors of laser welding of polymers. Laser polymers processing leads to various thermal, photophysical, and photochemical processes within the bulk and on the material surface. The understanding of these processes is beneficial to obtaining the high quality precision engineering of polymers. The Green's function of a multi-layer plate for the...
The SrTiO3 and Y-doped SrTiO3 polycrystalline sintered bodies were synthesized by the polymerized complex (PC) process and the subsequent hot pressing at 1473 K for 1 h or at 1673 K for 2 h in Ar atmosphere. The X-ray diffraction patterns of the SrTiO3 and Sr0.9Y0.1TiO3 samples synthesized by the PC process and hot pressing at 1473 K showed that these samples were mostly composed of the SrTiO3 single...
The thermal deterioration of oil immersed paper was investigated by mass spectrometer and gas chromatograph. The results obtained are as follows: 1. It was shown that a new assembly using a mercury diffusion pump and Topler pump is very effective for extracting small amounts of gas from oil. 2. The thermal deterioration of kraft paper in oil can be studied over a wide temperature range from high temperatures...
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