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Title: Effects of nano-aluminum nitride on the performance of an ultrahigh-temperature inorganic phosphate adhesive cured at room temperature
Authors: Ma, CK
Chen, HL
Wang, C
Zhang, JF
Qi, H
Zhou, LM 
Issue Date: 2017
Source: Materials, Nov. 2017, v. 10, no. 11, 1266
Abstract: Based on the optimal proportion of resin and curing agent, an ultrahigh-temperature inorganic phosphate adhesive was prepared with aluminum dihydric phosphate, aluminium oxide (-Al2O3), etc. and cured at room temperature (RT). Then, nano-aluminum nitride (nano-AlN), nano-Cupric oxide (nano-CuO), and nano-titanium oxide (nano-TiO2) were added into the adhesive. Differential scanning calorimetry was conducted using the inorganic phosphate adhesive to analyze the phosphate reactions during heat treatment, and it was found that 15 wt % nano-AlN could clearly decrease the curing temperature. Scanning electron microscopy was used to observe the microphenomenon of the modified adhesive at ultrahigh-temperature. The differential thermal analysis of the inorganic phosphate adhesive showed that the weight loss was approximately 6.5 wt % when the mass ratio of resin to curing agent was 1:1.5. An X-ray diffraction analysis of the adhesive with 10% nano-AlN showed that the phase structure changed from AlPO4(11-0500) to the more stable AlPO4(10-0423) structure after heat treatment. The shear strength of the adhesive containing 10% nano-AlN reached 7.3 MPa at RT due to the addition of nano-AlN, which promoted the formation of phosphate and increased the Al3+.
Keywords: Inorganic phosphate adhesive
Modified
Ultrahigh-temperature
Room temperature curing
Shear strength
Publisher: Molecular Diversity Preservation International (MDPI)
Journal: Materials 
EISSN: 1996-1944
DOI: 10.3390/ma10111266
Rights: © 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
The following publication Ma, C., Chen, H., Wang, C., Zhang, J., Qi, H., & Zhou, L. (2017). Effects of nano-aluminum nitride on the performance of an ultrahigh-temperature inorganic phosphate adhesive cured at room temperature. Materials, 10(11), 1266 is available at https://doi.org/10.3390/ma10111266
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