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Synthesis and in Vitro Bioactivity of Hydroxyapatite/Polyamide66 Nanocomposite Chen You a, Minfang Chen b, *, Rongzhen Shen c and Debao Liu d School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384 a youchentj@126.com, b mfchentj@126.com, c rzshen@126.com, d dbliu@126.com Keywords: Gelatin coated hydroxyapatite, n-HA/PA66 nanocomposites, bioactivity Abstract.
Since then, in vivo bioactivity of composite implants had been evaluated by apatite formation in SBF. [8] Materials and Methods The homogenous composite of 40wt%n-HA and 60wt%PA66 were chemically snythsised in our lab,[9] and then dried at 60 oC for 72 hours.
Acknowledgements Authors thank the support of the project from National Natural Science Foundation of China (Grant No. 51071108).
References [1] Mann S and Ozin G A, Nature, Vol. 365 (1996), p. 499 [2] Stupp S I and Braun P V, Science, Vol. 277 (1997), p. 1242
[3] Chang M C, Ko C C and William H, Biomaterials, Vol. 24 (2003), p. 2853 [4] Huang M and Li Y B, J Mater Sci.: Mater in Med, Vol. 14 (2003), p. 655 [5] Chen M F and Tan J J, Applied Surface Science, Vol. 254 (2008), p. 2730 [6] Wei Jie and Li Yubao, European Polymer Journal, Vol. 40 (2004), p. 509 [7] Kokubo T and Takadama H, Biomaterials, Vol. 27 (2006), p. 2907 [8] Wu G, Su B, Zhang W G, Wang C, Materials Chemistry and Physics, Vol. 107 (2008), p. 364 [9] Shen R Z, Chen M F, Liu D B, Jounal of Inorganic Chemistry, Vol25(2009), p. 236

It is known in literature that different damage modes occur during fatigue life of composite materials.
For non-isotropic materials moduli need to be measured in different loading directions.
Reisnider (Ed.), Fatigue of Composite Materials, Elsevier Science Publishing Inc., New York, 1991, pp. 11-77
Reisnider (Ed.), Fatigue of Composite Materials, Elsevier Science Publishing Inc., New York, 1991, pp. 105-180
[4] ASTM D3039/D3039M-08, Standard Test Method for Tensile Properties of Polymer Matrix Composite Materials, 2011

Polydopamine (PDA) materials also have attracted widely attentions since Messersmith etc. reported PDA material could firmly adhere to almost all surface of materials [14].
However, PDA materials, used to be filler to construct nanocomposite hydrogels, is still unexplored.
Experment Materials.
Emerging applications of stimuli-responsive polymer materials.
Journal of Colloid and Interface Science. 349 (2010), 106-113

Other extensions like composite profile extrusion and energy efficient extrusion of profiles from scrap materials like chips support the material lightweight construction.
Introduction Lightweight construction is a multidisciplinary engineering science with great growth dynamics, which requires a holistic technological approach covering the whole system “design-material-manufacturing”.
The elements are delivered separate from the base material through boreholes.
As base material common aluminum or magnesium alloys were used.
Zäh, Advanced manufacturing and design techniques for lightweight structures, International Aluminium Journal, Volume 87 (2011) pp. 60-64

The optical fiber sensors embedded in the slot by a different bonding material before the experiment, so that fiber optic sensors are bonded reliably.
Xi’an: Xi’an University of Science and Technology [2] CHAI Jing, ZHU Lei, WEI Shi-ming, et al.
Journal of Engineering Geology, Vol.16(2008), p.135(In Chinese) [5] WU Z S, TAKAHASHI T, SUDO K.
Journal of Light wave Technology, 2001, 19(11): 1698~1704
Journal of Wuhan University of Technology, Vol.31(2009),p.10(In Chinese) [12] Cai Mei-feng, Qiao Lan, Yu Bo, et al.

Experimental materials and specimens.
Acknowledgments The project is supported by National Natural Science Foundation of China (No.11132004 and No. 51078145) and Guangdong Province Natural Science Foundation of China (No.9251064101000016).
Shahrooz, Environmental durability of externally bonded FRP materials intended for repair of concrete structures [J], Construction and Building Materials, 2011, 25: 2528–2539
Construction and Building Materials, 2004, 18 (7): 491-503
Journal of Materials in Civil Engineering, 2013. doi:10.1061/(ASCE)MT.1943-5533.0001008

One of the solutions to these issues is using a sustainable building material made of recycled materials, which has high thermal insulation properties.
Experimental Program Materials and Mixture Proportion.
Finally, all materials were mixed for an additional 120 seconds.
Kim, “Effects of waste soda-lime glass sand and glass fiber on physical and mechanical properties of none-autoclaved aerated concrete,” Materials Science Forum, Vol. 1023, pp 141–146, 2021. https://doi.org/10.4028/www.scientiÕc.net/MSF.1023.141
Ingham, “Effect of Waste Glass on the Properties of Concrete,” Journal of Materials in Civil Engineering, vol. 26, Issue 11, 06014022, 2014. https://doi.org/10.1061/(ASCE)MT.1943-5533.0001077

Introduction The composites have been widely used in aerospace and other industries as structural materials for decades for their superior mechanical performances and light weight properties.
A fundamental issue during the use of structural materials is to know their strength and carrying capacity.
Composites Part A: Applied Science and Manufacturing 2011, 42, (9), p1217-1228
Journal of Reinforced Plastics and Composites 2012, 0731684412453214
Composites Science and Technology 2004, 64, (3), p395-448.

Dynamic Prediction of Rolling Bearing Friction Torque Using Lyapunov Exponent Method Xintao Xia1,a and Taomei Lv2,b 1 Mechatronical Engineering College, Henan University of Science and Technology, Luoyang 471003, China 2 Mechatronical Engineering Department, Henan Quality Polytechnic, Pingdingshan 467000, China axiaxt1957@163.com, blvtaomei2007@163.com Keywords: chaotic system; rolling bearing; friction torque; time series; prediction.
Acknowledgements This project was funded by the National Natural Science Foundation of China (Grant No. 51075123), the Natural Science Research Project of the Education Department of Henan Province (Grant No.2010B460008), and the Doctoral Scientific Research Initiation Fund of Henan University of Science and Technology (Grant No. 09001318).
Meng: Applied Mechanics and Materials Vols. 26-28 (2010), p. 88
Meng: Journal of Testing and Evaluation Vol. 38(2010), p. 291

Design of Pitch Curve of Internal-curved Planet Gear Pump Strain in Type N-G-W Based on Three-order Ellipse Chao Wanga, Zhenhui Luanb , Weipeng Gaoc Mechanical Engineering school, Anhui University of Science and Technology, Huainan, Anhui, 232001, China ahxjxwangchao@126.com, bzhluan@aust.edu.cn, cweipeng87@126.com Keywords : Three-order elliptic, Closed condition, Teeth uniformly distributed, Design process of pitch curve.
Acknowledgements This work is supported by Anhui Provincial Natural Science Research Projects in Colleges and Universities (KJ2012A075).
Journal of Anhui University of Science and Techn0logy(Natural Science), Vo1.30(2010) NO.2,p.17.
[2] Z.H.Luan:Research on Non-circular Planetary Gear Pump.Advanced Materials Research Vol. 339 (2011) p 140-143