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Furthermore the material of rock-mess was based on anisotropic nonlinear and joints.
And support material is assumed to linear elastic.
Chinese Journal of Geotechnical Engineering.
Chinese Journal of Rock Mechanics and Engineering.
Rock mechanics and engineering journal.

Smart Material and Structures, 7(5), 674-692
Journal of Structural Engineering, 47A(3), 9-18
Applied Mechanics and Materials, 226-228, 1609-1613
Journal of Engineering Mechanics, 117(5), 1021-1036 [20] Sanayei, M., and Onipede, O. (1991b).
Journal of Structural Engineering, 123(6), 792-798

Chemical Recycling of Epoxide-anhydride Hardened Networks Using Near-critical Water Liu Yuyan1,a, Wu Songquan1,b, Li Li2,c, Liu Yuting1,d,Shan Guohua1,e 1School of Chemical Engineering and Technology, Harbin Institute of Technology, P.R.China 2Department of Materials Science and Engineering, Carnegie Mellon University, USA aliuyy@hit.edu.cn, bwusongquan@hit.edu.cn, clili86283411@gmail.com, dliuyuting5432@163.com, esgh.kaoyan@163.com Keywords: Epoxy resin; Near-critical water; Recycle; Decomposition Abstract.
The applications for epoxy-based materials are extensive including coatings, adhesives and composite materials such as those using carbon fiber and fiberglass reinforcements.
Decomposition mechanism of epoxide-anhydride hardened networks Acknowledgement The authors gratefully acknowledge the financial support by the National Science Foundation of China under grant by No.50973023 and No. 50773016 and Program for New Century Excellent Talents in University(NCET-09-0060).
Madden: Journal of Materials Processing Technology.
Hyde: Composites Part A: Applied Science and Manufacturing.

However, the main problem in producing high quality GaN films is the absence of suitable substrate materials, since bulk GaN in wafer size is not available.
From the literature, the E2(high) mode varied widely from 564.9 to 571 cm-1 [11-13,17], depending on the growth parameters, purity of the materials and as well as the quality of the films.
Kordesch, Journal of Physical Science, Vol. 12 (2001), p. 12 [4] K.
Buyanova, in: GaN and Related Materials, edited by Stephen J.
Akasaki, Materials Science and Engineering Vol.

Carrier gas is important in which raw materials produced without carrier gas contained many impurities of amorphous carbon and a number of carbonaceous particles around the CNTs, which have not formed CNTs [9].
Based on reported study, formation of bimetallic catalyst of Co and Fe probably assist in homogeneous dispersion of metal particles of support materials in the formation of higher quantities of CNTs [8].
The SEM micrographs of the MWCNTs shown in figure 1 demonstrated that MWCNTs grew densely over trimetallic catalysts with starting material of palm DHSA.
Salmiah, International Journal of Engineering and Technology 3 (2006) 115-124
Li, Materials Letters 60 (2006) 159-163

In particular, lightweight materials are in demand for carbon dioxide emissions reduction.
Kim, "Continuous Casting and Rolling for Aluminum Alloy Wire and Rod", Materials Science Forum, 638-642(2010)255-260
Jabłoński, Effect of Iron Addition to Aluminium on the Structure and Properties of Wires Used for Electrical Purposes, Materials Science Forum, 690(2011)459-462
Gold, Solidification Conditions and Microstructure in Continuously Cast Aluminum JOURNAL OF METALS April 1982, Volume 34(1982)28–34
[10] Toshio Haga, Ryusei Tahara, Hisaki Watari, Shinichi Nishida, Casting of Wire Using a Twin Wheel Caster, Key Engineering Materials, 904(2021)137-142.

Research on the behavior of materials subjected to multiaxial loadings are closely related to areas such as physics, chemistry, mathematics and computer science and seeks to generate ideas, methods and concepts to provide precise answers to industrial and scientific problems and challenges.
Knowing and understanding behavior of materials in plane and spatial stress state is essential in design of machine elements and structural elements.
For materials with ductile preponderantly behavior, failure is initiated by the action of shear stresses.
Tiernan, A review of planar biaxial tensile test systems for sheet metal, Journal of Materials Processing Technology, 198 (2008) 1-13
Khraisheh, Cruciform-shaped specimens for elevated temperature biaxial testing of lightweight materials, JOM, 61 (2001) 48-56

Comparation with performance of bamboo fiber reinforced starch-based foams with different foamer* ZENG Guangsheng1, 2,a, LIN Ruizhen1, 2, ZHENG Liangjie1, 3, MENG Gong1, 2, CHEN Lei1, 2 1Key Laboratory of New Materials and Techno logy for Packaging of China National Packaging Corporation, Hunan University o f Technology, Zhuzhou 412008, China; 2Key Laboratory of Advanced Materials and Technology for Packaging of Hunan Universities, Hunan University o f Technology, Zhuzhou 412008, China; 3Guangxi University, National key Laboratory of non-ferrous metal and materials processing technology, Guangxi, Nanning 530000, China aGuangsheng_Zeng@126.com **Corresponding author: Guangsheng Zeng, (1975-) , PHD, interested in polymer processing and engineering.
Starch has become an important raw material in research of biodegradable materials and their application due to their abundance sources, low price, biodegradability.
Secondly, the starch-based foam can be completely biodegradable in the natural environment and its final products are CO2 and H2O, free from polluting to the environment, called a green buffer packaging which has the same function to the traditional corrugated cardboard, so it can replace the foamed plastic and paper, widely used in packaging industry such as electrical equipments , breakables and so on. 2 EXPERIMENTAL PROCEDURES 2.1 Material Conventional cornstarch was obtained from market made in Zhuzhou.
* This work was financially supported by the national natural science foundation of China (61174100) and the science and technology project of Hunan Province (2010JT4039).
Warren, Twin-screw extrusion modification of a corn fiber and coin starch extruded blend, Journal of Food Science. 55(1990)746~754.

Basically, polymer materials are on fire straightforwardly because under sufficient heat, polymer material produces combustible product lead to originate and propagate the fire.
Hence, it is enviable for all the polymer materials to own certain flame retardance properties to overcome the major fire issue.
The material was allowed to flow through the die.
Acknowledgments Special thank to Ministry of Science Technology & Innovation through the valuable Science Fund Grant of 03-01-01-SF0636.
References [1] Honghai Huang; Ming Tian.; Li Liu.; Wen Liang.; Liqun Zhang, Effect of Particle Size on Flame Retardancy of Mg(OH)2-Filled Ethylene Vinyl Acetate Copolymer Composites, Journal of Applied Polymer Science, Vol. 100, 4461- 4469 (2006) [2] Yeh, J.; Yang, H.; Huang, S.

Influence of Extraction Process (Pre-Treatment Time) on the Characteristic of Black Tilapia Fish Skins Gelatin Norhasikin ISMAIL1,a, Hasan Zuhudi ABDULLAH1,b 1Department of Materials and Design Engineering, Faculty of Mechanical and Manufacturing Engineering, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Batu Pahat, Johor, Malaysia anhasikin@uthm.edu.my, bhasan@uthm.edu.my Keywords: Black tilapia, Fish gelatin, FTIR Abstract.
Generally, production of gelatin involves three steps which is starting from pre-treatment of raw materials, thermal extraction and recovering process that include evaporation and drying processes.
Materials and Method Materials and Reagents.
The superfluous material from the fish skins were removed by cleaning and rinsing with running tap water.
Journal of Food Science, Food Science 67 (2002) 2172–2176 [7] N.