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The discovery of carbon nanotubes is one of the remarkable achievement in the field of material science and it is a great advancement of Nanotechnology.
It is commercially manufactured in various categories such as fibres, materials, gadgets and frameworks.
Properties of Carbon Nanotubes Physical properties Carbon nanotubes are innovative strong composite materials.
Polymer composites are very much helpful in packaging materials and they are used in the production of sports goods.
Bose, Carbon Nanotube Based Composites- A Review, Journal of Minerals & Materials Characterization & Engineering, 4 (2005) 31-46

Materials and Methods Materials Soil samples were taken from forest land, grass land, arable land, orchard soil and paddy soil which are located at Shenyang Agricultural University, Tianzhu Mountain (l41° 49′ N, 123° 34′ E).
The five kinds of soil have been classified as a Type Udic Luvisols formed from yellow soil parent material.
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Shotcrete bolt in tension mainly through to improve the stress state of surrounding rock, and the steel has a high tensile strength, therefore under the same loading condition, anchoring and shotcreting consumption materials than traditional support to less.
Table 1 is other material mechanics calculation parameters .
Chinese Journal of Rock Mechanics and Engineering，2007，26(6)：1265–1271
Journal of Liaoning Technical University (Natural Science), 2012,31 (2):155-158
Journal of Liaoning Technical University (Natural Science), 2001,20 (1):43-45.

Koru: The effect of various cooling strategies on surface roughness and tool wear during soft materials milling.
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Relation between surrounding rock displacement and its size of shaft on its self-weight body force condition Qinghai Deng1,2,a, Jiamo Xu3,b, Fengshan Ma3,c, Chunhe Yang4,d 1 College of Resources and Environment Science, Chongqing University, Chongqing 400044,China 2College of Geological Science and Engineering, Shandong University of Science and Technology, Qingdao 266510, China 3Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029,China 4State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071,China adqh2004@163.com, bxujiamo9999@sina.com.cn, cfsma@mail.iggcas.ac.cn, dchyang@whrsm.ac.cn Key words: Self-weigh t body force, Similarity theory, Dimensional analysis, Displacement Abstract: We derived the relation between surrounding rock displacement of shaft prototype and that of model on its body force condition of self-weight based on the similarity theory.
In practice, under the condition of the same material parameters, we designed 5 simulating schemes, which corresponded respectively such state as the radius of the shaft is 1m, 2m, 3m, 4m, 5m and 6m.
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Preparation and propertyof pore-gradient FeAl porous intermetallics, Materials Science and Engineering of Powder Metallurgy, 16(1)(2011) 44-49(in Chinese)
The development of research progress on oxidation of iron aluminides intermetallics at high temperature, Journal of Functional Materials, 43(Suppl) (2012) 29-32(in Chinese)
A review of development in corrosion of Fe3Al-base alloys, Materials Science＆Engineering, 3(1)(1995) 46-50(in Chinese)
High-temperature sulfidation behavior and application in SO2-containing gas cleanup of porous FeAl intermetallics, Materials Science and Engineering of Powder Metallurgy, 15(1)(2010) 38-43(in Chinese)
Research on the preoxidation performance of Fe3Al porous materials, Rare Metal Materials and Engineering, 41(8)(2012) 1435-1438(in Chinese).

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It is widely used as reinforcement phase for the preparation of high-performance composite materials, and has a great development value and a good application prospect [2, 3].
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Kablov, Materials and chemical technologies for aircraft engineering, Herald of the Russian Academy of Sciences. 82(3) (2012) 158-167
Grechnikov, Deformation of anisotropic materials: Reserves of intensification, Mashinostroenie, Moscow, 1998.
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Bobrovskiy Influence of Material Structure Crystallography on its Formability in Sheet Metal Forming Processes,  IOP Conference Series-Materials Science and Engineering. 286(1) (2018) 1-7.