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Inks prepared by the traditional materials are usually made of wood oil soot, bone glue, borneol, musk, pepper, etc [1].
Chinese traditional materials have no environmental pollution.
A new black water based ink prepared by Chinese traditional materials is valid for screen printing.
Reference [1] Wei Zhang, Hongbing Liu, Shiqing Guo: Sciences of conservation and archaeology.
[2] Jueliang Zhou: Journal of the National Museum of Chinese History (2002), p. 33-38

Fabrication of Nanostructured Materials by Hydrostatic Extrusion: Advantages and Limitations Krzysztof J.
Kurzydlowski1, a, Malgorzata Lewandowska1,b 1 Warsaw University of Technology Faculty of Materials Science and Engineering, Woloska 141, 02-507 Warsaw, Poland a kjk@inmat.pw.edu.pl, bmalew@inmat.pw.edu.pl Keywords: Hydrostatic extrusion, nanostructured materials, processing, microstructure, mechanical properties Abstract.
A growing interest in nanostructured materials brought about development of their fabrication methods.
Further grain refinement requires, however, special techniques of materials processing.
As a result hard-to-deform materials can be processed by hydrostatic extrusion quite easily [12].

The models used for polishing of these materials are rather experimental models.
This model seems to give good results for different materials.
Experimental models are used for diverse materials.
Tournier: Journal of Materials Processing Technology, Vol. 209 (2009), p. 3665-3673
Mok: Journal of Materials Processing Technology, Vol.95 (1999), p. 191-200

Journal of Huazhong architecture, 2011 (8) : 37 to 40 [2] GaoYinying.
Journal of special structure, 2010 (5) : 81-84 [3] Zhang Jian.The development and application of architectural membrane material [J].
Journal of shanxi architecture, 2007 (2) : 159-160 [4] Fengjing.
ETFE membrane materials [J].
Journal of world architecture, 2009 (10) : 104-105

Acknowledgements This work was funded by the National Science Foundation of China (No. 51405282).
Journal of Materials Processing Technology, 2000, 101(1): 268~274
Key Engineering Materials, 2013, (579): 584~589
Journal of Materials Processing Technology, 1997, 63: 458~462
Journal of Materials Processing Technology, 1997, 63:463~467

An innovative approach to the material science has demonstrated that photocatalytic activity may be conferred to cement-based construction materials, such as concrete, mortars, paints, etc.
Addition of photocatalytic materials to the RC structure during its construction phase could reduce the corrosion problem of RC materials.
Higher pH value of cementations materials in presence of mixed photocatalyst reduces the corrosion problem of RC materials.
Kadhum: A review on the effect of carbonation and accelerated carbonation of cementitious materials and its consequence in waste treatment, Journal of Applied Sciences Research, 8(5): 2473-2483, 2012 [19] M.
Guerrini, ‘Photocatalysis of cementitious materials’, RILEM Int.

Variable composition and characteristics undermine customers’ confidence who prefers primary materials with certified properties and at more competitive value/cost.
Waste type segregation, heterogeneity and material degradation during service life become the main drawbacks for quality assurance and acceptance of secondary materials.
Reused and recycled materials are being regulated and they do not have specific technical barriers, but these materials face clear competition in the market with primary materials (e.g.
CE marking has less traceability requirements for primary materials).
Ideker, "Cracking susceptibility of concrete made with coarse recycled concrete aggregates," Construction and Building Materials, vol. 102, no.

Lin, Powers-Couche, et al., Microstructures of fire-damage concrete, ACI Materials Journal. 93 (1996) 199-205
Gambarova, Effect of high temperature on the residual compressive strength of high strength siliceous concretes, ACI Materials Journal. 95 (1998) 395-406
Samb, Pore structure of cemented tailings materials under natural or accidental thermal loads, Materials Characterization. 59 (2008) 598-605
Wu, Effect of ettringite structural transformation on expansive behavior of expansion cement, Journal of Inorganic Materials. 18 (2003) 137-142
Harmathy, Thermal properties of concrete at elevated temperature, ASTM Journal of Materials. 5 (2000) 47-74.

They are of hard to machine materials.
But these materials are difficult-to-machine materials[2,3].
Zhang: Journal of Chongqing University (Natural Science Edition) Vol. 31 (2008), pp.598-602.
Huang: Materials Science Forum Vol. 626-627(2009), pp.617-622
Iost: Journal of Materials Science Vol. 38 (2003), pp.2525-2536

Especially, considering the scarcity of studies about tropical wood materials, it is more important to determine the specific work by the experimental approach.
Notwithstanding some studies about the effect of technological factors on the cutting power of some woods [3, 4], there existed no study about the milling power of tropical wood materials.
Mechanical properties of cutting tool material C Si Mn Ni S P Cr V Ti Cu 0.8-0.9 0.1-0.4 0.15-0.45 0.9-1.3 ≤0.03 ≤0.03 5-6 0.3-0.5 0.05-0.15 ≤0. 3 The processed materials were tropical woods with dimensions as follows: length of wood samples lw = 1000mm, width b = 20 ... 22mm.
At the same time, the depth of the deformed material layer becomes thicker, resulting in a significant rise in the friction between machine tools and materials.
Wang, "Effect of the helix angle of router bits on chip formation and energy consumption during milling of solid wood," Journal of wood science, vol. 48, pp. 126-131, 2002