Search results

The wedge of Raw material is large, and the wedge is larger than the crown.
Fig.3 The relationship between the crown and the wedge Exit of S5 raw material Exit of S2 Fig.4 The experiment about ribbing defect The production data and the experimental result show that it is risky to be found the ribbing defect if the raw material of cold mill has larger wedge than crown.
(3) Rolling plan optimization In order to improve the uneven wear of rolls, also in case of “cat ear” problem, we have the rolling plan optimization: For one thing is that, the length of all the cold rolled material arrangement within 70km; for another thing is the cold rolled materials with continuous rolling in the same width less than 30km (4) Roll management To make sure the original roll crown of rolls.
Fig.9 Wear roller contour of new back-up roll Fig.10 Wedge comparison of new roll contour to old roll contour Conclusion (1) The ribbing defect problem of cold roll strip has a lot to do with the section quality of hot rolled materials
Characteristics of backup roll wear contour in a CVC continuous hot rolling mill.Journal of University of Science and Technology Beijing[J], 2008.(30)5:558 [6] WANG Xiao-dong, LI Fei, WANG Qiu-na, LI Ben-hai, LI Bin.Research and Application of One Set Roll Contour Configuration Technology on Finishing Train of Hot Strip Mill[J].

However, serious study of this problem, namely formulating the diffusion laws, solubility of hydrogen in metals and alloys, and consequently, deterioration of the mechanical characteristics of metallic materials began only in the 1930s in connection with the development of metallurgical science and increased demands for metal strength, durability and reliability of machines, mechanisms, and structures.
Influence of Grain Size on Hydrogen Diffusion in Steel Use of technical materials involves a risk of the unknown influence of impurity atoms which can represent it as defects, differently influencing the mobility Н in the volume of grains and on their borders.
Beloglazov, Physical-chemical Mechanic of Materials (Ru), 1965 , v. 1, №3 , p. 268-282
Leningrad.: The Science, 1966, p. 361-368
Beloglazov, Physical-chemical Mechanic of Materials (Ru), 1966, v. 2, №5, p. 526-531

Influence of the Surfaces Characteristics on the Luminescent Property of Porous Silicon Yan-Li DINGa, Yue ZHAOb, Yue FENG, Xiao-Yan LIANG, Lin-Jun WANG, Jia-Hua MIN, Wei-Min SHI Department of Electronic Information Materials, Shanghai University, People's Republic of China ahahadyl@126.com, bzhaoyue1976@sohu.com Keywords: Porous Silicon, Luminescent Mechanism, Μ-Pcd, Photo-conduction, Surfaces Characteristics.
In addition, the recombination lifetime of the bulk minority carriers in semiconductor materials became an important electrical parameter, which depended on the quality of semiconductor material and significantly degraded by the presence of electrical active defect centers in bulk wafer, such as point defect (impurity centers or intrinsic defects) and crystal imperfections (micro-defects or dislocations).
Acknowledgements: This work was supported by Program for Changjiang Scholars, Innovative Research Team in University (No: IRT0739), Shanghai Leading Academic Disciplines (S30107), the National Natural Science Foundation of China (No. 60906043; No. 51102162) and Shanghai Natural Science Foundation (09ZR1409200).
Chinese Journal of Luminescence. 28(1), (2007): 101
Materials Science and Engineering B 96, (2002) : 53-59

If F (Kg/h), represents the mass of plant material processed per hour of extraction, a solid waste of approximately the same mass will be generated.
Buchbauer: Handbook of essential oils: science, technology and applications, Boca Raton: CRC Press, (2010)
Rakesh: Extraction Technologies for Medicinal and Aromatic Plants, International Center for Science and High Technology, ICS-UNIDO, Trieste, (2008) [6] F.
Masango: Cleaner production of essential oils by steam distillation, Journal of Cleaner Production (2005), 13: 833-839 [10] R.
Its physics, engineering, use, environmental impacts, economy and planning aspects, 3rd Ed., Elsevier Science, (2004) [31] Information on http://www.tecsol.fr/spv/pv_isole.htm

Materials Engineering, 1997, (11):43-44
Beijing: Science Press, 1987
Huazhong University of Science and Technology, 2008:1-94
Journal of Sound and Vibration, 1999, 225(4): 767-778
National Defenes University of Science and Technology, 2001: 24-35

ABAQUS™ FEA solver along with a UMAT material model was used to create an appropriate simulation.
Liu, “Visulisation study and analysis on preform growth in polyethylene terephthalate stretch blow moulding”, Journal of Applied Polymer Science, vol. 103, no. 1, pp. 564-573, 2007 [2] G.
Marco, “Identification of a strain induced crystallisation model for PET under uni- and bi-axial loading: Influence of temperature dispersion”, Mechanics of Materials, vol. 39, issue 6, pp. 596-609, 2007 [6] S.
Bellet, “Experimental study and numerical simulation of the injection stretch/blow moulding process”, Polymer Engineering & Science, vol. 38, no. 9, 1399-1412, Sept 1998 [13] M.
Velay, “Optimization of preform temperature distribution for stretch-blow moulding of PET bottles: Infrared heating and blowing modelling”, Polymer Engineering & Science, vol. 49, no. 4, pp. 783-793, 2009

Microstructure of the material after aging at 850 °С a, x 200 b, х 8000 Figure 3.
The new material has satisfactory values of the microhardness and plasticity coefficient.
In a short time of aging, the material obtains the liability to brittle fracture [7-10].
Liitjering, "Influence of Microstructure on the Mechanical Properties of Udimet 720 LI", Microstructure and Mechanical Properties of Metallic High-Temperature Materials (Eds.: H.
Kazanskii, The analysis of the main structural and mechanical characteristics of EP800 and E1893 alloys to optimize production of the first stage of a GTE-45-3 gas-turbine power plant, Journal of Machinery Manufacture and Relability.

The modal identification method has the advantage that it is non-destructive and can be used in the case of complex structures built from modern (like composite materials, shape memory alloys, and so on) or classical (like steel, aluminum or cast iron structures) materials.
Zakirov, et. al., Average Elastic and Strength Characteristics of a Honeycomb Core and a Theoretical-Experimental Method of their Determination, Mechanics of Composite Materials, 48 (2012), 511-524 [6] N.I.
Gdoutos, The Effect of Load and Geometry of the Failure Modes of Sandwich Beams, Applied Composite Materials, 12 (2005), 165-176 [8] V.E.
Kryutchenko, Elastic Properties of Honeycomb Sandwich Plates with Non-traditional Cell Forms, Mechanics of Composite Materials, 33 (1997), 132-135 [9] D.J.
Al., Experimental Researches Concerning the Properties of Composite Materials with Random Distribution of Reinforcement, Materiale Plastice, 46:1 (2009), 73-78 [11] I.

Journal Citation (to be inserted by the publisher ) Copyright by Trans Tech Publications Fabrication of Macroporous Scaffold Using Calcium Phosphate Glass for Bone Regeneration Y.
In addition, it should preferably exhibit osteoinductive characteristics in order to encourage rapid new bone formation although this may require the incorporation of biological factors with synthetic materials.
Several scaffold materials have been investigated for bone tissue engineering including calcium phosphates and synthetic and natural polymers.
Calcium phosphates are ideal candidates for scaffold materials because the mineral phase of the biological bone has been identified as an apatite structure.
The mixture of raw materials was melted in a platinum crucible at 1250 o C and quenched to room temperature.

Volatile organic compounds (VOCs) and semi-volatile organic compounds (SVOCs) respectively are produced from various household electronic appliances used indoors, building or decoration materials and a range of household items too.
There are more possibilities that children can come in direct contact with building materials used in indoor flooring, unlike ceiling and walls.
In particular, flooring materials containing DEHP offer opportunities wherein DEHP can accumulate in high concentrations due to bleed-out on the surface.
Little. (2013), Predicting emissions of volatile and semevolatile organic compounds from building materials: A review.
Salthammer. (2005), Plastics additives in the indoor environment-flame retardants and plasticzers; Science of the Total Environment, 339.