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The mistake is pointed out finally, and correcting until no wrinkling and cracking. 1.2 Expanding blank using DYNAFORM Choosing the material DQSK,its’ thickness is 1.2mm,as Fig2.
Fig2 The workpiece and its’ material Then output compounding(using igs format),as Fig3,it also can be input UG for the next step.
Acknowledgements The national natural science foundation of china(30972399) ;"Eleventh Five-Year" plan supported by key project of National Science and Technology (2009BADB1B0304-5)；Scientific research financial project aided by education department of Hunan Province（09C1017）.
Journal of Engineering Design，2008，15（1）：77-78.
Die design method for sheet spring back, International Journal of Mechanical Sciences,2004,46(7):1097-1113

Inflation increases the cost of materials, labour, and other inputs, leading to budget overruns, delays, and in some cases, the use of substandard materials, which compromise project quality.
Inflation has a substantial impact on all key construction materials [13].
Impact on materials quality and workmanship.
PM World Journal, 3(4)
British Journal of Applied Science & Technology, 12(1). https://doi.org/10.9734/bjast/2016/19951

Study on Preparation of Porous ZnO Microspheres and Photocatalytic Performance Leilei Qi School of Science, Sichuan University of Science & Engineering, China Keywords: ZnO; Porous microspheres; Solvothermal method; Nanometer material Abstract.
ZnO is the most abundant morphology in semiconductor materials for metal oxide, its photocatalytic performance dependent on the morphology and structure of ZnO, and has been reported to demonstrate a multi-level structure of ZnO micro nano materials that can exhibit better photocatalytic properties.
ZnO nano materials (1) The structure of the Zinc Oxide Zinc Oxide is a wide direct bandgap II-VI semiconductor material, there are three kinds of crystal structure, as shown in Figure 1 [7]: square rock salt, zinc blende structure and six wurtzite structure.
Zinc Oxide preparation of nano materials have been widely studied in recent years, Zinc Oxide a wide variety of nanostructures have been prepared, including Zinc Oxide nanoparticles.
Nanometer material and its application[J].Journal of Zhoukou Normal University,2005, 22 (2): 27-29

Now people on the adhesive bonded joints on hygrothermal aging resistant performance although have many methods, but the limited simulation environment and material aging properties between the rules, cannot really reflect the changes of properties of materials in the myriads of changes, the actual conditions in addition, although non metal bonding joint material does not exist formation potential corrosion, but the glued non-metallic materials, water swelling and hydrolysis and other issues, to study the hygrothermal aging is more complex.
These methods are not only suitable for metal materials, and suitable for surface treatment of non metallic materials.
International Journal of Adhesion and Adhesives, 1995, 15(3): 137-142
Accelerated aging tests for evaluations of a durability performance durability performance of glass-fiber reinforcement polyester composites[J] Journal of Material Science and technology,2009 (6) :572-576
Polymer based composite material aging research progress of [J]. fiber reinforced materials engineering, 2011 (7): 85-89.

Introduction The carbon felt refers to a class of non-metallic solid materials, which carbon as the main ingredient, due to the 90% gap in the carbon felt, so the thermal insulation properties of it in a vacuum or inert atmosphere is very advantageous.
Experiments using self-made chemical vapor deposition equipment，A diagram experiment device is shown in Fig. 1.Materials used polyacrylonitrile fiber felt (PAN) produced by jiangsu yixing Tianniao company, The properties of material as shown in Table 1.Zhaoxin RXN-6020 type dc current as the heating equipment.
Acknowledgements This work was supported by the National Natural Science Foundation of China(No.51165006).
Journal of Materials Science, 1994(29):338-344
Journal of Inorganie Materials 2004.19(5);1118-1122 [6] He Fu.The electrothermal property and appliacation of carbon fiber[J] new chemical materials.2005, 33 (6):7-8 [7] Cao Wei-wei, ZHU Bo, ZHANG Min, WANG Cheng-guo.Influence of Twisting and Weave Process on the Electro-thermal Radiant Property of PAN based Carbon Fiber Electric Heating Element[J].Materials for Mechanical Engineering.2007, 31 (9):26-28 [8] Huang Xiaomei, Ji Tao and Yu Jin.

Experimental Materials The sewage sludge used in the experiment was taken from the dehydration room of Lanzhou Yan Erwan Sewage Treatment Plant.
Based on references and experimental results that have been obtained, the best C/N ratio of raw composting materials was from 25 to 35.
Due to the fact that the C/N ratio of sludge ranged from 5 to 8 and the ratio of sawdust was about 200, the dry mass ratio 7:1 of the both materials was determined.
Massiani: The Science of the Total Environment, Vol. 241(1999), P. 161 [10] Yunqin Lin and Shaoqi Zhou: Ecology and Environment, Vol. 17(2008), P. 940 In Chinese [11] LAKE D L: Journal Environmental Quality, Vol. 13(1984), P. 178 [12] A.
Yan: Waste Management & Research, Vol. 28 (2010), P. 1133 [16] Heechan Cho, Dalyoung Oh and Kwanho Kim: Journal of Hazardous Materials, Vol. 127 (2005), P. 187 [17] Juanlin Fu, Mingkui Zhang and Changyong Huang: Journal of Ecology and rural Environment.

Material properties shown in Table 1.
Acknowledgements This work was supported by National Science and Technology Major Project of China Grant No. 2009ZX04014-033 and National Natural Science Foundation of China Grant No. 50905004.
Hwang: Journal of Sound and Vibration, Vol. 212(1998), p. 469-479
Chou: Journal of Sound and Vibration, Vol.125(1988), p. 487-502
Beards: Journal of Vibration and Acoustics.

The material properties are shown in Figure 2.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (61163048), the Aviation Science Foundation of China (2012ZF56027), and the Scientific Research Foundation of Key Laboratory of Nondestructive Testing, Ministry of Education (ZD201129007).
In Chinese [4] Bing Guo, Qiang Gu and Feng Liu: Journal of Building Structures.
In Chinese [5] Cavidan Yorgun and Güliz Bayramoglu: Journal of Constructional Steel Research.
Vol. 57(2001), p. 1309 [6] Yang Si, GuoQiang Li and KunChao Hao: Journal of Building Structures.

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