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The high anisotropy in the as-primary processed AZ31 materials is unfavorable with regard to its formability near the room temperature.
Figure 4 show the optical photographs of the materials after DSR at (a) 150, (b) 250 and (c) 350°C, respectively, with the same reduction ratio of 70%.
Lee : Journal of Materials Processing Tech.
Jeong : Materials Science Forum Vols. 419-422 (2003), p. 201 [6] H.S.
Kim : Materials Science Forum Vols. 475-479 (2005), p. 549 [7] T.

The material element.The designer should design different appearance design according to different materials.
The emergence of new materials constantly with the progress of science and technology.As body for representation, not only does material maintain the functional form of a product, but also becomes the only object which is directly seen and touched by users.
Meanwhile,the new materials bring higher demands of design.The choice of materials based on life cycle design should comply with the following principles.[1] For one thing,we should avoid using the not environmentally friendly materials and additives, our goal would be to use fully-recycled materials and non-toxic materials.Using the green materials meet the full life cycle design requirements in the very great degree.
Another，saving raw materials can avoid the waste of resources too.
For one ting,Ergonomics is a marginal subject of modem design and is a symbol of science and humanism of modern design.

Smart materials, such as piezoelectric lead zirconate titanate (PZT) patches and polyvinylidene fluoride (PVDF), have been used extensively as distributed sensors and actuators[1, 5-7], but they can not suppress the vibrations rapidly because of their limited force outputs.
Ye: Aerospace Science and Technology Vol.13 (2009) p.277
Yang: Journal of Sound and Vibration Vol.275 (2004) p.917
Liu: Journal of Sound and Vibration Vol.296 (2006) p.567
Sun: Yuhang Xuebao/Journal of Astronautics Vol.30 (2009) p.1537.

Introduction Due to unavoidable factors such as manufacturing errors, assembly errors, and deformation of elastic materials, the gear ratio of a pair of gears is not constant.
However, due to unavoidable interference factors such as deformation of elastic materials, assembly errors, and manufacturing errors, the angular displacement of output gear does not comply with Eq. (1).
Kim: Computerized Design, Generation and Simulation of Meshing of Modified Involute Spur Gears with Localized Bearing Contact and Reduced Level of Transmission Errors, Transactions of the ASME, Journal of Mechanical Design, Vol. 119 (1997), pp. 96-100
Chen: Mathematical Models, Meshing Analysis and Transmission Design for a Robust Cylindrical Gear Set Generated by Two Blade-Disks with Parabolic Cutting Edges, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, Vol. 218 (2004), pp. 1539-1553
Lee: Manufacturing Process for a Cylindrical Crown Gear Drive with a Controllable Fourth Order Polynomial Function of Transmission Error, Journal of Materials Processing Technology, Vol. 209 (2009), pp. 3-13.

EXPERIMENT Materials used and conditions of atmosphere Low carbon steel and copper in D-tube for air conditioner, and a silver-base filler metal were employed in this investigation.
(2) Chung-yun Kang, 2000, "Brazing Defect", Journal of Korean Welding Society, Vol. 18, No. 6, pp.672~674
Nair, 2003, "Microstructural analysis and discontinuities in the brazed zone of copper tubes", Journal of Materials Processing Technology, Vol. 141, No. 302 (4) Mandal S.
K., 2004, "Correlation between the Mechanical Properties and Microstructual Behavior of Al203-(Ag-Cu-Ti) Brazed Joints" Mechanical Science and Engineering, A Vol. 383, No. 2, pp. 235~244
C. and Zhou H., 2004, "Microstructure and Strength of Brazed Joints of Ti3Al-Base Alloy with niCrSiB," Materials characterization, Vol. 52, No. 4~5, pp. 309~318

Journal of the Chinese Ceramic Society, 2011, 39(1):152-157.
Journal of Shandong Jiaotong University, 2013, 21(1):78-82.
Materials Science and Technology, 2011, 19(2):122-125.
Advanced Materials Research, 2011, (291-294):1526-1531
Advanced Materials Research, 2013, (652-654):1427-1431.

This is a waste pile material.
The contact stiffness is taken as the elastic modulus of corresponding material.
In the design of combined composite foundation, the highest carrying capacity and the most provincial materials will be achieved when the core-pile length is designed according to the optimal ratio.
The highest carrying capacity and the most provincial materials will be achieved when the core-pile length is designed according to length ratio. 2.
Vol.21 (2005), p.56 (in Chinese) [6] Guilin Sheng, Shutian Lu, Peng Bao and Jie Zhao: Journal of Henan University (Natural Science).

The office apparatus in many enterprises are commonly shared, so faxed or printed materials tends to be seen by a lot of people, thereby increasing the risks of information leakage.
Tong: Materials Science and Engineering A Vol.499 (2009) No.1-2, p.230-233
Tang: Key Engineering Materials Vols.375-376 (2008), p.445-448
Liu: Journal of Jilin University(Engineering and Technology Edition)  Vol.37 (2008) No.1, p.84-88
Guo:Key Engineering Materials Vols. 315-316 (2006) p. 361-365

Acknowledgement The work is supported by Science and Technology Development Program of Shandong (Grant No. 2010GGX10421) and Program for New Century Excellent Talents in University (2007).
References [1] K.Komori and K.Koumura: Journal of Materials Processing Technology Vol.105 (2000), p.24 [2] G.M.
Ma: International Conference on Physical and Numerical Simulation of Materials Processing (Zhengzhou, China, January, 2007) [3] H.L.
Chen: Journal of System Simulation, Vol. 19 (2007), p.19 [5] G.M.
Chen: Materials for Mechanical Engineering, Vol. 30 (2006), p.62

Acknowledgment This work is supported by the Science and Technology Major Program (2014HZ0005) of Fujian Province, China.
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