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Non-uniform Contact and Friction Sensitivity on Formability of Boron Steel in Hot Stamping Process Yong Liu, Zhongxiang Gui, Zhigao Huang, Yilin Wang* and Yisheng Zhang* State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology，Wuhan 430074, P.R.
In the field of material forming, numerical simulation has the ability to forecast the forming defect and qualitatively or quantitatively study the effect of some parameters on the results, reducing the cost of time and materials.
MAT_106 material model in LS-DYNA software namely thermal viscoelastic plastic material was chosen.
Tekkaya, A review on hot stamping, Journal of Materials Processing Technology. 210 (2010) 2103-2118
[2] Zhong-xiang Gui, Wei-kang Liang, Yong Liu, Yi-sheng Zhang, Thermo-mechanical behavior of the Al-Si alloy coated hot stamping boron steel, Materials & Design. 60 (2014) 26–33

Journal of Management Sciences in Chinese, 2009, 12(4):115-128
Journal of MarketingResearch, 1979(16): 64-73
Journal of Educational Psychology, 1951, 42(5): 318
Journal of Marketing Research, 1979, XVI (February): 64–73
Management Science, 40(3): 285-304.

The second, based on life cycle assessment (LCA), studies all the stages including product design, process design, development, material procurement, transport, distribution, usage, maintenance, recycling [8].
Mukherjee, “Study of fuzzy-AHP model to search the criterion in the evaluation of the best technical institutions: A case study”, International Journal of Engineering Science and Technology, Vol. 2(7), (2010), 2499-2510
Zaeri, “Project selection by using fuzzy AHP and TOPSIS technique”, World Academy of Science, Engineering and Technology Vol. 30, 333-338, (2007)
International Journal of Information and Systems sciences, 1(3-4), 406-412, (2005)
Li, “Evaluation approximation to utility function of green product”, Chinese Journal of Mechanical Engineering, Vol. 41(10), (2005).

Gas Sensing Characteristics of ZnO-doped SnO2 Sensors for Simulants of the Chemical Agents Kwang-Hyun Yun1, Ky-Youl Yun1, Geon-Young Cha 1, Bong-Ho Lee 1, Jae-Chang Kim 2, Duck-Dong Lee 3 and Jeung-Soo Huh1a 1Dept. of Materials Science & Metallurgy, 2Dept. of Chemical Engineering, 3School of Electronic & Electrical Engineering, Kyungpook National University, San-Gyuk dong 1370, Pook-gu, Daegu, Korea e-mail : jshuh@knu.ac.kr a Keywords : SnO2, Gas Sensor, DMMP, DPGME, Acetonitrile, Dichloromethane Abstract.
Experimental Compounding sensing materials Tin chloride (99%, Aldrich) and zinc acetate (99%, Aldrich) were dissolved in de-ionized water and then they were titrated with ammonium hydrogen carbonate (99%, Aldrich).
The next step was the crushing of dried materials.
Fabrication of sensors The detecting materials were mixed with α-terpineol (99%, Aldrich) and screen-printed onto an alumina device.
Lee, Journal of Korea Solid Wastes Engineering Society, 16 (1999) No. 3, pp.205~216 [9] Alfred T.

Introduction In recent years, the major micro structure materials used in electroforming technique as well as the LIGA process most were electroformed with Ni or Cu metal, and fewer were electroformed with Ni-Fe, Ni-Co alloy etc., however, these materials are restricted applied to severe environments such as high temperature, high pressure and corrosive circumstances.
Ou: Japanese Journal of Applied Physics, 44 (2005), p. 1089 [4]Robert L.
Searson: Journal of the Electrochemical Society Vol. 149(2002), p.
Wei: Materials Chemistry and Physics Vol. 78 (2003), p. 574 [8]T.
Ger: Materials Chemistry and Physics, Vol. 100(2006), p. 54 [11] K.H.

On the north wall affected the greatest impact, if not reinforced by filling materials, the maximum deformation was up to 116.48mm.
Conclusion Based on electromagnetic wave CT scan, local micro-drilling, long-term monitoring results and computer simulations, it can be concluded that: 1) Solid masonry was below the surface of the ground in Castle, no obvious holes were in the internal; 2) It had limited impact on the lower corridor after rehabilitation, which can be ignored; 3) East, south and the western wall, in Castle, can act as the bearing surface of the overhanging pillars; compared with the other three sides of the wall, materials of north wall were obviously different, which internal materials were not uniform and need to be reinforced by compaction grouting or be removed.
[3] Wang Yaqing, Wu Yi and Cha Enlai: Chinese Journal of Engineering Geophysics Vol. 7 (2010), p. 93-96 (In Chinese)
[4] Wang Ting, Yan Jianli: Electronic Science and Technology Vol. 26 (2009), p. 73-76 (In Chinese)
[6] Dong Jianhua, Xie Heping, Zhang Lin and so on: Journal of Sichuan University(Engineering Science Edition) Vol. 1 (2009), p. 41-46 (In Chinese)

The widespread use of thermoplastic materials for packaging also poses a problem due to the increased need of precision for repeated closing and the possibility of spoiling the thread of the cap – for bottle type containers.
It is the sum of at least two factors, which are: the packaging construction itself and the strength of the raw materials used – material and binder.
Design Methods, Tools, and Interaction Techniques for eInclusion, Lecture Notes in Computer Science. 8009 (2013) 13-20
Applied Mechanics and Materials. 657 (2014) 1061-1065
Story, Maximizing Usability: The Principles of Universal Design, Assistive Technology: The Official Journal of RESNA. 10, 1 (1998) 4-12

Summary Camshaft is the key components in gas system of horizontal opposed piston engine (see Figure 1), mainly composed of cam, supporting axle journal and axle journal, function is to control the valve opening and closing action, ensure that the valve components has good accurate and smooth movement rule, its quality directly affect the engine power performance, fuel economy and emission performance.
Figure 3 The profile contour before and after grinding Reconstruction of the cam profile grinding effect on the contact stress The contact stress between cam and tappet body characterization of cam contact fatigue life and wear rate, cam and the tappet body assumes the line contact, the contact stress calculation formula is: (1) In the above formula F is the normal force between the cam and the tappet body, ρ2 is the radius of curvature of the tappet body in contact, R is the base radius of the cam, h (α) is the tappet body lift function, E1 and E2 are the elastic modulus of material of the cam and the tappet body respectively, μ1 and μ2 are the Poisson’s ratio of corresponding materials respectively, W is the cam and the tappet body contact line width.
Through reverse analysis of aviation piston engine camshaft material and heat treatment conditions, the cam surface is the induction heating surface hardening treatment, the depth of hardening layer is not less than 1.2 mm.
Metal materials handbook .
[5] Wang Chang-gao, Study on Repair of Thought Based on Reliability Centered , Journal of Beijing University of Aeronautics and Astronautics (Social Sciences Edition), 1999.1.

This is of great practical significance due to the saving of materials and increase in the effective building areas.
(1) With the replacement of ordinary columns by centrally reinforced ones in a frame structure, the cross section of an ordinary column can be reduced, which gives rise to not only a saving of building materials, but also a slight increase in the load carrying capacity of the original frame structure.
Journal of Building Structures, 2001, 22 (1) : 14-19.
Journal of Building Structures, 2008, 29 (4) : 89-95.
Journal of Building Structures, 2010, 31(12):83-91.

The vibrator that is, the transducer was made from a piezoelectric ceramics of PZT material.
(3) When comparing the spindle axial forces and tapping torques generated by the two taps employed, M3.5×0.6 was found to deliver greater spindle force and tap torque, because of its greater material removal rate.
Chen, Optimization of Cutting Parameters in Vibration Tapping of Titanium Alloys, Acta Aeronautica et Astronautica Simica, Vol. 13, No. 10(1992), pp. 571-573 [3] Zhang, D. and Chen, D., Study on tapping torque in titanium alloys vibration tapping, Chinese Journal of Mechanical Engineering, Vol. 30, No. 1(1994), pp. 18-22 [4] D.
Chen, Relief-Face Friction in Vibration Tapping, International Journal of Mechanical Sciences, Vol. 40, No. 12(1998), pp. 1209-1222 [5] B.
Wang, Fundamental Aspects in Vibration-Assisted Tapping, Journal of Materials Processing Technology, Vol. 132, No. 12(2003), pp. 345-352