Search results

Most of ancient bridges have very great value of history,art and science with excellent structure technology and architecture art.
Both of them having strong influence are precious physical materials to study bridge, architecture and technology history.
The study on bridge structure is the process to explore the history of science and architecture in China.
The remained parts of ancient bridge sites were made from stone material.
Acknowledgements This work was financially supported by the Program of Shaanxi Science and Technology Development (2011k17-01-08), Program of Xi’an Municipal Science and Technology Commission (HJ1110(4)) and Scientific Foundation of Xi’an JiaoTong University (08143005).

It was then left to dry at room temperature, after which 10 μL of 0.5% Nafion were subsequently placed on the electrode surface to form a Nafion membrane, which was used to fix the TiO2 or Ag/TiO2 materials.
Biradar: Materials Chemistry and Physics,Vol. 132(2012), No.1, p.22
Wang: Advanced Functional Materials，Vol. 18(2008), p.1131
Wang: Journal of Nanoscience and Nanotechnology, Vol.9(2009), p.2119
Zhu: Applied Surface Science,Vol. 345(2015),p.379

Arpaç: Solar Energy Materials and Solar Cells Vol. 93 (2009), p. 1833 [3] G.
Aranzabe: Solar Energy Materials and Solar Cells Vol. 94 (2010), p. 1081 [5] G.
Wang: Journal of Functional Materials Vol. 34 (2003), p. 579 [7] C.Y.
Ma: Building Materials Industry Information Vol. 10 (2003), p. 39 [9] D.G.
Zhu: The World of Building Materials, Vol. 30 (2009), p. 12 [10] J.F.

Introduction In recent years, considerable attention has been devoted to the conversion of near-infrared radiation to visible light in rare earth-doped materials.
One of the most efficient NIR to green and red upconverting materials is β-NaYF4 [7].Annina Aebischer and co-workers reported the synthesis and light emission properties of α-NaYF4:Er3+, Yb3+ [8].
The nearly white materials were obtained while the crucible is cool down.
This material showed the same upconversion fluorescence emission intensity compared to β-NaYF4 material.
Mitchell: Journal of Alloys and Compounds. 451 (2008), p. 526 [2] J.C.

Hot deformation of Ti–5Al–5Mo–5V–1Cr–1Fe near β titanium alloys containing thin and thick lamellar α phase, Materials Science & Engineering A 573 (2013) 75-83
Materials Science & Engineering A 2013 Accepted Manuscript
Wang, Fatigue crack nucleation and growth behaviors of laser melting deposited Ti–6Al–2Zr–Mo–V [J] Materials Science and Engineering A 527 (2010) 1933–1937
Journal of Alloys and Compounds 496 (2010) 189–195
Shi, et al．Chinese engineer materials canon (fourth volume) [M] ．Beijing：CIP, (2006)623-626 [11] K.

Acknowledgements The work is supported by Shan xi Natural Science Fund (No.2005-1051).
Jin: Mechanical Science and Technology, Vol.20 (2001) No.1.
Wang: Key Engineering Materials, Vols.304-305 (2006), pp.379-383
Kawashima: Journal of Materials Processing Technology, Vols.143-144 (2003), pp.682-686
(In Chinese) [8] Physical Department of Beijing University: Ferromagnetic (Science Press, Beijing 1976), pp.123-162.

Lee 4 1 Department of Mechanical Engineering, Inha University, Incheon, 402-751, Korea 2 Graduate School of Mechanical Engineering, Inha University, Incheon, 402-751, Korea 3 School of Materials Science, Inha University, Incheon, 402-751, Korea 4 School of Materials Science and Engineering, Yeungnam University, 712-749, Korea Keywords: Machinable Ceramics, Al2O3-BN, In-process Electrolytic Dressing Lapping (IEDL), Diamond lapping wheel, Surface roughness.
The relationship between the IEDL process and mechanical characteristics of Al2O3-BN composites obtained in this study could provide useful information to understand the machinability of these unique machinable ceramic materials.
After mirror polishing Vickers' crack was intro- duced in the material.
Acknowledgement This work was supported by grant No.R01-2001-000-00257-0 from the Basic Research Program of the Korea Science & Engineering Foundation.
Kim: Korean Journal of Material Research Vol. 8 (1998)

Introduction Tribology is the science that studies the behaviour of the surfaces that are subjected to load, in contact and relative movement, so the phenomena of friction, wear and lubrication are topics of this science [1, 2].
Surface fatigue is a process by which the surface of a material is weakened by cyclic loading, which is one type of general material fatigue.
Some works have been done in order to study the RCF wear in different materials [6-10].
Friction and Wear of Materials.
Roque, Report on the Prediction of Surface-Initiated Longitudinal Wheel Path Cracking in Asphalt Pavements, Road Materials and Pavement Design, 5(4), 409-434, 2004

As shown in Fig.4, 170P1 and DX54D + Z material comprises uniform ferrite.
More uniform and fine ferrite. it not only has high strength and hardness, but also has a certain toughness, so the hardness is higher than the weld heat affected zone and the hardness of the base material.
References [1] CHAN LC，CHENG CH，CHAN SM，et a1．Formability analysis of tailor-welded blanks of different thickness ratios[J]．Journal of Manufacturing Science and Engineering, 2005, 127(4): 743-751
Wuhan：Huazhong University of Science and Technology Press, 2004: 142
[3] JIANG YF，WU LB，YUAN GD，et a1．Theoretical an analysis of the springback in bending of tailor welded blanks with elastic-perfectly plastic material[C], ICRM’2005, September 12-14， 2005，Guangzhou, China.

Introduction Composite materials especially the three-dimensional angle-interlock architectural composites have shown significant advantages in certain applications over the convention fabrics.
The materials used in the process of produce preform were T700SC-12K-50C carbon fiber and the epoxy resin TDE-86.
Falzon: Composites Part A: Applied Science and Manufacturing, Vol.11(1999), p.1445-1461 [2] K.
Siron: Composites Science and Technology.
Ko :Textile Structural Composites ( Elsevier Science Publishers B.V, U.S.A, 1989) [6] Cai-yun Yang, Jia-lu Li, in Chiese: Journal of Donghua University，Vol.31(2005), p.53-58