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The difficulty of materials inner stress detection is a barrier to engineering equipment research.
However, the inability of inner stress detection has been a barrier of researching, designing and manufacturing for engineering structure and complex equipment, and it seriously affects the new material research [2].
This spectrometer could be used to detect inner stress field and macro stress field of material/component [3], damage defects (cracks) and the surrounding stress field of component, stress of material composition phase and crystal structure (texture) [4]; It could be used to serve precise design and manufacturing of engineering component, accurate assessment of service performance, integrated design of materials-component and engineering requirement of major equipment safe operation [5]; It could also be used to explore mutual effects of internal interphase stress and develop scientific laws, such as the formation and evolution of damage mechanism of material/component under the action of cyclic stress [6].
Kowari – The Residual-Stress Diffractometer for Engineering Applications at OPAL.
Ottauia, Applications of neutron diffraction to engineering problems

Design of Bioreactor Control System for Ligament Tissue Engineering Xiude Wu1, a, Xiong Wang2, b 1Jingzhou, Hubei, 434023, China 2Vandoeurvre, Nancy, 54500, France awxd828@yangtzeu.edu.cn, bxiong.wang@ensem.inpl-nancy.fr Keywords：Bioreactor, Control system, Coordinated control strategy, Ligament tissue engineering Abstract.
The aim of this control system is to meet the functions of bioreactor for the ACLs tissue engineering in both research and clinical applications.
The control system structure is simple, and can meet the current experiment requirements for ligament tissue engineering.
A novel bioreactor for ligament tissue engineering, Bio-Medical Materials and Engineering, no.18 (2008), p.283-287 [3] Huangchi Chen, Yuchen Hu.
Bioreactors for tissue engineering, Biotechnology Letters, no.28 (2008), p.1415–1423 [4] Xiude Wu, Xiong Wang.

The Experimental Study on Engineering Characteristics of Improved Clay Zhao Yu1, a, Liu Jie2, b and Wu Hongjuan3, c 1 Civil Engineering College of Shijiazhuang Tiedao University, Shijiazhuang, Hebei province, china, 50043 2 Civil Engineering College of Shijiazhuang Tiedao University, Shijiazhuang, Hebei province, china, 50043 3 Civil Engineering College of Shijiazhuang Tiedao University, Shijiazhuang, Hebei province, china, 50043 azhaoyu790113@163.com, b77330607@qq.com, c117469815@qq.com Keywords: cement-improved clay, rapid transit railway, subgrade, dynamic performance Abstract: The rapid transit railway foundation bed bears the repeated dynamic load of train besides the static-load from upper structure.
The engineering characteristics of improved clay, in especial the dynamic performance under repeated dynamic load or train, is the key factors to determine the improved clay can be used as roadbed fill material.
Rock Mechanics and Engineering Journal. 22(2): 321-326
Geotechnics and Engineering Journal. 22(2): 254-257.M.A.
Civil Engineering Journal. 38(10): 119-124.

Protection Effectiveness of Concrete Surface Treating Materials Li-Wei Teng1, a, Ran Huang1, b, Si-Yu Zou1, c, and Hui-Mi Hsu2, d 1 Department of Harbor and River Engineering, National Taiwan Ocean University, 2 Pei-Ning Road, Keelung, 20224, Taiwan 2 Department of Civil Engineering, National Ilan University, No.1, Sec. 1, Shen-Lung Road, I-Lan 26047, Taiwan adlwkimo@gmail.com, branhuang1121@gmail.com, csiyuzou@gmail.com, dhmhsu@niu.edu.tw Keywords: Taguchi method, concrete surface, coating materials.
Assessment of an optimal mixture for desired quality is an important issue for material engineering.
(1) LTB S/N ratio (1) (2) STB S/N ratio (2) This study identified the key factors influencing the protective effects of surface materials for the treatment of concrete surfaces.
Nikraz: Materials and Design vol.36, (2012), p.191-198 [7] G.
Hsu: Materials, Vol.6, (2013), p.1191-1204

Research on Key Technology of Normal Grain Growth for Second Phase Particle Materials by Cellular Automata Simulation Gu Zonglei a, Yin Yuliang b College of Mechanical Engineering,Linyi University,Linyi, Shandong,P.
But the related research about CA model is rarely reported, and obviously there is a great disparity compared with its successful application on single phase materials grain growth simulation. [6-7] The paper set up a model including second phase particle materials normal grain growth based on the cellular automata method and mainly focused on the key technologies about the second phase particle generation. 2.
Materials Science and Engineering.
Materials Science and Engineering.Vol.271(1999),p. 1 [3] N.
Materials Science and Engineering.

In the FEM model, the material data is referred to the common materials used in the actual engineering, as listed in the table 1.
Table 1 Mechanical properties of materials for FEM Materials Young’s Modulus (GPa) Poisson’s ratio Thickness (mm) Steel 206 0.3 3.5 FRP 150 0.25 1.3 Adhesive 5 0.38 1.0 1.3 Element type and meshing.
Zhao: Some Key Mechanical Problems on FRP Sheet Applied in Civil Engineering[J].
Stress Modeling of Pipelines Strengthened with Advanced Composites Materials[J].
Engineering Structures, 2008, 30(11), p. 3305-3315 [8] F.M.

Rod element is a type of commonly used structural element in practical engineering.
Selection of materials On the base of special requirements for volume and weight in the platform, selection of materials should consider light-weighting and large bearing capacity.
All selected materials and their performance parameters are shown in Table 1.
Table 1 Selected Materials and Their Performance parameters No.
Optics and Precision Engineering. (1999), 7(2), 110-114,in Chinese

Biphasic calcium phosphates (BCPs) and silicon doped BCP are very interesting candidates to be used as materials for scaffolds fabrication in bone tissue engineering.
BCP scaffolds for tissue engineering.
Figure 5 shows thestages involved in a bone tissue engineering process.
BCP bioceramics, which were intended as osteoconductor materials in the past, stand for materials to fabricate osteoinductor implants in the near future.
O'Kelly, in: Bio-Mechanical Engineering, edited by P.J.

Fastenerless-Riveting Utilizing Friction Stir Forming for Dissimilar Materials Joining Takahiro Ohashi1,a *, Hamed Mofidi Tabatabaei1,b and Tadashi Nishihara1,c 1School of Science and Engineering, Kokushikan University, 4-28-1 Setagaya, Setagaya-ku, Tokyo, Japan atohashi@kokushikan.ac.jp, bs1de004q@kokushikan.ac.jp, cnisihara@kokushikan.ac.jp Keywords: friction stir forming (FSF), dissimilar materials joint Abstract.
[3] M.Otsu, Y.Katayama, T.Muranaka, Effect of Difference of Tool Rotation Direction on Forming Limit in Friction Stir Incremental Forming, Key Engineering Materials, 622/623-1 (2014) 390-397
[9]T.Ohashi, J.Chen, T.Nishihara, H.Mofidi Tabatabaei, Friction Stir Forming of Aluminum Alloy Gear-Racks, Key Engineering Materials, 725 (2016) 665-670
[10] T.Ohashi, H.Mofidi Tabatabaei, T.Ikeya, T.Nishihara, Friction Stir Forming of A5083 Aluminum Alloy Gear-Racks with WC Particles Embedded in Tooth Surface, Key Engineering Materials, 723 (2016) 148-153
[12] T.Ohashi, H.Mofidi Tabatabaei, T.Nishihara, Cylindrical Pin Embossment on A5083 Aluminum Alloy Substrate Fabricated by Friction Stir Forming, Key Engineering Materials, 730 (2017) 253-258.

The Application of Recycled Aggregate Concrete in Road Engineering Wanlin Guo Hunan Communication Polytechnic, Changsha, 410004,China room 302,Unit 1,No.1 building, Xiang Han Royal homes, Forest Road 341,,Changsha, Hunan province,China Key words: Recycled concrete; Road engineering; Application Abstract: Through the introduction of the application situation and basic properties of recycled concrete,the author analyzes its application value and and research direction in engineering application,and then puts forward to the application prospect of recycled concrete in road engineering.
Concrete is mainly composed of coarse aggregate (stone) and the fine aggregate (sand), the two materials account for 75% in total concrete.
But generally they can reach up to 4 mpa ~ 5 mpa to satisfy the engineering demand.
III.The application of recycled concrete in road engineering In the field of the road engineering, concrete is the most abundant material in its dosage, and is also one of the most widely used building materials.
(4) The economical efficiency of the polypropylene fiber in recycled concrete application in road engineering