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Successive coating a lay of PSM on prestressed strand is a key to engineering application.
According to the engineering requirement the PSM can be modulated to solidify after 20, 30, or 40 d, and then the compressive strength comes up to above 30 MPa.
However, how to achieve successive coating a lay of PSM on prestressed strand is the key to the application of the postponed-set prestressed tendon to engineering.
It is convenient in engineering and it provides theoretical basis for conveying and extruding PSM in a single screw extruder.
[3] J.H.Zhang, D,S,Xue, Y,H,Zhou: Chinese Journal of Mechanical Engineering Vol.44 (2008), p.212 [4] F.H.

Study and Application of Virtual Remanufacturing* Zhu Sheng1, Yao Jukun1, Cui Peizhi2 1National Key Laboratory for Remanufacturing,The Academy of Armored Forces Engineering Beijing 100072, China 2Department of Information Engineering, The Academy of Armored Forces Engineering, Beijing 100072, China zusg@sohu.com, Cuipeizhi@hotmail.com Keywords: Virtual remanufacturing; System framework; Development application Abstract.
Applying the product/procedure model and activity model defines related remanufacturing model, which include all kinds of engineering activity, such as product redesign, production equipment, production management and target product, material, tools, other resource.
“Study of Virtual Remanufacturing system Framework,” Journal of Academy of Armored Forces Engineering. 2003, vol. 17, no.2, pp. 85-88
“Development and Key Technology of Virtual Remanufacturing Engineering,” China Surface Engineering. 2008, vol.21, no.3, pp.7-11
“Pilot Study of Remanufacturing Virtual Corporation,” Modern Manufacturing Engineering. 2004(3), pp. 89-91.

Improvement of accelerated weathering test through physicochemical analysis for polymeric materials in building construction Teng-Chun Yang1,a 1Department and Institute of Materials Science & Engineering, National Taiwan University, Taipei 106, Taiwan atcyang.04@gmail.com Keywords: Accelerated weathering, Polymeric material, Physicochemical analysis, Durability, Degradation Introduction In civil engineering, the long-term service life of buildings as environmental measures is one of important performances being comparable to structure and fire safety, and it is demanded to improve durability of materials in building construction.
As part of building materials, polymeric materials become widespread in civil engineering because of taking advantage of excellent property, such as lightweight, high corrosion resistance, and good formability.
Reliability is an engineering discipline that should be applied throughout all stages of development and maintenance of the product in its life service.
Unfortunately, only very few researchers in civil engineering have being researching on macroscopic size (color, mechanical property etc.) of polymeric materials but barely discussing these microscopic size (physicochemical production ).
The other key point here is that these effect factors are not all absorbed by the material to transform the degradation phenomena.

Cutting Analysis of 3-Layer Laminated Plate Key- Sun Kim 1, a 1Div. of Mechanical & Automotive Engineering Kongju National University, Korea a keysun@kongju.ac.kr Keyword(s) : Cutting Analysis , Milling , Laminated plate , Cutting Force.
It is expected that these results can be utilized in machining processes and work conditions for the machining of multi-layer structures made of layers of different materials.
Modeling and analysis conditions The shape of the layered materials and plate are shown in Fig. 1.
It is expected that these results can be utilized in the machining processes and work conditions for the machining of multi-layer structures consisting of layers of different materials.
Ganesan: Applied Thermal Engineering, Vol.25, Issues 14-15 (2005), p. 2039

Mohamed Fathimal2,d 1Student, Computer science and Engineering, SRM Institute of Science and Technology, Vadapalani, India 2Assistant, Professor, Computer science and Engineering, SRM Institute of Science and Technology, Vadapalani, India asarangaraja97@gmail.com, brajatechrj7@gmail.com, cvignesh3967@gmail.com, dfathimap@srmist.edu.in Keywords.
For image encryption, use the Symmetric key and a private/public key pair.
We used materials from 2014-to 2021 to keep up with the latest trends.
Optics and Lasers in Engineering, 128, 105995. (2020a)
Optics and Lasers in Engineering, 125, 105851. (2020b)

Zulkiflic 1 Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, University Putra Malaysia aGhazale.Tahoori@gmail.com, brosnah@eng.upm.edu.my, cnorzima@eng.upm.edu.my Keywords:closed loop supply chain, reverse logistic, sustainable supply chain, recovery options.
Barbosa-Póvoa, Computer Aided Chemical Engineering,Vol. 27 (2009), p. 127-132
Evans, Engineering optimization,Vol. 41 (2009), p. 713-735
Wu, in Software Engineering and Service Science (ICSESS), 2011 IEEE 2nd International Conference(2011), p. 761-764
,Journal of Materials Processing Technology,Vol. 138 (2003), p. 349-356

Kami: Key Engineering Materials Vol. 257-258 (2004), p. 311 [8] K.
Iwai: Key Engineering Materials Vol. 238-239 (2003), p. 183 [9] Y.
Mak: Applied Thermal Engineering Vol. 23 (2003), p. 523 [10] Y.
Tse: Key Engineering Materials Vol. 291-292 (2005), p. 233 [11] Y.
Lai: Key Engineering Materials Vol. 339 (2007), p. 427 [12] Y.

This work provides a foundational analytical framework for studying contact problems in viscoelastic materials.
Nonlinear electro-viscoelastic materials, characterized by their combined mechanical, electrical, and time-dependent viscoelastic properties, play a crucial role in various advanced engineering and technological applications [14, 7].
A key aspect of the model is the representation of material damage through a damage variable, denoted by α.
The results presented here offer valuable insights for advanced engineering applications, such as the design of electro-viscoelastic systems and wearable health sensors.
Selmani, "Frictional contact problem for elastic-viscoplastic materials with thermal effect", Appl.

The layout of the viscoelastic materials could be a key point to improve the structure’s performance on vibration reduction.
Engineering Optimization, 6 (1983), pp. 197-205
Computer Methods in Applied Mechanics and Engineering, 71 (1988), pp. 197–224
Mechanical Engineering Congr. and Exposition (2002) IMECE2002-39021, pp. 149-156
International Journal for Numerical Methods in Engineering, 24 (1987), pp. 359-373

Key Technology of 5-Axis NC Programming and High-speed Milling for Integral Impellers Based on the General Software UG Junmin Xiao1, a, Changming Zhao1, b 1Department of Mechanical Engineering, Zhongshan Polytechnic, Zhongshan 528404, China axiaojunmin517@163.com, b Changming1126@yahoo.com.cn Keywords: Integral impellers, High-speed milling, NC machining, 5-Axis NC programming, CAM, UG Abstract.
So it is very difficult for ordinary engineering technicians to make qualified integral impellers by using the general NC programming software, and in order to obtain reasonable 5-axis tool path ordinary engineering technicians must solve three critical technical problems, these problems were as follows: tool path generation of blade surface, tool path generation of hub surface and technology parameters optimization of finishing.
The integral impeller as shown in Fig.1 constitutes with blades and hub, whose material is 6061 aluminum alloy.
Arrow 1 as shown in Fig.4 should be selected as cutting direction, and Arrow 2 as shown in Fig.4 should be selected as material direction.
References [1] Yu Situ: Journal of Manufacturing Technology & Machine Tool Vol. 9 (2008), p. 121 (Chinese Mechanical Engineering Society, Beijing Machine Tool Research Institute, China) [2] Zilin Shen, Qingyun Shen and Yanbin Fan: Journal of Machinery Design & Manufacture Vol. 10 (2008), p. 155 (Liaoning Provincial Machinery Research Institute, China) [3] Chenghui Lv and Yishu Hao: China Master’s Theses Full-text Database (2007) (China Academic Journal Network Publishing Database) [4] Jinxing Zheng and Huiqung Cheng: Journal of Modular Machine Tool & Automatic Manufacturing Technique Vol. 4 (2007), p. 87 (Chinese Mechanical Engineering Society, Dalian Modular Machine Tool Research Institute, China) [5] Junmin Xiao: Journal of Modular Machine Tool & Automatic Manufacturing Technique Vol. 3 (2010), p. 87 (Chinese Mechanical Engineering Society, Dalian Modular Machine Tool Research Institute, China)