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Online since: November 2007
Authors: Tian Ji, Gui Hong Bian, Dong Ming Guo
Some key parts used in such area as the national defence are made of high performance
hard and brittle materials, and they should meet not only the requirement of geometry accuracy but
also that of specified physical performance in manufacturing.
Such a part may be classified as a workpiece of high performance hard and brittle materials with complicated surface.
As a result, a basis for precision removal process of any other part of high performance hard and brittle materials with complex surface is laid, and a technology support for precision process of key parts in the national major project is provided.
Shi: Grinding of Difficult-to-cut Materials (National Defence Industry Press, China 1999).
Huang, et al: Key Engineering Materials, Vol. 141-146 (2004), pp. 141-146.
Such a part may be classified as a workpiece of high performance hard and brittle materials with complicated surface.
As a result, a basis for precision removal process of any other part of high performance hard and brittle materials with complex surface is laid, and a technology support for precision process of key parts in the national major project is provided.
Shi: Grinding of Difficult-to-cut Materials (National Defence Industry Press, China 1999).
Huang, et al: Key Engineering Materials, Vol. 141-146 (2004), pp. 141-146.
Online since: August 2012
Authors: Ai Fang Liu, Shu Rong Guo
Research on Application of New Energy-saving Building Materials
Ai Fang Liu1, a, Shu Rong Guo2,b
1,2College of Architecture Engineering,Shandong University of Technology,Zibo 255049, China
aliuaifang329@163.com, bzbshur@sina.com
Keywords: New energy saving building materials; performance; practical engineering application
Abstract.
With the development of science and technology, there are many types of new energy saving building materials which play a vital role in each stage of construction engineering.
The application of new wall materials Wall materials, almost accounting for 70% of building material consumption, is a key part of building materials; and in the energy consumption of a building, wall occupies about 50%.
Generally, it is widely used in many area and ranges such as the external thermal preservation engineering of exterior wall and internal thermal preservation engineering of exterior wall.
Single thermal insulation materials, such as foaming polystyrene board, extruded polystyrene board[8], rock wool board and glass wool board and so on, are the key part in the application of thermal preservation engineering, which shall be coordinated with other materials in application.
With the development of science and technology, there are many types of new energy saving building materials which play a vital role in each stage of construction engineering.
The application of new wall materials Wall materials, almost accounting for 70% of building material consumption, is a key part of building materials; and in the energy consumption of a building, wall occupies about 50%.
Generally, it is widely used in many area and ranges such as the external thermal preservation engineering of exterior wall and internal thermal preservation engineering of exterior wall.
Single thermal insulation materials, such as foaming polystyrene board, extruded polystyrene board[8], rock wool board and glass wool board and so on, are the key part in the application of thermal preservation engineering, which shall be coordinated with other materials in application.
Online since: November 2012
Authors: Ke Liang Li
Ocean Engineering Concrete using High-volume GGBS
Keliang Li
School of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450011, China
R&D High Technology CO., Nanjing Hydraulic Research Institute, Nanjing 210029, China
klli73@163.com
Key words: ocean engineering, concrete, slag, mechanical property, durability.
Water-cementitious material ratio of ocean engineering concrete with high-volume GGBS was taken as 0.35 in accordance with a Chinese specification named as Corrosion Prevention Technical Specifications for Concrete Structures of Marine Harbor Engineering [2].
Ocean engineering concrete with high-volume GGBS has good mechanical property and durability.
It is applicable to the constructing of ocean engineering concrete.
Molloy, Prediction of long term chloride concentration in concrete, Materials and Structures, 27 (1994) 338-346.
Water-cementitious material ratio of ocean engineering concrete with high-volume GGBS was taken as 0.35 in accordance with a Chinese specification named as Corrosion Prevention Technical Specifications for Concrete Structures of Marine Harbor Engineering [2].
Ocean engineering concrete with high-volume GGBS has good mechanical property and durability.
It is applicable to the constructing of ocean engineering concrete.
Molloy, Prediction of long term chloride concentration in concrete, Materials and Structures, 27 (1994) 338-346.
Online since: July 2013
Authors: Yang Kai
Study of Biosafety of Nanomaterials in Sports Engineering
Yang Kai
North China Institute of water conservancy and hydroelectric power sports department,
Henan, Zhengzhou, 450011
Keywords: nanomaterial; sports engineering; application; biosafety
Abstract.
Application of nanometer materials in sports in Engineering The application of nanometer materials in the stadium Sports stadiums are professional place for sports training, sports and physical exercise, sports activities relying on the material.
Biological safety problems caused nano material At home and abroad for nanomaterials sports engineering major carbon nano material, nano oxide (the titanium oxide, the silicon oxide) and nano metal.
Knottheory Nanometer materials have been in one of the full range of sports engineering field, brings opportunities for the development of competitive level and sports.
Engineering plastics application, 2008, 36 ( 8 )
Application of nanometer materials in sports in Engineering The application of nanometer materials in the stadium Sports stadiums are professional place for sports training, sports and physical exercise, sports activities relying on the material.
Biological safety problems caused nano material At home and abroad for nanomaterials sports engineering major carbon nano material, nano oxide (the titanium oxide, the silicon oxide) and nano metal.
Knottheory Nanometer materials have been in one of the full range of sports engineering field, brings opportunities for the development of competitive level and sports.
Engineering plastics application, 2008, 36 ( 8 )
Online since: August 2011
Authors: Ruo Hong Zhao
Structural Optimization of Building Materials Using Optimality Criteria Approach and Its Realization in ANSYS
Ruohong Zhao
Civil engineering Dept.
Wenzhou University Whenzhou, China 84494424@qq.com Keywords: structural optimization, optimality Criteria, Lagrangian multiplier, building materials Abstract.
In this paper, the structural optimization of building materials is discussed focusing on the explicit formulation of the constraints and the optimal iteration algorithm.
In another word, the problem is how to minimize the consummation of building materials or the cost of the building while the safety and serviceability can be assured [1-4].
(2) In this paper only one constraint was taken into consideration, for the convenient description of the structural optimization of a cantilever beam, but in real engineering, there may be multiple constraints.
Wenzhou University Whenzhou, China 84494424@qq.com Keywords: structural optimization, optimality Criteria, Lagrangian multiplier, building materials Abstract.
In this paper, the structural optimization of building materials is discussed focusing on the explicit formulation of the constraints and the optimal iteration algorithm.
In another word, the problem is how to minimize the consummation of building materials or the cost of the building while the safety and serviceability can be assured [1-4].
(2) In this paper only one constraint was taken into consideration, for the convenient description of the structural optimization of a cantilever beam, but in real engineering, there may be multiple constraints.
Online since: July 2014
Authors: Qing Gang Liu, Xin Qi Yu, Pei Ying Peng, Hai Ting Cui, Jing Zhi Jiang
Numerical simulations of the internal fluid field for porous scaffold used in tissue engineering
Liu Qinggang1,a, Jiang Jingzhi1,b, Cui Haiting1,c, Yu Xinqi1,d, Peng Peiying1,e
(Hebei university of science and technology, Shijiazhuang, Heibei, China, 05001s8)
aqgliu81@163.com, bjjzhi2000@126.com, ccuiht@126.com, dyxqyxq0016@163.com, epengpeiy@163.com
Key words: Tissue engineering, Porous scaffold, Velocity distribution, Pressure distribution
Abstract: Models with main-branch channel, crossing channel and net type channel are established and nutrient liquid with a velocity of 0.01m/s is adopted in the study to investigate the fluid field in the channel by using FEA software FLUENT.
Studies in this paper will be of benefits for the development of tissue engineering.
That is, model 2 and model 3 are more suitable for the tissue engineering.
Fabrication and characterization of the porous scaffolds for bone tissue engineering, New chemical materials, 2004,32(9): 17-20 [4] Zhao Jin, Yuan Xiaoyan, Yao Kangde, Progress in the fabrication technology of tissue engineered porous scaffolds, Chemical industry and engineering progress, 2002,21(9): 644-647 [5] An Xiao, Shi Yanchun, Chen Meihua, et al.
Experimental study on tissue engineering scaffolds in treatment for spinal cord injury.Space medicine & medical engineering, 2013,26(1):56-59
Studies in this paper will be of benefits for the development of tissue engineering.
That is, model 2 and model 3 are more suitable for the tissue engineering.
Fabrication and characterization of the porous scaffolds for bone tissue engineering, New chemical materials, 2004,32(9): 17-20 [4] Zhao Jin, Yuan Xiaoyan, Yao Kangde, Progress in the fabrication technology of tissue engineered porous scaffolds, Chemical industry and engineering progress, 2002,21(9): 644-647 [5] An Xiao, Shi Yanchun, Chen Meihua, et al.
Experimental study on tissue engineering scaffolds in treatment for spinal cord injury.Space medicine & medical engineering, 2013,26(1):56-59
Online since: September 2013
Authors: Jun Fu, Tao Tao Fan, Xiu Shan Wang
Engineering application of new wall materials’ anti-cracking and anti-leakage performance —summary of several experiments and analysis
Jun Fu 1, a, Taotao Fan 1, b, Xiushan Wang 1, c
1 Architectural engineering institute of Zhejiang Sci-Tech university, Hangzhou 310018, Zhejiang, China
afujunfujun@163.com,b807561049@qq.com,cwxs77777@163.com
Keywords: New wall material; Anti-cracking and anti-leakage performance; Numerical analysis; Shrinkage test; In-field test; Image processing
Abstract: New wall materials are widely used in the construction industry, which have green environmental protection.
Shrinkage test of concrete brick walls It was reported that many concrete bricks did not reach the regulation age(usually 28 days) when they were used, and other new wall materials had similar situations [6].Using the concrete brick of unreached standard age in engineering is not allowed, but it do exists.
New-type Walls` Crack and Leakage Resistance Performance and Engineering Application Research.
Based on crack resistance of new wall material application surve//Masonry structure theory and the application of new wall materials.
[4] G.P.A.G.vanZijl, P.A.de Vries, A.T.Vermeltfoort: Journal of Structural Engineering, Vol.130 (2004), p.1075
Shrinkage test of concrete brick walls It was reported that many concrete bricks did not reach the regulation age(usually 28 days) when they were used, and other new wall materials had similar situations [6].Using the concrete brick of unreached standard age in engineering is not allowed, but it do exists.
New-type Walls` Crack and Leakage Resistance Performance and Engineering Application Research.
Based on crack resistance of new wall material application surve//Masonry structure theory and the application of new wall materials.
[4] G.P.A.G.vanZijl, P.A.de Vries, A.T.Vermeltfoort: Journal of Structural Engineering, Vol.130 (2004), p.1075
Online since: October 2014
Authors: Stanisław Legutko, Jolanta Krolczyk
Innovation as a Key Factor for Entrepreneurial Activity
KROLCZYK Jolanta1,a and LEGUTKO Stanislaw2,b
1 Faculty of Production Engineering and Logistics, Opole University of Technology,
76 Proszkowska Street, 45-758 Opole, Poland
2 Faculty of Mechanical Engineering and Management, Poznan University of Technology,
3 Piotrowo Street, 60-965 Poznan, Poland
aj.krolczyk@po.opole.pl, bstanislaw.legutko@put.poznan.pl
Keywords: entrepreneurial, innovation, product innovation, success factors in innovation.
Many disciplines must be taken into consideration such as marketing, engineering, and new product development to identify innovations.
Legutko, Microhardness and Surface Integrity in turning process of duplex stainless steel (DSS) for different cutting conditions, Journal of Materials Engineering and Performance. 23, 3 (2014) 859-866
Friar, Factors for success in R&D projects and new product innovation: a contextual framework, IEEE Transactions on Engineering Management. 44, 3 (1997) 276–287
Zirger, A study of success and failure in product innovation: The case of the U.S. electronics industry, IEEE Transactions on Engineering Management.
Many disciplines must be taken into consideration such as marketing, engineering, and new product development to identify innovations.
Legutko, Microhardness and Surface Integrity in turning process of duplex stainless steel (DSS) for different cutting conditions, Journal of Materials Engineering and Performance. 23, 3 (2014) 859-866
Friar, Factors for success in R&D projects and new product innovation: a contextual framework, IEEE Transactions on Engineering Management. 44, 3 (1997) 276–287
Zirger, A study of success and failure in product innovation: The case of the U.S. electronics industry, IEEE Transactions on Engineering Management.
Online since: July 2013
Authors: Feng Yang, Min He, Hua Feng Guo, Duan Hu Shi, Ning Zhang
A method to determine fracture toughness using
Berkovich indenter for bulk materials
Min He1,2,a, Duanhu Shi1,b, Feng Yang1,c, Ning Zhang1,d, Huafeng Guo1,e
1Jiangsu Key Laboratory of Large Engineering Equipment Detection and Control, Xuzhou Institute of Technology;
2Department of Mechanical Science and Engineering, Xuzhou Institute of Technology, Xuzhou 221008
aheminbox80@hotmail.com, bshiduanhu@126.com, cxzit_yf@163.com,dsprningzn@126.com,eghfmaster@163.com
Keywords: Berkovich indenter; indentation fracture technique; ductile materials; damage mechanics.
For the indenter test in ductile materials, there is little surface creation.
are estimated for two materials used in the present work with Eq.(8).
Conclusions The key problem of critical plastic penetration depth () is solved for ductile materials based on the continuum damage mechanics and damage constitutive equation.
Materials Science and Engineering A 528 (2011) 832–837
For the indenter test in ductile materials, there is little surface creation.
are estimated for two materials used in the present work with Eq.(8).
Conclusions The key problem of critical plastic penetration depth () is solved for ductile materials based on the continuum damage mechanics and damage constitutive equation.
Materials Science and Engineering A 528 (2011) 832–837
Online since: February 2012
Authors: Tu Lan, Sheng Ju Tang, Bo Chen, De Ke Guo
Because of the outstanding advantages of genetic algorithms in solving optimization problems of engineering design, in this paper, using genetic algorithm combined with Kansei Engineering as a optimal design method for product’s semantics modeling design, and using real-coded way to characterize shape characteristics of CNC machine tools, comprehensive accounted of user’s semantic needs and color Mido, then, established the fitness function, combined with the key components to complete the design.
Therefore, it is widely used to solve the engineering problems which need to find out global optimal results.
Study on the modeling design of CNC machine tools based on GA Product design is the process that optimal combines several materials which have a different shape, color and function together, and it is also the process from analysis information to conceive and search for the best answer for the problem.
Obtain semantic information based on Kansei engineering.
When finish the operation, the system will display the result code to interface to facilitate call the three-dimensional solid model and the materials ball, to achieve the operations of real-time rig out and color the program, then access to the design program of CNC machine tools (Figure 6).
Therefore, it is widely used to solve the engineering problems which need to find out global optimal results.
Study on the modeling design of CNC machine tools based on GA Product design is the process that optimal combines several materials which have a different shape, color and function together, and it is also the process from analysis information to conceive and search for the best answer for the problem.
Obtain semantic information based on Kansei engineering.
When finish the operation, the system will display the result code to interface to facilitate call the three-dimensional solid model and the materials ball, to achieve the operations of real-time rig out and color the program, then access to the design program of CNC machine tools (Figure 6).