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Online since: May 2014
Authors: Ling Sun, Wen Yong Yu, Chun Hong Shao, Chen Long Wu
As the size of nano-material be very small, it behaves some special performances on its structural and physics and chemical aspects and etc rather than macro and micro materials[4].
Nano-SiO2: it is made by Beijing Nacheng science and technology development Co.
Ccrnent and Concrete Research, 2003, 33(8): 1119-1125 [3]Yingji Du,Sujian Han, Rufang Yao etc.Experimental Study on Impermeability and Frost Resistance of Cement Concrete Improved by Mixing powdered nano-materials.
Natural Edition of Journal of Northwest A&F University. 2004, 32(7):107-110
[4]Guhua Li, The Durability of Cement Concrete Influenced by Mixing Nano-Materials.
Nano-SiO2: it is made by Beijing Nacheng science and technology development Co.
Ccrnent and Concrete Research, 2003, 33(8): 1119-1125 [3]Yingji Du,Sujian Han, Rufang Yao etc.Experimental Study on Impermeability and Frost Resistance of Cement Concrete Improved by Mixing powdered nano-materials.
Natural Edition of Journal of Northwest A&F University. 2004, 32(7):107-110
[4]Guhua Li, The Durability of Cement Concrete Influenced by Mixing Nano-Materials.
Online since: December 2018
Authors: Cheng Bo Xiao, Guo Qing Zhang, Michael J. Gorley, Zu Liang Hong, Sarah Day, Chiu C. Tang, Zhou Li, Liang Zheng, Yu Feng Liu
Tang4, Zhou Li1, Chengbo Xiao1 and Guoqing Zhang1
1Science and Technology on Advanced High Temperature structural Materials Laboratory, Beijing Institute of Aeronautical Materials, P.O.
China 2Culham Centre for Fusion Energy, Culham science Centre, Abingdon, Oxfordshire, OX14 3DB, UK 3Department of Materials, University of Oxford, Begbroke Science Park, Oxfordshire OX5 1PF, UK 4Diamond Light Source, Harwell Science and Innovation Campus, Oxfordshire OX11 0DE, UK a*liang_zheng@126.com Keywords: Superalloy; DZ22; 625 alloy; DSC; heating/cooling rate; Particle size range; JMatPro; Synchrotron XRD; Phase transformations Abstract.
Ni-base superalloy is one of the most complex engineering materials.
Journal of Propulsion & Power. 22 (2006) 361-374
Advanced Materials & Processes, 5 (2008) 33-35
China 2Culham Centre for Fusion Energy, Culham science Centre, Abingdon, Oxfordshire, OX14 3DB, UK 3Department of Materials, University of Oxford, Begbroke Science Park, Oxfordshire OX5 1PF, UK 4Diamond Light Source, Harwell Science and Innovation Campus, Oxfordshire OX11 0DE, UK a*liang_zheng@126.com Keywords: Superalloy; DZ22; 625 alloy; DSC; heating/cooling rate; Particle size range; JMatPro; Synchrotron XRD; Phase transformations Abstract.
Ni-base superalloy is one of the most complex engineering materials.
Journal of Propulsion & Power. 22 (2006) 361-374
Advanced Materials & Processes, 5 (2008) 33-35
Online since: January 2015
Authors: Leonid Pakrastinsh, Svetlana Belyaeva, Maria Antonova, Daria Glushko
First of all standards for materials and standards for testing methods should be analyzed.
Construction materials are fundamental for construction activity.
It should be used in accordance with the standards on initial materials and test methods.
EN 206:2013 should be used in conjunction with the standards for constituent materials and test methods.
Quality control of the constructional materials (2011) Quality control of the constructional materials, pp. 150
Construction materials are fundamental for construction activity.
It should be used in accordance with the standards on initial materials and test methods.
EN 206:2013 should be used in conjunction with the standards for constituent materials and test methods.
Quality control of the constructional materials (2011) Quality control of the constructional materials, pp. 150
Online since: October 2019
Authors: A. Gandhimathi, R. Aravind
Remove the site material and replace with a superior material.
For example, the subgrade may be mixed with other soils or materials, or the soil density of the subgrade may be increased by means of compaction, and/or the subgrade material may be replaced with other soils or materials.
There is also a high carbon footprint and adverse environmental effects associated with the transportation of heavy road materials.
Chemical stabilization on the other hand is a process by which chemicals such as cement, fly-ash, lime, chloride compounds or a combination of these are introduced to pavement materials.
References [1] Harshita Bairagi “International journal of engineering sciences and research technology” [2] Habiba Afrin, “A Review on Different Types Soil Stabilization Techniques” [3] Amala Raju Arul.
For example, the subgrade may be mixed with other soils or materials, or the soil density of the subgrade may be increased by means of compaction, and/or the subgrade material may be replaced with other soils or materials.
There is also a high carbon footprint and adverse environmental effects associated with the transportation of heavy road materials.
Chemical stabilization on the other hand is a process by which chemicals such as cement, fly-ash, lime, chloride compounds or a combination of these are introduced to pavement materials.
References [1] Harshita Bairagi “International journal of engineering sciences and research technology” [2] Habiba Afrin, “A Review on Different Types Soil Stabilization Techniques” [3] Amala Raju Arul.
Online since: June 2024
Authors: Aniqa Tasnim, Chanchal Kumar Roy, H.M. Mamun Al Rashed
Introduction
The current challenge in designing new materials is concerned with the increasing use of light alloys in high-technology materials.
Methodology Material preparation The Mg–2Zn–xSn (x=0%, 2%, 4%) alloy was produced by permanent mould casting using high quality Mg (99%), Zn and Sn as raw materials.
Materials were obtained through the GARE project of the Ministry of Education, Government of Bangladesh.
Xu, “Advanced lightweight materials for Automobiles: A review,” Materials and Design, vol. 221.
Chen, “Effect of Sn addition on the deformation behavior and microstructural evolution of Mg-Gd-Y-Zr alloy during hot compression,” Materials Science and Engineering A, vol. 826, Oct. 2021, doi: 10.1016/j.msea.2021.142026
Methodology Material preparation The Mg–2Zn–xSn (x=0%, 2%, 4%) alloy was produced by permanent mould casting using high quality Mg (99%), Zn and Sn as raw materials.
Materials were obtained through the GARE project of the Ministry of Education, Government of Bangladesh.
Xu, “Advanced lightweight materials for Automobiles: A review,” Materials and Design, vol. 221.
Chen, “Effect of Sn addition on the deformation behavior and microstructural evolution of Mg-Gd-Y-Zr alloy during hot compression,” Materials Science and Engineering A, vol. 826, Oct. 2021, doi: 10.1016/j.msea.2021.142026
Online since: January 2012
Authors: Ping Hao Zhang, Xin Yue Wu, Jiang Gui Han
The stress concentration due to the materials with different mechanical properties makes the most damage occurred in the component interface.
Rubber fault is caused by material inside or pre-existing or introduced small defects in surface.
Considering impact on the interface crack caused by large deformation of material, we choose the relatively simple Mooney-Rivlin constitutive model which can represent large deformation capacity to simulate the rubber material, determine that the Shore hardness HA is 66 degrees by the rubber hardness test, and propose that material constant C10 is 0.6182, C01 is 0.1546.
Characteristic energy for tearing[J].Journal of Polymer Science,1953,10:291–318
Vol.61, 1988, 42~43 [3] Lindley P B and Teo S C.Energy for crack growth at the bonds of rubber springs[J].Plastics and Rubber:Materials and Applications,1979,4(1):29-37
Rubber fault is caused by material inside or pre-existing or introduced small defects in surface.
Considering impact on the interface crack caused by large deformation of material, we choose the relatively simple Mooney-Rivlin constitutive model which can represent large deformation capacity to simulate the rubber material, determine that the Shore hardness HA is 66 degrees by the rubber hardness test, and propose that material constant C10 is 0.6182, C01 is 0.1546.
Characteristic energy for tearing[J].Journal of Polymer Science,1953,10:291–318
Vol.61, 1988, 42~43 [3] Lindley P B and Teo S C.Energy for crack growth at the bonds of rubber springs[J].Plastics and Rubber:Materials and Applications,1979,4(1):29-37
Online since: September 2013
Authors: Xiao Ming Wang, Guo Feng Han, Sheng Zhu, Qing Chang
Testing methods
Testing materials and coating fabrication method.
ZM5 magnesium alloy selected as testing matrix material, its chemical composition(mass percentage) was as follows: Al,7.5~9.0; Mn,0.15~0.5; Si,0.30; Zn,0.2~0.8; Fe,0.05; Cu,0.20; Ni,0.01; impurity,0.50.
Al-Si powders adopted as spraying material, its chemical composition(mass percentage)was as follows: Si,11.8; Cu,0.02; Fe,0.16; Mg,0.01; Mn,0.01; Al,bal.
Saturated calomel electrode (SCE) used as reference electrode, graphite materials employed as auxiliary electrode, the coating sample utilized as working electrode.
China, (2008), p. 334 [2] CHEN Zhenhua: Magnesium Alloy(Chemical Industrial Press, Beijing 2004) [3] ZHANG Yanhao: Chemistry Manual(Shanghai Jiaotong University Press, Shanghai 2000) [4] Hélène Ardelean, Isabelle Frateur and Philippe Marcus: Corrosion Science, Vol. 50 (2008), p. 1907 [5] Isler Duygu, Birol Yucel and Urgen Mustafa: International Journal of Material Forming, Vol. 3 (2010), p. 747 [6] Yu Kyong Kim, Man Hyung Lee and Prasad Madhav Nepane: Advanced Materials Research, (2008), p. 1290 [7] Zeng Rongchang, Chen Jun and Kuang Jun: Rare Metals, Vol. 29 (2010), p. 193 [8] Wu Li-Ping, Zhao Jing-Jing and Xie Yong-Ping: Transactions of Nonferrous Metals Society of China.
ZM5 magnesium alloy selected as testing matrix material, its chemical composition(mass percentage) was as follows: Al,7.5~9.0; Mn,0.15~0.5; Si,0.30; Zn,0.2~0.8; Fe,0.05; Cu,0.20; Ni,0.01; impurity,0.50.
Al-Si powders adopted as spraying material, its chemical composition(mass percentage)was as follows: Si,11.8; Cu,0.02; Fe,0.16; Mg,0.01; Mn,0.01; Al,bal.
Saturated calomel electrode (SCE) used as reference electrode, graphite materials employed as auxiliary electrode, the coating sample utilized as working electrode.
China, (2008), p. 334 [2] CHEN Zhenhua: Magnesium Alloy(Chemical Industrial Press, Beijing 2004) [3] ZHANG Yanhao: Chemistry Manual(Shanghai Jiaotong University Press, Shanghai 2000) [4] Hélène Ardelean, Isabelle Frateur and Philippe Marcus: Corrosion Science, Vol. 50 (2008), p. 1907 [5] Isler Duygu, Birol Yucel and Urgen Mustafa: International Journal of Material Forming, Vol. 3 (2010), p. 747 [6] Yu Kyong Kim, Man Hyung Lee and Prasad Madhav Nepane: Advanced Materials Research, (2008), p. 1290 [7] Zeng Rongchang, Chen Jun and Kuang Jun: Rare Metals, Vol. 29 (2010), p. 193 [8] Wu Li-Ping, Zhao Jing-Jing and Xie Yong-Ping: Transactions of Nonferrous Metals Society of China.
Online since: April 2015
Authors: Jong Bok Park, Jung Ju Lee, In Seo Son, Dong Kil Shin, Yu Jeong Shin, Gwan Pyo Son
Introduction
Composite materials have been widely used as light-weight automotive and aerospace structural members.
For finite element analysis (FEA), a progressive damage evolution model has been studied to analyze the failure of composites materials [2].
Journal of Applied Mechanics 47 (1980) 329-334
Hurtado, Progressive damage modeling in fiber-reinforced materials.
Davila, Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials.
For finite element analysis (FEA), a progressive damage evolution model has been studied to analyze the failure of composites materials [2].
Journal of Applied Mechanics 47 (1980) 329-334
Hurtado, Progressive damage modeling in fiber-reinforced materials.
Davila, Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials.
Online since: September 2015
Authors: Hanita Daud, Radzuan Razali, Vijanth Asirvadam
Data fitting is an important tool that has been used extensively in many applications of sciences and engineering.
Table 2: Properties of Layers Materials Parameter Conductivity σ (S/m) Relative Permittivity(ɛr) Relative Permeability (µr) Air 1 x 10-11 1 1 Seawater 3 80 1 Sediment 1.5 30 1 HC 0.001 4 1 These simulations were conducted with no HC in the model and repeated by placing HC at various depths starting from 1000 m until it reached 3000 m depth.
Oslo : Oil Gas Journal, 2002. - May 13, 2002 edition [2] F.
International Journal of Science in Emerging Technology, Vol 3, No 1 January, 2012 [6] H.
Department of Computer Science, City College of New York, CUNY [12] C.
Table 2: Properties of Layers Materials Parameter Conductivity σ (S/m) Relative Permittivity(ɛr) Relative Permeability (µr) Air 1 x 10-11 1 1 Seawater 3 80 1 Sediment 1.5 30 1 HC 0.001 4 1 These simulations were conducted with no HC in the model and repeated by placing HC at various depths starting from 1000 m until it reached 3000 m depth.
Oslo : Oil Gas Journal, 2002. - May 13, 2002 edition [2] F.
International Journal of Science in Emerging Technology, Vol 3, No 1 January, 2012 [6] H.
Department of Computer Science, City College of New York, CUNY [12] C.
Online since: February 2014
Authors: Qi Ming Wang, Jian Xing Xue, Xue Dong Gu, Li Qiang Song, Xue Bin Zhai, Bao Qing Zhao
Acknowledgements
This work is supported by the National Natural Science Foundation of China (11173035).
References [1] Rendong Nan: Science in China Vol. 49(2006), p.129 [2] Ning Li, Jianxing Xue and Qiming Wang: Science Technology and Engineering Vol. 11(2012), p. 2760 (In Chinese)
[5] Qin Yang, Chengming Li: Journal of Information Technology in Civil Engineering and Architecture Vol.2(2010), p.61 (In Chinese)
[7] Jianjie Zhang, Qing Zhang, Xianrong Qin, Tianwei He and Yongming Bian: Chinese Journal of Construction Machinery Vol.8(2010), p.101 (In Chinese)
[8] Xiaoyu Sun, Zhenqing Wang: Advanced Materials Research Vol. 430(2012), p.1751
References [1] Rendong Nan: Science in China Vol. 49(2006), p.129 [2] Ning Li, Jianxing Xue and Qiming Wang: Science Technology and Engineering Vol. 11(2012), p. 2760 (In Chinese)
[5] Qin Yang, Chengming Li: Journal of Information Technology in Civil Engineering and Architecture Vol.2(2010), p.61 (In Chinese)
[7] Jianjie Zhang, Qing Zhang, Xianrong Qin, Tianwei He and Yongming Bian: Chinese Journal of Construction Machinery Vol.8(2010), p.101 (In Chinese)
[8] Xiaoyu Sun, Zhenqing Wang: Advanced Materials Research Vol. 430(2012), p.1751