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Online since: January 2010
Authors: You Tang Li, Wu Yin Jin, Chang Feng Yan
The stress function and stress field intensity of the materials under composted cyclic stress are
analyzed.
For isotropic materials, the distribution of stress and strain is relation to the shape of notch.
References [1] J.Kminer: Journal of Mechanical Engineering Science, Vol.205 (1991) , p.2912304 [2] M.C.Yip and Y.M.Jen: J.
Engineering Materials and Technology, Vol.119 (1997), p.104 [3] I.
Kocabicak and M.Firat: Materials and Design, Vol.25 (2004), p.73
For isotropic materials, the distribution of stress and strain is relation to the shape of notch.
References [1] J.Kminer: Journal of Mechanical Engineering Science, Vol.205 (1991) , p.2912304 [2] M.C.Yip and Y.M.Jen: J.
Engineering Materials and Technology, Vol.119 (1997), p.104 [3] I.
Kocabicak and M.Firat: Materials and Design, Vol.25 (2004), p.73
Online since: February 2012
Authors: Zbigniew Malinowski, Beata Hadala, Tadeusz Telejko, Agnieszka Cebo-Rudnicka
Plate and strip hot rolling lines are equipped with water cooling systems used to control the deformed material temperature.
The suitable cooling rate and the deformed material temperature can be determined based on numerical simulations.
In the industry the combination of different systems can be found depending on many factors (technology, material, geometry, etc.).
The work has been financed by the Ministry of Science and Higher Education of Poland, Grant no N R15 0020 10.
Telejko, Inverse determination of boundary conditions during boiling water heat transfer in quenching operation, Journal of Materials Processing Technology, 155–156 (2004) 1324–1329
The suitable cooling rate and the deformed material temperature can be determined based on numerical simulations.
In the industry the combination of different systems can be found depending on many factors (technology, material, geometry, etc.).
The work has been financed by the Ministry of Science and Higher Education of Poland, Grant no N R15 0020 10.
Telejko, Inverse determination of boundary conditions during boiling water heat transfer in quenching operation, Journal of Materials Processing Technology, 155–156 (2004) 1324–1329
Online since: January 2010
Authors: Knut Marthinsen, Trond Furu, Erik Nes, Bjørn Holmedal, Shahriar Abtahi, Jesper Friis
Furu
4,f
1
Department of Materials Science and Engineering, Norwegian University of Science and
Technology (NTNU), N-7491 Trondheim Norway
2
Simin Research AS, N-7110 Fevåg, Norway
3
SINTEF Materials and Chemistry, N-7465 Trondheim, Norway
4
Hydro Aluminium, RDS, N-6601 Sunndalsøra, Norway
a
knut.marthinsen@material.ntnu.no, bshahriar.abtahi@simin.no,
cbjorn.holmedal@material.ntnu.no, djesper.friis@sintef.no, eerik.nes@material.ntnu.no,
f
trond.furu@hydro.com
Keywords: Aluminium; Non-heat-treatable alloys; Work hardening; Solute effects; Particle effects.
Materials Sci, Vol. 41 (1998), 129
Nes, Materials Science and Technology, Vol. 17 (2001), 376
Marthinsen, Materials Science and Engineering, Vol.
Dons, Journal of Light Metals, Vol. 1 (2001), 133.
Materials Sci, Vol. 41 (1998), 129
Nes, Materials Science and Technology, Vol. 17 (2001), 376
Marthinsen, Materials Science and Engineering, Vol.
Dons, Journal of Light Metals, Vol. 1 (2001), 133.
Online since: January 2013
Authors: Clayton Stone, Miloslav Bagoňa
Modern earth building has resurged in many markets partly because of an increased awareness of the vast energy consumption and subsequent costs needed to manufacture modern non-traditional building materials.
Material composition will strictly conform to Ramtec's specifications with the exception of a trial including a zeolite additive.
Insulation dimensions should aim to meet minimum "Passive house" requirements for Slovakia; 0.15 (W/m2K) as of 2012. 4.3 Sources of information · Data will be sourced from existing codes, manuals and relevant journals
To a lesser extent, testing may also be conducted at the Slovak Academy of Science in Bratislava by agreement.
Of the materials many advantages: Distinct aesthetic appearance, high thermal storage, excellent acoustics and fire resistance, perhaps the most prized is the passive balance of air humidity which intriguingly, is surprisingly elusive amongst modern materials of airtight envelope constructions in Europe today.
Material composition will strictly conform to Ramtec's specifications with the exception of a trial including a zeolite additive.
Insulation dimensions should aim to meet minimum "Passive house" requirements for Slovakia; 0.15 (W/m2K) as of 2012. 4.3 Sources of information · Data will be sourced from existing codes, manuals and relevant journals
To a lesser extent, testing may also be conducted at the Slovak Academy of Science in Bratislava by agreement.
Of the materials many advantages: Distinct aesthetic appearance, high thermal storage, excellent acoustics and fire resistance, perhaps the most prized is the passive balance of air humidity which intriguingly, is surprisingly elusive amongst modern materials of airtight envelope constructions in Europe today.
Online since: July 2011
Authors: C.Y. Zhang, Li Zhou, Shu Tao Huang
In this paper, a right triangular heat source between the grinding wheel and the workpiece was used without modeling material removal.
Acknowledgements The authors gratefully acknowledge the financially supported by National Natural Science Foundation of China (No.50975184).
Karthikeyan: Materials and Design Vol. 28 (2007), pp: 1584-1591
Malkin: Journal of Engineering for Industry Vol. 117 (1995), pp: 571
Zhou: Key Engineering Materials Vol. 359-360 (2008), pp: 128-132
Acknowledgements The authors gratefully acknowledge the financially supported by National Natural Science Foundation of China (No.50975184).
Karthikeyan: Materials and Design Vol. 28 (2007), pp: 1584-1591
Malkin: Journal of Engineering for Industry Vol. 117 (1995), pp: 571
Zhou: Key Engineering Materials Vol. 359-360 (2008), pp: 128-132
Online since: August 2012
Authors: Guerold Sergueevitch Bobrovinitchii, Ana Lúcia Diegues Skury, Sérgio Neves Monteiro, Marcia G. de Azevedo
Experimental Procedure
The precursor materials used in this investigation was a cBN powder with particle size of 100µm, as well as WC powder with particle size of 100µm and co powder with particle size of 50µm.
Echeberria: Journal of the American Ceramic Society Vol. 90 (2007), p. 415
Yaman and H Mandal: Materials Letters Vol. 63 (2009), p. 1041
Szawłowski: Materials Scienceand Engineering Vol. 18 (2011) [6] G.S.
Science Forum Vol. 660 (2010), p.837.
Echeberria: Journal of the American Ceramic Society Vol. 90 (2007), p. 415
Yaman and H Mandal: Materials Letters Vol. 63 (2009), p. 1041
Szawłowski: Materials Scienceand Engineering Vol. 18 (2011) [6] G.S.
Science Forum Vol. 660 (2010), p.837.
Online since: March 2017
Authors: Choncharoen Sawangrat, Komgrit Leksakul
A material’s mechanical properties depend on its microstructure [3].
This type of morphological transformation has also been found in some other materials [7-8].
Due to these microstructural features, materials with a harmonic structure have superior mechanical properties compared to conventional materials.
This relationship has also been shown in other materials [4-8]. 25mm Core Shell Figure 5: Backscattered electron micrograph of a cross-section of the prepared milled-powder sintered compacts Mechanical properties of sintered compacts.
Ameyama: Journal of Material Science 49 (2014), p. 6579-6585
This type of morphological transformation has also been found in some other materials [7-8].
Due to these microstructural features, materials with a harmonic structure have superior mechanical properties compared to conventional materials.
This relationship has also been shown in other materials [4-8]. 25mm Core Shell Figure 5: Backscattered electron micrograph of a cross-section of the prepared milled-powder sintered compacts Mechanical properties of sintered compacts.
Ameyama: Journal of Material Science 49 (2014), p. 6579-6585
Online since: January 2022
Authors: Dmitry Utkin
Such materials, according to numerous studies, include fiber-reinforced concrete and composite materials [4 ... 10].
Materials with increased plastic properties in the elastic-plastic and plastic stages of operation have a significant advantage in the perception of dynamic loads.
An analytical description of the values of the dynamic hardening coefficients for materials is obtained on the basis of logarithmic dependences of Professors Yu.
Further, the stresses in each of these materials are calculated based on certain values of deformations.
Scientific and technical journal « Earthquake-resistant construction.
Materials with increased plastic properties in the elastic-plastic and plastic stages of operation have a significant advantage in the perception of dynamic loads.
An analytical description of the values of the dynamic hardening coefficients for materials is obtained on the basis of logarithmic dependences of Professors Yu.
Further, the stresses in each of these materials are calculated based on certain values of deformations.
Scientific and technical journal « Earthquake-resistant construction.
Online since: August 2012
Authors: Lei Zhang, Hong Liang Ge, Min Zhong
Research on the lipophilic degree of surface modified ZnO nanocrystals with different morphologies
Lei Zhang, Hongliang Ge, Min Zhong*
College of Materials Science and Engineering, China Jiliang University, Hang Zhou 310018, China
*zhongmin@cjlu.edu.cn
Keywords: Lipophilic degree; ZnO nanocrystals; Surface modification
Abstract.
In other wise, organic district can occupy different organic functional groups which not only have different chemical properties but also can react with different organic materials.
All in all, NDZ-311w titanate coupling agent acts as a “bridge” by connecting inorganic and organic materials.
Therefore, they display extremely bad dispersibility and lipophilicity in organic medium,which make the compatibility poorly between inorganic ZnO nanocrystals and organic polymer materials.
KIRIAKIDIS: Journal of Ovonic Research.
In other wise, organic district can occupy different organic functional groups which not only have different chemical properties but also can react with different organic materials.
All in all, NDZ-311w titanate coupling agent acts as a “bridge” by connecting inorganic and organic materials.
Therefore, they display extremely bad dispersibility and lipophilicity in organic medium,which make the compatibility poorly between inorganic ZnO nanocrystals and organic polymer materials.
KIRIAKIDIS: Journal of Ovonic Research.
Online since: October 2018
Authors: Sheng Li Niu, Jin Hui Zhu, Ying Hong Zuo
In this paper, the Monte Carlo method is used to simulate the neutron shielding performance of iron/borated-polyethylene composite materials.
The neutron transmission coefficient of the composite shield is microscopically dominated by the interaction cross section between neutrons and radionuclide such as 1H, 12C and 56Fe in shielding materials.
Namito, Nuclear Science and Engineering, 96 (1987) 30-38
Sharafi, International Journal of Radiation Research, 14 (2016) 379-383
Wang, Atomic Energy Science and Technology, 43 (2009) 688-692
The neutron transmission coefficient of the composite shield is microscopically dominated by the interaction cross section between neutrons and radionuclide such as 1H, 12C and 56Fe in shielding materials.
Namito, Nuclear Science and Engineering, 96 (1987) 30-38
Sharafi, International Journal of Radiation Research, 14 (2016) 379-383
Wang, Atomic Energy Science and Technology, 43 (2009) 688-692