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Online since: June 2019
Authors: Karin Peter, Alexander Brückner, Volker Altstädt, Markus Häublein
Besides good mechanical properties, good processibillity and low internal stresses due to low shrinkage while curing, epoxy resins can also be optimized for different applications with the variation of monomer chemistry. [1] Due to their high mechanical properties and low density, CFRP are increasingly used especially in transportation like automotive, aircraft or rail services to decrease overall weight of the structures and save energy.
The neat epoxy novolac and phosphorous modified laminates indicate a soot like structure which results in the combustion of the matrix material.
The neat epoxy novolac and phosphorous modified laminates indicate a soot like structure which results in the combustion of the matrix material.
Online since: December 2012
Authors: Ismail Hanafi, Shamala Ramasamy, Yamuna Munusamy
Figure 6 presents the micrograph of the controlled NRLF which clearly reveals the open cell structure of the foam.
Figure 8 shows that the RHP filler binds well with the matrix while Figure 9 shows the filler fills up the microsized voids in the open cell structure of NRLF.
M.; Abdullah, Ibrahim., Reinforcement of natural rubber/high density polyethylene blends with electron beam irradiated liquid natural rubber-coated rice husk Radiation Physics and Chemistry, 2010. 79(8): p. 906-911
Figure 8 shows that the RHP filler binds well with the matrix while Figure 9 shows the filler fills up the microsized voids in the open cell structure of NRLF.
M.; Abdullah, Ibrahim., Reinforcement of natural rubber/high density polyethylene blends with electron beam irradiated liquid natural rubber-coated rice husk Radiation Physics and Chemistry, 2010. 79(8): p. 906-911
Online since: February 2013
Authors: Hui Peng, Yan Ling Pei, Peng Chao Dai, Sheng Kai Gong, Yue Ma, Shu Suo Li
After 100 h thermal exposure, the structure of the coating degraded into γ′-Ni3Al from β-phase.
The cross-sectional structure indicated that a continuous Al2O3 scale formed on the coating. 3 The NiAlHfSi coating can effectively prevent the outward diffusion of Mo from forming volatile MoO3.
Fresenius’ Journal of Analytical Chemistry, 1996, 355(5): 703−706
The cross-sectional structure indicated that a continuous Al2O3 scale formed on the coating. 3 The NiAlHfSi coating can effectively prevent the outward diffusion of Mo from forming volatile MoO3.
Fresenius’ Journal of Analytical Chemistry, 1996, 355(5): 703−706
Online since: May 2019
Authors: Mira L. Esmalde, Dara Veromica B. Condol, Ruth R. Aquino, Marvin S. Tolentino, Blessie A. Basilia
This was probably due to the adsorption of PSf and NMP onto the clay particles’ surface layer resulted to a smaller amount of NMP components that solvate the produced structure.
According to Saravanana et al. (2016) [8], by increasing clay content in the matrix, the agglomerated network structure increases in the film because of poor interfacing with the polymer.
Ullmann's Encyclopedia of Industrial Chemistry, (2000) [3] A.
According to Saravanana et al. (2016) [8], by increasing clay content in the matrix, the agglomerated network structure increases in the film because of poor interfacing with the polymer.
Ullmann's Encyclopedia of Industrial Chemistry, (2000) [3] A.
Online since: November 2012
Authors: Z. Fekete, P. Fürjes, A. Pongrácz, G. Márton
Introduction
Functional connectivity between different brain areas can be uncovered by using simultaneous multi-site recording techniques, where silicon-based neural multielectrode structures play an increasing role.
Buried microchannel in Sisilicon In order to remove the SiO2 protection layer from the bottom of the trench, an anisotropic etch recipe using CHF3 + Ar plasma chemistry is utilized (step 5).
The functional parameters of the proposed microneedles as hydrodynamic resistance and mechanical stability were also characterised as the function of the geometrical parameters of the realised structures considering the technological limitations also.
Buried microchannel in Sisilicon In order to remove the SiO2 protection layer from the bottom of the trench, an anisotropic etch recipe using CHF3 + Ar plasma chemistry is utilized (step 5).
The functional parameters of the proposed microneedles as hydrodynamic resistance and mechanical stability were also characterised as the function of the geometrical parameters of the realised structures considering the technological limitations also.
Online since: January 2014
Authors: Gang Wang, Jian Zhong Shi
China is a large energy consumption country, with energy supply dominated by fossil energy, under the overall background of adjusting industrial structure and transforming the economic development mode, and in order to control the excessive growth of energy consumption demand and reduce the emission of greenhouse gases, the application of sea water desalination has always been promoted prudently and slowly.
Fig. 1 The system structure of the non-grid-connected diverse application of large-scale offshore wind power Active exploration in this aspect has been made by the “Large-scale Application of 973 Non-grid-connected Wind Power”, a key basic research project of the Ministry of Science and Technology and a series of scientific research achievements with international advanced level, practical value and feasible industrialization promotion have been made.
Progress In Chemistry, 2005,17(3):423~429 [3] Ni meng, M.K.H.
Fig. 1 The system structure of the non-grid-connected diverse application of large-scale offshore wind power Active exploration in this aspect has been made by the “Large-scale Application of 973 Non-grid-connected Wind Power”, a key basic research project of the Ministry of Science and Technology and a series of scientific research achievements with international advanced level, practical value and feasible industrialization promotion have been made.
Progress In Chemistry, 2005,17(3):423~429 [3] Ni meng, M.K.H.
Online since: December 2012
Authors: Oleg Sazhin
Studying databases of patents shows an increasing interest during recent years for the development of new thermal flow microsensors designs, based on the use of formation technologies of micro- and nanoscale surface structures (see, for example, [2]).
Lammerink, Micro Total Analysis Systems: Microfluidic aspects, integration concept and applications, in: Microsystem Technology in Chemistry and Life Science 194, Springer, Berlin, 1998, pp. 21-49
Borisov, Role of the Surface Structure in Formation of a Rarefied Gas Flow in a Channel, J.
Lammerink, Micro Total Analysis Systems: Microfluidic aspects, integration concept and applications, in: Microsystem Technology in Chemistry and Life Science 194, Springer, Berlin, 1998, pp. 21-49
Borisov, Role of the Surface Structure in Formation of a Rarefied Gas Flow in a Channel, J.
Online since: December 2024
Authors: Sri Mulyati, Anisa Luthfiana, Aulia Chintia Ambarita, Chyva Rizka Nanda, Cut Meurah Rosnelly
Humic acid's structure comprises aliphatic carbon chains and aromatic compound bonds; approximately 35% of the compounds are aromatic chains, while the remaining compounds are aliphatic chain compounds.
Moreover, the instantaneous demixing occurred due to a reduction in thermodynamic stability and an increase in the rate of separation, leading to the formation of a porous surface structure.
The research findings revealed that adding chitosan improved membrane properties, including surface chemistry (hydrophilicity) and porosity.
Moreover, the instantaneous demixing occurred due to a reduction in thermodynamic stability and an increase in the rate of separation, leading to the formation of a porous surface structure.
The research findings revealed that adding chitosan improved membrane properties, including surface chemistry (hydrophilicity) and porosity.
Online since: July 2014
Authors: Qian Tian, Hua Li, Jia Ping Liu, Shou Zhi Zhang
However, the heat evolution curve of GGBFS paste containing calcined CaO expansive clinker also shows a second peak during 1-2d primarily attributing to the hydration of calcined CaO particles possessing more dense structure and the hydration of calcium sulfate, calcium aluminate wrapped in the same particle with CaO, which produce more Ca(OH)2 and ettringite.
From the pore structure analysis results shown in Fig. 6, the fine Ca(OH)2 crystal particles generated in early age can fill the voids in hardened paste, which is beneficial to strength development.
[13] Lide D R: CRC Handbook of Chemistry and Physics 2009-2010: A Ready Reference Book of Chemical and Physical Data.
From the pore structure analysis results shown in Fig. 6, the fine Ca(OH)2 crystal particles generated in early age can fill the voids in hardened paste, which is beneficial to strength development.
[13] Lide D R: CRC Handbook of Chemistry and Physics 2009-2010: A Ready Reference Book of Chemical and Physical Data.
Online since: April 2015
Authors: Sheng Bao Luo, Wei Li Wang, Liu Hui Li, Zhen Chao Xia, Bing Bo Wei
Dendritic Growth Characteristics of Cu-rich Zone within Phase Separated Fe50Cu50 Alloy
Shengbao Luoa, Weili Wangb, Liuhui Lic, Zhenchao Xiad and Bingbo Weie*
MOE Key Laboratory of Space Applied Physics and Chemistry, Northwestern Polytechnical University, Xi’an 710072, China
asbluo87@163.com, bwlwang@nwpu.edu.cn, cgamov@mail.nwpu.edu.cn, dxzc198778@163.com, dbbwei@nwpu.edu.cn
Keywords: Dendritic growth, Undercooling, Phase separation.
The microstructural morphologies of the phase-separated alloys are characterized by two-layer or multilayer core-shell structures under microgravity conditions [8-10].
Within the gravity field, the microstructural morphology of the phase-separated alloys is characterized by a layered structure due to the density difference between the two separated phases [11-13].
The microstructural morphologies of the phase-separated alloys are characterized by two-layer or multilayer core-shell structures under microgravity conditions [8-10].
Within the gravity field, the microstructural morphology of the phase-separated alloys is characterized by a layered structure due to the density difference between the two separated phases [11-13].