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Online since: July 2005
Authors: Wen Jiang Ding, Hong Tao Gao, Yan Ping Zhu, Yu Fan, Guo Hua Wu
Tamura [14, 15] believe that manganese disturbs the grain refinement of
magnesium alloys.
Table 4 Statistical volume fraction of nonmetallic inclusions in the specimens Specimen code Number of fields Total area of fields(mm2) Maximum volume fraction (%) Minimum volume fraction (%) Average volume fraction (%) 0 100 1.4 6.53 0.95 2.06 1 100 1.4 0.55 0.16 0.21 2 100 1.4 1.01 0.25 0.86 3 100 1.4 0.52 0.19 0.23 Corrosion Resistance.
Table 4 Statistical volume fraction of nonmetallic inclusions in the specimens Specimen code Number of fields Total area of fields(mm2) Maximum volume fraction (%) Minimum volume fraction (%) Average volume fraction (%) 0 100 1.4 6.53 0.95 2.06 1 100 1.4 0.55 0.16 0.21 2 100 1.4 1.01 0.25 0.86 3 100 1.4 0.52 0.19 0.23 Corrosion Resistance.
Online since: February 2012
Authors: Lukas Kwiatkowski, Eugen Krebs, Peter Sieczkarek, Jan Herper, Dirk Biermann, A. Erman Tekkaya, Wolfgang Tillmann
These films exhibit a decrease of the grain size and an improved finer microstructure with an increase of the aluminum content.
Fig. 8 Comparison of the process forces: a) tool type A – increasing number of steps, b) tool type A and B – after 5 and 40 steps Conclusions and Outlook In this article, an improvement of an incremental forming process, using bionic microstructures and hard coatings, is presented.
Fig. 8 Comparison of the process forces: a) tool type A – increasing number of steps, b) tool type A and B – after 5 and 40 steps Conclusions and Outlook In this article, an improvement of an incremental forming process, using bionic microstructures and hard coatings, is presented.
Online since: May 2011
Authors: Hong Zhou Ma, Bai Long Liu, Jian Tao Ju, Fu Cai Zhao, Zhao Hui Zhang
This is due to the existence of a large number of arsenate has impact on the aurum extraction reaction.
When grain size of -200 mesh are 90% of all in the arsenic gold, the optimum conditions for fixing arsenic roasting process are obtained through the experiments above: the amount of CaCO3 is 3%, the roasting temperature is 650℃ and time is 4 h.
When grain size of -200 mesh are 90% of all in the arsenic gold, the optimum conditions for fixing arsenic roasting process are obtained through the experiments above: the amount of CaCO3 is 3%, the roasting temperature is 650℃ and time is 4 h.
Online since: January 2012
Authors: Michel Gerland, C. Belamri, Andre Rivière, N. Benyahia
The previously described non-thermally activated effects are generally linked to the thermoelastic effect due to the temperature change between the compressed and dilated part of the grains for a polycrystalline sample during the internal friction experiment.
This transformation concerns a larger number of atoms for increasing temperature and the effect is increasing.
This transformation concerns a larger number of atoms for increasing temperature and the effect is increasing.
Online since: May 2011
Authors: Xue Qing Liu, Ji Yan Liu
The nature of the silica, their distribution, dimensions, the hydroxyl group number on the surface, the polymer HTadhesioTHn and shape have been related to the final properties and application of nanosilica reinforced epoxy composite.
It can be observed that agglomerate is departed, most of the grains are spherical with size ranging from 30 to 50 nm, they stick slackly each other and there are many interstitial between particles.
It can be observed that agglomerate is departed, most of the grains are spherical with size ranging from 30 to 50 nm, they stick slackly each other and there are many interstitial between particles.
Online since: May 2010
Authors: Giovanni Bruno, Alexander M. Efremov, Bjørn Clausen, Darren J. Hughes, Andrey N. Levandovskiy, Irina Pozdnyakova
Heap et al.[4] found a variation of
both Young's modulus and Poisson's ratio of basalt rocks as a function of cycle number in alternate
loading.
This is basically due to the fact that microcracking (which is a discrete phenomenon) releases microstresses and therefore unloaded grains coexist with overloaded ones
This is basically due to the fact that microcracking (which is a discrete phenomenon) releases microstresses and therefore unloaded grains coexist with overloaded ones
Online since: July 2011
Authors: Zainovia Lockman, Abdul Razak Khairunisak, Rabizah Makhsin Siti
WO3 also possesses good photons absorbability because tungsten has a high atomic number element which is 74 and can absorb photons radiation effectively [6].
Increasing oxidation temperatures to 500°C causes seeds to grow into large grains with random distribution.
Increasing oxidation temperatures to 500°C causes seeds to grow into large grains with random distribution.
Online since: November 2012
Authors: Ya Jun Fan, Zhang Xu, Ding Wensi
Skewness of the whole mesh was controlled below 0.9 and the cell number is about 1.68 million.
References [1] Ding Wensi, He Xiangbin, Numerical simulation of internal flow field in three-stage centrifugal fan of grain sucker, J.
References [1] Ding Wensi, He Xiangbin, Numerical simulation of internal flow field in three-stage centrifugal fan of grain sucker, J.
Online since: July 2012
Authors: Shao Guo Wen, Jin Shen Chen, Hong Mei Zhi
Therefore, certain number holes for abrasive tool cooling are very important.
However the size of abrasive particle should be smaller than that in the experiment, and never contain some big grain.
However the size of abrasive particle should be smaller than that in the experiment, and never contain some big grain.
Online since: October 2011
Authors: Ming Ma, Hui Hui Zhang
These buildings reflected the evolution and development grain of Beizhu traditional residence [5].
Such as increasing the number of wing-room, the hall is main room of indoor residential address space.
Such as increasing the number of wing-room, the hall is main room of indoor residential address space.