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Online since: June 2012
Authors: Nan Chun Chen, Meng Ying Li, Cheng Ju Zhao, Wei Wang
The best water content ratio is 1% to 10%.
However, when the time is more than 1 hour, there will be fewer impurities.
Fig. 6 SEM of precipitated silica powder Fig. 7 TG It is the thermal weight curve under 10K·min-1 of sample on figure.7.
References [1] T.
Lobato, Synthesis of Crystallineδ-Na2Si2O5 from Sodium Silicate Solution for Use as a Builder in Detergents, Chem.Eng.Sci, 57 (2002) 479-486
However, when the time is more than 1 hour, there will be fewer impurities.
Fig. 6 SEM of precipitated silica powder Fig. 7 TG It is the thermal weight curve under 10K·min-1 of sample on figure.7.
References [1] T.
Lobato, Synthesis of Crystallineδ-Na2Si2O5 from Sodium Silicate Solution for Use as a Builder in Detergents, Chem.Eng.Sci, 57 (2002) 479-486
Online since: July 2015
Authors: Lynda Amirouche, Zakia Sersour
The results are shown in table 1.
The acicular silicon particles appear in the form of randomly oriented thick plates [1, 3, 5].
The figure reveals as well the fine inter-dendritic eutectic phase [1-6].
Table 1 reveals that the iron content is not negligible in our alloys.
Samuel, Effect of grain refiner on the tensile and impact properties of Al–Si–Mg cast alloys, Materials and Design, 56, (2014) 468–479
The acicular silicon particles appear in the form of randomly oriented thick plates [1, 3, 5].
The figure reveals as well the fine inter-dendritic eutectic phase [1-6].
Table 1 reveals that the iron content is not negligible in our alloys.
Samuel, Effect of grain refiner on the tensile and impact properties of Al–Si–Mg cast alloys, Materials and Design, 56, (2014) 468–479
Online since: June 2014
Authors: Mohd Hamdi Bin Abd Shukor, Iis Sopyan, Ahmad Nawawi Natasha, Ramesh Singh, Tan Chou Young, Judha Purbolaksono, Ranna Toulouei
Figure 1.
Besides that, both spectrum also revealed that presence of hydrogen phosphate groups (HPO4-2) and pyrophosphate (P2O7-4) bands are evident at 500°C, for peak at 875 cm-1 and 715 cm-1, respectively.
However, as the temperature increases, the bands of HPO42- at 875 cm-1 and P2O74- at 715 cm-1 in both spectrum are viewed with a decreasing intensity.
References [1] C.K.
A. 70A (2004) 467-479
Besides that, both spectrum also revealed that presence of hydrogen phosphate groups (HPO4-2) and pyrophosphate (P2O7-4) bands are evident at 500°C, for peak at 875 cm-1 and 715 cm-1, respectively.
However, as the temperature increases, the bands of HPO42- at 875 cm-1 and P2O74- at 715 cm-1 in both spectrum are viewed with a decreasing intensity.
References [1] C.K.
A. 70A (2004) 467-479
Online since: September 2016
Authors: H.B. Dong, H.V. Atkinson, Du Yao Zhang
Part of the work presented here has been fully published in [1].
The chemical compositions of the Al-Si eutectic alloy are shown in Table 1.
References [1] D.
, Metallurgical and Materials Transactions A, 47.1 (2016) 1-5
Wilkins, Shape rheocasting of high purity aluminium, Scripta Materialia, 64 (2011) 479-482
The chemical compositions of the Al-Si eutectic alloy are shown in Table 1.
References [1] D.
, Metallurgical and Materials Transactions A, 47.1 (2016) 1-5
Wilkins, Shape rheocasting of high purity aluminium, Scripta Materialia, 64 (2011) 479-482
Online since: November 2017
Authors: Karel Slámečka, Lenka Klakurková, Ladislav Čelko, Pavel Komarov, Martin Papula, Miroslava Horynová, David Jech, Jozef Kaiser
Initial powders and spraying parameters are showed in Table 1 and Table 2, respectively.
Table 1 Initial powders information Chemistry Product Particles size [µm] NiCr 1616-02 H -53+20 Al2O3 40.05.1 G -45+20 92Cr2O3+5SiO2+3TiO2 40.36.7 G -50+15 86WC10Co4Cr 80.76.1 G -45+15 Results and Discussions Microstructure and Phase Composition Analysis.
Cracks were not observed in plasma sprayed coatings cross-sectionals (Fig. 1).
References [1] T.
Balasubramanianb, Influences of atmospheric plasma spraying parameters on the porosity level of alumina coating on AZ31B magnesium alloy using response surface methodology, Progress in Natural Science: Materials International. 22 (5) (2012) 468–479.
Table 1 Initial powders information Chemistry Product Particles size [µm] NiCr 1616-02 H -53+20 Al2O3 40.05.1 G -45+20 92Cr2O3+5SiO2+3TiO2 40.36.7 G -50+15 86WC10Co4Cr 80.76.1 G -45+15 Results and Discussions Microstructure and Phase Composition Analysis.
Cracks were not observed in plasma sprayed coatings cross-sectionals (Fig. 1).
References [1] T.
Balasubramanianb, Influences of atmospheric plasma spraying parameters on the porosity level of alumina coating on AZ31B magnesium alloy using response surface methodology, Progress in Natural Science: Materials International. 22 (5) (2012) 468–479.