Dissolution behavior of calcium-magnesium-silicate glass fiber

2011 ◽  
Vol 18 (6) ◽  
pp. 1833-1837 ◽  
Author(s):  
Hao Liu ◽  
Xi-tang Wang ◽  
Bao-guo Zhang ◽  
Zhou-fu Wang
Keyword(s):  
Glass Fiber ◽  
Silicate Glass ◽  
Magnesium Silicate ◽  
Dissolution Behavior ◽  
Calcium Magnesium

Effects of Al2O3 on the Structure and Properties of Calcium-Magnesium-Silicate Glass Fiber

2012 ◽  
Vol 450-451 ◽  
pp. 42-45
Author(s):  
Hao Liu ◽  
Xi Tang Wang ◽  
Zhou Fu Wang ◽  
Bao Guo Zhang
Keyword(s):  
High Temperature ◽  
Glass Fiber ◽  
Silicate Glass ◽  
Network Structure ◽  
Glass Fibers ◽  
Rapid Development ◽  
Magnesium Silicate ◽  
Ceramic Fiber ◽  
Dissolution Properties ◽  
Calcium Magnesium

Calcium-magnesium-silicate glass fiber is a kind of candidate materials for aluminosilicate ceramic fiber in high temperature resistant field. However, the large thermal shrinkage limits its rapid development and industrial application in high temperature insulation field. It has been known that the shrinkage under high temperatures is mainly affected by the structure and crystallization mechanisms of glass fibers. Thus, Al2O3 was chosen as additive in the chemical composition of glass fiber to investigate the glassy network structure, crystallization and dissolution properties of calcium-magnesium-silicate glass fiber by DTA, XRD and ICP-AES techniques. The results show that with the addition of Al2O3, the glassy network structure was strengthened and the precipitation of crystals was inhibited for heat-treated fibers. As for the dissolution properties in physiological fluids, though the weight losses, changes of pH values and leached ions concentration lowered slightly with the addition of Al2O3 for the intensified network structure, fibers still present high dissolution rates.

Structure and Properties of Calcium-Magnesium-Silicate Ceramic Fiber with Nd2O3

2011 ◽  
Vol 295-297 ◽  
pp. 406-409 ◽  
Author(s):  
Hao Liu ◽  
Xi Tang Wang ◽  
Zhou Fu Wang ◽  
Bao Guo Zhang
Keyword(s):  
Silicate Glass ◽  
Crystallization Behavior ◽  
Glass Network ◽  
Magnesium Silicate ◽  
Ceramic Fiber ◽  
Structure And Properties ◽  
Viscosity Curve ◽  
Calcium Magnesium ◽  
Lower Temperature ◽  
Silicate Ceramic

Structure, viscosity and crystallization behavior of CaO-MgO-SiO2 ceramic fiber with Nd2O3 were investigated by DTA, XRD and FTIR techniques. The results show that the addition of Nd2O3 enhanced the fiberization by extending the viscosity curve of the glass melt to lower temperature and improved the melt fiberizability. With the reinforcement of silicate glass network by Nd3+, the precipitation of crystals in fibers was inhibited at high temperatures.

Luminescence properties of dysprosium doped calcium magnesium silicate phosphor by solid state reaction method

2015 ◽  
Vol 649 ◽  
pp. 1329-1338 ◽  
Author(s):  
Ishwar Prasad Sahu ◽  
Priya Chandrakar ◽  
R.N. Baghel ◽  
D.P. Bisen ◽  
Nameeta Brahme ◽  
...  
Keyword(s):  
Solid State ◽  
Solid State Reaction ◽  
Magnesium Silicate ◽  
Solid State Reaction Method ◽  
Luminescence Properties ◽  
Reaction Method ◽  
Silicate Phosphor ◽  
Calcium Magnesium

scholarly journals Effects of silicate application on soil fertility and wheat yield

2015 ◽  
Vol 36 (6Supl2) ◽  
pp. 4071 ◽  
Author(s):  
Marcos Vinícius Mansano Sarto ◽  
Maria do Carmo Lana ◽  
Leandro Rampim ◽  
Jean Sérgio Rosset ◽  
Jaqueline Rocha Wobeto
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Wheat Yield ◽  
Chemical Properties ◽  
Magnesium Silicate ◽  
Exchange Capacity ◽  
Soil Chemical Properties ◽  
Randomized Block Design ◽  
Fe And Mn ◽  
Calcium Magnesium

<p>An improvement in soil chemical properties and crop development with silicate application has been confirmed in several plant species. The effects of silicate application on soil chemical properties and wheat growth were investigated in the present study. The experiment was carried out in 8-L plastic pots in a greenhouse. Treatments were arranged in a randomized block design in a 3 × 5 factorial: three soils [Rhodic Acrudox (Ox1), Rhodic Hapludox (Ox2) and Arenic Hapludult (Ult)] and five silicate rates (0, 1, 2, 4 and 6 Mg ha–1 of calcium/magnesium silicate), with four replications. The plant length, number of spikes per pot, shoot dry matter and grain yield, were measured after 115 days of wheat (<em>Triticum aestivum </em>L.) growth. Changes in the soil chemical properties (pH, H+ + Al3+, Al3+, P, K, Ca, Mg, Si, Cu, Zn, Fe and Mn) were analyzed after wheat harvest. Application of calcium/magnesium silicate reduces the potential acidity (H+ + Al3+) and Al3+ phytotoxic; and increases the soil pH, available Ca, Mg and Si, cation exchange capacity (CEC) and soil base saturation. Silicate application did not affect the available P, exchangeable K and availability of micronutrients (Cu, Zn, Fe and Mn) in the three soils. The application of calcium/magnesium silicate in an acid clayey Rhodic Hapludox improves the development and yield of wheat; however, the silicate application in soil with pH higher to 5.3 and high Si availability does not affect the agronomic characteristics and grain yield of wheat.</p><p><strong> </strong></p>

Bismuth-doped silicate glass fiber for ultra-broadband amplification media

2006 ◽  
Author(s):  
Tetsuya Haruna ◽  
Junji Iihara ◽  
Masashi Onishi
Keyword(s):  
Glass Fiber ◽  
Silicate Glass

Cleaner continuous flow production of mesoporous calcium-magnesium silicate as a potential biomaterial

2019 ◽  
Vol 27 (2) ◽  
pp. 503-513
Author(s):  
Chun Hui Zhou ◽  
Shu Ting Xia ◽  
Sridhar Komarneni ◽  
Freeman Bwalya Kabwe ◽  
Gui Chen Jin ◽  
...  
Keyword(s):  
Continuous Flow ◽  
Magnesium Silicate ◽  
Calcium Magnesium

scholarly journals Can silicon (Si) fertilization influence the production and nutritional value of Urochloa Convert HD364?

2019 ◽  
Vol 40 (3) ◽  
pp. 1317
Author(s):  
Jaqueline Rocha Wobeto Sarto ◽  
Marcela Abbado Neres ◽  
Caroline Daiane Nath ◽  
Doglas Bassegio ◽  
Marcos Vinicius Mansano Sarto
Keyword(s):  
Nutritive Value ◽  
Fiber Quality ◽  
Block Design ◽  
Magnesium Silicate ◽  
Tropical Soils ◽  
Mineral Matter ◽  
Randomized Block Design ◽  
Essential Nutrient ◽  
Calcium Magnesium ◽  
Hybrid Cultivar

Tropical soils are highly weathered, acidic, and low in silicon (Si) availability for plants. Si has been considered an essential nutrient for many grasses. Urochloa Convert HD364 is classified as a forage plant that accumulates Si, but the accumulation of this nutrient in the leaf can influence qualitative characteristics, fiber quality, plant architecture, and development of forage. In this study, we aimed to evaluate the production and nutritive value of Urochloa hybrid cultivar Convert HD364 (CIAT 36087) grown from soils collected in the state of Paraná, Brazil. The experiment was carried out in a greenhouse using 8-L plastic pots and three types of soil. Treatments were arranged in a randomized block design in a 3 × 5 factorial: three soils [Rhodic Acrudox (Ox1), Rhodic Hapludox (Ox2) and Arenic Hapludult (Ult)] and five silicate rates (0, 1, 2, 4 and 6 Mg ha-1 of calcium/magnesium silicate), with four replications. Application of CaSiO3 to the soil increases the concentration of Si in the leaves of Urochloa Convert HD364. The dry matter, crude protein and mineral matter, fiber quality, and digestibility of Urochloa were not influenced by the increase in Si levels in the leaves until 45 days after seeding. Forty-five days after planting, CaSiO3 did not interfere with the growth characteristics and production of Urochloa Convert HD364. There is no evidence that the increased Si levels in the leaf affected the production and nutritive value, especially fiber quality of Urochloa Convert HD364 until 45 days after sedding.

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