Low temperature synthesis of forsterite from hydromagnesite and fumed silica mixture

Chen, Liugang; Ye, Guotian; Wang, Qingfeng; Blanpain, Bart; Malfliet, Annelies; Guo, Muxing

doi:10.1016/j.ceramint.2014.10.025

Cited by 44 publications

(27 citation statements)

References 19 publications

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“…1c). Therefore, the diffusion distance for Mg 2 þ and Si 4 þ during solid-state reaction in the two mixtures is considerably different [6]. Fig.…”

Section: Resultsmentioning

confidence: 98%

“…As fumed silica has a particle size of smaller than 200 nm and a hydromagnesite nano-sheet thickness of less than 20 nm (Fig. 2), the diffusion distance for Mg 2 þ and Si 4 þ can be less than 300 nm during the solid-state reaction of the forsterite formation in the ground FC mixture [6]. In contrast, the diffusion distance for the Mg 2 þ and Si 4 þ would be over 500 nm in the ground FH mixture, because the thickness of the residual brucite grain is more than 500 nm (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…The conventional synthesis of reactive forsterite is typically based on the solid-state reaction of MgO and SiO 2 -bearing precursors [4][5][6][7][8]. This conventional synthesis method is, however, usually hard to avoid the appearance of MgSiO 3 and/or MgO impurities [4,5].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Influence of MgO precursors on mechanically activated forsterite synthesis

Chen

Zhou

et al. 2015

Ceramics International

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“…1c). Therefore, the diffusion distance for Mg 2 þ and Si 4 þ during solid-state reaction in the two mixtures is considerably different [6]. Fig.…”

Section: Resultsmentioning

confidence: 98%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Influence of MgO precursors on mechanically activated forsterite synthesis

Chen

Zhou

et al. 2015

Ceramics International

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“…Figure (b) shows the XRD patterns of powders prepared at various temperatures by keeping the initial MgO/SiO 2 molar ratio at 2:1.3. It can be seen that single‐phase forsterite powders can be synthesized at 700°C, which is at least 400°C lower than the synthesis temperature required in conventional solid‐state reaction . During the MSS process, when the temperature exceeds the eutectic point of NaCl–KCl salt mixture, a liquid phase forms, which provides a liquid medium for the reaction of MgO and SiO 2.…”

Section: Resultsmentioning

confidence: 99%

“…Forsterite (Mg 2 SiO 4 ) with an orthorhombic structure is an important member of the olivine group of minerals. It has a high melting point (1890°C) and low thermal expansion and hence is a promising material for applications in high‐temperature ceramics industry . In addition, due to its excellent insulation properties, low dielectric permittivity, good chemical stability, and biocompatibility, forsterite can also be used as microwave dielectric ceramics and bioceramics .…”

Section: Introductionmentioning

confidence: 99%

Low‐temperature molten salt synthesis of forsterite powders with controllable morphology

Wang

Chen

et al. 2016

Int J Applied Ceramic Tech

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Forsterite powders with controllable morphology were synthesized using oxides as raw materials in NaCl-KCl molten salt media. The effects of MgO/SiO 2 ratio, calcining temperature, and salt/oxide ratio on the phase composition and morphology of the powders are investigated. The results indicate that single-phase forsterite powders can be synthesized from a mixture of MgO and SiO 2 with a MgO/ SiO 2 molar ratio of 2:1.3 at 700°C. With the increase of calcining temperature, the powders obtained changes from an irregular to a columnar morphology. In addition, the morphology of the forsterite powders produced can also be controlled by altering the salt/oxide ratio. K E Y W O R D Smorphology, powders, silicates, synthesis

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Review on calcium‐ and magnesium‐based silicates for bone tissue engineering applications

Venkatraman

Swamiappan

2020

J Biomedical Materials Res

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Bone is a self-engineered structural component of the human body with multifaceted mechanical strength, which provides indomitable support to the effective functioning of the human body. It is indispensable to find a suitable biomaterial for substituting the bone as the bone substitute material requirement is very high due to the rate of bone fracture and infection lead to osteoporosis in human beings increases rapidly. It is not an easy task to design a material with good apatite deposition ability, a faster rate of dissolution, superior resorbability, high mechanical strength, and significant bactericidal activity. Since the synthetic hydroxyapatite was not able to achieve the dahlite phase of hydroxyapatite (natural bone mineral phase), silicates emerged as an alternate biomaterial to meet the need for bone graft substitutes. All silicates do not exhibit the properties required for bone graft substitutes, as their composition and methodology adopted for the synthesis are different. Calcium, magnesium, and silicon play a major role in the formation of bone mineral and their metabolism during bone formation. In this review, the relationship between composition and activity of calcium, magnesium-based silicates have been discussed along with the future scope of these materials for hard tissue engineering applications. K E Y W O R D Sapatite, calcium, magnesium, mechanical strength, osteoporosis, silicates

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Low temperature synthesis of forsterite from hydromagnesite and fumed silica mixture

Cited by 44 publications

References 19 publications

Influence of MgO precursors on mechanically activated forsterite synthesis

Influence of MgO precursors on mechanically activated forsterite synthesis

Low‐temperature molten salt synthesis of forsterite powders with controllable morphology

Review on calcium‐ and magnesium‐based silicates for bone tissue engineering applications

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