Structure Formation of a Double Sintered Nanocrystalline Silica Xerogel Converted From Sago Waste Ash

Aripin, H.; Mitsudo, S.; Sudiana, I Nyoman; Saito, T.; Sabchevski, S.

doi:10.1080/0371750x.2014.980850

Cited by 15 publications

(8 citation statements)

References 24 publications

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“…Recently, the use of microwave radiation as a substitute for the conventional heating has been reported for sintering ceramic [7][8][9][10][11][12], synthesizing organic materials [13][14][15] or speeding up a chemical reaction and drying [16][17]. Microwave radiation is believed to be able to increase the rate of a chemical reaction.…”

Section: Introductionmentioning

confidence: 99%

Fast Microwave-assisted Pretreatment for Bioconversion of Sawdust Lignocellulose to Glucose

Sudiana

Mitsudo

Susilowati

et al. 2017

J. Phys.: Conf. Ser.

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Section: Introductionmentioning

confidence: 99%

Fast Microwave-assisted Pretreatment for Bioconversion of Sawdust Lignocellulose to Glucose

Sudiana

Mitsudo

Susilowati

et al. 2017

J. Phys.: Conf. Ser.

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“…The effects are not to require the Microwaves enhanced sintering mechanisms 239 transfer of microwave energy into thermal energy and the microwave energy itself directly couples to energy modes within the atom, ion, molecule or lattice known as non-thermal effect. To investigate microwave effects, experiments on the synthesis of oxide materials, alumina(Al2O3) and silica(SiO2) as well as magnetic materials for ceramics, sensor, and microwave absorber via both conventional synthesis and microwave have been conducted by several groups of researchers as well as by authors [5][6][7][8][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Microwaves enhanced sintering mechanisms in alumina ceramic sintering experiments

Firihu¹,

Sudiana²,

Mitsudo³

2016

ces

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The results from the use of microwaves for ceramic synthesis have showed different results than that of conventionally synthesis method. One of the group results consists of indirect evidence of diffusion such as observations of enhanced sintering, grain growth, or reaction zones. The other group consists of direct measurements of diffusivities and activation energies for diffusion during microwave processing. Understanding the physical mechanisms of microwave effect is play an important role in the synthesis of materials technologies employing microwave energy. Many different physical phenomena including thermal and non-thermal are involved in the microwave processing of ceramics known as 'microwave effect'. This paper describes analysis of recent research on microwave sintering of an oxide ceramic, a high purity -alumina. The experiment data used involved a wide range of microwave frequencies up to sub-238 Muhammad Zamrun Firihu et al. millimeter range which have been reported previously. Existing evidence as to that microwaves enhanced diffusions has been reviewed and will be discussed.

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“…Especially for microwave processing, until now there are lack of theoretical basis yet to explain the effect of microwaves on the atomic transport of alumina ceramics. Sintering alumina by using various microwaves frequencies have been reported [5][6][7][8] as well as silica [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Effect of initial green samples on mechanical properties of alumina ceramic

Sudiana¹,

Mitsudo²,

Firihu³

2016

ces

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Initial microstructure of samples before sintering is very sensitive in microwave processing. Effect of initial green samples on densification curve of microwaved sintered alumina have been reported previously by authors. In this paper the effect of initial green samples on the mechanical properties (micro hardness and fracture toughness) of alumina after sintering is considered. The experimental results were taken from a series of investigations to study the effect of very high frequency microwave on properties of alumina ceramics. The sub-millimeter wave experimental results are presented and discussed.

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Structure Formation of a Double Sintered Nanocrystalline Silica Xerogel Converted From Sago Waste Ash

Cited by 15 publications

References 24 publications

Fast Microwave-assisted Pretreatment for Bioconversion of Sawdust Lignocellulose to Glucose

Fast Microwave-assisted Pretreatment for Bioconversion of Sawdust Lignocellulose to Glucose

Microwaves enhanced sintering mechanisms in alumina ceramic sintering experiments

Effect of initial green samples on mechanical properties of alumina ceramic

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