Structural and thermal behavior of proclay kaolinite using high energy ball milling process

Rabah Hamzaoui; Fadhilah Muslim; Sofiane Guessasma; Abdelkrim Bennabi; Jacques Guillin

doi:10.1016/j.powtec.2014.11.018

Structural and thermal behavior of proclay kaolinite using high energy ball milling process

Rabah Hamzaoui, Fadhilah Muslim, Sofiane Guessasma, Abdelkrim Bennabi, Jacques Guillin

Department of Civil Engineering

Research output: Contribution to journal › Article › peer-review

81 Citations (Scopus)

Abstract

Planetary ball mill is used to process kaolinite clay powder under a commercial name of proclay kaolinite. Influence of milling time on structure and thermal behavior of proclay kaolinite are presented and discussed. X-ray powder diffraction shows that peak intensities, at kaolinite characteristic positions, decrease gradually and decay after 3. hours of milling. Amorphous structure of kaolinite forms with a nanocrystalline quartz. The mean crystallite size of nanocrystalline quartz is found to decrease from D. = 30. ±. 2. nm for unmilled powder to D. = 7. ±. 1.5. nm after 9. hours of processing. For the same time shift, thermal analysis shows that specific heat capacity of unmilled powder increases from 0.93. J/g.K to 1.65. J/g.K for milled powder.

Original language	English
Pages (from-to)	228-237
Number of pages	10
Journal	Powder Technology
Volume	271
DOIs	https://doi.org/10.1016/j.powtec.2014.11.018
Publication status	Published - 1 Feb 2015

Keywords

Ball milling
Proclay kaolinite
Structure
Thermal behavior

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10.1016/j.powtec.2014.11.018

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title = "Structural and thermal behavior of proclay kaolinite using high energy ball milling process",

abstract = "Planetary ball mill is used to process kaolinite clay powder under a commercial name of proclay kaolinite. Influence of milling time on structure and thermal behavior of proclay kaolinite are presented and discussed. X-ray powder diffraction shows that peak intensities, at kaolinite characteristic positions, decrease gradually and decay after 3. hours of milling. Amorphous structure of kaolinite forms with a nanocrystalline quartz. The mean crystallite size of nanocrystalline quartz is found to decrease from D. = 30. ±. 2. nm for unmilled powder to D. = 7. ±. 1.5. nm after 9. hours of processing. For the same time shift, thermal analysis shows that specific heat capacity of unmilled powder increases from 0.93. J/g.K to 1.65. J/g.K for milled powder.",

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author = "Rabah Hamzaoui and Fadhilah Muslim and Sofiane Guessasma and Abdelkrim Bennabi and Jacques Guillin",

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T1 - Structural and thermal behavior of proclay kaolinite using high energy ball milling process

AU - Hamzaoui, Rabah

AU - Muslim, Fadhilah

AU - Guessasma, Sofiane

AU - Bennabi, Abdelkrim

AU - Guillin, Jacques

PY - 2015/2/1

Y1 - 2015/2/1

N2 - Planetary ball mill is used to process kaolinite clay powder under a commercial name of proclay kaolinite. Influence of milling time on structure and thermal behavior of proclay kaolinite are presented and discussed. X-ray powder diffraction shows that peak intensities, at kaolinite characteristic positions, decrease gradually and decay after 3. hours of milling. Amorphous structure of kaolinite forms with a nanocrystalline quartz. The mean crystallite size of nanocrystalline quartz is found to decrease from D. = 30. ±. 2. nm for unmilled powder to D. = 7. ±. 1.5. nm after 9. hours of processing. For the same time shift, thermal analysis shows that specific heat capacity of unmilled powder increases from 0.93. J/g.K to 1.65. J/g.K for milled powder.

AB - Planetary ball mill is used to process kaolinite clay powder under a commercial name of proclay kaolinite. Influence of milling time on structure and thermal behavior of proclay kaolinite are presented and discussed. X-ray powder diffraction shows that peak intensities, at kaolinite characteristic positions, decrease gradually and decay after 3. hours of milling. Amorphous structure of kaolinite forms with a nanocrystalline quartz. The mean crystallite size of nanocrystalline quartz is found to decrease from D. = 30. ±. 2. nm for unmilled powder to D. = 7. ±. 1.5. nm after 9. hours of processing. For the same time shift, thermal analysis shows that specific heat capacity of unmilled powder increases from 0.93. J/g.K to 1.65. J/g.K for milled powder.

KW - Ball milling

KW - Proclay kaolinite

KW - Structure

KW - Thermal behavior

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JO - Powder Technology

JF - Powder Technology

ER -

Structural and thermal behavior of proclay kaolinite using high energy ball milling process

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Keywords

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