Research Article

Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties

Number: 16 August 31, 2019
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Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties

Abstract

It was realized that post-consumer waste paper, old corrugated container (OCC) and secondary fiber addition (cellulosic additives) to gypsum in panel structure negative impact on Thickness Swelling (TS) values in water. However, highest TS values of 23.32% (A6) in A-type, 12.76 (B6) in B-type and 7.79% (C6) in C-type experimental boards found at similar proportions (50:50 w/w) of gypsum and cellulosic additives while the lowest with control sample that was only 1.88%. Moreover, the boards produced by secondary fiber/gypsum mixture (C type boards) under similar ratios (w/w) were found to higher IB strength than others. The highest IB strength value of 0.60 N/mm2 found for C3 board while the ratio of the secondary fiber in the mixture to be more than 20% negative effects on IB values ​​to a certain extent. The addition of all three cellulosic sources to the gypsum structure increases the bending strength properties some level. At 10% (A2: 6.59 N/mm2) and 50% (A6: 6.44 N/mm2) proportion levels, A-type boards show higher bending strengths than the B- and C-type boards. In all manufacturing conditions and board types, the natural weathered boards have always shown lower hardness properties than counterpart control samples.

Keywords

References

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Details

Primary Language

English

Subjects

Engineering

Journal Section

Research Article

Publication Date

August 31, 2019

Submission Date

May 14, 2019

Acceptance Date

July 10, 2019

Published in Issue

Year 2019 Number: 16

APA
Şahin, H., & Demir, İ. (2019). Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties. Avrupa Bilim Ve Teknoloji Dergisi, 16, 567-576. https://doi.org/10.31590/ejosat.565240
AMA
1.Şahin H, Demir İ. Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties. EJOSAT. 2019;(16):567-576. doi:10.31590/ejosat.565240
Chicago
Şahin, Halil, and İlkhan Demir. 2019. “Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties”. Avrupa Bilim Ve Teknoloji Dergisi, nos. 16: 567-76. https://doi.org/10.31590/ejosat.565240.
EndNote
Şahin H, Demir İ (August 1, 2019) Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties. Avrupa Bilim ve Teknoloji Dergisi 16 567–576.
IEEE
[1]H. Şahin and İ. Demir, “Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties”, EJOSAT, no. 16, pp. 567–576, Aug. 2019, doi: 10.31590/ejosat.565240.
ISNAD
Şahin, Halil - Demir, İlkhan. “Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties”. Avrupa Bilim ve Teknoloji Dergisi. 16 (August 1, 2019): 567-576. https://doi.org/10.31590/ejosat.565240.
JAMA
1.Şahin H, Demir İ. Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties. EJOSAT. 2019;:567–576.
MLA
Şahin, Halil, and İlkhan Demir. “Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties”. Avrupa Bilim Ve Teknoloji Dergisi, no. 16, Aug. 2019, pp. 567-76, doi:10.31590/ejosat.565240.
Vancouver
1.Halil Şahin, İlkhan Demir. Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties. EJOSAT. 2019 Aug. 1;(16):567-76. doi:10.31590/ejosat.565240

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