Yıl 2019, Cilt , Sayı 16, Sayfalar 567 - 576 2019-08-31

Atık Selülozik Karışımı Kaynaklardan Üretilen Alçı Esaslı Levhalar: 1. Bölüm. Fiziksel ve Mekanik Özellikler
Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties

Halil Şahin [1] , İlkhan Demir [2]


Bu çalışmada, kullanılarak atık/atık duruma gelmiş kağıt (A tipi), eski kullanılmış oluklu mukavvalar (B tipi) ve ikincil selüloz lifleri (C tipi)  alçı yapısına katılarak kompozit panel levhalar üretilmiştir. Araştırma bulgularına göre, bu hammaddelerin alçı yapısna katılması su içinde kalınlık artım değerlerini olumsuz etkilemiştir.  A, B ve C tipi levhalarda en yüksek kalınlık artım değeri sırasıyla  %26,32, 12,76% ve %7,79 olarak benzer üretim şartlarındaki A6, B6 ve C6  levhalarında gözlemlenmiştir.  Bu levhaların üretim şartları %50-50 (ağırlık/ağırlık) alçı-selülozik atık şeklindedir. Fakat en düşük kalınlık artım değeri ise sadece alçıdan üretilmiş levhada (kontrol levhası) %1,88 olarak ölçülmüştür. Sekonder lif/alçı karışımından üetilmiş C tipi levhalarda, aynı üretim şartlarında A ve B tipi levhalardan daha yüksek iç yapışma direnç (IB) özelliğine sahip levhalar üretilmiştir. En yüksek iç yapışma direnci 0.60 N/mm2 olarak C3 tipi levhada gözlemlenmiştir. Fakat %20 den daha yüksek sekonder lif eklanmesi alçıdan üretilmiş levhaların direnç özelliklerini olumusuz etkilemiştir. Alçı yapısına eklenen her üç tip hammadde de eğilme direnç özelliklerini (MOR)  olumlu etki etttiği anlaşılmıştır. %10 ve %50 selülozik katkı durumunda, A2 (6.59 N/mm2) ve A6 (6.44 N/mm2) levhaları diğer B ve C tipi levhalara göre aynı üretim şartlarında  daha yüksek eğilme direnç özelliği göstermiştir. Açık havada bekletilmiş tüm deneme levhalarının sertlik özellikleri, kontrol örneklerinden daha düşük olduğu anlaşılmıştır.

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.

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Birincil Dil en
Konular Mühendislik
Bölüm Makaleler
Yazarlar

Orcid: 0000-0001-5633-6505
Yazar: Halil Şahin (Sorumlu Yazar)
Kurum: Isparta Uygulamalı Bilimler Üniversitesi Orman fakültesi
Ülke: Turkey


Orcid: 0000-0002-1496-077X
Yazar: İlkhan Demir
Ülke: Turkey


Tarihler

Yayımlanma Tarihi : 31 Ağustos 2019

Bibtex @araştırma makalesi { ejosat565240, journal = {Avrupa Bilim ve Teknoloji Dergisi}, issn = {}, eissn = {2148-2683}, address = {}, publisher = {Osman SAĞDIÇ}, year = {2019}, volume = {}, pages = {567 - 576}, doi = {10.31590/ejosat.565240}, title = {Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties}, key = {cite}, author = {Şahin, Halil and Demir, İlkhan} }
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 . DOI: 10.31590/ejosat.565240
MLA Şahin, H , Demir, İ . "Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties". Avrupa Bilim ve Teknoloji Dergisi (2019 ): 567-576 <https://dergipark.org.tr/tr/pub/ejosat/issue/45333/565240>
Chicago Şahin, H , Demir, İ . "Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties". Avrupa Bilim ve Teknoloji Dergisi (2019 ): 567-576
RIS TY - JOUR T1 - Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties AU - Halil Şahin , İlkhan Demir Y1 - 2019 PY - 2019 N1 - doi: 10.31590/ejosat.565240 DO - 10.31590/ejosat.565240 T2 - Avrupa Bilim ve Teknoloji Dergisi JF - Journal JO - JOR SP - 567 EP - 576 VL - IS - 16 SN - -2148-2683 M3 - doi: 10.31590/ejosat.565240 UR - https://doi.org/10.31590/ejosat.565240 Y2 - 2019 ER -
EndNote %0 Avrupa Bilim ve Teknoloji Dergisi Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties %A Halil Şahin , İlkhan Demir %T Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties %D 2019 %J Avrupa Bilim ve Teknoloji Dergisi %P -2148-2683 %V %N 16 %R doi: 10.31590/ejosat.565240 %U 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 (Ağustos 2019): 567-576 . https://doi.org/10.31590/ejosat.565240
AMA Şahin H , Demir İ . Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties. Avrupa Bilim ve Teknoloji Dergisi. 2019; (16): 567-576.
Vancouver Şahin H , Demir İ . Gypsum-Based Boards Made from Mixtures of Waste Cellulosic Sources: Part 1. Physical and Mechanical Properties. Avrupa Bilim ve Teknoloji Dergisi. 2019; (16): 576-567.