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All Journal Jurnal Keramik dan Gelas Indonesia Jurnal Keramik dan Gelas Indonesia
Karlina Noordiningsih
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Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Materials Science & Nanotechnology

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Journal : Jurnal Keramik dan Gelas Indonesia

 1 
Modification of Monetite Formation by Controlling of Phosphoric Acid Addition Herlina Damayanti; Karlina Noordiningsih; Kristanto Wahyudi
Jurnal Keramik dan Gelas Indonesia Vol 29, No 2 (2020): Jurnal Keramik dan Gelas Indonesia
Publisher : Balai Besar Keramik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32537/jkgi.v29i2.6712

Abstract

Development of synthetic biomaterials has been done to repair bones and teeth damaged. Monetite is a biomaterial currently being developed for tissue engineering especially bone and dental applications because it has superior osteoconductive, biodegradable and regeneration properties. This research successfully produced the mineral monetite by modification of wet precipitation method with controlling the rate of phosphoric acid addition to calcium hydroxide. The reaction temperature is around 30oC - 65oC and the pH of the solution about 3. The final product from this precipitation process was characterized by XRD for testing mineral content, XRF for testing chemical content, and also SEM for knowing the morphology of product. The results showed that the optimal condition for monetite formation was D2, with controlling of the phosphoric acid rate ¼ mL/second for 2 hours and increased to ½ mL/second for 1 hour. The reaction temperature in the range 34 oC - 50oC and pH 3. The diffraction pattern from XRD test results showed monetite peaks at the following 2θ angle: 13.1; 26.4; 30.2; and 32.9 with the highest intensity (D2) is 4500. Also, the morphology of the crystalline structure approximates the actual monetite crystal, which is like a plate with a width of a particle about 1-3 µm. Thus, the results of this research provide an opportunity further research of the application monetite for tissue and dental engineering materials
Fabrication of Cordierite Ceramic Foam Filter by Replication Method Ria Julyana Manullang; Maulid purnawan; Dede Taufik; Ayu Ratnasari; Karlina Noordiningsih
Jurnal Keramik dan Gelas Indonesia Vol 30, No 1 (2021): Jurnal Keramik dan Gelas Indonesia
Publisher : Balai Besar Keramik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32537/jkgi.v30i1.6855

Abstract

Ceramic foam filter (CFF) is widely used to improve the   quality   of   molten   metal   prior   to   casting. Cordierite  is  one  of  the  most  commonly  used materials  for making CFF. In this  research,  the fabrication of cordierite-based   CFF   by   a   replication   method   using   a polyurethane template has been studied. Waterglass and polymethacrylic acid (PMAA) were used as defloculants to synthesize ceramic  suspensions. CFF was made from kaolin, talc, alumina with a defloculant concentration of 0.3% which is sintered at a temperature of 1300 - 1350oC. The experimental results  showed that the porosity obtained for all CFF samples were  above  70%.  The  best  shape  of  CFF  was  obtained  by using PMAA as  defloculant. However, CFF did not reach the maximum  strength yet so it is necessary to carry out further research on the CFF body composition.
Co-Authors Ayu Ratnasari Dede Taufik Herlina Damayanti Kristanto Wahyudi Maulid Purnawan Ria Julyana Manullang