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All Journal IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Jurnal Ilmu Fisika Metalurgi
Sulistioso Giat Sukaryo
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Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics

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Hydroxyapatite Coating on Alloys CoCrMo-TiN with Sol-Gel Method Charlena Charlena; Sulistioso Giat Sukaryo; Moch. Irgham Zuhfria
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 1, No 3 (2016): October 2016
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v1.i3.55

Abstract

ABSTRACTHydroxyapatite is synthesized by precipitation-sonification using calcium from field snail shell and powder phosphorus from (NH4)2HPO4. The calcium value was measured by atomic absorption spectrophotometer was 82.82%.The temperatures were varied on 600, 800, and 1000 oC to determine the best temperature of the coating. The best temperature was used to superimpose the HAp on the CoCrMo-TiN metal alloy using the modified sol-gel method. The layer on the metal alloy was identified with x-ray diffraction (XRD) and corrosion test. The XRD result showed that most of the CoCrMo-TiN metal alloy surface was coated by HAp. Beside HAp, there were several other phases such as calcium phosphate, carbonate apatite type A and type B. The best result of the corrosion test was showed in CoCrMo-TiN metal alloy coated with HAp with the smallest corrosion rate 0.0082 mpy.Keywords: hydroxyapatite, CoCrMo-TiN, precipitation-sonification, sol-gel modified
Pengaruh Penggunaan Teknik Blending Dan Kompaksi Terhadap Morfologi Komposit Polimer UHMWPE-Na2B4O7.5H2O Sebagai Bahan Perisai Radiasi Neutron Termal Winda Surya Bery; Dian Fitriyani; Elvaswer Elvaswer; Enny Zavianti; Mardiyanto Mardiyanto; Abu Khalid Rivai; Sulistioso Giat Sukaryo
Jurnal Ilmu Fisika (JIF) Vol 8 No 2 (2016): September 2016
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jif.8.2.98-103.2016

Abstract

Telah dilakukan pembuatan dan karakterisasi komposit polimer UHMWPE dengan filler Na2B4O7.5H2O sebagai bahan perisai radiasi neutron termal.  Pembuatan bahan dilakukan dengan menggabungkan UHMWPE dan Na2B4O7.5H2O menggunakan metode blending untuk menghasilkan komposit yang homogen, dan proses kompaksi untuk meminimalkan jarak antar partikel penyusun bahan.  Persentase penambahan Na2B4O7.5H2O yang digunakan bervariasi dari 0% hingga 52%. Bahan dasar dan filler di-blending pada suhu 165°C selama 15 menit, selanjutnya dikompaksi dengan pembebanan 10 ton.  Hasil analisis EDS menunjukkan persentase massa filler di permukaan bahan meningkat dengan penambahan Na2B4O7.5H2O hingga konsentrasi 40% dan menurun di 52%.  Hasil karakterisasi SEM menunjukkan persentase filler optimum pada 40%.  Dengan demikian metode blending dan kompaksi sesuai digunakan untuk mencampurkan UHMWPE dan Na2B4O7.5H2O menjadi bahan perisai neutron termal dengan perbandingan komposisi (60:40)%. Kata kunci :  Perisai radiasi, neutron termal, UHMWPE, Na2B4O7.5H2O, filler, blending, kompaksi 
PENGARUH PENAMBAHAN MOLIBDENUM TERHADAP MORFOLOGI STRUKTUR MIKRO, SIFAT MEKANIK DAN KETAHANAN KOROSI PADUAN Zr-Nb UNTUK MATERIAL IMPLAN Sulistioso Giat Sukaryo; B Badriyana; Pius Sebleku
Metalurgi Vol 29, No 1 (2014): Metalurgi Vol.29 No.1 April 2014
Publisher : National Research and Innovation Agency (BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (692.076 KB) | DOI: 10.14203/metalurgi.v29i1.267

Abstract

Co-Authors Abu Khalid Rivai B Badriyana Charlena Dian Fitriyani Elvaswer Elvaswer Enny Zavianti Mardiyanto Mardiyanto Moch. Irgham Zuhfria Pius Sebleku Winda Surya Bery