sector. He has worked, at national & international levels, in the areas of Policy & Planning, Management, Safety, Design, EPC contracting &
Construction, Commissioning, Operations & Maintenance, Supply Chain, Public Awareness, Training, Business Development and International Co- operation.
Ahmad has held senior positions with the Nuclear Power Corporation of India Ltd (NPCIL), Electronics Corporation of India Ltd (ECIL), & World Association of Nuclear Operators, (WANO) Tokyo. He has also worked for the International Atomic Energy Agency (IAEA), Atomic Energy of Canada Ltd (AECL) & the Indian Atomic Industrial Forum (IAIF). Additionally, Mr.
Ahmad has provided Consultancy to several National & International Consultants & Infrastructure Businesses.
Rayavarapu Prasada Rao
Department of Materials Science and Engineering, National University of Singapore
Dr. Rayavarapu obtained his Master Degree in Physics from Andhra University, India in 2000. He becomes a research fellow at Departement of Materials science and Engineering, the National University of Singapore since 2013. He is an expert on
development and materials synthesis of energy storage device. Some of his key research are structural studies of glassy electrolytes like xNa2O-(1- x)P2O5, xLi2O-yP2O5-zLiCl, xLi2S-(1-x)P2S5 using X-ray and molecular dynamics simulations; development of membranes for Li-air batteries and fabrication of all-solid-state battery using Li6PS5Br electrolyte.
Sanghyun Lee
High Energy Accelerator Research Organization, KEK, Ibaraki, Japan
Dr. Sanghyun Lee received his Master degree and Ph.D. in Department of Physics from Sungkyunkwan University in Korea on August 2013.
Currently, He joins the Pos-Doctoral program at KENS, IMSS, KEK in Japan.
His research interests lie in applying crystal and magnetic symmetry to study the complex problem of condensed matter physics and explaining the mechanism using crystallography. Recently, he studied the
magnetoelectric coupling of multiferroic BiFeO3, invar e ect of itinerant ferromagnetic SrRuO3, Neel-type magnetic ordering of Li2MnO3 with Mn honeycomb lattice, and spin-direction-dependent magnetic phase
transition of transition-metal monoxide. His current research focus is in the phase transition mechanism when magnetic order breaks crystal symmetry
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Accepted papers received: 17 September 2018Published online: 19 November 2018Prelims
Papers
Metal, Ceramics, Composites and High-Temperature Materials
Volume 432
November 2018
Previous issue Next issue
The 1st Materials Research Society Indonesia Conference and Congress8–12 October 2017, Yogyakarta, Indonesia
011001 OPEN ACCESS
The 1st Materials Research Society Indonesia Conference and Congress
PDF View abstract
011002 OPEN ACCESS
Peer review statement
PDF View abstract
012001 OPEN ACCESS
Development of lotus-type porous material for heat pipe application using centrifugal slip casting process
S Supriadi, M Rasis, T Heriyanto, B Ariantara and N S D Putra PDF
View abstract
012002 OPEN ACCESS
Transformation of orthodontics bracket geometry in metal injection molding process
S Supriadi, D Abdussalam, T Heriyanto, B Irawan and B Suharno PDF
View abstract
012003 OPEN ACCESS
Ex-situ Li doped into HKUST-1 and their application in hydrogen storage
D Ni'maturrohmah, W W Lestari and H Suwarno +
PDF View abstract
012004 OPEN ACCESS
Application of nanocatalyst iron oxide (Fe O ) to reduce exhaust emissions (CO and HC)
P Puspitasari, C Yazirin, L A Bachtiar, J W Dika and SM S N S Zaharis 2 3
PDF View abstract
012005 OPEN ACCESS
Nanocatalyst manganese oxide (MnO) for exhaust emissions (CO and HC) reduction
P Puspitasari, M I N Sasongko, G A Kurniawan, Andoko and D I Tsamroh PDF
View abstract
012006 OPEN ACCESS
A study of the compression molding method for manufacturing a UHMWPE liner
F S Wicaksono, R Ismail and J Jamari PDF View abstract
012007 OPEN ACCESS
A comparison between mechanical properties of UHMWPE from ram extrusion process and UHMWPE from compression molding process for a hip joint liner
M Wahyudi, Y E Putra, S Arrohman, J Jamari and R Ismail PDF
View abstract
012008 OPEN ACCESS
Effect Of cobalt addition on Fe-20Cr-5Al-1Y O ODS alloy fabricated by arc plasma sintering (APS) process
B Suharno, D E Jodi, N R Pratama and A Dimyati 2 3
PDF View abstract
012009 OPEN ACCESS
Development of Fe-20Cr-5Al-1Y O ODS alloy with addition of Ni by means of Arc plasma sintering (APS) method
A Dimyati, N R Pratama, D E Jodi and B Suharno 2 3
012010 OPEN ACCESS
Effective dose analysis of extremely low frequency (ELF) magnetic field exposure to growth of S. termophilus, L. lactis, L. acidophilus bacteria
Sudarti, T Prihandono, Yushardi, Z R Ridlo and A Kristinawati PDF
View abstract
012011 OPEN ACCESS
Quality characterization of HVOF thermal spray coating with NiCr matrix composite for protection application of coal fired boiler tubes
M Waldi, E A Basuki and B Prawara PDF View abstract
012012 OPEN ACCESS
The synthesis of NiCrAlHf powders with mechanical alloying method for thermal sprayed coating
R D Desiati, E Sugiarti, S Ramandhany and S J Winarno PDF
View abstract
012013 OPEN ACCESS
Chloride solution leaching of platinum from Indonesia gold ore artisanal mining
S Harjanto, A Lazuardiyani, M Y Salam, M Taris and F W Pratama PDF
View abstract
012014 OPEN ACCESS
Polypropylene/clay nanocomposites prepared in an internal mixer: optimization of processing conditions to improve flexural modulus
Zaiby, A S Yogi, L J Ariadne and U Onny PDF
View abstract
012015 OPEN ACCESS
Failure analysis of S50C carbon steel applied for fine boring transmission system
L Anggraini
PDF View abstract
012016 OPEN ACCESS
Analysis of the remaining life of API 5L grade B gas pipeline in the flare gas recovery unit
M Y M Sholihin, H S Kusyanto and B Soegijono PDF
View abstract
Nuclear Science and Technology Application
012017 OPEN ACCESS
The effect of silicon as a reactive element for NiCrAl coating performance on hastelloy substrate
S Ramandhany, E Sugiarti, R D Desiati, E Martides, E Junianto, B Prawara and A Sukarto PDF
View abstract
012018 OPEN ACCESS
Synthesis and thermomechanical characterization of peg/zircon composites
N F Muwwaqor, N A Fauziyah, Musyarofah and S Pratapa PDF
View abstract
012019 OPEN ACCESS
Study of temperature effect on carbide layer formation behaviour of dual elements thermal reactive deposition on SUJ2 steel substrate
M Ariati, W Narottama P and A Cipto PDF View abstract
012020 OPEN ACCESS
Effect of synthesis parameters on crystal structure and magnetic properties of cobalt zinc ferrite (Co Zn Fe O ) nanoparticles
A T Puspitasari, H Kiswanto, E Suharyadi, T Kato and S Iwata 0.5 0.5 2 4
PDF View abstract
012021 OPEN ACCESS
Development of 410S-Y O oxide dispersion strengthened steel prepared by a powder metallurgy technique
T Sudiro, R C Ekaputra, K A Z Thosin, A Trenggono, A Afandi and B Hermanto 2 3
PDF View abstract
012022 OPEN ACCESS
The performance of the AAA and Acurox XB algorithms in the case of lung cancer
R Zulfani, M Fadli and S A Pawiro PDF View abstract
012023 OPEN ACCESS
Point dose verification in breast cancer radiotherapy: comparison between 3D conformal and IMRT technique
F Manulang, F Y Dimitri, Nelly, Y Wahyono, R Susworo and S A Pawiro
Nano-materials. Nano-tech, Thin Film and Functional
012024 OPEN ACCESS
Organ at risk dose verification in nasopharyngeal cancer VMAT planning with collimator comparison between single arc and double arc
F Y Dimitri, F Manulang, Nelly, Y Wahyono, R Susworo and S A Pawiro PDF
View abstract
012025 OPEN ACCESS
Moderator material efficiency of neutron energy slowing down on D-T reaction neutron generator for SAMOP
S Santosa and A H Anggraini PDF View abstract
012026 OPEN ACCESS
Ion beam preliminary testing of DECY-13 cyclotron at the central region using dc extraction voltage
S Silakhuddin, R S Darmawan, S Suharni, F S Permana, K Wibowo, S Saminto and T Atmono PDF
View abstract
012027 OPEN ACCESS
Safety assessment of near surface disposal for radioactive waste in Serpong nuclear area using PRESTO software
Sucipta and D Suganda PDF View abstract
012028 OPEN ACCESS
Integration of superior varieties of sidenuk rice production with beef cattle business
Suharyono, S N W Hardani, T Wahyono and C E Kusumaningrum PDF
View abstract
012029 OPEN ACCESS
Fabrication of gas diffusion layer from carbon ramie fiber by hot press method
D A Gumilar, N Indayaningsih, A Subhan, N Prastomo and S Hastuty PDF
View abstract
012030 OPEN ACCESS
Polymers, Bio-materials and Other Soft Matters
Performance of post-hidrothermally treated xerogel TiO dye-sensitized solar cell (DSSC) and its nanostructure characteristic
B Priyono, A H Yuwono, A Z Syahrial, M H Mustofa and R S Bawono 2
PDF View abstract
012031 OPEN ACCESS
Antioxidant activity and dose enhancement factor of CeO nanoparticles synthesized by precipitation method
I Nurhasanah, W Safitri, Z Arifin, A Subagio and T Windarti 2
PDF View abstract
012032 OPEN ACCESS
Fabrication and characteristics of ADC-12 reinforced nano-SiC and nano-Al O composites through stir casting route
A Zulfia, E C Putro, M Wahyudi, D Dhaneswara and B W Utomo
2 3
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012033 OPEN ACCESS
Annealing temperature effect on structural, vibrational and optical properties of Co Ni Fe O nanoparticles
J Utomo, A K Agustina and E Suharyadi 0.8 0.2 2 4
PDF View abstract
012034 OPEN ACCESS
Hydrogen storage properties of mechanical milled MgH2-nano Ni for solid hydrogen storage material
Z Jalil, A Rahwanto, Malahayati, Mursal, E Handoko and H Akhyar PDF
View abstract
012035 OPEN ACCESS
The cycles of mankind: begin from and ended back to nature
R Harjanto
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012036 OPEN ACCESS
The effect of molecular weight on the surface wettability of polystyrene treated with nitrogen plasma
Masruroh, T N Zahirah, Aulanni'am, S P Sakti and D J D H Santjojo
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of Al-5.1Zn-1.9Mg Alloy Produced by Squeeze Casting
Dimas Pratamawansyah Putra and Bondan Tiara Sofyan PDF
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6/18/2020 Position accuracy evaluation of multileaf collimator (MLC) static in linear accelerator - IOPscience
https://iopscience.iop.org/article/10.1088/1757-899X/432/1/012052 1/2
NOTICE: Ensuring subscriber access to content on IOPscience throughout the coronavirus outbreak - see our remote access guidelines.
PAPER • OPEN ACCESS
Position accuracy evaluation of multileaf collimator (MLC) static in linear accelerator
Y Rahmat , S A Pawiro , Y A Baihaqi , M Fadli and A Nainggolan
Published 1 November 2018 • Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 432, Number 1
Abstract
This study was aimed to evaluate the accuracy of static MLC positions using gafchromic BT3 film.
EBT3 gafchromic film was scanned using Vidar dosimetry Pro Advantage and was analyzed using Matlab algorithm. Matlab algorithm which determined leaf edge of MLC was using Edge Detection Function with Laplacian of Gaussian Method. The precision of MLC leafs on Linac 1 and Linac 2 was measured using the Matlab application code and being compared to early data in TPS setting.
The measurement showed that average value of the best precision was obtained at line 6 and the lowest at line 2 both in Linac 1 and 2. MLC leaf measurement error using Matlab was still within tolerance limit AAPM TG 142 which is ± 1 mm. An Error value of the MLC was increased if the leaf movement over the normal position. This effect was caused by an influence of vertical line scattering (VL) and inaccuracy positioning of gafchromic film EBT3 when scanned. The result of
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[email protected]
Department of Physics, Faculty of Mathematics and Natural Sciences, University of Indonesia, Depok, Indonesia
Departement of Radiotherapy, MRCCC Siloam Hospital, Jakarta, Indonesia Y Rahmat et al 2018 IOP Conf. Ser.: Mater. Sci. Eng. 432 012052
https://doi.org/10.1088/1757-899X/432/1/012052 Buy this article in print
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based on AAPM PG 142. It could be an alternative measurement of MLC position accuracy more easily.
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6/18/2020 The effect of CaCO3 filler component on mechanical properties of polypropylene - IOPscience
https://iopscience.iop.org/article/10.1088/1757-899X/432/1/012043 1/2
NOTICE: Ensuring subscriber access to content on IOPscience throughout the coronavirus outbreak - see our remote access guidelines.
PAPER • OPEN ACCESS
The effect of CaCO filler component on mechanical properties of polypropylene
C Budiyantoro , H Sosiati , B P Kamiel and M L S Fikri
Published 1 November 2018 • Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 432, Number 1
Abstract
The presence of filler can reduce the production cost and in certain condition it can also improve the mechanical properties. CaCO is one type of inorganic filler that widely used in polypropylene materials, since it can cover those two requirements above. This work aimed to study the influence of CaCO filler in tensile properties of polypropylene. CaCO was sieved through a screen to obtain uniform particles size and then filled into polypropylene with filler percentage of 5%, 15%, and 25% of weight, respectively. The mixture was shaped into dumbell specimens by using Injection Moulding Process and a universal testing machine was used for tensile testing according to ISO 527.
The results showed that the mixture of 5% (w/w) CaCO achieved highest tensile strain and elastic modulus but had the lowest tensile strength, and that of 15% (w/w) CaCO attained the highest values of strength. The highest tensile properties are 24.9 MPa for tensile strength, 3.96% for tensile This site uses cookies. By continuing to use this site you agree to our use of cookies. To find out
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[email protected]
Department of Mechanical Engineering, Universitas Muhammadiyah Yogyakarta, Lingkar Selatan St., Yogyakarta 55183, Indonesia
C Budiyantoro et al 2018 IOP Conf. Ser.: Mater. Sci. Eng. 432 012043 https://doi.org/10.1088/1757-899X/432/1/012043
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caused the reduction in strength, strain and elastic modulus of the composite. Variant with 5% of filler content has the highest value of impact strength, around 168 J/cm , whereas the lowest value of impact strength can be found in the variant with 25% of CaCO , the hardness value decreased on the 25% CaCO . This situation is related to the filler distribution and dispersion within the specimen due to mixing effect in injection moulding process. Scanning Electron Microscope (SEM) was used to explain this condition by observing the fractured area of specimens.
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6/18/2020 Nanocatalyst manganese oxide (MnO) for exhaust emissions (CO and HC) reduction - IOPscience
https://iopscience.iop.org/article/10.1088/1757-899X/432/1/012005 1/2
NOTICE: Ensuring subscriber access to content on IOPscience throughout the coronavirus outbreak - see our remote access guidelines.
PAPER • OPEN ACCESS
Nanocatalyst manganese oxide (MnO) for exhaust emissions (CO and HC) reduction
P Puspitasari , M I N Sasongko , G A Kurniawan , Andoko and D I Tsamroh
Published 1 November 2018 • Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 432, Number 1
Abstract
The growing number of motor vehicles, particularly the exhaust gas as a result of incomplete combustion of fuels, has a very adverse impact on the environment. One effort to reduce exhaust emission levels is by applying a catalytic converter to the exhaust system. MnO is a chemical
mixture that can be applied to a catalytic converter to reduce exhaust emissions because it is capable of binding CO and HC contained in motorcycle exhaust gases. This research was an experimental research aiming to investigate the difference in emission level of CO and HC between a motorcycle This site uses cookies. By continuing to use this site you agree to our use of cookies. To find out
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[email protected]
Mechanical Engineering Department, Engineering Faculty, Malang State University, Semarang Street 5, Malang, East Java, Indonesia
Center of Nano Research and Advanced Materials, Malang State University, Semarang Street 5, Malang, East Java, Indonesia
Master Program, Postgraduate Program, Malang State University, Semarang Street 5, Malang, East Java, Indonesia
P Puspitasari et al 2018 IOP Conf. Ser.: Mater. Sci. Eng. 432 012005 https://doi.org/10.1088/1757-899X/432/1/012005
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results showed that the application of MnO as a catalyst could reduce the level of CO significantly in RON 88, i.e. 24.36%, and the level of HC in RON 88 and RON 92, i.e. 82.08% and 38.14 % respectively.
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6/18/2020 Polypropylene/clay nanocomposites prepared in an internal mixer: optimization of processing conditions to improve flexural modulus…
https://iopscience.iop.org/article/10.1088/1757-899X/432/1/012014 1/2
NOTICE: Ensuring subscriber access to content on IOPscience throughout the coronavirus outbreak - see our remote access guidelines.
PAPER • OPEN ACCESS
Polypropylene/clay nanocomposites prepared in an internal mixer: optimization of processing conditions to improve flexural modulus
Zaiby , A S Yogi , L J Ariadne and U Onny
Published 1 November 2018 • Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 432, Number 1
Abstract
Polypropylene (PP)/clay nanocomposites are usually processed by melt mixing. In this method, mixing conditions are important variables to improve nanocomposite properties. Some studies reported the effects of processing on mechanical properties of PP/clay, but there is no clear
explanation on optimum conditions. This study aims to predict the optimum conditions of PP/clay nanocomposite prepared by an internal mixer using response surface methodology (DoE). The effect of mixing on flexural modulus and nanocomposite structures were analyzed. Temperature, rotation speed, and mixing time were varied. To improve interfacial bonding, polypropylene-graft-maleic anhydride (PP-g-MA) was added as a compatibilizer. PP/clay formulation was fixed at 88 wt% of This site uses cookies. By continuing to use this site you agree to our use of cookies. To find out
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[email protected]
Department of Physics, Faculty of Mathematics and Natural Sciences, University of Indonesia, Depok, 16424, Indonesia
Center of Polymer Technology. BPPT Puspitek Area, Setu, South Tangerang, 15314, Indonesia Zaiby et al 2018 IOP Conf. Ser.: Mater. Sci. Eng. 432 012014
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predicted at 222 ºC, 83 rpm and 5 minutes, giving 2085 MPa or 18% improvement compared to control sample. XRD diffractograms showed that nanocomposite peaks shifted to lower angles, suggesting the presence of some intercalated structures that supported the resulting increase in modulus.
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