JST Vol. 21 (1) Jan. 2013 - Pertanika Journal - Universiti Putra ...

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Aji, I. S., Zinudin, E. S., Khairul, M. Z., Abdan, K. and S. M. Sapuan Fig.1: Variation in the tensile properties of hybridized composite has also shown that lower dosed hybrid is closely interacting with each other. This meant that the dose applied to the hybrid was not significantly different between 10 and 40 kGy until about 60 kGy onward, where significant formation of the radicals that underwent subsequence radical-radical reactions led to increase chemical bonding, leading to greater improvement in properties, especially that of the hybrid’s modulus. Hybridization and subsequent irradiation increased the tensile strength and modulus of HDPE to 31 and 185%, respectively, at about 100 kGy. Fig.2 and Fig.3 show that this close interaction took place within the composite at lower and higher doses. This must have been the reason why there was a direct proportionality relationship between the amount of dose and the tensile properties obtained in the hybrid composite produced. It is clear that there is a tendency for higher tensile properties with the increase in dose that can be received by this kind of hybrid. Fig.2: Tensile specimen at 10kGy without cross linking Fig.3: Tensile specimen at 100kGy without cross linking 138 Pertanika J. Sci. & Technol. 21 (1): 283 - 298 (2013)
Induced Tensile Properties With EB- Cross Linking of Hybridized Kenaf/Palf Reinforced HDPE Composite TABLE 1: The SAS analysis for Tensile strength and Modulus: Means with the same letter are not significantly different (alpha = 0.5) Dependent Variable: TStrength (Alpha = 0.5) Sum of Source DF Squares Mean Square F Value Pr > F Model 12 497.709442 41.475787 2.05 0.0605 Error 26 524.918198 20.189161 Corrected Total 38 1022.627640 R-Square Coeff Var Root MSE TStrength Mean .486697 14.03633 4.493235 32.01146 Source DF Type I SS Mean Square F Value Pr > F Rep 4 115.6834183 28.9208546 1.43 0.2514 Trt 8 382.0260238 47.7532530 2.37 0.0463 Duncan Grouping Mean N Trt A 38.099 3 100kGy B A 36.124 4 80kGy B A C 33.916 5 60kGy B A C 32.870 4 40kGy B A C 31.899 4 10kGy B A C 31.041 5 20kGy B C 30.369 4 30kGy B C 29.445 5 Neat HDPE C 27.419 5 Un-irradiated Hybrid TModulus Sum of Source DF Squares Mean Square F Value Pr > F Model 12 1060713.996 88392.833 9.30 F Rep 4 62140.6451 15535.1613 1.63 0.1956 Trt 8 998573.3508 124821.6689 13.13
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Journal of Science & Technology Jou
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International Advisory Board Adarsh
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ut bovine milk allergy by far is th
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Selected Articles from UPM-Malaysia
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ISSN: 0128-7680 © 2013 Universiti
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Aspect of Fatigue Analysis of Compo
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Application of Anthropometric Dimen
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Different Media Formulation on Bioc
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Heng, S. C., Ibrahim, Z. B., Suleim
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CONCLUSION Heng, S. C., Ibrahim, Z.
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Y. Yusuf, J. M. Juoi, Z. M. Rosli,
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Surface Roughness Y. Yusuf, J. M. J
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DISCUSSION Y. Yusuf, J. M. Juoi, Z.
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Modelling of Motion Resistance Rati
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The Empirical Method Modelling of M
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Assessment of Heavy Metal Pollution
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TABLE 1: Size of mussels in average
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TABLE 5: Heavy metal concentrations
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Trust Value MF-ID 1 0.8 0.6 0.4 0.2
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Issues on Trust Management in Wirel
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A Negation Query Engine for Complex
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REFERENCES A Negation Query Engine
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The Problem Association Rule Mining
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Association Rule Mining threshold t
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Association Rule Mining must be sor
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Association Rule Mining On the othe
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Association Rule Mining Quinlan, J.
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Che Mustapha Yusuf, J., Mohd Su’u
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Az Azrinudin Alidin and Fabio Crest
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Yogan Jaya Kumar, Naomie Salim, Ahm
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REFERENCES Yogan Jaya Kumar, Naomie
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Hasiah Mohamed@Omar, Azizah Jaafar
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The Role of Similarity Measurement
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TABLE 5: Winners MRS The Role of Si
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REFEREES FOR THE PERTANIKA JOURNAL
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Guidelines for Authors Publication
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table should be prepared on a separ
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The Journal’s review process What
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Usability of Educational Computer G
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JST Vol. 21 (1) Jan. 2013 - Pertanika Journal - Universiti Putra ...

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