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Johor Bahru, Malaysia

Khee Y.S.,Center for Electromagnetic Compatibility | Kiong S.C.,UTHM | Jenu M.Z.M.,Center for Electromagnetic Compatibility
Applied Mechanics and Materials | Year: 2013

Concern regarding the shielding effectiveness (SE) of building materials is gaining more response nowadays due to the awareness on the electromagnetic pollution (EMP) that is believed to results in disastrous consequence. A pure concrete inherently providing certain level of SE but it is not enough. Hence additional shielding and absorbing additives are added into the concrete. In this work MnxZn1-xFe2O4 will be added into the pure concrete to enhance its SE performance. The effect of microstructure, compositions, grain sizes, homogeneity, mixture volume of the MnxZn1-xFe2O4 will be considered for the optimization in this mixture. The key component to determine the SE of concrete is their electrical characteristic (relative permittivity and relative permeability). The parallel plate which is proposed previously will be used to determine the electrical characteristic of material and it will also be used for SE measurement. © (2013) Trans Tech Publications, Switzerland.

Changing of requirements in a software project should be managed effectively. However, managing changes is a challenge due to many reasons. One of the reasons is requirements do not stand alone and they are typically related to one another in several ways. The relationships may impact individual requirement as well as the entire software project. Thus, this research aims to investigate how these types of requirements relationships impact requirements change as well as software project success. We examined the impacts from the perspective of business analyst using PLS. The findings can be used as a guide on working with requirements relationships knowledge that is useful for business analysts and research community. © 2015 The Authors.

Yee S.K.,Center for Electromagnetic Compatibility | Kiong S.C.,UTHM | Mohd Z.b.M.J.,Center for Electromagnetic Compatibility
Applied Mechanics and Materials | Year: 2014

Electromagnetic Interference (EMI) issue is gaining more attention as the result of proliferation of electrical and electronic devices. In order to reduce the exposure to EMI, shielding and absorbing materials are often applied. This paper discussed the process of forming the nickelzinc ferrite as one of the absorbing material by mixing the nickel nitrate, zinc nitrate and iron (III) nitrate together. X-ray diffraction, scanning electron microscopy, and dielectric measurement are carried out to reveal the characteristic of the specimen. The sintering temperature determines the formation of a pure spinal nickel-zinc ferrite and grain size. © (2014) Trans Tech Publications, Switzerland.

Majid M.A.,UTHM | Wan Badaruzzaman W.H.,UKM
Key Engineering Materials | Year: 2014

This research paper describes the investigation of new innovative form of lightweight composite known as Profiled Steel Sheeting Dry Board (PSSDB) wall panel system. Profiled Steel Sheeting Dry Board (PSSDB) is categorized as Industrialized Building System where paneling system has been developed to substitute the traditional structure of brick wall. The proposed system is a novel form of double and single sheathed composite panel. It consists of dry board and profiled steel sheet for middle core, attached by screws at both surfaces forming the composite action. This paper present the experimental results of twelve full scaled samples of PSSDB wall panel by using Cliplock 610 and PEVA45 as profiled steel sheet and PrimaFlex dry board for surface sheathed. All 12 wall panel samples have been tested under axial load until failure. From the experiment, it was found that the maximum load capacity of PSSDB wall panel can withstand is 1329kN with PEVA45 at screw spacing of 200 mm. While for the wall panel assembled using Cliplock 610, the maximum load is 612kN. The study shows that the new PSSDB wall panel system has a great potential to be used as a load bearing under axial load and expected to have a confidence for structural system in future construction. Copyright © 2014 Trans Tech Publications Ltd, Switzerland.

BATU PAHAT: Johor plans to be a pioneer in producing alternative energy within Malaysia by cooperating with Universiti Tun Hussein Onn Malaysia . Mentri Besar Datuk Mohamed Khaled Nordin said the state government, through Johor Petroleum Development Corporation , would be working closely with UTHM. Start the conversation, or Read more at The Star Online.

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