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All Journal Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Budapest International Research in Exact Sciences (BirEx Journal) Jurnal Inovasi Teknologi dan Edukasi Teknik
Okolie, Paul Chukwulozie
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Electrical & Electronics Engineering Industrial & Manufacturing Engineering Physics Social Sciences Transportation

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Development of engineering material selection computer package for enhanced decision making Nwankwo, Daniel; Okolie, Paul Chukwulozie; Madumere, Augustine Uzodinma; Okonkwo, Ugochukwu Chuka; Okoye, Chibuzo Ndubuisi
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 8, No 1 (2025): Budapest International Research and Critics Institute February
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v8i1.8046

Abstract

An engineering material selection computer package for enhanced decision making has been developed. MATLAB software (2021 edition) which has built-in application design environment was employed for the development. The package integrates three main windows: the Login Window, the Add Material Window, and the Select Material Window. Through a detailed review of existing material selection methodologies, this research work presents a unified software solution tailored for engineering material selection. The software automates material classification, provides systematic ranking mechanisms, and offers detailed property displays during selection. Results demonstrate successful integration of material selection into a user-friendly interface, automated classification based on predefined parameters, and systematic ranking mechanisms. The software enables seamless updates, incorporates interactive documentation, and facilitates efficient material selection. The package is recommended for use by engineering students and practicing engineers, providing them with a valuable tool for material selection processes in their respective fields. Further recommendations include, regular software updates and integration with external databases to optimize impact. Overall, this thesis presents a robust software solution that enhances efficiency and accuracy in engineering material selection, aiding decision-making processes across engineering industries.
Firing Temperature Effect on the Thermo-structural Properties of Clay for Refractory Purposes: A Comparative Study on Nigerian Clay Deposits Obialo, Nwokeocha Tochukwu; Okolie, Paul Chukwulozie; Odeh, Calistus Princewill; Okoye, Chibuzo Ndubuisi; Uzodinma, Madumere Augustine
Budapest International Research in Exact Sciences (BirEx) Journal Vol 7, No 2 (2025): Budapest International Research in Exact Sciences, April
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birex.v7i2.8045

Abstract

A comparative study on firing temperature effect on the thermo-structural properties of clay for refractory purposes, have been carried out on three Nigerian clay deposits (Mgbom, Amokwe and Amagu Ishiagu clay deposits). Three firing temperatures; 900, 1100 and 1200oC were considered in the study. Standard clay preparation procedures were employed in setting up the experiment, these include; crushing, soaking, drying, grinding, sieving, blending and moulding. Six refractory property tests (linear shrinkage, bulk density, apparent porosity, water absorption, thermal shock resistance and refractoriness) were carried out on the prepared clay according to ASTM standards. For the purpose of microstructural characteristics, the Scanning Electron Microscope (SEM) test was also conducted. The test result gave a 27.26 - 42.53N/mm2, 4.09 – 9.27% 1.66 – 2.07g/cm3 1.01 – 15.65% 19-28 cycles for modulus of rupture, linear shrinkage, bulk density, apparent porosity and thermal shock respectively. The microstructural analysis showed a level of similarity between that of Mgbom and Amagu while that of Amokwe gave a number of visible pores. From the analysis of the obtained results 1200oC firing temperature was recommended among the studied temperatures.
OPTIMIZATION OF PROCESS PARAMETERS FOR ENHANCING THE PROPERTIES OF BREADFRUIT SEED COAT-REINFORCED LOW-DENSITY POLYETHYLENE COMPOSITE Okolie, Paul Chukwulozie; Nnaemeka, Ezenwa Obiora; Princewill Odeh, Calistus; Ndubuisi Okoye, Chibuzo; Augustine Uzodinma , Madumere; Nwachinemere, Chima Bright
Jurnal Inovasi Teknologi dan Edukasi Teknik Vol. 4 No. 8 (2024)
Publisher : Universitas Ngeri Malang

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Abstract

This study investigates the optimization of process parameters to enhance the properties of breadfruit seed coat-reinforced low-density polyethylene composite ceiling boards. The research focused on assessing the effects of mixing ratio, press temperature, pressure, and press time on key material properties, including water absorption (WA), thermal conductivity (K), flexural strength (FS), and fire performance (FP). Breadfruit seed coats (BSCs) were treated with sodium hydroxide (NaOH) and acetic acid (CH₃COOH) to modify their surface properties before being mixed with kaolin (as a fire retardant) and low-density polyethylene (LDPE) to form composite boards through hydraulic pressing. The study also statistically analyzed and optimized the fabrication parameters using Response Surface Optimal Design (RSOD). The results demonstrated that kaolin content and mixing ratio significantly influenced WA, K, FS, and FP, while press temperature, pressure, and time had varying degrees of impact. The optimized parameters (20% mixing ratio, 180°C press temperature, 15 MPa press pressure, and 10 min press time) gave the optimal moisture resistance, thermal insulation, superior mechanical strength, and fire resistance. The findings highlight the potential of breadfruit seed coat composites as sustainable, cost-effective, and eco-friendly alternatives to conventional ceiling materials. This study contributes to agricultural waste recycling in composite manufacturing, promoting environmental sustainability while meeting modern construction demands
Co-Authors Augustine Uzodinma , Madumere Madumere, Augustine Uzodinma Ndubuisi Okoye, Chibuzo Nnaemeka, Ezenwa Obiora Nwachinemere, Chima Bright Nwankwo, Daniel Obialo, Nwokeocha Tochukwu Odeh, Calistus Princewill Okonkwo, Ugochukwu Chuka Okoye, Chibuzo Ndubuisi Princewill Odeh, Calistus Uzodinma, Madumere Augustine