International Journal of Materials Science and Applications

Volume 6, Issue 4, July 2017

  • Schematic Interpretation of Anomalies in the Physical Properties of Eu and Yb Among the Lanthanides

    Yoshiharu Mae

    Issue: Volume 6, Issue 4, July 2017
    Pages: 165-170
    Received: 24 May 2017
    Accepted: 02 June 2017
    Published: 19 June 2017
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    Abstract: Lanthanides are the elements in 6th period and the 3rd group of the periodic table. Eu and Yb exhibit some unusual properties compared with the other lanthanides. The author has proposed a diagram to systematically illustrate the properties of the elements, by plotting the Young’s modulus on the ordinate and thermal conductivity on the abscissa. Eu... Show More
  • Synthesis and Characterization of Bone & Teeth Ash and Analysis of Their Influence on the Properties of Bone China

    Mst. Sharmin Mostari, Tasmia Zaman, Md. Shamimur Rahman

    Issue: Volume 6, Issue 4, July 2017
    Pages: 171-177
    Received: 30 April 2017
    Accepted: 08 May 2017
    Published: 29 June 2017
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    Abstract: The work was done to understand the effects of naturally occurred bone and teeth ash on the physical as well as mechanical properties of bone china products. Both bone and teeth ash was prepared following conventional thermal decomposition method. Locally found cattle bones and tooth was utilized for this purpose. Three different routes of powder o... Show More
  • Effect of Cold Working on Creep Rupture Strength of Alloy617

    Yoshiki Shioda, Kyohei Nomura, Keiji Kubushiro, Yoshinori Murata

    Issue: Volume 6, Issue 4, July 2017
    Pages: 178-189
    Received: 26 May 2017
    Accepted: 08 June 2017
    Published: 29 June 2017
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    Abstract: The effect of cold working on the creep rupture strength of Alloy617 was investigated. The creep rupture tests were conducted at temperatures of 700 to 800°C, under stresses from 100 to 350 MPa. At high stress conditions, the creep rupture time of the non-pre-strained samples are similar to those of the pre-strained samples. On the other hand, at l... Show More
  • Scientific Research Through Simulation in Africa: Role of HPC in Computational Material Studies

    Elicah Nafula Wabululu, P. W. O. Nyawere, Daniel Barasa Bem

    Issue: Volume 6, Issue 4, July 2017
    Pages: 190-192
    Received: 21 April 2017
    Accepted: 17 May 2017
    Published: 06 July 2017
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    Abstract: Africa is not investing much in computational materials research. Poor infrastructure in terms of electricity and internet connectivity has made research difficult for computational researchers. High Performing Computers and especially CHPC of South Africa have proven to be a better way of doing research in Africa. It has attracted many researchers... Show More
  • Effect of the Etching on Chemical Mechanical Planarization of the Selective Layer Surface

    Filip Ilie

    Issue: Volume 6, Issue 4, July 2017
    Pages: 193-199
    Received: 19 June 2017
    Accepted: 28 June 2017
    Published: 17 July 2017
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    Abstract: Among other the planarization technologies, Chemical mechanical planarization (CMP) is the unique global planarization technology, which makes it be continuously investigated. The planarization (polishing) and micromachining are of considerable interest to different engineering fields, such as the friction couples that function with the selective t... Show More
  • Correlation of the Effects of Alloying Elements on the Hardenability of Steels to the Diffusion Coefficients of Elements in Fe

    Yoshiharu Mae

    Issue: Volume 6, Issue 4, July 2017
    Pages: 200-206
    Received: 21 June 2017
    Accepted: 05 July 2017
    Published: 17 July 2017
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    Abstract: The effects of various alloying elements on the hardenability of steels are known experimentally, but the reasons for these effects are not well understood. In this work, the upper critical cooling rate was selected as the index of hardenability. Changes in the upper critical cooling rate of steel caused by the presence of alloying elements and the... Show More
  • Parameter Study on the Elastic Recovery Rate of Polymer Micro-channel by Rolling Embossing Process

    Cheng Jun-fei, Chen Xing

    Issue: Volume 6, Issue 4, July 2017
    Pages: 207-211
    Received: 19 July 2017
    Accepted:
    Published: 19 July 2017
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    Abstract: To study the influence of process parameters on the elastic recovery rate of polymer micro-channel in the rolling embossing, the nonlinear finite element simulation software ABAQUS is employed. The simulated results show that the elastic recovery rate of micro-channel cross-section decreases with an increase of temperature and decrease of preloadin... Show More
  • Adsorptive Removal of Trace Concentration of Fluoride Using Orange Waste Treated Using Concentrated Sulfuric Acid

    Hari Paudyal, Bimala Pangeni, Katsutoshi Inoue, Hiroyuki Harada, Hidetaka Kawakita, Keisuke Ohto, Shafiq Alam

    Issue: Volume 6, Issue 4, July 2017
    Pages: 212-222
    Received: 07 June 2017
    Accepted: 21 June 2017
    Published: 24 July 2017
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    Abstract: Novel adsorption gel was prepared from orange juice residue by using boiling concentrated sulfuric acid to create a condensation cross-linking reaction. It was then loaded with Zr(IV) ion to create adsorption sites for fluoride ions. This prepared gel was characterized by IR, EDX, XRD, SEM and chemical analysis. Fluoride adsorption was strongly pH ... Show More
  • Optical and Electrical Properties of Copper Doped Cadmium Oxy-Sulphide Quaternary Thin Films by MOCVD Technique

    Sabur Abiodun Ayinde, Adetokunbo T. Famojuro, Oladepo Fasakin, Bolutife Olofinjana, Adetayo Victor Adedeji, Moses Sesan Eluyemi, Marcus Adebola Eleruja, Ezekiel Oladele Bolarinwa Ajayi

    Issue: Volume 6, Issue 4, July 2017
    Pages: 223-229
    Received: 04 January 2016
    Accepted: 28 June 2017
    Published: 26 July 2017
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    Abstract: A prepared single solid source precursor was used for the deposition of copper doped oxy-sulphide thin films on glass substrate by MOCVD technique. This was achieved by the pyrolysis of the prepared precursors at 420°C with a flow rate of 2.5 dm3/min for 2 hours. The deposited films were characterized using Rutherford Backscattering Spectroscop... Show More