Forthcoming articles

International Journal of Microstructure and Materials Properties

International Journal of Microstructure and Materials Properties (IJMMP)

These articles have been peer-reviewed and accepted for publication but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

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International Journal of Microstructure and Materials Properties (4 papers in press)

Regular Issues

  • Mechanics Study of Automotive Aluminum Alloy Materials Based on Elastohydrodynamic Model   Order a copy of this article
    by Jianna Huang, Xuang Wang 
    Abstract: In order to solve the problem of large error in traditional testing methods for automotive aluminum alloy materials, a testing method for mechanical properties of automotive aluminum alloy materials based on Elastohydrodynamic model was proposed. Firstly, the Elastohydrodynamic model of automobile aluminium alloy material is constructed to obtain the bearing capacity and strength of automobile aluminium alloy material. Secondly, based on the Elastohydrodynamic model of automobile aluminium alloy material, the load and yield strength of automobile aluminium alloy material mechanical components are analyzed, and the vehicle use is estimated. Parameters of mechanical components of aluminium alloy materials. Finally, the mechanical properties of automotive aluminium alloys were further optimized by the evaluation method of under-actuated two-degree-of-freedom mechanism and the calculation of the coupling eigenfunction of mechanical properties of aluminium alloys and the energy equation of the relationship between friction force and friction coefficient.
    Keywords: Elastohydrodynamic Model; Aluminum Alloy Materials; Mechanical Properties; Thermoelasticity.

  • Translucent - and /-SiAlON Ceramics: Study on investigation of the relationship between phase diversity and optical properties   Order a copy of this article
    by Suna Avcioglu, Semra Kurama 
    Abstract: In this study, Dy+3, Y+3, and La+3 doped SiAlON ceramics were fabricated by using spark plasma sintering (SPS) technique. The effects of additive cation, starting composition and processing conditions on the morphological evolution as well as on the phase assembly of SiAlON ceramics were investigated. The influence of phase diversity on the optical properties of SiAlON ceramics was also discussed. The microstructure and phase characterization of the samples was carried out by using SEM and XRD techniques, respectively. The IR transmittance of the sintered SiAlON ceramics was inspected in 2000-7000 cm-1 wavenumber region by using FTIR. Results indicate that translucent α- SiAlON, α/β-SiAlON ceramics and their in-situ composites with AlN-polytypoids were successfully obtained. The presence of a high amount of secondary phases such as AlN-polytype and the oxynitride glassy phase has been found to reduce the optical transmission of SiAlON ceramics. The Y+3 and Dy+3 cations contribute better to the formation of single-phase α-SiAlON than La+3. Doping SiAlON ceramics with Dy+3 cation leads to the formation of relatively homogenized final microstructure. Therefore, higher IR transmission values were observed on Dy-α-SiAlON (42.2%) and Dy-α/β-SiAlON (45.07%) samples. Additionally, final grain size/grain size distribution and density of the sintered bodies are influential factors on optical properties of SiAlON ceramics.
    Keywords: SiAlON; phase composition; SPS; microstructure; optical properties.

  • Effect of different sintering conditions on microstructural characterisation of Co-Cr metal laser powder   Order a copy of this article
    by Gürel Pekkan, Eda Tasci, Keriman Pekkan, Murat Ispalarli 
    Abstract: Co-Cr alloys have been used for many years in dentistry. In recent years, the fabrication of prosthetic restorations from Co-Cr alloys by metal laser sintering method has become widespread. This method is a combination of powder metallurgy and three-dimensional printing technologies. The surface microstructure of the material and the different phases formed on the surface of the material after sintering and heat treatment are extremely important since these metal substructures are layered with dental porcelain in fixed prosthetic dentistry. In this study, characterisation of Co-Cr alloy samples produced by direct metal laser sintering method and sintering under various atmospheric conditions were performed with XRD, SEM and EDX. It was observed that sintering with different methods under various atmospheric conditions affected the XRD phase intensities. The sintering in the argon gas atmosphere yielded a more significant phase separation that facilitates the identification of different phases in XRD patterns.
    Keywords: Laser metal powder; Selective laser sintering; Characterisation; XRD; SEM; EDX; Co-Cr alloy; Argon.

  • Effect of short carbon fibers on the Fresh state and compressive strength properties of self-compacting concrete   Order a copy of this article
    by Iftekar Gull, M.A. Tantray 
    Abstract: This study highlights the fresh state flow properties and hardened state compressive strength properties of short carbon fiber reinforced self-compacting concrete. 15 mixes with varying W/C ratio, cement content, and the percentage of carbon fibers were investigated. The impact of the variations on the self-compacting concrete was analyzed by comparing the mixes to the control mix. The present study investigations revealed a decrease in filling and passing ability of CFRSCC with the addition of higher percentages of carbon fibers while the addition of carbon fiber at lower percentage exhibits improvement in the filling, passing and segregation resistance properties. It was also observed that with the inclusion of short carbon fibers, the compressive strength was significantly improved. The microstructure of the CFRSCC with different percentages of Carbon fiber was also analyzed and is presented in this study.
    Keywords: Pitch-Based Short carbon fibers; Self-compacting concrete; Filling ability; Passing ability; Segregation Resistance; Compressive Strength; Scanning Electron Microscopy; Regression Analysis; Carbon fiber failure mechanism.