Forthcoming articles

International Journal of Computational Materials Science and Surface Engineering

International Journal of Computational Materials Science and Surface Engineering (IJCMSSE)

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 Articles will not be published until the final proofs are validated by their authors.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 Computational Materials Science and Surface Engineering (7 papers in press)

Regular Issues

  • Modelling and optimization of adhesive bonded joint strength of composites for aerospace applications   Order a copy of this article
    by Hanumantharaya R, Irappa Sogalad, S. Basavarajappa, Manjunath Patel G C 
    Abstract: In recent past, adhesive bonding gain much attention world-wide in joining of engineered parts namely, automotive and aerospace structures. The strength of adhesive bonded composite joints is studied by conducting experiments based on the matrices of central composite design. The collected data was analyzed using response surface methodology. The mathematical model was established to express the load carrying capacity and joint strength as a function of input variables. Further, Analysis of variance was carried out to ensure good fit to the experimental data. Moreover, the statistical methods determine significant interaction effects among the factors. Finally, genetic algorithm was used to locate the optimum points of joint strength for the set of inputs i.e. 40 mm overlap length, 0.2 mm adhesive thickness and 4.526
    Keywords: Composite bonded joint; Response surface methodology; Central composite design; and Genetic algorithm.

  • Effect of cutting parameters on surface roughness in ultra-high precision turning of a contact lens polymer   Order a copy of this article
    by Muhammad Mukhtar Liman, Khaled Abou-El-Hossein, Lukman N. Abdulkadir, Peter O.,. Babatunde, Abubakar I.,. Jumare 
    Abstract: This paper studies the effect of cutting parameters on surface generation in ultra-precision turning of a contact lens polymer. Contact lens manufacture requires high accuracy and surface integrity. Surface roughness is generally used to measure the index quality of a turning process. It has been an important response because it has direct influence toward the part performance and the production cost. Hence, choosing optimal cutting parameters will not only improve the quality measure but also the productivity. This research work is therefore aimed at investigating the effect of cutting parameters (cutting speed, feed rate and depth of cut) on surface roughness of ONSI-56 contact lens polymer with a monocrystalline diamond cutting tool. In this work, cutting speed (A) is found to be the most dominant factor having the highest degree of significance followed by the square of the cutting speed (A2) and the feed rate (B). However, interaction between cutting speed and feed rate (AB) has the lowest degree of significance on the surface roughness.
    Keywords: ANOVA; Cutting parameters; Contact lenses; Surface roughness.

  • Mechanical and Wear Surface Characterization of Aluminum Hybrid Nanocomposite   Order a copy of this article
    by Manivannan I, Ranganathan S, Gopalakannan S, Suresh S, Candane D 
    Abstract: The newly engineered metal matrix nanocomposite (MMNC) of Al 6061 reinforced with 0.4 wt % SiC and 0.5 wt % Gr hybrid nanocomposites were synthesized by ultrasonic assisted stir casting method. The pin-on-disc equipment were conducted on the prepared samples to investigate the tribological behavior of the hybrid nanocomposite. The hybrid nanocomposite and wear surfaces have been characterized by Field Emission Scanning Electron Microscope (FESEM) equipped with an Energy Dispersive Spectrometer (EDS),Optical Microscope (OM) and 3D profilometer to understand the wear mechanisms. This study shows the effectiveness of incorporation of graphite in the hybrid nano composite for reduction of friction, wear and surface roughness. With the introduction of nanoSiC and Gr particles in to matrix alloy, the number and depth of grooves in worn surface of hybrid nanocomposites decreased. The Al/0.4SiC/0.5Gr hybrid nano-composite showed superior tribological properties and self-lubricating ability compared to the matrix alloy.
    Keywords: Al6061; Nano SiC; Graphite; Ultrasonic assisted casting; Wear; Friction; Surface roughness.

  • Effect of weld parameters on joint strength of 904L grade steel using resistance spot welding   Order a copy of this article
    by Vivek Kalyankar, Nitin Chouhan 
    Abstract: Experimental investigation on resistance spot welding of 904L super austenitic stainless steel, which is finding its considerable applicability in automobile sector, is presented in this work. However, joining of this material involves difficulties due to complex working range of process parameters leading to critical mechanical and metallurgical changes in the weld joint. More focus is given on effect of important process parameters like weld time, current, electrode pressure and squeeze time on strength of weld joint. A mathematical model is proposed to understand the combined effect of multiple processing parameters on tensile shear strength (TSS) which can be beneficial to scientific community to get enhanced results. For the present setup, more significant parameter is electrode pressure followed by other parameters. TSS decreases with increase in electrode pressure up to certain level and then starts increasing while TSS increases with increase in squeeze time and subsequently it remains constant.
    Keywords: 904L stainless steel; Resistance spot welding; Tensile shear strength; Weld time; Electrode pressure; Weld current; Squeeze time.

  • Influences of Tool Rotational Speed on Microstructural Characteristics and Mechanical Properties of Friction Stir Welded AA2014-T6 Aluminium Alloy   Order a copy of this article
    by Chinnasamy Rajendran 
    Abstract: Friction stir welding (FSW) is a promising solid-state welding process for precipitation hardening and high strength aluminum alloys. An experimental and theoretical investigation was carried out to check the significance of tool rotation speed on microstructural characteristics and tensile properties of high-strength alloy AA2014. FSW joints were made with varying tool rotation speed from 1100 rpm to 1900 rpm with an equal increment of 200 rpm, while the other parameters such as welding speed, shoulder diameter and tool tilt angle were kept constant. The strength of FSW joints was correlated with microhardness, microstructure and fractographs. The joint fabricated with the tool rotation speed of 1500 rpm, welding speed of 50 mm/min, shoulder diameter of 6 mm and tool tilt angle of 1.5
    Keywords: Friction stir welding; AA2014; Tool rotational speed; Tensile properties; Microstructure.

  • Molecular dynamic study of combined effects of diamond tool rake angle and duncut/Redge ratio on nanomachining behavior of monocrystalline optical silicon   Order a copy of this article
    by Lukman N. Abdulkadir, Khaled Abou-El-Hossein, Muhammad M. Liman, Peter B. Odedeyi, Abubakar I. Jumare 
    Abstract: Silicon shows ductility under contact loading due to influence of tool geometry and cutting parameters. Of the tool geometries, edge radius and rake angle have been proven to significantly affect ductile regime machining of silicon. Molecular dynamics (MD) study of the effects of edge radius, rake angle and d_uncut/R_edge ratio (at uncut chip thickness above and below edge radius) on optical silicon nanomachining was conducted using a multi-body potential function. It was observed that the stress state of silicon in the machining zone was within experimental reported range and increased with increase in rake angle and decrease in d_uncut/R_edge ratio causing increased compression of in-depth residual stress. Larger rake angle tool experienced slightly stronger cutting resistance from the workpiece than that with the smaller rake angle (with the same edge radius) causing the specific cutting energy (SCE), cutting and thrust forces to increase. The kinetic friction was however high at high d_uncut/R_edge ratio, reducing as the rake angle increases due to increase in thrust forces. Furthermore, the excessive negative effective rake angle created due to edge roundness at low d_uncut/R_edge ratio and high rake angle was observed to be responsible for increase in phase change at the cutting region. This led to a decrease in chip length and thickness, while the ploughing ahead of the tool and subsurface deformation underneath the machined surface increased.
    Keywords: Molecular dynamics; potential function; optical silicon; rake angle; d_uncut/R_edge ratio plastic deformation; subsurface deformation.

  • Thermo-mechanical Evaluation of Plasma Sprayed YSZ based Multi-layered Thermal Barrier Coatings   Order a copy of this article
    by Debasish Das, Rajeev Verma, Vipul Kumar Pathak 
    Abstract: The multi-layered YSZ, NiCoCrAlY, Cr2O3 and Al2O3 coatings of varying thickness (200
    Keywords: Thermal barrier coatings; diesel engine; thermal cycling; lattice strain.