Forthcoming Articles

International Journal of Abrasive Technology

International Journal of Abrasive Technology (IJAT)

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International Journal of Abrasive Technology (4 papers in press)

Regular Issues

  • Effect of Laser Power on Wear Characteristics of Ti-6A-4V Alloy Fabricated by Selective Laser Melting   Order a copy of this article
    by Ehsan Rahimi, Hoorshad Mortezaei-Semnani, Sina Tahery-Neyestanaki, Omid Ashkani, Mahsa Bayat-hojati 
    Abstract: Selective laser melting technology is one of the suitable choices for manufacturing parts in the future. In the present study, the effect of laser power on the Tribological properties of titanium alloy was investigated. The results showed that with increasing laser power, the hardness of the alloy increases by 5.2% due to microstructural changes, but on the other hand, the wear behaviour of the alloy decreases with increasing laser power due to reasons such as unstable wear behaviour, microstructural changes, and the weakness of the formed oxide layer. It should be noted that the surface roughness of the prototype can also affect the wear resistance, and increasing the laser power increased the surface roughness as well as the wear rate.
    Keywords: Selective laser melting; laser power; wear behaviour.
    DOI: 10.1504/IJAT.2025.10072089
     
  • Modelling and Simulation of Three-Body Abrasion in a Novel Test Rig with Layers of Silica Sand as Abrasive   Order a copy of this article
    by My Anh Vu, The Y. Doan 
    Abstract: In this study, a novel three-body wear model is introduced to simulate the three-body wear in a block-on-disk test rig with layers of silica sand as abrasive.We aim to simulate the wear depth and the wear intensity when applied loads and velocity are given a priori. The kinematics of the particle layers, the contact stiffness and the friction characteristic have transparent effects on the wear process and are represented by regression functions of applied loads and relative velocity. These functions are incorporated into the modified Fleischer three-body wear equation that represents wear at various discrete points. The wear of the sample and the disk, which is represented by the wear intensity and wear depth, is thereby calculated accumulatively from the wear at these points. Simulation results exhibit good agreement with experimental ones. Therefore, this model allows for a realistic and numerically efficient calculation of wear in three-body contact, and hence a possible wear predictor.
    Keywords: Three-body Abrasive Wear; Wear Simulation; Discrete Contact Elements; Mathematical Modelling.
    DOI: 10.1504/IJAT.2025.10073750
     
  • Polishing Special-Shaped Stone with the Semi-Consolidated Sol-Gel Abrasive Tool on the 6-DOF Manipulator   Order a copy of this article
    by Yun Shen, Jing Lu, Changcai Cui, Shengui Huang 
    Abstract: As the last step of stone processing, polishing plays a vital role in showing the surface gloss and texture of the stone. While carving can be automated, polishing remains challenging due to complex shapes and compositions. This paper introduces a novel polishing method using SG (sol-gel) prepared semi-consolidated flexible tools and a full-fit polishing model. A six degrees of freedom (6 DOF) manipulator is employed to achieve automatic polishing. XRD analysis, surface roughness, and glossiness tests demonstrate that polishing increases glossiness by six times and reduces roughness by 41%. In different composition areas (black, brown, beige), glossiness and roughness reach approximately 30 and 0.70 ?m, respectively. This method enables uniform, high-quality polishing for special-shaped stones, achieving significant improvements in surface performance.
    Keywords: Special-shaped stone; Flexible polishing tools; Robotic polishing; Trajectory planning; Fit polishing.
    DOI: 10.1504/IJAT.2025.10073761
     
  • Investigation of Machining Accuracy in Sisal Fibre-Reinforced Composites: Effects of Process Parameters in Abrasive Water Jet Machining for Sustainable Manufacturing   Order a copy of this article
    by Karthick Rasu 
    Abstract: This study investigates the impact of water pressure, traverse speed, and standoff distance on surface roughness and kerf angle in abrasive water jet machining of sisal fibre-reinforced composites. ANOVA results show traverse speed (42.53%) and water pressure (39.77%) as the dominant factors influencing surface roughness, with standoff distance contributing 12.13%. Signal-to-noise ratio analysis confirms these trends, highlighting significant Delta values for traverse speed (0.876) and water pressure (0.762). For kerf angle, traverse speed (39.49%) and water pressure (32.04%) are primary factors, with standoff distance contributing 7.53%. Optimal conditions identified include higher water pressures(240250 bar), moderate traverse speeds (3040 mm/min), and shorter standoff distances (2.02.4 mm). These findings emphasise the need to optimise traverse speed and water pressure for improved precision and efficiency, with applications in industries like automotive, aerospace, construction, and marine sectors.
    Keywords: Sisal fiber; polyester matrix; mechanical properties; surface roughness; kerf angle.
    DOI: 10.1504/IJAT.2025.10073958
     

 

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