Now showing items 1-10 of 10

    • An ultra-fast annealing treatment by electropulsing during pure copper wire drawing 

      González Rojas, Hernan Alberto; Sánchez Egea, Antonio José; Hameed, Saqib; Bolmaro, Raúl (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-23)
      Article
      Open Access
      The influence of electropulses in situ on the drawing process of copper wires was investigated with the aim of avoiding time consuming annealing thermal treatments. It was found that with the application of electropulses, ...
    • Development of testing procedure for welded steel tubes 

      Hameed, Saqib (Universitat Politècnica de Catalunya, 2010-06)
      Master thesis
      Restricted access - author's decision
      The objective of this study is to perform physical tests on T-joint welded tubes to determine the axial static load behavior and compared them with the analytical and numerical calculations. Three experiments are performed ...
    • Electroplastic cutting influence in machining processes 

      Hameed, Saqib (Universitat Politècnica de Catalunya, 2017-09-22)
      Doctoral thesis
      Open Access
      The thesis presented is performed with the aim of studying the effect of electropulses (EPs) in machining processes such as drilling and round turning processes for different materials. When the EPs of short duration are ...
    • Electroplastic cutting influence on power consumption during drilling process 

      Hameed, Saqib; González Rojas, Hernan Alberto; Sánchez Egea, Antonio José; Nápoles Alberro, Amelia (2016-03-12)
      Article
      Open Access
      The aim of this study is to report the use of non-conventional material removal process technique. It was found that electropulses (EPs) assisted drilling process improves the material machinability based on the eletroplastic ...
    • Experimental technique to analyze the influence of cutting conditions on specific energy consumption during abrasive metal cutting with thin discs 

      Awan, Muhammad Rizwan; González Rojas, Hernan Alberto; Perat Benavides, Josep Ignasi; Hameed, Saqib (Springer, 2021-08-09)
      Article
      Open Access
      Specific energy consumption is an important indicator for a better understanding of the machinability of materials. The present study aims to estimate the specific energy consumption for abrasive metal cutting with ultra-thin ...
    • Influence of the regime of electropulsing-assisted machining on the plastic deformation of the layer being cut 

      Hameed, Saqib; González Rojas, Hernan Alberto; Perat Benavides, Josep Ignasi; Nápoles Alberro, Amelia; Sánchez Egea, Antonio J (2018-05-25)
      Article
      Open Access
      In this article, the influence of electropulsing on the machinability of steel S235 and aluminium 6060 has been studied during conventional and electropulsing-assisted turning processes. The machinability indices such as ...
    • Machine learning-based prediction of specific energy consumption for cut-off grinding 

      Awan, Muhammad Rizwan; González Rojas, Hernan Alberto; Hameed, Saqib; Riaz, Fahid; Hamid, Shahzaib; Hussain, Abrar (Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-21)
      Article
      Open Access
      Cut-off operation is widely used in the manufacturing industry and is highly energy-intensive. Prediction of specific energy consumption (SEC) using data-driven models is a promising means to understand, analyze and reduce ...
    • Model based on an effective material-removal rate to evaluate specific energy consumption in grinding 

      Nápoles Alberro, Amelia; González Rojas, Hernan Alberto; Sánchez Egea, Antonio José; Hameed, Saqib; Peña Aguilar, Reyna Mercedes (Multidisciplinary Digital Publishing Institute (MDPI), 2019-03-21)
      Article
      Open Access
      Grinding energy efficiency depends on the appropriate selection of cutting conditions, grinding wheel, and workpiece material. Additionally, the estimation of specific energy consumption is a good indicator to control the ...
    • Specific energy modeling of abrasive cut off operation based on sliding, plowing, and cutting 

      Awan, Muhammad Rizwan; González Rojas, Hernan Alberto; Perat Benavides, Josep Ignasi; Hameed, Saqib; Hussain, Abrar; Sánchez Egea, Antonio José (Elsevier, 2022-05)
      Article
      Open Access
      Studying the specific energy during material removal mechanism at micro-scale provides a better understanding of energy transition between different material removal regimes. Modeling of specific energy into components of ...
    • Wear and MnS layer adhesion in uncoated cutting tools when dry and wet turning free-cutting steels 

      Martinez Krahmer, Daniel; Hameed, Saqib; Sánchez Egea, Antonio José; Pérez, Daniela; Canales, Javier; López de la Calle, Luís Norberto (Multidisciplinary Digital Publishing Institute (MDPI), 2019-05-08)
      Article
      Open Access
      Free-cutting steels are developed to produce large quantities of parts with low mechanical behavior, mainly for automotive sector. These alloys contain phosphorous, lead, sulfur, and manganese that help to improve the ...