Now showing items 1-20 of 22

    • Adhesive bonding of aluminium with structural acrylic adhesives: durability in wet environments 

      del Real Romero, Juan Carlos; Cano de Santayana Ortega, Mercedes; Abenojar Buendía, Juana; Martínez Casanova, Miguel Ángel (01/12/2006)
      The durability of EN AW 6082-T651 aluminium alloy joints bonded with a toughened acrylic adhesive was investigated upon exposure to wet environments (humidity, water immersion and salt water immersion). Environmentally-friendly ...
    • Aging by moisture and/or temperature of epoxy/SiC composites: thermal and mechanical properties 

      Abenojar Buendía, Juana; Pantoja Ruiz, Mariola; Martínez Casanova, Miguel Ángel; del Real Romero, Juan Carlos (01/10/2015)
      The present work focuses on investigating the effects of moisture absorption on the mechanical and thermal properties of epoxy reinforced with percentage (by wt.) silicon carbide (nano and micro-metric) composites. In order ...
    • Analytical solution to calculate the stress distribution in pin-and-collar samples bonded with anaerobic adhesives (following ISO 10123 standard) 

      Martínez Casanova, Miguel Ángel; Velasco López, Francisco Javier; Abenojar Buendía, Juana; Pantoja Ruiz, Mariola; del Real Romero, Juan Carlos (01/12/2008)
      In this work, we analyse cylindrical joints bonded with anaerobic adhesives, applying the principles found in a paper of Nemes et al. [Int J Adhes Adhes 2006; 26(6) :474]. Nemes paper gives an analytical solution for the ...
    • Case studies in adhesives selection 

      López Martín, Francisco; Suárez Bermejo, Juan Carlos; Diez de Ulzurrum Romeo, Ignacio; Biezma Moraleda, María Victoria; Ruiz Roman, José Manuel; del Real Romero, Juan Carlos; Martínez Casanova, Miguel Ángel (20/12/2003)
      The selection of an adhesive for a particular application is not as easy as endeavour as it might originally appear. To achieve optimum performance when bonding two materials, one must carefully plan every stage of the ...
    • Durability of steel joints with ductile adhesive subjected to fatigue tests 

      Enciso Ramos, Belen; Paz Jiménez, Eva; Trujillo del Valle, Cristina; Abenojar Buendía, Juana; Martínez Casanova, Miguel Ángel (Universiteit Gent (Gante, Bélgica), 09/07/2018)
      The aim of this work is the study of the adhesive joints degradation within the polyurethane-steel and silicone-steel joints from the point of view of their behavior on service and under aging conditions. In order to ...
    • Durability of steel joints with ductile adhesive subjected to fatigue tests 

      Enciso Ramos, Belen; Paz Jiménez, Eva; Trujillo del Valle, Cristina; Abenojar Buendía, Juana; Martínez Casanova, Miguel Ángel
      The aim of this work is the study of the adhesive joints degradation within the polyurethane-steel and silicone-steel joints from the point of view of their behavior on service and under aging conditions. In order to ...
    • Durability of steel joints with ductile adhesive subjected to fatigue tests 

      Enciso Ramos, Belen; Paz Jiménez, Eva; Trujillo del Valle, Cristina; Abenojar Buendía, Juana; Martínez Casanova, Miguel Ángel
      The aim of this work is the study of the adhesive joints degradation within the polyurethane-steel and silicone-steel joints from the point of view of their behavior on service and under aging conditions. In order to ...
    • Effect of EtOH/H2O Ratio and pH on bis-sulfur silane solutions for electrogalvanized steel joints based on anaerobic adhesives 

      Pantoja Ruiz, Mariola; Martínez Casanova, Miguel Ángel; Abenojar Buendía, Juana; Encinas García, Noemí; Ballesteros Iglesias, María Yolanda (01/09/2011)
      A minimum hydrolysis time is required to get an adequate crosslinking between a silane film and a metallic substrate and that depends on the contents of silane, ethanol, and water in the silane solution. The objectives for ...
    • Effect of moisture and temperature on the mechanical properties of an epoxy reinforced with boron carbide 

      Abenojar Buendía, Juana; Martínez Casanova, Miguel Ángel; Velasco López, Francisco Javier; del Real Romero, Juan Carlos (01/08/2011)
      The degree of degradation in a polymer composite is directly related to the amount of moisture it absorbs. Plasticization and swelling are among the undesirable consequences of absorbed water. This effect is rather important ...
    • Effect of silane treatment on SiC particles used as reinforcement in epoxy resins 

      Abenojar Buendía, Juana; del Real Romero, Juan Carlos; Martínez Casanova, Miguel Ángel; Cano de Santayana Ortega, Mercedes (15/09/2009)
      Silicon carbide (SiC) is used as reinforcement in polymeric materials due to its high resistance to abrasive wear and hardness. However, sometimes the lack of anchoring between the SiC particles and the polymer produces ...
    • Effect of surface treatments on natural cork: surface energy, adhesion and acoustic insulation 

      Abenojar Buendía, Juana; Barbosa, Ana.Q.; Ballesteros Iglesias, María Yolanda; del Real Romero, Juan Carlos; Da Silva, Lucas.F.M.; Martínez Casanova, Miguel Ángel (01/01/2014)
      Cork is one of the finest natural materials with high acoustic insulation properties due to its porous structure. In addition, cork presents high water resistance due to its hydrophobic nature. In many applications, cork ...
    • Epoxy composite reinforced with nano and micro SiC particles: curing kinetics and mechanical properties 

      Abenojar Buendía, Juana; Martínez Casanova, Miguel Ángel; Pantoja Ruiz, Mariola; Velasco López, Francisco Javier; del Real Romero, Juan Carlos (01/05/2012)
      Epoxy-based composite materials reinforced with hard particles can be used as anti-wear coatings. In this study, a commercial bicomponent resin was used, with 6 and 12% SiC particles in two different particle sizes (nano ...
    • Erosion-wear, mechanical and thermal properties of silica filled epoxy nanocomposites 

      Abenojar Buendía, Juana; Tutor Sánchez, Joaquín; Ballesteros Iglesias, María Yolanda; del Real Romero, Juan Carlos; Martínez Casanova, Miguel Ángel (01/07/2017)
      Different nano- and micro-fillers are added to modify the mechanical properties, wear resistance, thermal properties and the curing process of polymers. A very important application for epoxy resins is to be used as coating ...
    • Influence of low pressure plasma treatment on the durability of thermoplastic composites LDPE-flax/coconut under thermal and humidity conditions 

      Enciso Ramos, Belen; Abenojar Buendía, Juana; Paz Jiménez, Eva; Martínez Casanova, Miguel Ángel (06/06/2018)
      The aim of this work is to study the influence of low pressure plasma (LPP) treatment on the durability of thermoplastic composites using flax and coconut fibres as reinforcement. Two different aging conditions were ...
    • Influence of silanisation parameters with y-methacryloxypropyltrimethoxysilane on durability of aluminium/acrylic adhesive joints 

      del Real Romero, Juan Carlos; Cano de Santayana Ortega, Mercedes; Abenojar Buendía, Juana; Pantoja Ruiz, Mariola; Martínez Casanova, Miguel Ángel (01/09/2008)
      Silane coupling agents have extensively been used as adhesion promoters in the GRP (Glass Reinforced Plastic) composites. In recent years, the application of silanes in aluminium bonding process has been extensively ...
    • Influence of thread geometry on the performance of retaining anaerobic adhesives 

      Martínez Casanova, Miguel Ángel; Pantoja Ruiz, Mariola; Abenojar Buendía, Juana; del Real Romero, Juan Carlos; Velasco López, Francisco Javier (01/09/2011)
      The main aim of this work is to study the influence of the geometry of screws on torsion tests when they are retained with adhesives. The geometry of different types of screw threads has been studied, measuring theoretical ...
    • Kinetics of curing process in carbon/epoxy nano-composites 

      Abenojar Buendía, Juana; del Real Romero, Juan Carlos; Ballesteros Iglesias, María Yolanda; Martínez Casanova, Miguel Ángel
      Epoxy resins are routinely used as adhesives, coatings, encapsulates, casting materials, and as matrix in composites. Their high crosslinking supposes too much rigidity, resulting in low toughness. Nano-filled addition ...
    • Optimization of the design of a double-cup specimen using the finite element method for testing adhesive bonds under tensile loads 

      Martínez Casanova, Miguel Ángel; Muñoz, P.; Abenojar Buendía, Juana; Velasco López, Francisco Javier; del Real Romero, Juan Carlos (01/07/2009)
      The aim of this research was to optimize the geometry of a double-cup specimen for tensile testing of adhesive bonds. For this purpose, the influence of the geometry of the double-cup specimen on the stress distribution ...
    • Polymerization kinetics of acrylic bone cement: effect of two different antibiotics 

      Abenojar Buendía, Juana; Paz Jiménez, Eva; Ballesteros Iglesias, María Yolanda; del Real Romero, Juan Carlos; Martínez Casanova, Miguel Ángel
      In this work the influence of addition of vancomycin and cefazolin antibiotics is evaluating in relation with the polymerization kinetic. Antibiotic-loaded bone cements are widely used for primary hip arthroplasties due ...
    • Polymerization kinetics of boron carbide/epoxy composites 

      Abenojar Buendía, Juana; Encinas García, Noemí; del Real Romero, Juan Carlos; Martínez Casanova, Miguel Ángel (10/01/2014)
      This study employs Differential Scanning Calorimetry (DSC) technique and focuses on the curing kinetics and the activation energy of the commercial epoxy resin (which cures at room temperature for 12 h) filled with boron ...