29 Result(s)
within
R. D. S. G. Campilho
-
Article
Analysis of the performance of carbon fiber patches on improving the failure strength of a damaged and repaired plate
Since the implementation of the composite patch bonding repair technique, this process has gradually replaced traditional bolting or welding methods. The correct choice of fiber type for the composite patch gu...
-
Article
Open AccessParametric cohesive zone analysis of bi-adhesive single-step joints
The industry has advanced in replacing traditional joining methods, such as screwing/riveting and welding, especially the aeronautical and automotive industries, which have adopted the adhesive bonding method....
-
Article
Analysis of the substrate nature on the strength of a single-lap joint
Nowadays, the adhesive bonding process takes an important place in several industrial fields, especially in aeronautics. Given its advantages over other conventional mechanical processes, this process is being...
-
Article
Effect of Temperature on the Energy Release Rate Variation in Repaired Laminate Composites
This work initially aims to study the influence of temperature on the mechanical properties of composite materials and adhesive. With this purpose, the mechanical properties of the adhesive and composite were ...
-
Article
The Ogden model and the natural neighbour radial point interpolation method for hyperelastic analyses
Hyperelastic behaviour can be observed in rubber-like materials and biological tissues. Different hyperelastic models have been developed, the neo-Hookean, Mooney–Rivlin, and Ogden are among the most common. F...
-
Chapter and Conference Paper
Optimizing the Ag Filler Metal Content on Brazing of Cu-Stainless Steel Pipes Joints for Carbon Dioxide Refrigeration Plants
A carbon dioxide refrigeration plant is characterized by reaching maximum temperatures in the order of 150 ℃, and maximum pressures in the order of 130 bar, which means that the materials used in the pipes, as...
-
Chapter and Conference Paper
Hyperelastic Behaviour of Adhesives and Its Effect on Bonded Joints: An Exploratory Study
Ductile adhesives often present a non-linear behaviour, often considered as elastic-plastic, but it can also be hyperelastic. Although adhesive joints are important for modern manufacture, little information a...
-
Chapter and Conference Paper
Study of the Influence of Laser Welding Parameters on the Weld Quality and Microstructure of S355JR Structural Steel
Welding is employed greatly in the construction industry, with processes such as SMAW being the most used for welding structural steels. However, processes such as laser welding exhibit quite some advantages w...
-
Chapter and Conference Paper
Milling a Titanium Alloy Using Different Machining Parameters: A Comparative Study on Tool Wear, Tool Life and Performance
The machining process is still quite relevant in the manufacturing industry, being employed in the production of high-precision and quality parts for a wide variety of industries, for instance, the aerospace a...
-
Chapter and Conference Paper
Improving the Efficiency of the Bowden Cable Terminal Injection Process for the Automotive Industry
Control cables allow the transfer of force between two separate locations by a flexible means, hence their importance in the automotive industry and many others; their terminals interact with those moving and ...
-
Chapter and Conference Paper
Re-purposing a Welding Frame for a Tube Cutting Machine
The metalworking industry is a competitive market with a constant search for productivity and quality. In some cases, re-purposing of existing equipment can significantly increase the company's productivity. T...
-
Article
The Radial Point Interpolation Method combined with a bi-directional structural topology optimization algorithm
Projecting reduced-weight components with increased performance is a continuous engineering challenge, especially in the aircraft industry, where fuel consumption, emissions, and performance are highly depende...
-
Article
Topology optimization of light structures using the natural neighbour radial point interpolation method
In this work, a bi-directional evolutionary topology optimization algorithm capable of reinforcing the structure at critical high stress regions is combined with the Natural Neighbour Radial Point Interpolatio...
-
Article
Fracture mechanics approach to stress singularity in adhesive joints
Adhesives offer significant advantages when joining materials since they do not create discontinuities in the material, unlike bolting or riveting. Another interest of adhesive joints is the possibility of joi...
-
Chapter and Conference Paper
Development of an Elasto-plastic Meshless Technique to Analyse Bonded Structures
Adhesive joints are widely used in the production of goods, mainly in the transport industry. However, their industrial applications often have non-standard complex shapes. Computer simulation, like the finite...
-
Article
Parametric study of composite curved adhesive joints
Nowadays, the adhesive bonding method has a very strong presence in the most varied industries, especially in aeronautics, which strongly boosted the use of adhesively bonded joints. Curved bonded joints are c...
-
Article
Predicting single-lap joint strength using the natural neighbour radial point interpolation method
The increased usage of adhesive joints over traditional joining techniques results in a need to develop good designing tools for this type of joint. The most common method to predict adhesive joint strength is...
-
Article
Open AccessComparison of different adhesively-bonded joint types for mechanical structures
Adhesively-bonded joints are widely used to join structural components. The most common joint types are single-lap joints (SLJ), double-lap joints (DLJ), stepped-lap joints and scarf joints. Several factors in...
-
Article
Open AccessApplication a direct/cohesive zone method for the evaluation of scarf adhesive joints
With the increasing use of structures with adhesive bonds at the industrial level, several authors in the last decades have been conducting studies concerning the behaviour and strength of adhesive joints. Bet...
-
Article
A novel concept of bent wires sorting operation between workstations in the production of automotive parts
The most important goals pursued by the automotive industry for a long time are the quality and the delivery time. In order to ensure that such premises are fulfilled, it is necessary that these companies have...
