Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 19 of 19 for “"Carbon Fiber Reinforced Polymers"”.
-
Optimum design of precast bridge systems prestressed with carbon fiber reinforced polymers
… of these advantageous properties, structures reinforced with composite materials are lighter and have longer service life than those reinforced with steel. On the other hand, the composite materials are very expensive as compared to steel. However, the severity of this problem can be minimized …
-
Flexural Behavior of Laterally Damaged Full-Scale Bridge Girders Through the Use of Carbon Fiber Reinforced Polymers (CFRP)
… to simulated impact damage and repaired with carbon fiber reinforced polymers (CFRP) materials. A total of five AASHTO type II bridge girders fabricated in the 1960’s were taken from an existing bridge, and tested at the Florida Department of Transportation FDOT structures lab in Tallahassee, …
-
Impact Resistance of Hybrid Metal-Organic Frameworks/Carbon Fibers Composites
<p>The increase in the use of carbon fiber-reinforced polymers (CFRPs) composites in the aerospace industry generated the need of improving the properties and capabilities of these composites by adding nano-reinforcements to the carbon fibers, also called hybrid fiber reinforced polymer composites. …
-
Feasibility Study Of Evaluating Durability Of Cfrp-strengthened Beams Using In-situ Load Test
… of highway bridges were retrofitted on their reinforced concrete (RC) girders with carbon-fiber reinforced polymers (CFRP) during the 1990's. Their conditions, after being in service for approximately 10 years, are of significant interest to the State's highway authority, as well as …
-
Predictive Modelling of CFRP-Steel Double Strap Joints
Carbon fiber reinforced polymers (CFRP), which can be used to strengthen and repair damaged steel structures, have gained popularity in recent years. On the one hand, CFRP has demonstrated substantial advantages over conventional reinforcing techniques like welding and bolting, such as light …
-
Reliability Analysis of Carbon Fiber Reinforced Polymer (CFRP) Strengthened Steel Beams
… the behavior of bonded joints between steel and carbon fiber reinforced polymers (CFRP) with an emphasis on understanding the role of the adhesive mechanical properties and the surface preparation techniques used to produce the joints. Reliability analysis of adhesively bonded CFRP-to-steel …
-
Cohesive Zone Modelling of Fiber–Matrix Interface in Composite Materials
<p>Carbon Fiber reinforced polymers (CFRPs) are widely used in aerospace, automotive, and structural applications due to their high specific strength, stiffness, and design flexibility. Their mechanical performance is critically governed by the fiber–matrix interface which controls stress transfer …
-
A structural health monitoring system for composite pressure vessels
… in high-pressure storage cylinders made of Carbon Fiber Reinforced Polymers (CFRP). This structural health monitoring system could lead to lighter, lower cost cylinders, and improved safety in automotive applications that utilize hydrogen and natural gas.Several Non-Deconstructive Evaluation …
-
Carbon Fiber Reinforced Lithium-Ion Battery Composites with Higher Mechanical Strength: Multifunctional Power Integration for Structural Applications
… study proposes and evaluates a multi-functional carbon fiber reinforced composite with embedded Lithium-ion battery for its structural integrity concept. The comparison of versatile composite structures manufactured conventionally, air-sprayed and electrospun multi walled carbon nano tubes in …
-
Effects of Surface Condition and Environmental Exposure on the Bond between CFRP and Steel
… existing structure. One alternative is utilizing carbon fiber reinforced polymers (CFRP). Many studies have documented the ability of CFRPs to enhance the strength of existing structures. Furthermore, CFRP offers the benefits of being non-corrosive and having a high strength-to-weight ratio. Most …
-
3D Deep Learning Segmentation for Fiber Break Analysis of Carbon Fiber Reinforced Polymer Tomograms
Carbon fiber reinforced polymers (CFRPs) find extensive use in modern aerospace structures due to their adaptability in stiffness and strength for specialized applications. However, their heterogeneous composition and the microscopic scale of fiber and matrix lead to complex damage mechanisms, as …
-
Flexural Behavior of CFRP-Pretensioned Girders
… and may result in catastrophic failures. Carbon fiber reinforced polymers (CFRP), as an emerging material, have potential to replace prestressing steel and provide corrosion-free prestressed bridge girders. The application of this novel CFRP material in bridges necessitates understanding …
-
Finite element-based failure analysis of composite laminates with non-destructive feature quantification.
Carbon fiber reinforced polymers (CFRP) have become a mainstream material in the manufacturing process of industries from almost every sector - automotive, aerospace, energy, medical, sports and entertainment. While they are often preferred because of their superior material properties over …
-
COOLING THEORY FOR THERMOPLASTIC MATERIALS USED IN SCREW EXTRUSION ADDITIVE MANUFACTURING
Large format 3D printing of thermoplastic polymers is a fast growing technology for industrial tools manufacturing and enables the production of meters long workpiece in a fraction of time, material and cost than conventional subtractive solutions. Due to the scale and timing imposed by the …
-
Experimental Investigation Of Fatigue Behavior Of Carbon Fiber Composites Using Fully-Reversed Four-Point Bending Test
<p>Carbon fiber reinforced polymers (CFRP) have become an increasingly notable material for use in structural engineering applications. Some of their advantages include high strength –to–weight ratio, high stiffness-to-weight ratio, and good moldability. Prediction of the fatigue life …
-
Post-Earthquake Damage Repair and Probabilistic Damage Control Approach for Reinforced Concrete Bridges
… to develop post-earthquake repair methods using carbon fiber reinforced polymers (CFRP) and probabilistic damage control approach (PDCA) for reinforced concrete (RC) bridges. To develop repair methods, first repair objectives were defined. To define repair objectives, internal earthquake damage …
-
Hybrid Carbon Fiber/ZnO Nanowires Polymeric Composite for Stuctural and Energy Harvesting Applications
Despite the many attractive features of carbon fiber reinforced polymers (FRPs) composites, they are prone to failure due to delamination. The ability to tailor the fiber/matrix interface FRPs is crucial to the development of composite materials with enhanced structural performance. In this …
-
The fatigue performance assessment of corrosion damaged RC beams, patch repaired and externally strengthened using CFRP
… investigation towards the fatigue performance of Carbon Fiber Reinforced Polymers (CFRP) which were externally bonded onto concrete beams as a repair and strengthening technique for internally corrosion damaged RC beams. It was identified that more research concerning the fatigue performance of …
-
Damage Control Measures in Composites: Focus on Damage Tolerance of Aerospace Structures
<p>Barely Visible Impact Damage (BVID) in composite materials presents a stealthy yet significant risk to structural integrity, particularly challenging due to its elusive nature. The approach adopted here diverges from traditional methodologies, focusing on the novel application of Digital Image …