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 13 of 13 for “"fibre composite"”.
-
The electrical peformance of carbon fibre composite joints
The proposed use of Carbon Fibre Composite material in future aircraft projects has led to the initiation of many research programmes internationally. Much of the work is concentrated around the electrical performance and properties the material. Investigations have shown that Carbon Fibre …
-
Axial, flexural and torsional rigidities of two-dimensional braided fibre composite medical catheters
… nu f23, Gfl2, G23). Oversized braided (Kevlar 49 fibre and thermoset matrix) engineering model composite structures---or model catheters---have been used to verify the model. These model catheters have been produced on an existing braiding machine. Kevlar 49 fibre and epoxy resin have been used …
-
Quantitative non-destructive evaluation using laser generated ultrasonic pulses
… test piece, plasma sprayed steel bars and carbon fibre composite samples are presented. Resolution of defects is shown to be within 0.5mm for a 1mm thick section of the composite material. A second scanning technique, requiring access to only one sample face, is presented which employs an …
-
The electrical and mechanical properties of structural adhesives
The developing use of carbon fibre composite(CFC) material in aerospace applications, due to its high specific strength and stiffness has brought an urgent need to revise engineering techniques that are based predominantly on metals. High performance structural adhesives are used to bond CFC panels …
-
Development of CFRP Class A body panels and structural components for automotive applications
… test coupons of unidirectional carbon fibre composite were optimised to produce repeatable and reproducible data to support automotive structural applications. The compressive strength was determined through ASTM D 695 M testing, and the results were correlated with test variations …
-
Performance analysis of a reduced cost manufacturing process for composite aircraft secondary structure
… method for increasing fuel<br/>efficiency. Fibre reinforced polymer (FRP) composites are known to offer weight savings over<br/>traditional metallic components, due to their excellent stiffness and strength to weight ratios.<br/>However, the major limiting factor for the use of aerospace …
-
Effective and Efficient Non-Destructive Testing of Large and Complex Shaped Aircraft Structures
… ditThsion bonded titanium (SPFDB) and carbon fibre composite structure has been demonstrated but has also been supported by quantitative measurement of the imaging systems capabilities. 7. A method of integrating all the modules of the shearography system that provides significant improvement …
-
Harakeke fibre as reinforcement in epoxy matrix composites and its hybridisation with hemp fibre
… and motivation in research to develop natural fibre composites to replace glass fibre composites in certain applications. Harakeke fibre known as New Zealand flax or Phormium tenax used to be an important export material in New Zealand in the early twentieth century, but its production reduced …
-
Mechanical behaviour and fracture toughness of unfilled and short fibre filled polypropylene both drawn and undrawn. Experimental investigation the effect of fibre content and draw ratio on the mechanical properties of unfilled and short glass fibre filled polypropylene
… is to investigate the combined effects of glass fibre reinforcement and molecular orientation in polypropylene-short glass fibre composites. Specimens have been fabricated using the injection moulding process and drawn using a small die drawing rig. The effects of die drawing on the fibre …
-
Metallfasern als schallabsorbierende Strukturen und als leitfähige Komponenten in Verbundwerkstoffen
Es werden metallische Kurzfasern, die durch ein Schnellerstarrungsverfahren direkt aus der Schmelze hergestellt werden, bezüglich ihrer Verwendung als hochporöser Absorber und als elektrisch leitfähige Strukturen in Verbundwerkstoffen vorgestellt. Auf der Basis einer schalldämpfenden hochporösen …
-
Improving the performance of polypropylene matrix composite materials using engineered hemp fibre mats
… found within the spectrum of natural fibre composites, has led to increased interest in improving these sustainable materials. Although the use of natural fibre composite materials has been documented in early civilisations, growing environmental concerns coupled with technological …