Development of lightweight support structures for the ATLAS detector at the large hadron collider / vorgelegt von Mukundan Srinivasan aus Chennai, Indien. Wuppertal, [2016]
Content
List of Abbreviations
Introduction
Introduction to the Specifications, Aims and Objectives of the Thesis
An Overview of the Parameters of the Stave
Thermal Figure of Merit
Radiation Length
Quasi-Static Load Conditions
Eigenvalue Analysis
Research Motivation
Problem Statement
Aims and Objectives
Contents of this Thesis
Theory and the State of Art using Composite Materials
Thermal, Elastic and Failure Behaviour of the Diamond Powder Filled Woven Composites
Thermal Behaviour
Micromechanical modelling
Experimental methods
Dispersion of Diamond Powder on the Dry Fabric
Matrix Modification Technique
Thermal conductivity measurements
Results and Discussion
Summary
Elastic and Failure Behaviour
Homogenisation of Heterogeneous Matrix Microstructure
Prediction of Elastic Properties of Diamond Powder Filled Woven Composites
Failure Behaviour under Tensile and Bending
Results and Discussion
Summary
Design and Development of Novel Local Support Structure
Introduction to New Designs
Fishbone Stave
Iso-Graphite Stave
Stiffener Stave
An Overview of Preferred Stave Designs
Development of Prototypes
Development of the Double Iso-Graphite Stave for the Innermost Detector Layers
Conclusions
Out of plane thermal conductivity (K)
The elastic and failure behaviour of diamond powder filled composites
Development of new stave designs
Outlook
Bibliography
Appendix A