Strong, Durable Adhesive Bonding: Some Aspects of Surface Preparation, Joint Design and Adhesive Selection
Abstract
Structural adhesive bonding offers a variety of advantages over mechanical fastening or welding as a method of construction. These advantages include a substantial weight saving, more uniform stress distribution over the joint area and sealing against moisture ingress. In order to realise those potential benefits particular attention must be paid to a number of factors, principally surface preparation of the materials to be joined, the design of the joint in relation to the type to the and level of stress to be encountered in service and the selection of the chemical class of the adhesive in relation to the environment in which it is to operate. This paper explores a number of topics, including the wetting of a solid substrate by a liquid adhesive, the stress distribution in a loaded single lap joint and the cure cycle employed for an epoxy-based adhesive, by way of illustration of the importance of these factors on initial joint strength and on joint durability
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1993
- Accession Number
- ADA283800
Entities
People
- C. E. Morris
Organizations
- Defence Science and Technology Group