By J.R. Weitzenböck (Eds.)
As a style of becoming a member of with monetary, performance-related and environmental merits over conventional welding in a few functions, adhesive bonding of joints within the marine surroundings is more and more becoming more popular. Adhesives in marine engineering offers a useful evaluation of the layout and use of adhesively-bonded joints during this tough environment.
After an advent to using adhesives in marine and offshore engineering, half one makes a speciality of adhesive answer layout and research. the method of choosing adhesives for marine environments is explored, by means of chapters discussing the categorical layout of adhesively-bonded joints for send functions and wind generators. Predicting the failure of bonded structural joints in marine engineering can also be thought of. half studies checking out the mechanical, thermal and chemical houses of adhesives for marine environments including the moisture resistance and sturdiness of adhesives for marine environments.
With its unusual editor and foreign workforce of professional individuals, Adhesives in marine engineering is a necessary advisor for all these fascinated about the layout, creation and upkeep of bonded buildings within the marine atmosphere, in addition to proving a key resource for educational researchers within the field.
- Provides a useful review of the layout and use of adhesively-bonded joints in marine environments
- Discusses using adhesives in marine and offshore engineering, adhesive resolution layout and research, and the layout of adhesively-bonded joints for send purposes and wine generators, between different topics
- Reviews trying out the mechanical, thermal and chemical houses of adhesives for marine environments, including the moisture resistance and sturdiness of those adhesives
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Extra resources for Adhesives in Marine Engineering
Lap-shear strength is measured before and after ageing to assess the ability of the adhesives to withstand adverse environments. The relevant test standards are: ASTM D 1002, DIN EN 1465, ISO 4587. Lap-shear test – strain to failure Flexible adhesives show creep when loaded. The aim of this test is to assess the ability of the adhesive to sustain strain. This test is a slightly modified standard lap-shear test where a constant displacement (strain) is applied. The details of the tests are documented in Det Norske Veritas (2011a).
In addition, wherever possible, the assumed mechanical properties of a particular adhesive should be based on practical tests within the environment and using the processes that will be utilised in production. 2 Production A full appreciation of potential restrictions during the production process should not only be qualified during the design stage, but should also be closely monitored during the construction phase, as incorrect selection of adhesive will mean it is impossible for the boat builder to create the designed joint.
Measurement of Tg Many room temperature curing (rigid) adhesives have a glass transition temperature (Tg) of around 50°C to 70°C. It is therefore important to establish the precise Tg in order to select a suitable temperature for accelerated ageing tests. g. polyurethanes) as their Tg is well below 0°C. The applicable test is the torsion-pendulum test according to ASTM E 1356 or ISO 6721. © Woodhead Publishing Limited, 2012 Adhesives for marine environments and pre-design 29 Measurement of pH value The measurement of the pH value of all adhesives is important since experience has shown that some adhesive can be quite acidic or alkaline under the long-term influence of water.
Adhesives in Marine Engineering by J.R. Weitzenböck (Eds.)