Name of the Exercise | Cracks in welded joints |
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Number of participants | 10-12 |
Duration | 60 minutes |
Learning objective | Be aware the factors that might cause cracks |
How to conduct | Preparation: collecting photos and materials In the class: 1. show the most frequent types of cracks with examples 2. – Ask the learners to find out the reasons for the cracks. 3. Introduce the two types according to the temperature: A) Cold crack B) Warm crack 4. Ask them to find the reasons for the cracks. |
remarks | More detailed instructons are in the presentation Download the presentation here |