Deforming and reforming (AQA GCSE Design and Technology): Quizzes
📚Quizzes
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12 questions from this quiz
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12 questions from this quiz
What are the two main methods for deforming and reforming timber-based materials?
What are the two main methods for deforming and reforming timber-based materials?
Laminating and steam bending
What does laminating involve?
What does laminating involve?
Joining thin timber layers with adhesive
How does the thickness of laminates affect the curves you can achieve?
How does the thickness of laminates affect the curves you can achieve?
Thinner laminates allow tighter curves
What is short grain in timber?
What is short grain in timber?
Grain perpendicular to stress direction
Why is a barrier sheet used in laminating?
Why is a barrier sheet used in laminating?
Prevents laminates sticking to former
What is the most suitable adhesive for laminating timber?
What is the most suitable adhesive for laminating timber?
PVA (Polyvinyl Acetate)
How does steam bending make timber flexible?
How does steam bending make timber flexible?
Steam breaks down lignin in wood fibres
Which hardwoods work best for steam bending?
Which hardwoods work best for steam bending?
Ash, elm, hickory, and oak
How long should timber steam per 25mm of thickness?
How long should timber steam per 25mm of thickness?
Around one hour
Why is steam-bent timber stronger than the same curve cut from solid wood?
Why is steam-bent timber stronger than the same curve cut from solid wood?
The grain follows the curve
What advantage does laminating have over steam bending?
What advantage does laminating have over steam bending?
Can handle more complex curves
What are common applications for steam-bent timber?
What are common applications for steam-bent timber?
Walking stick hooks and chair backs