Learning objective
Students should be able to understand and explain that non-woven fabrics are produced directly from fibres and have knowledge of typical end uses of non-woven fabrics. 16 Visit aqa.org.uk/7562 for the most up-to-date specification, resources, support and administration Smart materials.
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Performance characteristics of materials
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Performance characteristics of materials
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Quick explanation
Students should be able to understand and explain that non-woven fabrics are produced directly from fibres and have knowledge of typical end uses of non-woven fabrics. 16 Visit aqa.org.uk/7562 for the most up-to-date specification, resources, support and administration Smart materials
- This point belongs to Performance characteristics of materials, especially Performance characteristics of materials.
- You need to be able to students should be able to understand and explain that non-woven fabrics are produced directly from fibres and have knowledge of typical end uses of non-woven fabrics. 16 Visit aqa.org.uk/7562 for the most up-to-date specification, resources, support and administration Smart materials.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Why it matters
This objective helps connect Performance characteristics of materials to exam-style questions, flashcards, and revision notes for Performance characteristics of materials.
Quick student answer
Which of the following is a characteristic of non-woven fabrics?
Direct answer
Non-woven fabrics are created by bonding or felting fibres together, which allows for a variety of applications.
Key terms
- Bonding: The process of joining fibres together to create non-woven fabrics, often using heat, pressure, or adhesives.
- Felting: A method of fabric production where fibres are matted together, typically using moisture, heat, and agitation.
Common trap
Confusing non-woven with woven fabrics: Clarify that non-woven fabrics are produced directly from fibres without weaving.
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Related learning objectives
- Performance characteristics of fibres.
Performance characteristics of materials
- Students should be able to name different types of fibres.
Performance characteristics of materials
- Students should be able to describe the performance characteristics of fibres, including: • absorbency • strength • elasticity • flammability • thermal qualities • lustre • handle.
Performance characteristics of materials
- Students should be able to explain the different fibres and their specific performance characteristics, including: • plant/cellulose fibres: very absorbent, little elasticity, good strength, poor insulators • animal/protein fibres: very absorbent, thermally insulating • regenerated fibres: poor strength, soft, highly absorbent, crease badly • new generation lyocells: with improved performance characteristics • synthetic fibres: very good strength, totally non-absorbent, smooth, lightweight, do not crease, can be heat set (thermoplastic).
Performance characteristics of materials
- Students should be able to explain the shape and formation of fibres. They should understand and be able to discuss the different cross- sectional and linear formation of fibres that can occur in natural form, and those that can be engineered during synthetic and manmade fibre production. Understand how the physical shape and formation of fibres affect their performance. 12 Visit aqa.org.uk/7562 for the most up-to-date specification, resources, support and administration Fibre production.
Performance characteristics of materials