A Level Technology and Design CCEA
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57 topics in 8 modules
☑️ Design and Materials 10 topics
- Material Selection
- Wood
- Metal
- Plastic
- Modern Composite and Emerging Technologies
- Methods of Processing Materials
- Product Analysis and Improvement
- Design and Communication
- Design and Manufacture
- Quality and Safety
☑️ Electronic and Microelectronic Control Systems 7 topics
- Systems and Control
- Safety
- Electronic Components
- Calculations
- Combining Components as Input Devices
- Output Devices
- Electronic Systems
☑️ Mechanical and Pneumatic Control Systems 6 topics
- Systems and Control
- Safety
- Calculations
- Pneumatic and Mechanical Components
- Combining Pneumatic and Mechanical Components
- Integrated Application of Mechanical and Pneumatic Control Systems
☑️ Product Design 8 topics
- Designing
- Compliant, Composite and Smarty Materials
- Design and Communication
- Methods of processing materials
- Quality and Safety
- Manufacturing Production and Quality Systems
- Influences on Product Design
- Intellectual Property Rights
☑️ A2 Electronic and Microelectronic Control Systems 7 topics
- Systems and Control
- Safety
- Input Components
- Calculations
- PICs
- Output Devices
- Electronic Systems
☑️ A2 Mechanical and Pneumatic Control Systems 6 topics
- Systems and Control
- Safety
- Calculations
- Pneumatic Components and Systems
- Mechanical Components and Systems
- Integrated Application of Mechanical and Pneumatic Control Systems
☑️ A2 Product Design 9 topics
- Environmental Issues
- Product Life Cycle
- Advances in Technology and ICT in Manufacture
- From mind to market
- Quality Control and Assurance
- Design for Use
- Design for Manufacture
- Design and Communication
- Technological Developments in Society
☑️ Product Development: Coursework 4 topics
- Investigation and Analysis of Product
- Redesign Solutions and Development
- Making
- Testing and Evaluation
A Level Technology and Design CCEA Revision Content
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A Level Technology and Design CCEA - Design and Materials - Material Selection Content Preview
Design and Materials
Material Selection
Material Selection
Understanding material selection is key to producing efficient and practical design solutions. It's pivotal to know the properties, uses and environmental impacts of various materials.
Material Properties
- Intrinsic properties: Materials differ based on their physical properties such as hardness, elasticity, and tensile strength.
- Aesthetic properties: The appearance of materials, such as texture, colour, and shine can significantly influence the design.
- Behavioural properties: The reaction of materials when subjected to external load, temperature changes, and exposure to environmental conditions are crucial factors.
Choosing the Right Material
- Functionality: Consider how the design will be used and choose materials that are capable of performing well under expected conditions.
- Durability: If the design is meant to last for a long time, robust and resilient materials are better choices.
- Safety: Certain projects require materials that are non-toxic, non-flammable, or resistant to damage.
- Cost: Sometimes, the budget may dictate the choice of materials. Cheaper materials may be preferred, but it's important to consider the long-term costs, including maintenance and replacement.
Working With Different Materials
- Wood: Easy to work with, good aesthetic appeal and excellent for structural uses but consideration of moisture content and potential of splitting if not treated correctly is critical.
- Metals: Durable, strong and excellent for load-bearing structures and machinery - but they tend to be heavy and may corrode.
- Plastics: Lightweight, strong, and available in many varieties. But exposure to heat and UV light can cause degradation.
- Composites: Offer the benefits of multiple materials but may require specialized handling and production techniques.
Environmental Consideration in Material Selection
- Biodegradability: Consider whether materials will degrade naturally over time or if they will contribute to waste.
- Recycling Potential: Some materials can be recycled or upcycled, reducing waste and extending their useful lives.
- Sustainability: Sustainable materials are those that have minimal impact on the environment during their production, use, and disposal.
- Energy Efficiency: Some materials require more energy to produce and use than others, impacting their environmental footprint.
Question: Define the term ‘intrinsic property’ in the context of material selection.
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