| Knowledge of Resistant Materials Construction
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| Resistant Materials refer to a group of materials that are grouped together because they show certain common characteristics. These characteristics include: tensile strength, compressive resistance, hardness, malleability, ductility, elasticity, grain. Such materials are broadly categorised as wood, metal, ceramics, plastics, glass and their composites. Particular resistant materials exhibit characteristics to a greater or lesser extent. Resistant materials are often sub categorised. For example hardwood and softwood; thermosetting and thermoplastics, alloys and pure metals. Resistant materials require particular basic techniques to be used to enable materials to be measured, cut, shaped, joined and finished when making products. Advanced and complex techniques are required to craft special features of a high standard in a product and rely on the consistent application of accepted conventions to achieve a desired effect. Special features can be structural and/or aesthetic and include such things as: inlays, special fit (eg, interference, push fit), matching turned components, internal screw cutting on a lathe, compound machining, glass fusing. Knowledge within this component includes understanding how resistant materials are characterised, and understanding techniques used to work them. Understanding of techniques would include: how it is done in a safe and effective manner, the impact of the technique on materials involved, and when the technique would be suitable to use. Initially students learn about resistant materials per se, the basic techniques commonly used to work them, and the relationship between these. Students progress to learning about advanced techniques and conventions required for highly crafted special features and the complex concepts and processes involved in resistant materials evaluation and development.
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| Level 6
| Level 7
| Level 8
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| Demonstrate understanding of basic techniques used to make resistant materials products
| Demonstrate understanding of advanced techniques used to make resistant materials products
| Understand the concepts and processes employed in materials development and evaluation and the implications of these for design, development, maintenance, and disposal of technological products.
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| To support students to develop understandings about the basic techniques used to make resistant material products at level 6, teachers could:
- Provide opportunity for students to categorise a range of materials and identify those that display characteristics associated with the broad categories: resistant materials and textiles. Including materials that exist at the boundaries of the category eg, Vinyl, leather.
- Provide opportunity for students to explore a range of products made from resistant materials in order to discuss the materials used, their characteristics and the techniques that would be appropriate to work them safely.
- Guide students to explore how and why resistant materials and techniques are combined differently for particular situations.
- Provide students with the opportunity to understand how basic techniques are undertaken in safe and effective manner, and the impact of these techniques on different materials. Examples of basic techniques include: marking and layout; sawing, filing machining, folding, sanding, planning; gluing, welding, soldering, fastening, jointing; painting, staining, bluing, polishing, machine finishing.
| To support students to develop understandings about the advanced techniques used to make products from resistant or any other material type at level 7, teachers could:
- Provide opportunity for students to explore accepted conventions used when constructing products using resistant or any other material type, and discuss how these conventions guide construction in similar and diverse contexts. Examples of accepted conventions include: drape, flush, parallel, perpendicular, offset, symmetry, array, tolerance, ease, press fit, clearances, taper, level, plumb.
- Guide students to explore similarities and differences between safe practice in classroom and in industrial environments.
| To support students to develop understanding of technological products at level 8, teachers could:
- Support students to understand that resistant material evaluation enables decisions to be made about what material would be optimal to ensure the fitness for purpose when taking into account both the technical feasibility and social acceptability of a resistant material product.
- Support students to critically analyse a range of subjective and objective evaluative procedures used to justify resistant material suitability and to explain the underpinning concepts and processes involved in these procedures.
- Support students to understand why the selection of appropriate resistant material evaluation procedures relies on understanding the composition and structure of materials, how their properties can be enhanced through manipulation or transformation, the performance criteria required by technological products and an understanding of the physical and social context within which a resistant material product will be situated.
- Support students to understand that the development of new resistant materials relies on understanding: existing materials including their advantages and limitations; new material composition and structure possibilities; formulation procedures; future requirements, needs and desires; and an awareness that new evaluative procedures may need to be developed to determine the suitability of new materials.
- Support students to identify and analyse examples where new resistant materials have been developed, including past and contemporary examples, to gain insight into how material formulation and subsequent evaluation procedures are used to address performance, maintenance and disposal implications and inform design and development decisions. Examples should include resistant material development (including formulation procedures) and evaluation practices of technologists.
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| Students can:
- explain how the characteristics of resistant materials influence the selection of safe techniques
- discuss why resistant materials require particular techniques for their safe handling and use
- discuss why techniques and resistant materials are combined in different ways across two or more situations.
| Students can:
- discuss how accepted conventions guide constructing in materials in similar contexts
- explain the differences between safe practice in classroom and industrial environments
- discuss how accepted conventions guide constructing with materials in diverse contexts.
| Students can:
- discuss examples of the formulation of new resistant materials and explain the underpinning concepts and processes involved in their development
- discuss examples of evaluation procedures undertaken to determine the suitability of new resistant materials and explain the underpinning concepts and processes involved in particular evaluations
- discuss examples of past resistant material developments and explain how these impacted on product design, development, manufacturing, maintenance and disposal
- discuss examples of contemporary resistant material developments and suggest probable implications for future technological product design, development, manufacturing, maintenance and disposal.
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AS91059 Construction and Mechanical Technologies 1.22Demonstrate understanding of basic concepts used to make products from resistant materials
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AS91347 Construction and Mechanical Technologies 2.22 Demonstrate understanding of advanced concepts used to make products
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Generic Technology 3.6Demonstrate understanding of material development
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