1.1 detail the appropriate properties and criteria

1.1 detail the appropriate properties and criteria for the selection of a metallic, ceramic, polymer and composite material

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Learning outcomes

On successful completion of this unit a learner will:

Assessment criteria for pass

The learner can:

LO1 Be able to determine the properties and selection criteria of materials from tests and data sources

1.1 detail the appropriate properties and criteria for the selection of a metallic, ceramic, polymer and composite material

1.2 explain the particular characteristics related to the microstructure and macroscopic behaviour of the four categories of engineering materials

1.3 generate and process test data to assess material properties for two categories of material

1.4 investigate and assess the quality of suitable data from three different sources

LO2 Understand the relationships between manufacturing processes and material behaviour

2.1 explain how one heat treatment process and two other treatment processes affect the structure, properties and behaviour of the parent material

2.2 explain how one liquid processing method and two mechanical processing methods affect the structure, properties and behaviour of the parent material

2.3 investigate how the composition and structure of metalalloys, polymers and polymer matrix composites influence the properties of the parent material

LO3 Be able to select suitable materials and processing methods for a specific product

3.1 analyse the function/s of a product in terms of the materials’ constraints on its design

3.2 identify the required properties for the product and select the most appropriate materials and processing methods

3.3 identify and explain the possible limitations on the product imposed by the processing and by the need to safeguard the environment and minimise costs

LO4 Understand the in-service causes of failure of engineering materials

4.1 explain the common causes of in-service failure for products or structures produced from each or a combination of the four categories of engineering materials

4.2 for one product or material structure, identify and explain the in-service conditions that may contribute to early failure

4.3 explain the methods for investigating materials failure and for estimating product service life, when a product is subject to creep and fatigue loading

4.4 determine and make recommendations for remedial/preventive measures for a given product or materials structure, that will help improve its service life.