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Unit of competency details

MEA350A - Select and test aeronautical engineering materials (Release 2)

Summary

Usage recommendation:
Superseded
Mapping:
MappingNotesDate
Is superseded by and equivalent to MEA707 - Select and test aeronautical engineering materials 11/Feb/2015

Release Status:
Current
Releases:
ReleaseRelease date
2 (this release) 23/Jan/2012
(View details for release 1) 15/Nov/2010

Training packages that include this unit

Qualifications that include this unit

CodeTitleSort Table listing Qualifications that include this unit by the Title columnRelease
MEM60112 - Advanced Diploma of EngineeringAdvanced Diploma of Engineering 1-2 
MEM60111 - Advanced Diploma of EngineeringAdvanced Diploma of Engineering 1-4 
MEM50212 - Diploma of Engineering - TechnicalDiploma of Engineering - Technical 1-4 
MEM50211 - Diploma of Engineering - TechnicalDiploma of Engineering - Technical 1-3 
MEA60311 - Advanced Diploma of Aviation Non-Destructive TestingAdvanced Diploma of Aviation Non-Destructive Testing 1-2 
MEA60211 - Advanced Diploma of Aviation Maintenance Management (Mechanical)Advanced Diploma of Aviation Maintenance Management (Mechanical) 1-2 
MEA60210 - Advanced Diploma of Aviation Maintenance Management (Mechanical)Advanced Diploma of Aviation Maintenance Management (Mechanical) 
MEA50411 - Diploma of Aviation Maintenance Management (Mechanical)Diploma of Aviation Maintenance Management (Mechanical) 1-2 
MEA50410 - Diploma of Aviation Maintenance Management (Mechanical)Diploma of Aviation Maintenance Management (Mechanical) 
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Classifications

SchemeCodeClassification value
ASCED Module/Unit of Competency Field of Education Identifier 031503 Aircraft Maintenance Engineering  

Classification history

SchemeCodeClassification valueStart dateEnd date
ASCED Module/Unit of Competency Field of Education Identifier 031503 Aircraft Maintenance Engineering  25/Jul/2008 
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Modification History

Minor formatting and editorial changes made.

Unit Descriptor

This unit of competency covers selecting appropriate materials and materials and components tests for aeronautical engineering applications.

Application of the Unit

Applications of this unit include selecting engineering materials and materials tests, sourcing materials data; ensuring appropriate performance and physical standards for aeronautical applications; documenting materials tests, ensured calibration standards; interpreting and documenting materials data sheets as appropriate for mass production, batch production, jobbing shop, and prototyping applications.

Activities may be performed as a member of a design and development or engineering support team.

Licensing/Regulatory Information

Not applicable.

Pre-Requisites

Not applicable

Employability Skills Information

This unit contains employability skills.

Elements and Performance Criteria Pre-Content

Elements describe the essential outcomes of a unit of competency.

Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the required skills and knowledge section and the range statement. Assessment of performance is to be consistent with the evidence guide.

Elements and Performance Criteria

1. Identify classes of materials, based on properties and materials tests relevant to aeronautical engineering

1.1. Classes of materials  are identified, based on properties , required for particular aeronautical engineering  applications

1.2. Relate material properties are related to common production and construction methods and processes

1.3. Common characteristics, faults or flaws in materials and components or product are identified in particular engineering applications

1.4. Test methods for materials and components or product are identified in particular engineering applications

1.5. Specific industrial test standards/codes, calibration requirements, regulations and authorities related to selection of materials and products are identified for particular engineering applications

1.6. The role of Australia's national measurement system  is investigated

2. Identify and use sources of information on engineering materials, materials tests and test equipment, including manufacturers' catalogues and websites

2.1. Appropriate sources of information  on materials are identified and used

2.2. Appropriate sources of information on methods of testing of properties of materials are identified and used to ensure suitability for a particular application

2.3. Appropriate sources of information on materials, materials tests, test calibration, test certificates, regulations, standards, standards councils /societies /authorities /regulatory bodies  are identified and used

2.4.The use of standards and codes are investigated and reported on

2.5. Appropriate sources of information on MSDS are identified and used

3. Specify and implement materials for particular aeronautical engineering applications.

3.1. Materials for particular applications are specified and implemented

4. Specify and implement methods used to test or obtain the properties of engineering materials

4.1. Tests of materials  are specified and implemented to ensure quality, safety or suitability for a range of applications

4.2.Traceability  of measurement standard is ensured

4.3. Test sheets/certificates for appropriate materials are obtained for applications in accordance with organisational procedures and/or codes and regulations

4.4. Appropriate MSDS are obtained for applications in accordance with organisational procedures and/or codes and regulations

5. Report on and record materials design data and methods and results of materials tests

5.1. Materials selections are reported and recorded against design functional requirements in accordance with organisational procedures, codes and regulations, including environmental impact and sustainability assessment.

5.2. Materials tests and test sheets/certificates are reported and recorded in accordance with organisational procedures, codes and regulations

5.3.Appropriate calibration and traceability are ensured

5.4. Appropriate MSDS are reported and recorded for applications in accordance with organisational procedures, codes and regulations

Required Skills and Knowledge

Required skills 

Look for evidence that confirms skills in:

  • selecting class of materials for an application based on comparison of properties for a significant range of materials classes
  • selecting class of materials for an application suitable to production and construction methods and processes
  • identifying, overcoming or compensating for common characteristics, faults or flaws in materials or product
  • identifying test methods for materials and components, specific industrial test standards and regulations for particular engineering applications
  • identifying test methods for faults or flaws in materials and components or product
  • selecting materials following an extensive search of appropriate sources of information, including manufacturer's catalogues and websites
  • selecting appropriate tests from a range of possible tests, following an extensive search of appropriate sources of information, including manufacturer's catalogues and websites
  • satisfying applicable standards and regulations for materials and components
  • sourcing materials test certificates and using the material properties information from them
  • sourcing and implementing MSDS
  • implementing tests correctly for materials and component faults and properties of materials
  • selecting testing methods appropriate to applications
  • obtaining appropriate test sheets/certificates for applications
  • obtaining appropriate MSDS for application
  • completing reports, records and design documentation
  • addressing environmental impact and sustainability issues
  • reporting, recording and filing test reports and documentation
  • implementing materials tests and test sheets/certificates, test calibration and traceability

Required knowledge 

Look for evidence that confirms knowledge of:

  • properties of materials classes
  • the effect of material properties on production and construction methods and processes
  • the effect of characteristics, faults or flaws in materials on product and processes
  • test methods for materials and components, specific industrial test standards, regulations and authorities related to particular engineering applications
  • test methods for faults or flaws in materials and components or product
  • methods of accessing and using alternative information sources
  • test procedures and typical applications for tests
  • sources and uses of information on materials, materials tests, test certificates, regulations, standards, regulatory bodies and industrial authorities
  • methods of accessing MSDS
  • identification of materials for an application based on comparison of properties of materials
  • identification of test for an application based on an understanding of its ability to measure specific material or product properties
  • significance of test sheets/certificates to applications
  • the need for obtaining and filing test sheets/certificates
  • significance of MSDSs and relevance of procedures
  • materials selections in relation to design functional requirements
  • environmental impact and sustainability assessment
  • significance of test reports and documentation to applications
  • significance of reporting and recording procedures
  • significance of materials tests and test sheets/certificates, test calibration and traceability
  • significance of MSDS to applications
  • significance of reporting and recording procedures

Evidence Guide

The Evidence Guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.

Overview of assessment 

A person who demonstrates competency in this unit must be able to select and test aeronautical engineering materials.

Critical aspects for assessment and evidence required to demonstrate competency in this unit 

Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria, including required knowledge, and be capable of applying the competency in new and different situations and contexts.

Assessors should gather a range of evidence that is valid, sufficient, current and authentic. Evidence can be gathered through a variety of ways including direct observation, supervisor's reports, project work, samples and questioning. Questioning techniques should not require language, literacy and numeracy skills beyond those required in this unit of competency. The candidate must have access to all tools, equipment, materials and documentation required. The candidate must be permitted to refer to any relevant workplace procedures, product and manufacturing specifications, codes, standards, manuals and reference materials.

Context of and specific resources for assessment 

This unit may be assessed on the job, off the job or a combination of both on and off the job. Where assessment occurs off the job, that is, the candidate is not in productive work, then an appropriate simulation must be used where the range of conditions reflects realistic workplace situations. The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team. The assessment environment should not disadvantage the candidate.

Method of assessment 

This unit could be assessed in conjunction with any other units addressing the safety, quality, communication, materials handling, recording and reporting associated with selecting and testing aeronautical engineering materials or other units requiring the exercise of the skills and knowledge covered by this unit.

Guidance information for assessment 

Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Classes of materials, based on properties 

Classes of materials include:

  • non-ferrous metals and alloys (copper, aluminium, zinc, lead, tin and their alloys), ferrous metals (carbon steels, alloy steels and cast irons), non-metallic composite materials, bearing materials, lubricants, non-metals (timber, ceramics, polymers and fabrics, adhesives and electrical insulation materials), thermal conductors and insulators, electrical conductors, semiconductors and insulators

Properties of materials include:

  • strength, elasticity, plasticity, malleability, toughness, brittleness, fatigue endurance, mouldability, weldability, machinability, formability, resistance to creep and stress relaxation, resistance to degradation (e.g. use of plastic fillers to enhance UV resistance), adhesion, electrical, magnetic, thermal, chemical and optical, material structure and effect on properties, and flammability of fabrics

Other factors include:

  • corrosion and corrosion protection methods.
  • aging of metals
  • the effect of manufacturing and construction processes on material properties.
  • the effect of property enhancement on design (e.g. adhesives plus sintering replacing some forging and machining of gears on shafts)
  • lay-up methods for composite structures.

Cost includes:

  • manufacture of material and source of material,typical applications and possibilities

Aeronautical engineering 

Aeronautical engineering refers to:

  • the engineering discipline concerned with the conceptual development, research, design, manufacture, implementation, installation, commissioning and maintenance of aerospace mechanical, hydraulic, pneumatic, fuel and fire products, processes, systems or services for civil and military applications

Australia's national measurement system 

Australia's national measurement systems includes:

  • National Standards Commission (legal metrology)
  • Commonwealth Scientific and Research Organisation (physical standards)
  • National Association of Testing Authorities, Aust. (Laboratory accreditation)
  • Standards Australia International Ltd (AS standards specifications)

Standards councils/ societies/ authorities/regulatory bodies 

Standards councils/societies/authorities/regulatory bodies include:

  • Australian Standards Council
  • ASTM
  • MIL Spec
  • ASME
  • ISO

Regulatory bodies include:

  • CASA
  • ADF
  • United States Federal Aviation Authority,
  • European Joint Aviation Authority

Standards and codes 

Standards and codes include:

  • NDT and mechanical test standards
  • chemical test standards
  • electrical test standards
  • compliance test standards for components

Tests of materials 

Tests of materials include:

  • destructive, including tensile, compression, impact, hardness, fatigue, corrosion, stress relaxation and creep, and peel resistance (adhesives)
  • mon-destructive, including hardness, ultrasonics, X-ray, dye penetrant, eddy current, surface friction, conductivity, heat expansion, photoelastic, heat capacity refractive index, magnetic hysteresis loop

Traceability 

Traceability ensures test calibrations can be traced back to the relevant base unit in the relevant measurement system

Unit Sector(s)

Engineering science

Competency field

Co-requisite units

Not applicable