What is Inspection of Composites?

It is the application of sound waves into composite materials which may include audible to ultrasonic frequency.

What are the responsibilities of a individual who carries out Inspection of Composites?

An individual who carries out the Inspection of Composites has to demonstrate competence to set up the equipment and interpret and report the results. In accordance with written instructions, procedures and specifications  Personnel may be authorised by the employer to perform the following in accordance with instructions:

  • Set up relevant equipment;
  • Perform the Inspection process;
  • Record and classify the results of the tests according to written criteria;
  • Report the results



Inspection of Composites training at Lavender International covers the following:

    • Definition of composite
    • Composite terminology
    • Lay up
    • Matrix
    • Reinforcement
    • Isotropic
    • Anisotropic
    • Homogeneous
    • Hetrogeneous
    • Matrix properties
    • Reinforcement properties
    • Reinforcement types
    • Laminate properties
    • Inspection
    • Defects
    • Sandwich defects
    • Impact damage
    • Bvid


    • Homogeneous v hetrogeneous
    • Defects
    • Reference standard (same as component)
    • Bonded materials
    • Acceptance criteria
    • Ring down
    • Phase change low to high impedance/high to low impedance
    • Laminate structures
    • Sandwich structures
    • Finger damping
    • Near surface/mid wall/back wall laminations
    • Scanning speed/increment
    • 6db sizing
    • Attenuation
    • Through transmission
    • Pulse echo
    • Dryscan
    • Reflector plate
    • Roller probe rapid scan (linear array)
    • A scan
    • B scan
    • C scan
    • Coin tap testing
    • Hammer tap testing
    • Woodpecker

Lavender International can provide Inspection of Composites Examinations to employer based requirements – i.e. Comply with a written practice based on SNT-TC-1A, NAS410, EN4179 or other employer programmes.

This 40 hour course follows the basic syllabus and also incorporates the specific employer requirements. An examination can be arranged as required by the employer written procedure.

For those candidates without basic UT knowledge there is the UT40 programme which can be taken.

However, an additional 40 hour non examination course is available which will include basic Ultrasonics.

PCN are currently looking at Level 1 and Level 2 certifications for the inspection of Composites.

Work Experience for Inspection of Composites is specific to the company written practice.

No experience is required for the non examination candidates.

Inspection of Composites courses are taking place at Lavender international in the UK.

See the table below for the most current dates:

UK – Penistone

Overalls/Lab Coat
Safety Boots

All other equipment and training materials are provided by Lavender International.
Protective gloves, protective eye glasses and plastic aprons are also available for the use of students.

Lavender Newsletter

To receive information about Lavender, please leave your details below: