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Airtech

Cetim Receives Fifth Consecutive Nadcap Accreditation

24 May 2016

Cetim has achieved accreditation from the National Aerospace and Defense Contractors Accreditation Program (Nadcap) for the fifth consecutive time, following a thorough audit performed by a US audit organisation at its Nantes facility.

According to Cetim, this consolidates its position as a key provider of services to aerospace manufacturers and their sub-contractors. The accreditation covers tests of composite materials (Non Metallic Materials Testing – NMMT: AC7122) and 19 mechanical, physical and chemical tests were assessed.

This renewed Nadcap accreditation is a major recognition in the aerospace sector and Cetim says it attests to the high quality of its mechanical, physical and chemical testing laboratory for composite materials. The prevalence of composite materials - which allow for lighter aircraft structures and airframes, thereby improving energy efficiency and reducing harmful emissions - has led to a growing demand for composite testing in the aircraft manufacturing industry.

This Nadcap accreditation complements that held by Cetim’s subsidiary Etim. As a result the Cetim Alliance is able to offer the aeronautics sector a comprehensive range of Nadcap accredited tests. It is also able to strengthen its position and enhance the growth of its business activity with its partners on behalf of the AIRBUS and SAFRAN group of companies, among others.

To meet customer demands, Cetim has aggregated its composite material testing resources on its Nantes site, which has treated over 10,000 in the last year. Cetim leverages on a team of 50 people to carry out the requested mechanical, physical, chemical and thermal tests.

The Nadcap accreditation covers the following mechanical tests (on non-metallic materials):

  • Tensile test at room temperature

  • Tensile test at non-ambient temperature

  • Tensile deformation measurement

  • Compression test at room temperature

  • Compression test at non-ambient temperature

  • Compression deformation measurement

  • Bending shearing on close supports at room temperature

  • Bending test at room temperature

  • Bending test at non-ambient temperature

The physical tests will relate to :

  • Density/specific gravity

  • Fibre/resin/porosity rate by acid ingestion

  • Fibre/resin/porosity rate by calcination

  • Moisture pick-up test

  • Volatile component rate characterisation

  • Surface density of the reinforcements

  • Surface density of the adhesive/prepreg films

Finally, the thermal analyses are focused on Thermo-Gravimetric analysis (TGA) and Differential Scanning Calorimetry (DSC), whilst the chemical tests will pertain to Fourrier transform infrared analysis.








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