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Characterization of materials in fatigue

Area of expertise
Vibrophore de grande capacité 550 kN sollicitant vos éprouvettes (maximum : 850mm) à des fréquences jusqu’à 150 Hz permettant de réduire la durée globale des essais.

550 kN-capacity resonance testing machine subjects your test specimens (maximum: 850mm) to loads at frequency of up to 150 Hz thereby serving to reduce the...


YOUR EXPECTATIONS

“To validate a part’s fatigue strength, the material must firstly be characterised on test specimens. The objective is to:

  • Identify the behaviour laws of the material,
  • Assess the endurance limit and plot the S/N curve,
  • Compare the fatigue response of the various manufacturing processes,
  • Assess the potential drifts of your processes during the “series life”,
  • Carry out fracture mechanics testing (K1C, da/dN, J1C, etc.)”
OUR SOLUTIONS

Comprehensive support services from the determination of the tests through to the interpretation of the results (behaviour laws for materials & test/calculation correlations)

 Cetim has developed a distinctive approach tailored to the needs of manufacturers allowing you to:

  • Optimise the service time through a specific experimental design and a test matrix that includes just the required tests offered by our experts,
  • Characterise your materials at elevated temperatures (high-temperature cryogenics) and in harsh environments.
  • Correlate the test data to the calculation data using contactless methods (e.g.: correlation of digital images) and/or instrumentation.
  • Develop specific test methodologies, such as composite materials,
  • To train you on material fatigue phenomena with a complete training offer on Cetim Academy ®.
YOUR BENEFITS
  • A tried and tested, personalised methodology that applies to a broad range of materials (metallic and non-metallic) and processes (forming & joining, etc.),
  • A unique fleet of machines allowing providing assistance for sizeable projects (significant volume of tests),Cetim has recently invested in a high capacity 550 kN vibrophore which can stress your specimens (maximum: 850mm) at frequencies up to 150 Hz, thus reducing the overall duration of tests
  • Sector-based expertise and cutting-edge equipment for multi-physical tests under high loads.
  • Tests covered by Cofrac accreditation (accreditation COFRAC No. 1-1014 - Scope available on www.cofrac.fr),
  • Advice from an independent specialist to help you determine the best possible testing campaign to enhance the reliability of your products.

Our references

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Choix et caractérisation des matériaux

Les matériaux sont un enjeu primordial dans la conception de vos produits:
Lesquels choisir, selon quels critères, métalliques, composites, élastomères?
Comment les assembler ? Quels procédés de fabrication? Quels traitements leur appliquer ?
Autant de questions auxquelles les experts du Cetim vous apportent des réponses pratiques et argumentées, en les complétant si vous le souhaitez de prestations d'aide à la conception pouvant vous faire gagner un temps précieux dans la mise sur le marché de vos produits.

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A technical question, call Cetim : +33 970 821 680