Testing capabilities

The mechanical testing lab is equipped to perform a wide variety of tests of coupons and small components, under static or fatigue loads, in different environmental conditions.

LOAD RANGE

 

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50N to 300 kN

TEST TEMPERATURE

 

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-55ºC to 240ºc

TEST HUMIDITY

 

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10% to 95%

TEST FREQUENCY

 

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up to 20 Hz

Mechanical characterisation tests

COMPOSITE MATERIALS

  • TENSILE

    • Tensile strength
      Young’s modulus
      Poisson’s ratio
    • ASTM D3039M | EN 2561 ASTM D638 | ISO 527-1 (Plastics)

  • COMPRESSION

    • Tensile strength
      Young’s modulus
      Poisson’s ratio
    • ASTM D3039M | EN 2561 ASTM D638 | ISO 527-1 (Plastics)

  • In-plane shear ±45º

    • Shear strength
      Shear modulus
    • ASTM D3518M | AITM 1-0002 | EN 6031

  • Interlaminar shear (ILSS)

    • Shear strength
    • EN 2563 | ASTM D2344M | ISO 14130

  • V-notched shear - Iosipescu

    • Shear strength
      Shear modulus
    • ASTM D5379M

  • BENDING

    • Flexural strength
      Flexural modulus
    • EN 2562 | ISO 14125 | ASTM C393 | ASTM D790 (Plastics)

  • Low velocity impact

    • Absorbed energy
      Delaminated area
      Indentation depth
    • ASTM D7136M

  • Compression after impact

    • CAI strength
    • ASTM D7137M | AITM 1-0010 | EN 6038

  • Quasi-static indentation

    • Absorbed energy
    • ASTM D6264M

  • Open hole tensile

    • Strength
      Notch factor
    • AITM 1-0007 | EN 6035 | ASTM D5676M

  • Open hole compression

    • Strength
      Notch factor
    • AITM1-0008 | EN6036

  • Flatwise tensile

    • Strength
    • AITM 1-0025

  • Delamination: DCB - GIC

    • Interlaminar fracture toughness (mode I)
    • AITM 1-0005 | EN 6033 | ISO15024 | ASTM D5528

  • Delamination: ENF - GIIC

    • Interlaminar fracture toughness (mode II)
    • AITM 1-0006 | EN 6034 | ASTM D7905

  • Delamination: C-ELS - GIIC

    • Interlaminar fracture toughness (mode II)
    • ISO 15114

  • Delamination: MMB - GC

    • Interlaminar fracture toughness (mixed mode)
    • ASTM D6671M

  • Compact Tension (CT) and Compression (CC)

    • Intralaminar fracture toughness
      Intralaminar cohesive law
    • Internal procedure

  • Double Edge Notch Tensile and Compression

    • Intralaminar fracture toughness
      Notched strength
    • Internal procedure

Fatigue tests

  • Tensile fatigue

    • Fatigue strength
      S-N curves
    • ASTM D3479

  • DCB - Mode I fatigue

    • Crack onset curve
      Crack growth rate curve
      Fatigue threshold
    • ASTM D6115 | Internal procedure

  • ENF - Mode II fatigue

    • Crack onset curve
      Crack growth rate curve
      Fatigue threshold
    • Internal procedure

  • MMB - Mixed mode fatigue

    • Crack onset curve
      Crack growth rate curve
      Fatigue threshold
    • Internal procedure

Bonded joints

  • DCB - J integral

    • Mode I fracture toughness
      R curve
    • Internal procedure

  • ENF - J integral

    • Mode II fracture toughness
      R curve
    • Internal procedure

  • MMB - J integral

    • Mixed mode fracture toughness
      R curve
    • Internal procedure

  • Cohesive law measurement

    • Mode I, II and mixed-mode cohesive laws
    • Internal procedure

  • DCB - GIC

    • Mode I fracture toughness
    • AITM 1-0053 | ISO25217

  • C-ELS - GIIC

    • Mode II fracture toughness
    • AITM 1-0068 | Internal procedure

  • Single/double lap shear

    • Lap shear strength
    • AITM1-0019 | ASTM D5656, D1002, D3165

Lab equipment
  • UNIVERSAL TESTING MACHINES, hydraulic (3x) and electromechanical (4x).
  • TEMPERATURE AND HUMIDITY TESTING CHAMBERS, for testing controlled temperature and humidity conditions
  • DROP WEIGHT TESTING TOWER, for low velocity impact test.
  • CONDITIONING CHAMBERS AND FURNACES, controlled temperature and humidity.
  • DIGITAL IMAGE CORRELATION (DIC), contactless strain and displacement measurement.

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Vertical strains during cracking on a CFRP open hole laminate, measured by means of DIC.

  • MEASUREMENT EQUIPMENT:
    • long-distance travelling microscope for crack length monitoring
    • strain gauge monitoring
    • axial, biaxial, shear and COD extensometers
    • etc.

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CATALOGUE
2017