Mechanical testings

At the RMS Foundation we can offer you the following services in the area of physical and mechanical testing:

Tensile test, compression test, bending test

Description: Static and quasi-static tensile, compression and flexure tests on metallic, polymeric and ceramic materials to determine strength, elastic limit, elongation at break, necking and Young's modulus, and graphical recording of the measured values.
Standard(s):
  • ISO 6892-1 
  • ASTM E8M
  • DIN EN ISO 527-1
  • DIN 50106 
  • EN ISO 178 
  • DIN EN 843-1 
  • DIN EN ISO 7438
Newsletter:  
Equipment: Zwick 1475 materials testing machine / Z250 floor-standing testing machine and Zwicki-Line Z5.0 with testXpert III software (force and displacement measurement to grade 0.5 - 1.0 according to DIN EN ISO 7500-1 and DIN EN ISO 9513)

Contact:  Yannick Brandt +41 32 644-2028

 

 

Torsion test

Description: Torsion testing machine for testing metallic materials, plastics, medical technology products or entire assemblies under the influence of torsion. Maximum rigidity ensures very accurate torsion angle measurement over the entire torque range. Optional static weight loading unit (tension and compression) for the introduction of axial forces up to max. 500 N.
Standard(s):
  • ASTM F543
  • ISO 6475
  • ÖNORM EN 20898-7: Mechanical properties of fasteners - Part 7: Torsion test and minimum breaking torques for bolts with standard diameter 1 mm - 10 mm
Newsletter:
  • Torque- or angle-controlled torsion testing (NL-35)
Equipment:

Contact:  Stefan Röthlisberger +41 32 644-2027

 

 

Static part and component testing

Description: Static and quasi-static tensile, compression and flexure tests on components or entire assemblies to determine strength, stiffness and elasticity and to investigate failure behavior.
Standard(s):
  • DIN EN ISO 7500-1
  • DIN EN ISO 9513
Newsletter:
  • Is the strength sufficient – is the deformation permissible? (NL-5)
Equipment:

Universal testing machines ZwickRoell:

Contact:  Stefan Röthlisberger +41 32 644-2027

 

 

Notched bar impact test

Description: The notched bar impact test is used to determine the toughness of a metal specimen under impact loading. The specimen of the material to be tested is notched on one side.
Standard(s):
  • ISO 148-1
Newsletter:  
Equipment: Pendulum impact tester Zwick RKP 450 with a 300 Joule pendulum head (Software testXpert III)

Contact:  Fabrizio Bigolin +41 32 644-2023

 

 

Dynamic tests

Description: Uniaxial dynamic tests on specimens made of metallic, polymeric and ceramic materials as well as assemblies and medical implants to determine fatigue strength (Wöhler curve). The tests can also be performed in a temperature-controlled water bath, e.g. at 37°C.
Standard(s):
  • ASTM F382
  • ISO 9585
  • ISO 12189
  • ASTM F1717
  • ASTM F2706
  • ISO 7206-4
  • ISO 7206-6
  • ASTM F1875
  • ISO 14879
  • ASTM F1800
  • ASTM F3210
  • ASTM F3140
  • ISO 14801
  • More on request
Newsletter:
  • Do you know the fatigue strength of your components? (NL-02)
  • Particle analysis: How to characterise particles generated under dynamic loading of medical devices (NL-34)
Equipment:

Contact:  Stefan Röthlisberger +41 32 644-2027

 

 

Circular bending test

Description: Rotational bending test to determine the flexural fatigue strength on metallic specimens, considering specific surface texturing, and to investigate the adhesive strength of coatings on metallic specimens and plastic samples.
Standard(s):
  • DIN 50113
Newsletter:
  • Do you know the fatigue strength of your components? (NL-2)
Equipment:

Contact:  Stefan Röthlisberger +41 32 644-2027

 

 

Vickers hardness test

Description:

Hardness testing on metallic and non-metallic materials in the micro hardness range, HV 0.1 and
Small force range, HV 0.2 to HV 2.
Standard(s):
  • DIN EN ISO 6507-1                        
  • DIN EN ISO 18203     
Newsletter:  
Equipment: Vickers Hardness Tester UHL VMH-002V to HV2

Contact:  Dieter Streit +41 32 644-2021

 

 

Hardness test according to Shore

Description: Hardness testing of plastics and hard rubber according to Shore A (10 - 90 Shore A) and Shore D (30 - 90 Shore D).
Standard(s):
  • DIN EN ISO 868
  • ASTM D2240
Newsletter:  
Equipment: Zwick Shore A hardness tester / Zwick Shore D hardness tester

Contact:  Dieter Streit +41 32 644-2021

 

 

Product damage analyses

Description: Determining the causes of damage and proposing improvement measures by means of investigation and technical assessment of damage to medical products (especially orthopedic and traumatological implants and instruments), technical products and components.
Standard(s):  
Newsletter:  
Equipment: Light microscopes / electron microscope (SEM) / FT-IR microscope

Contact:  Fabrizio Bigolin +41 32 644-2023

 

 

Packaging testing

Description: Testing of the strength of sealed seams on packaging (blisters, peel pouches) by means of tensile tests and tightness by means of dye penetrant testing and bubble emission.
Standard(s):
  • ASTM F1886 
  • ASTM F1886M
  • ASTM F88
  • ASTM F88M
  • ASTM F3039 
  • ASTM F1929
  • ASTM D3078
Newsletter:  
Equipment: Zwicki Z5.0, inv. no. 761 / Labthink Leak Tester MFY-01, lnv. no. 01006 / Vacuum gauge DVR 2

Contact:  Stefan Röthlisberger +41 32 644-2027

 

 

Impulse measurements for impact loading

Description: Measurement of single or cyclically executed impacts and recording of these. This allows the behavior of a component or an assembly to be tested. A test setup with which cyclic impacts can be applied and measured is available and can be adapted to different geometries.
Standard(s):  
Newsletter:
  • Impulse measurements under impact loading (NL-37)
Equipment:
  • High-speed measurement amplifiers, including MX410B from HBM (max. 200 kHz measurement rate) / Charge amplifier CMD600 from HBM / Various force sensors (depending on the impact to be applied, geometry, etc.), e.g. CFT 20 kN from HBM / Test setup with which cyclic impacts can be applied

Contact:  Stefan Jakobs +41 32 644-2033

 

 

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