Metals

At the RMS Foundation we can offer you the following services in the area of metal testing:

Corrosion measurements (electrochemical methods)

Description: Determination of local corrosion properties of material or metal surfaces with the EC-Pen. Pen tip: A = 1.5 mm2.
Standard(s):
  • ISO 10993-15
  • ASTM G5
  • ASTM G71
  • ASTM F746
  • additonal standards on request
Newsletter:  
Equipment: EC-Pen with Jaissle potentiostat / PGU Touch potentiostat

Contact:  Dieter Streit +41 32 644-2021

 

 

Composition of metals/alloys

Description:

Determination of the elemental composition of metals and alloys.

Standard(s):

various
Newsletter:
  • Chemical analysis by ICP-MS (NL-27)
  • Determination of the cleanliness of medical devices (NL-31)
Equipment:

X-ray Fluorescence (XRF), Spark Optical Emission Spectroscopy (spark-OES), Mass Spectrometry (ICP-MS)

 

 

Trace element analysis of metals and alloys

Description: Determination of trace elements in metals and alloys.
Metal and alloy samples are digested in strong acid and the desired (trace) elements are subsequently quantified by ICP-MS or spark-OES down to the ng/g range (DL are element-dependent).
Standards(s): -
Newsletter:
  • Chemical analysis by ICP-MS (NL-27)
  • Determination of the cleanliness of medical devices (NL-31)
Equipment:

Mass spectrometry (ICP-MS), Spark optical emission spektroscopy (spark-OES)

 

 

Sample preparation for materialographic examinations

Description: Preparation of specimens for materialographic studies such as cutting, embedding, grinding, polishing, and etching.
Standard(s):  
Newsletter:  
Equipment: Embedding press Metkon ECOPRESS®200 / Struers CitoPress / Grinding and polishing equipment Struers TegraPol-21 (+ Tegra Doser 5) and PRESI Meccatech 334

 

 

 

Determination of grain size, microstructure and volume fraction in multiphase microstructures

Description: Determination of the grain size index and the grain size based on standard methods as well as the volume fraction in multiphase microstructures according to the point counting method on metallic and ceramic materials with image documentation.
Standard(s):
  • ISO 643
  • ISO 20160
  • ASTM E 112
  • ASTM E 562
  • ASTM E 930
  • ETTC-3 / ETTC-4 / ETTC-8
Newsletter:  
Equipment: Leica DMI5000 M light microscope with Jenoptik Gryphax Naos camera and IMS image management system.

 

 

Determination of non-metallic inclusions in metals

Description: Characterization and determination of non-metallic inclusions on unetched sections of metallic materials with image documentation.
Standard(s):
  • ISO 4967
  • ASTM E45
Newsletter:  
Equipment: Leica DMI5000 M light microscope with Jenoptik Gryphax Naos camera and IMS image management system.

 

 

Content determination of precipitated phases

Description: Determination of the content of precipitated phases such as delta ferrite, sigma phase and iron beta phase by means of comparative reference series with image documentation.
Standard(s):
  • Dietmar Lober: Informationen über Stahl für Metallografen – Richtreihen und Normen für die Untersuchung: MVR 001 / 002 / 003
Newsletter:  
Equipment: Leica DMI5000 M light microscope with Jenoptik Gryphax Naos camera and IMS image management system.

 

 

Intergranular corrosion test according to ASTM A262 Practice A and E

Description: Intergranular corrosion tests on austenitic steels. Practice A (rapid screening test) includes the test for classification of etching structures. Practice E (copper/copper sulfate test) includes the determination of the sensitivity for intergranular grain boundary attack.
Standard(s):
  • ASTM A262
Newsletter:  
Equipment: Practice A: Electropolishing and etching equipment Buehler PoliMat 2 / Practice E: Glass apparatus with re-circulating cooling system

 

 

Conductivity measurement on non-ferrous metals

Description: Fast, non-destructive and precise measurement of the electrical conductivity of non-ferrous metals at different measuring frequencies. Determination of the age-hardening state of precipitation-hardening alloys (e.g. AI, Cu).
Standard(s): DIN EN 2004-1 / ASTM E1004
Newsletter:  
Equipment: Fischer Sigmascope SMP1

Contact:  Dieter Streit +41 32 644-2021

 

 

Carrier gas hot extraction (TGHE) analyses of C, S, H, N, O and Ar in metals.

Description: Carrier gas hot extraction analysis in an inert or reactive gas atmosphere for the quantitative determination of the elements carbon, sulfur, hydrogen, nitrogen, oxygen and argon in metallic and non-metallic materials.
Standard(s): ASTM E1019 / ASTM E1447 / ASTM E1409 / ASTM E2575 / ISO 4491-4 / SS 118000 / ASTM E1941 / DIN EN ISO 14284
Newsletter:  
Equipment: LECO CS 230 Carbon Sulfur Analyzer, Bruker G8 Galileo & Mass Spectrometer ESD 100

 

 

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): depending on the test material
Newsletter:  
Equipment: Various, depending on the type of examination method

 

 

Corrosion test (static immersion test)

Description:

Incubation of test specimens for 7 days in a test solution under in vitro conditions corresponding to the oral cavity, according to ISO 10271:2020, paragraph 4.1. Subsequent examination of the solutions and test specimens for optical changes and quantification of the released metallic ions by inductively coupled plasma-mass spectrometry (ICP-MS).

Standard(s): ISO 10271
Newsletter:  
Equipment: Agilent 7700x ICP-MS

 

 

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