MECHANICAL
• TENSILE TEST:
Ambient and Elevated temperature to European and American specification:
Yield & Ultimate Strength, Elongation, Reduction of area & Proof testing
utilising 500kN Servo-hydraulic computer linked MAYES machine.
• CHARPY IMPACT TESTS:
Dedicated European and American test machines for cryogenic, ambient
and elevated temperature tests: Evaluation of Toughness and fracture properties.
• COMPRESSION MACHINE:
Flexibility, Formality and Fracture properties.
ROCKWELL AND VICKERS HARDNESS TESTS: Evaluation of hardness
and equivalent strength.
DIMENSIONAL
CALIPERS, VERNIERS, MICROMETERS, STRAIGHT EDGES, PROTRACTORS,
SHADOW-GRAPH: Creep strain measurements, defect sizing and product compliance.
METALLURGICAL
Using OPTICAL MICROSCOPES, STEREOSCOPES:
Micro and Macroscopic examination of materials up to x1000 magnification.
Characterisation of service failure mechanisms. Degradation of microstructure from
elevated temperature service and exposure to corrosive environments.
Grain size and morphology, Phase balance, Cleanliness, Defect evaluation, Coating and Thermal treatment evaluation.
SCANNING ELECTRON MICROSCOPY
30 to x200,000 magnification. Evaluation of fracture and microscopic features.
ENERGY DISPERSION X-RAY ANALYSIS
Qualitative evaluation of coatings, corrosion products, deposits and micro-constituents.
HEAT TREATMENT
MUFFLE FURNACES for heat treatment of test specimens and establishing simulated high temperature service effects on microstructure and physical properties. Optimisation of product heat treatment parameters and determination of hardenability.
NDT
RADIOGRAPHY, MPI, DPI, ULTRASONICS, TUBE INSPECTIONS: DINSEARCH, IRIS, EDDY CURRENT, BORESCOPE.
CHEMICAL
CHEMICAL ANALYSIS: Rapid spectrographic analysis of low and high alloy steels using computer linked 24 channel diffraction grated spectrometer. Gas in metal analysis utilising Thermoconduction and Infra-red techniques.
CORROSION
Pitting and Intergranular Corrosion tests to measure the stability of materials and fitness for purpose.
IN-SITU TESTING
Supplementary to the NDT techniques TEi Metallurgical Services specialises in:
• Alloy verification and Positive material identification
• Portable hardness testing using Equotip or Krautkramer MIC10 equipment
• In-situ metallographic examinations and replication of
Microstructure (Thermal degradation and creep cavitation assessments)