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Projects and Interlaboratory Comparisons

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TWA 2 - Surface Chemical Analysis

A12	International round robin t for graphene layer number characterization by Kelvin Probe Force Microscopy
A15	International round robin test for reproducible restoration methodology for AFM topography images using probe shape function
A20	Inter-laboratory study of work function measurement by photoelectron spectrometer
A21	Effects of Temperature and Humidity on Dimensional AFM Nanoscale Measurements
A22	Applying planar, patterned, multi-metallic samples to assess the impact of analysis area in surface-chemical analysis
A23	Determination of the minimum detectability of surface plasmon resonance device
A24	Guidelines for shape and size analysis of nano-particles by atomic force microscopy
A25	Interlaboratory study on atom probe quantification and reproducibility

TWA 5 - Polymer Composites

4	Measurement of the glass transition, for providing information on the degree of cure
5	International through-thickness permeability and preform compressibility benchmark exercises

TWA 16 - Superconducting Materials

WG1-2	Measurement method of critical temperature in oxide superconductors
WG1-4	AC loss measurement in YBCO coated conductors
WG3-1	Measurement methods of surface resistance in thin film superconductors

TWA 22 - Mechanical Property Measurement for Thin Films and Coatings

7	Intercomparison of Modulus and viscosity measurement of polymers
8	Incremental FIB micro-milling for intrinsic stress evaluation at the sub-micron scale
6	Measurement of thermophysical and thermomechanical properties by Scanning Thermal Microscopy (SThM)

TWA 24 - Performance Related Properties of Electroceramics

4	Quantification of electromechanical coupling of HALT for multi-layered ceramic

TWA 29 - Nanomechanics Applied to Scanning Probe Microscopy

1B	Cantilever spring constant calibration round robin

TWA 31 - Creep/Fatigue Crack Growth in Weldments

1	Creep crack growth of weldments in 316H, P91, P92 steels
2	Creep/fatigue code of practice in cracked weldments. interlaboratory comparison.
3	Stress analysis of pipe and plate components
4	Long term crack growth testing and predictions
7	Residual stress measurements and analysis
8	High temperature creep/fatigue crack growth of USC and A-USC materials and welds

TWA 32 - Modulus Measurements

1	Validation of the tensile test method for the measurement of the tensile elastic modulus

TWA 33 - Polymer Nanocomposites

1	shape, size and size distribution of nano filler particles
2	chemical composition of nano fillers

TWA 34 - Nanoparticle Populations

1	Single-wall carbon nanotube (SWCNT) chiral vector distribution determination
4	Raman spectroscopy of fullerene nanofibers
5	Method validation for determination of average aspect ratio of gold nanorods (GNRs) using UV-visible-NIR absorption spectrometry
6	Primary particle size distribution measurements using Transmission Electron Microscopy (TEM)
7	Requirements for describing materials on the nanoscale
8	Determination of total sulfur and sulfate half ester content in cellulose nanocrystals
9	Assessment of a quantitative nanomaterial definition
10	Interlaboratory study of the measurement of number concentration of colloidal nanoparticles
11	Static Muliple Light Scattering (SMLS) - mean particle size evaluation
12	Determination of Particle Size Distribution for Cellulose Nanocrystals (CNCs)

TWA 36 - Printed, flexible and stretchable electronics

3	Sheet resistance measurements of inhomogeneous electrodes

TWA 37 - Quantitative Microstructural Characterization

1	Determination of reproducibility and repeatability of grain size measurement by Electron Back Scattered Diffraction (EBSD)
2	Investigation of sharpness of scanning electron microscope (SEM) images and input to proposed ISO standard

TWA 38 - Thermoelectric Materials

1	Measurements of the Seebeck coefficient

TWA 39 - Solid Sorbents

1	Measuring CH4 Adsorption Isotherms on Zeolite

TWA 40 - Synthetic Biomaterials

2	Characterisation of a protein filament material as an internal calibrant for DEM
3	Comparability measurements of antibiotic interactions with bacterial model membranes
4	Size and size distribution number of synthetic virus-like particles
5	An intracellular distribution number of virus-like particles per cell
6	Comparability in the thermal stability of a protein antibiotic

TWA 41 - Graphene and Related 2D Materials

1	Structural characterisation of CVD grown graphene: Coverage, number of layers, stacking angle, level of disorder
2	Structural characterisation of a graphene flakes: Elemental analysis and oxygen content of a graphene powder
3	Structural characterisation of a graphene flakes: Measurement of the Metal impurities of a graphene powder
4	Graphene characterisation - online consultation survey
5	Thickness measurement of graphene oxide flakes using AFM

TWA 42 - Raman Spectroscopy and Microscopy

1	Raman shift calibration
2	Raman spectroscopy for TiO2 nanoparticles mixtures
3	Measurement of lateral and axial resolution of Raman microscope