Dislocation density or relative defect content
XRD-derived estimate
Material Analysis · Structure & Spectroscopy
Dislocation Density Measurement
Characterise dislocation density or relative defect content, microstrain and coherent domain size, and spatial distribution of deformation where imaging is used using a scope agreed around your sample and decision.
- Price
- from£240 per sample, excl. VAT
- Turnaround
- 7 working days Preparation and scope dependent
- Available platforms
- Rigaku SmartLabMalvern Panalytical EmpyreanBruker D8 DISCOVER Plus
- Typical outputs
- Density estimate with calculation methodLine-profile fit or counted defect imagesUncertainty and assumptionsProcessed spectra
Why this service
What Dislocation Density Measurement can help you understand
Dislocation Density Measurement is selected when the project needs defensible information on dislocation density or relative defect content, microstrain and coherent domain size, or spatial distribution…
Microstrain and coherent domain size
ECCI or TEM direct counting
Spatial distribution of deformation where imaging is used
comparative before/after analysis
Choose the scope
Start from the question, not the tool
The method, preparation route and reporting depth depend on what you need to decide.
XRD-derived estimate
dislocation density or relative defect content
- Best used when
- dislocation density or relative defect content
- Typical result
- Density estimate with calculation method
- Preparation note
- Confirm the applicable standard, dimensions, loading direction and number of replicates.
ECCI or TEM direct counting
microstrain and coherent domain size
- Best used when
- microstrain and coherent domain size
- Typical result
- Line-profile fit or counted defect images
- Preparation note
- Confirm dimensions, cutting permission and whether the original geometry must be preserved.
Comparative before/after analysis
spatial distribution of deformation where imaging is used
- Best used when
- spatial distribution of deformation where imaging is used
- Typical result
- Uncertainty and assumptions
- Preparation note
- Confirm the applicable standard, dimensions, loading direction and number of replicates.
Common outputs
A result package matched to the decision you need to make
Fields, conditions, processing and file formats are confirmed before work begins.
Density estimate with calculation method reported with the agreed units, sample reference and measurement conditions.
Line-profile fit or counted defect images supplied in a labelled format suitable for direct sample or condition comparison.
Uncertainty and assumptions provided with the processing basis and quality checks agreed during technical review.
Processed spectra included when selected in the confirmed reporting scope.
Sample requirements
What to provide before work begins
Provide representative, clearly labelled samples and identify the decision, feature or comparison that matters.
| Suitable sample | Submission requirement | Planning note |
|---|---|---|
| Test coupon / specimen | Provide labelled specimens prepared to the agreed geometry, orientation and surface condition. | Confirm the applicable standard, dimensions, loading direction and number of replicates. |
| Solid / component | Provide a clean, stable and clearly labelled specimen with the target face or region identified. | Confirm dimensions, cutting permission and whether the original geometry must be preserved. |
Objective: state the decision, comparison or acceptance criterion the work must support.
Handling and access: declare hazards, instability, confidentiality, file constraints or special logistics before dispatch or transfer.
Questions and answers
Common planning decisions
Short answers to issues that can change preparation, scope, timing or interpretation.
What should I send for Dislocation Density Measurement?
Provide test coupon / specimen, solid / component as applicable. Exact quantity, dimensions and preparation are confirmed during technical review.
Which analysis option should I choose?
Choose the mode around the decision you need to make. For dislocation density or relative defect content, start with XRD-derived estimate; add ECCI or TEM direct counting when comparison or quantification is required.
How long will the test take?
Typical turnaround is 7 working days after sample acceptance and method confirmation.
What can limit the result?
Values from different methods are not directly interchangeable. Model assumptions, visibility criteria, and sampling dominate uncertainty.
Configure the service
Send the information needed to scope Dislocation Density Measurement correctly
- Sample form, material, dimensions and quantity
- Feature or decision the result must address
- Required comparison, acceptance criterion or reference
- Preferred output and reporting depth