High-precision mechanical testing data from in-situ micropillar compression experiments on synthetic forsterite bicrystals at 700°C. The dataset, associated with a pre-print manuscript (DOI: 10.22541/essoar.167979601.17867144/v1), compares deformation between pillars containing low-angle (4° tilt) and high-angle (60° tilt) grain boundaries and those in the crystal interior. Data was produced under NERC Grant NE/S00162X/1 and hosted by the British Geological Survey.
Use Cases
- Modeling grain boundary strength in olivine based on direct mechanical property measurements.
- Comparing deformation styles between crystal interiors and boundaries based on in-situ observations.
- Analyzing the role of boundary misorientation (low-angle vs. high-angle) on mechanical response.
- Validating hypotheses about grain-size effects in upper mantle rheology based on experimental data.
Strengths
- Experiments conducted at a controlled high temperature of 700°C.
- Direct mechanical testing of well-characterized synthetic forsterite bicrystals with specific interface geometries (4° and 60° tilt boundaries).
- In-situ observation during compression tests enabling correlation of mechanics with deformation style.
Limitations
- Row count and dataset size are unknown, which may limit suitability assessment.
- Column-level documentation is absent; field semantics must be inferred after download.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- British Geological Survey (BGS), associated with NERC Grant NE/S00162X/1.
- Collection Method
- In-situ micropillar compression tests on synthetic forsterite bicrystals.
- Freshness
- Last updated 2026-05-28 14:05:32.777279; freshness should be verified.