NiTi Nanocomposite Shape Memory Alloy with High Strength and Fatigue Life Data

Source data supports a Nature Nanotechnology publication (DOI: 10.1038/s41565-020-00837-5). The dataset likely contains experimental results for a superelastic NiTi nanocomposite, which demonstrated a recoverable strain of 4.3%, a yield strength of 2.3 GPa, and endured over 10^8 reversible-phase-transition cycles under 1.8 GPa stress. The data was produced by Peng Hua and colleagues via severe plastic deformation and low-temperature annealing.

Use Cases

• Modeling fatigue life enhancement based on the reported 10^8+ cycle endurance.
• Analyzing the relationship between hybrid nanostructure and mechanical properties like the 2.3 GPa yield strength.
• Benchmarking new shape memory alloy designs against the reported 4.3% recoverable strain.
• Studying the mutual strengthening effect between nano-sized amorphous and crystalline phases described in the abstract.

Strengths

• Data is directly linked to a peer-reviewed publication in Nature Nanotechnology.
• Specific, high-performance metrics are reported, including a yield strength of 2.3 GPa and over 10^8 fatigue cycles.
• The experimental method (severe plastic deformation and low-temperature annealing) is described.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

Peng Hua, associated with a Nature Nanotechnology publication.

Collection Method

Data produced via severe plastic deformation and low-temperature annealing of NiTi, with properties measured via compression experiments on micropillars.