Si29Ni71

metal
· Si29Ni71

Si29Ni71 is a nickel-silicon intermetallic compound with approximately 29 at% silicon and 71 at% nickel, forming a brittle metallic phase rather than a traditional alloy solution. This material belongs to the Ni-Si binary system and is primarily of research and development interest for high-temperature applications where intermetallic phases offer potential advantages in strength and oxidation resistance, though such materials typically suffer from limited room-temperature ductility compared to conventional superalloys. Industrial adoption remains limited; the material is most relevant to advanced materials research programs exploring next-generation high-temperature structural materials, aerospace propulsion systems, and specialized coating or composite reinforcement applications where brittle intermetallic phases can be engineered into tougher matrices.

research and developmenthigh-temperature structural materialsaerospace propulsionintermetallic matrix compositesoxidation-resistant coatings

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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eV/atom——
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.