Al4CuNi5

metal

· Al4CuNi5

Al4CuNi5 is an intermetallic compound in the aluminum-copper-nickel system, representing a complex ternary phase that combines lightweight aluminum with the strengthening and corrosion-resistance contributions of copper and nickel. This material is primarily of research and advanced metallurgical interest, explored for high-temperature applications and specialized aerospace or automotive components where the unique phase structure offers potential advantages in strength-to-weight ratio and thermal stability compared to conventional aluminum alloys. Engineers would consider this material when conventional Al alloys prove insufficient for demanding thermal or mechanical environments, though commercial availability and processing routes remain limited compared to established aluminum alloy families.

high-temperature aerospace componentslightweight structural alloys (research phase)intermetallic strengthening studiesthermal barrier applicationsadvanced automotive powertrainsspecialized defense/aerospace systems

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5068	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.

Al4CuNi5

Other Properties

Regulatory Screening

Environmental

Export Control