Super Alloy NiAl™

Jan 16 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties

Introduction

Super alloys or high performance alloys contain many elements in a variety of combinations to achieve a desired result. These alloys are good for use in environments with high temperatures and severe mechanical stress, and also in cases where high surface stability is needed. They provide excellent creep and oxidation resistance.

Strengthening of super alloys is performed by work hardening, solid-solution hardening, and precipitation hardening methods. NiAl™ is an intermetallic alloy of nickel and aluminum.

The following datasheet will provide more details about super alloy NiAl™.

Chemical Composition

The following table shows the chemical composition of NiAl™.

Element Content (%)
Nickel, Ni 68.5
Aluminum, Al 31.5

Physical Properties

The physical properties of NiAl™ are outlined in the following table.

Properties Metric Imperial
Density 5.86 g/cm³ 0.212 lb/in³
Melting point 1640°C 2980°F

Mechanical Properties

The mechanical properties of NiAl™ are provided below.

Properties Metric Imperial
Elastic modulus 294 GPa 42600 ksi

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