Magnesium EA65B-T6 Alloy

Jul 15 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Applications

Introduction

Magnesium is a silvery-white metal which is used as an alloy element for zinc, lead, aluminum, and other nonferrous alloys. It is highly flammable in its powdered form and soluble in water. Magnesium alloys work hardens rapidly and absorb energy elastically due to their low modulus of elasticity. They are light in weight and possess high strength.

The following datasheet gives an overview of magnesium EA65B-T6 alloy.

Chemical Composition

The following table shows the chemical composition of magnesium EA65B-T6 alloy.

Element Content (%)
Magnesium, Mg 85
Yttrium, Y 5.9
Aluminum, Al 5
Zinc, Zn 5

Physical Properties

The physical properties of magnesium EA65B-T6 alloy are given in the following table.

Properties Metric Imperial
Density 1.92 g/cm³ 0.0694 lb/in³

Mechanical Properties

The mechanical properties of cast magnesium EA65B-T6 alloy are listed in the following table.

Properties Metric Imperial
Tensile strength 235 MPa 34100 psi
Yield strength 130 MPa 18900 psi
Shear modulus (estimated from similar Mg alloys) 17 GPa 2470 ksi
Elastic modulus (typical Mg alloy value in tension) 45 GPa 6530 ksi
Poisson's ratio 0.32 0.32
Elongation at break (in 50 mm) 7% 7%

Applications

Magnesium EA65B-T6 alloy is commonly used for aircraft applications.

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