Magnesium LA141 Alloy

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties

Introduction

Magnesium alloys have a lower density and good resistance to corrosion. The following datasheet gives an overview of magnesium LA141 alloy.

Chemical Composition

The following table shows the chemical composition of magnesium LA141 alloy.

Element Content (%)
Magnesium, Mg 84 - 86
Lithium, Li 13 - 15
Aluminum, Al 0.75 - 1.75

Physical Properties

The physical properties of magnesium LA141 alloy are given in the following table.

Properties Metric Imperial
Density 1.35 g/cm³ 0.0488 lb/in³

Mechanical Properties

The mechanical properties of magnesium LA141 alloy are listed in the following table.

Properties Metric Imperial
Tensile strength 145 MPa 21000 psi
Yield strength 124 MPa 18000 psi
Elastic modulus 42 GPa 6090 ksi
Elongation at break (in 50 mm) 23% 23%

Thermal Properties

The following table outlines the thermal properties of magnesium LA141 alloy.

Properties Metric Imperial
Thermal expansion co-efficient (@ 24-100°C/75.2-212°F) 21.7 µm/m°C 12.1 µin/in°F
Thermal conductivity 80 W/mK 555 BTU in/hr.ft².°F

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