Magnesium LS141 Alloy

Aug 9 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties

Introduction

Magnesium alloys are lightweight and have excellent vibration damping characteristics and high strength.The following datasheet gives an overview of magnesium LS141 alloy.

Chemical Composition

The following table shows the chemical composition of magnesium LS141 alloy.

Element Content (%)
Magnesium, Mg 84 - 86
Lithium, Li 13 - 15
Aluminum, Al 0.50 - 0.80

Physical Properties

The physical properties of magnesium LS141 alloy are given in the following table.

Properties Metric Imperial
Density 1.33 g/cm³ 0.0480 lb/in³

Mechanical Properties

The mechanical properties of magnesium LS141 alloy are listed in the following table.

Properties Metric Imperial
Tensile strength 138 MPa 20000 psi
Yield strength 110 MPa 16000 psi
Elastic modulus 41 GPa 5950 ksi
Elongation at break (in 50 mm) 23% 23%

Thermal Properties

The following table outlines the thermal properties of magnesium LS141 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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