Aug 9 2013
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 |