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 |