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Knowledge Bank

WIOPEDIA - The WIOTEC® electroplating encyclopaedia


Knowledge from A - Z

M

Magnesium (Mg)

Magnesium is a solid, silvery shining light metal, which is covered with a thin oxide layer when exposed to air at room temperature. Magnesium is flammable above 500 °C; white magnesium oxide (MgO) is formed. Acids dissolve magnesium, causing water to form. A paint or a protective oxide layer protects against corrosion.

Mg-Al-Zn alloys, but also Mg-, Al,- Mg-Mn, Mg-Si and Mg-Zn alloys are of particular importance in materials technology. The hardening of aluminium alloys is in the foreground. It is achieved by adding Mg up to 5%, whereby the weldability improves considerably.

Properties:

Atomic mass

24,312

Density

1740 kg/m³

Melting point

650 °C

Boiling point

1100 °C

Normal potential

-2.34 V (MgMg2++ 2e-)

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WIOTEC® Ense GmbH & Co. KG
Auf den Geeren 9-11
59469 Ense-Höingen, Germany

WIOTEC® Arnsberg GmbH & Co. KG
Wagenbergstraße 55
59759 Arnsberg, Germany

Phone
+49 2938 97833-0
Fax
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From metal to precious metal
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