Refractory Mola Alloy | Custom Manufacturing

Description

Information

Molybdenum-Lanthana Alloy (ML, Mola) is a refractory alloy known for its high melting point of 2620°C, good thermal stability, and high strength-to-weight ratio. Mola is also highly resistant to thermal shock and has a low coefficient of thermal expansion, making it ideal for use in high-temperature industrial applications such as furnace linings and heat exchangers. The lanthom Oxide provides a special microstructure that allows the alloy to be creep-resistant even under extreme use conditions. Refractory Mola Alloy is an ideal material for applications requiring dimensional stability and strength above the capabilities of Moly or TZM.

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Temperature Rating:

Melting Point – 2620℃

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Density: 10.30 g/cm³

Product Documentation

Benefits of Mola

• High Melting Point
• Good Thermal Stability
• High Strength
• Low coefficient of thermal expansion

Applications of Mola

• Aerospace and military
• Heat treating and furnaces
• Heat Exchangers
• Resistance heating elements

Molybdenum: Properties

Molybdenum belongs to the group of metals with a high melting point (also called refractory metals). Refractory metals are metals that have a higher melting point than platinum (1772 °C). In refractory metals, the binding energy between the individual atoms is particularly high. Refractory metals are also characterized by a high melting point coupled with a low vapor pressure, good high-temperature stability and in the case of molybdenum- and tungsten-based materials, a very high modulus of elasticity. They are also typically characterized by a low coefficient of thermal expansion and relatively high density. The fact that molybdenum belongs to the same group as tungsten in the periodic table means that it has similar physical and chemical properties. The excellent thermal conductivity of both molybdenum and tungsten is also of particular interest. However, molybdenum is easily deformable even at quite low temperatures and is therefore simpler to work than tungsten. Molybdenum is a genuine all-rounder with a very well-balanced range of properties.

We are able to influence the properties of our molybdenum and its alloys by varying the type and quantity of alloying elements that we add as well as by using a tailor-made production process. The carbides that we specifically include in our TZM and MHC materials modulate the mechanical properties of molybdenum across all temperature ranges. In particular, oxides increase the recrystallization temperature and creep resistance of the molybdenum. Rhenium makes molybdenum ductile even at room temperature. Copper increases the thermal conductivity without having any serious effects on the coefficient of thermal expansion.

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