Indium / Indium Alloys Nonferrous Metals and Alloys
Description
Indium is a soft and ductile metal known for its ability to efficiently conduct heat. It is often used in the formation of low melting alloys and solders. Indium alloys are particularly valued for their ability to conform to irregular surfaces, making them excellent thermal interface materials.
Working Principle
Indium works by leveraging its low melting point and softness to create effective thermal interfaces. Its ability to conduct heat efficiently is due to its metallic properties, which allow it to transfer thermal energy between components seamlessly. This makes indium alloys particularly useful in applications where precise thermal management is crucial.
Applications
Indium and its alloys are used in a variety of specific applications. They are employed in the manufacturing of fusible alloys that melt at specific temperature ranges, which are useful in thermal management and heat transfer applications. Indium-based solders are used for "cold welding" due to their oxide-free nature, reducing the need for heat and chemicals. Additionally, indium alloys are used in the production of mercury substitutes for thermometers and thermostat components, as well as in the continuous casting of glassy alloys and molten metal batteries.
Advantages over other Nonferrous Metals and Alloys
Indium alloys offer several advantages over other nonferrous metals and alloys. Their low melting point allows for efficient heat conduction, which is superior to many other materials. The softness of indium enables it to conform to irregular surfaces, providing a better thermal interface compared to harder metals. Indium-based solders also reduce gold scavenging, which is a common issue with conventional solders.
Limitations
One limitation of indium alloys is their susceptibility to creep under pressure, which can affect their long-term stability in certain applications. Additionally, the relatively low shear strength of indium compared to other solder materials may limit its use in applications requiring high mechanical strength.
Considerations
When considering the use of indium and indium alloys, it is important to evaluate the initial costs, which may be higher due to the specialized nature of the material. Operating expenses can be reduced due to the material's efficiency in thermal management. However, the durability and maintenance costs should be considered, especially in applications where mechanical stress is a factor. The accuracy of indium-based thermal interfaces is generally high, but replacement and maintenance costs may vary depending on the specific application and environmental conditions.
from Umicore Metal Deposition Solutions
Coating material. Indium. Purity. 99.999%. Form. Rod. Dimensions. Ø 8 x 15 mm. Quantity. 500 g. Theoretical density at 20 °C in g/cm ³. 7.3. Melting point in °C. 157. 10 ⁻ ² mbar in °C. 920. 10 ⁻ ¹ mbar in °C. 1050. Boiling point in °C. 2072. [See More]
- Nonferrous: LowMelting; Indium
- Width / OD: 0.3150
-
Shape / Form: Bar Stock; Profile or Structural Shape; Round Bar or Rod Stock;
Rod
- Length: 0.5906
from Indium Corporation
Fusible Alloys include a group of binary, ternary, quaternary, and quinary alloys containing Bismuth, lead, tin, cadmium and indium. The term fusible alloy refers to any of the more than 100 white-metal alloys that melt at relatively low temperatures. Fusible alloys are materials that melt at less... [See More]
- Nonferrous: LowMelting; Bismuth; Indium; Lead; Tin; Miscellaneous Nonferrous Metal or Alloy
- Shape / Form: Semi-finished, Mill Stock or Near Net Shapes; Bar Stock
- Specialty / Other Types: Specialty; Cadmuim
- Applications: Sealing in Cryogenic Applications, Soldering/Fusing
from Belmont Metals, Inc.
Featuring 99.99% Indium and Indium-Based Low Melting Alloys. Indium was discovered by the German chemists Ferdinand Reich and Hieronymus Richter in 1863. Reich and Richter had been looking for traces of the element thallium in samples of Zinc order, when they saw a brilliant indigo line in the... [See More]
- Nonferrous: LowMelting; Bismuth; Indium; Lead
- Applications: Bearings or Bearing Quality; Electronics or semiconductors
- Shape / Form: 2 lb Cake Even Weight
from Matexcel
Storage: Store at room temperature. Purity: 0.9999. Size: 325mesh [See More]
- Nonferrous: Indium
- Shape / Form: Powder, Granule or Flake
from Indium Corporation
Fusible Alloys include a group of binary, ternary, quaternary, and quinary alloys containing Bismuth, lead, tin, cadmium and indium. The term fusible alloy refers to any of the more than 100 white-metal alloys that melt at relatively low temperatures. Fusible alloys are materials that melt at less... [See More]
- Nonferrous: LowMelting; Bismuth; Indium; Lead; Tin
- Thickness: 1
- Shape / Form: Semi-finished, Mill Stock or Near Net Shapes; Bar Stock
- Length: 4.25
from Indium Corporation
Typical Indium Analysis. 99.9%. PPMWT. Fe : 10-20. Ni : 5-20. Cu : 5-30. Cd : 50-100. Pb : 200-300. Sn : 50-200. Ti : 100-300. Analysis by OES. * Please note that these are typical ppm levels, and do not represent maximum, minimum, or lot specific levels. If you have specific requirements for one or... [See More]
- Nonferrous: LowMelting; Indium
- Width / OD: 0.1250
- Shape / Form: Semi-finished, Mill Stock or Near Net Shapes; Ball Shot
- Applications: Sealing in Cryogenic Applications, Soldering/Fusing
from Indium Corporation
Typical Indium Analysis. 99.99%. PPMWT. Fe : 1-2. Ni : 2-6. Cu : 2-6. Cd : 5-10. Pb : 10-30. Sn : 10-25. Ti : 1-4. Analysis by OES. * Please note that these are typical ppm levels, and do not represent maximum, minimum, or lot specific levels. If you have specific requirements for one or two... [See More]
- Nonferrous: LowMelting; Indium
- Thickness: 0.5000
- Shape / Form: Semi-finished, Mill Stock or Near Net Shapes; Bar Stock; Anode
- Length: 11.75
from Indium Corporation
Typical Indium Analysis. 99.99%. PPMWT. Fe : 1-2. Ni : 2-6. Cu : 2-6. Cd : 5-10. Pb : 10-30. Sn : 10-25. Ti : 1-4. Analysis by OES. * Please note that these are typical ppm levels, and do not represent maximum, minimum, or lot specific levels. If you have specific requirements for one or two... [See More]
- Nonferrous: LowMelting; Indium
- Width / OD: 0.1250
- Shape / Form: Semi-finished, Mill Stock or Near Net Shapes; Ball Shot
- Applications: Sealing in Cryogenic Applications, Soldering/Fusing
from Indium Corporation
Typical Indium Analysis. 99.999%. PPMWT. Fe : 0.5. Ni : 1.0. Cu : 1.0. Cd : 1.0. Pb : 2.0. Sn : 2.5. Ti : 1.0. Analysis by OES. * Please note that these are typical ppm levels, and do not represent maximum, minimum, or lot specific levels. If you have specific requirements for one or two elements,... [See More]
- Nonferrous: LowMelting; Indium
- Width / OD: 0.1250
- Shape / Form: Semi-finished, Mill Stock or Near Net Shapes; Ball Shot
- Applications: Sealing in Cryogenic Applications, Soldering/Fusing
from Indium Corporation
We produce 6N material with impurities held to less than 100 ppb/weight as analyzed by OES. 6N (and often 5N) indium is selected when the user's application offers enough flexibility to allow the balancing of device performance with material cost. Size: .125" Diameter approx; Random Sized Teardrop... [See More]
- Nonferrous: LowMelting; Indium
- Width / OD: 0.1250
- Shape / Form: Semi-finished, Mill Stock or Near Net Shapes; Ball Shot
- Applications: Sealing in Cryogenic Applications, Soldering/Fusing