Wet Etching Molybdenum

Wet Etching Machining Molybdenum, Molybdenum, a refractory metal with exceptional mechanical properties and high melting point, has become a critical material in various industries.

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Chenical Etching
$ 0.5~5 /PCS
  • From 1000pcs
  • Samples from 100pcs
  • Approx. 30 days (may vary depending on the difficulty of the drawing)

View our Molybdenum etching production facility

Molybdenum etching production facility

Types of Molybdenum and Alloys

Molybdenum exists in various forms and alloys, each designed to suit specific industrial demands. Some common types include:

Machining Molybdenum
  1. Pure Molybdenum: Known for its high strength and heat resistance, pure Molybdenum is often used in high-temperature applications such as aerospace and defense.
  2. Molybdenum-Tungsten (Mo-W): This alloy combines the strength and thermal conductivity of Molybdenum with the excellent mechanical properties of Tungsten, making it ideal for electrical and electronic components.
  3. Molybdenum-Rhenium (Mo-Re): The addition of Rhenium enhances Molybdenum’s ductility and high-temperature performance, making it suitable for applications in aerospace propulsion systems.
  4. Molybdenum-Tungsten(MoCu): Molybdenum-copper is a composite material consisting of molybdenum and copper. It possesses properties similar to tungsten copper and offers adjustable coefficients of thermal expansion and thermal conductivity. However, molybdenum-copper has a lower density compared to tungsten-copper, making it more suitable for aerospace and other applications. This product exhibits high purity, uniform structure, and excellent performance.

Metal Etching Molybdenum

Metal etching is an essential process used to shape, pattern, or remove material from Molybdenum surfaces. Wet etching, using metal etching machines, is commonly employed for this purpose. The choice of a suitable etchant depends on the desired results and the processing difficulty involved. Common etchants for Molybdenum include Hydrofluoric Acid (HF), Ferric Chloride Etchant, and Cupric Chloride Etchant. Proper handling and safety precautions are essential due to their corrosive nature.

One of the recommended alkaline etchants for molybdenum etching is a solution of Sodium Hydroxide (NaOH). Sodium Hydroxide is a strong base and can effectively be etching molybdenum by removing thin layers of the material.

The etching process with Sodium Hydroxide is generally done at elevated temperatures to increase its effectiveness. However, it’s essential to handle Sodium Hydroxide with care as it is caustic and can cause skin and eye irritation. Appropriate safety measures, including protective equipment and proper ventilation, should be used when working with Sodium Hydroxide for molybdenum etching.

Molybdenum etching equipment

Molybdenum etching equipment

Photo Etching Molybdenum

Photo etching, or chemical milling, offers precise and intricate patterns on Molybdenum surfaces. The process involves using light-sensitive masks to protect specific areas while etching the exposed regions. Skilled expertise is crucial to achieving the desired precision in the final product, and careful handling of the photoresist is necessary to ensure accurate pattern transfer.

Precision machining of metal Molybdenum materials opens the door to endless possibilities in advanced technologies. Understanding the different types and alloys of Molybdenum, along with exploring the complexities of electroforming, surface treatment, metal cleansing, and etching processes, allows manufacturers and engineers to harness the full potential of this remarkable material. By selecting the most suitable processes and adhering to necessary precautions, Molybdenum materials can continue to drive innovation, enhance performance, and push the boundaries of modern engineering across various industries.

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how to etch Molybdenum?

Etching Molybdenum Process Guidelines

Metal AlloyEtchantEtching Temperature (°C)Etching Concentration (%)Estimated Etching Depth (microns)Etching Quality
Etching Pure MolybdenumHydrofluoric Acid (HF)Room temperature5% HF10-40High-quality (smooth)
Etching Molybdenum-TungstenFerric Chloride EtchantRoom temperature10% FeCl310-50High-quality (smooth)
Etching Molybdenum-Rhenium (Mo-Re)Cupric Chloride EtchantRoom temperature10% CuCl210-50High-quality (smooth)
Etching Molybdenum-Tungsten (MoCu)Sodium Hydroxide (NaOH)Room temperature10-20% NaOH10-50High-quality (smooth)
Etching Molybdenum Process Guidelines

The values provided are approximate and can vary depending on specific etching conditions, including exposure time and the condition of the molybdenum or molybdenum alloy surface. Always conduct test etches and adjust parameters as needed to achieve your desired results. Additionally, safety precautions should be followed when handling these chemicals, especially in the case of Hydrofluoric Acid.

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