Hainan Port AL-2 Aluminum Alloy Sacrificial Anode Price Aluminum alloys are prone to absorbing gases, which is a primary characteristic of cast aluminum alloys. The hydrogen gas, produced by reactions between the components of liquid aluminum and aluminum alloys with moisture from furnace charge, combustion products of organic materials, and molds, is absorbed by the molten aluminum.
The higher the temperature of the aluminum alloy melt, the more hydrogen it absorbs; at 700°C, the solubility of hydrogen in every 100g of aluminum is 0.5 to 0.9. When the temperature rises to 850°C, the solubility of hydrogen increases by 2 to 3 times. When alkali metal impurities are present, the solubility of hydrogen in the molten aluminum significantly increases.

Hainan Port AL-2 Aluminum Alloy Sacrificial Anode Price In addition to gas absorption during melting, cast aluminum alloys also absorb gas when poured into the mold. As the molten metal inside the mold cools, the solubility of gases decreases, causing excess gas to precipitate. Some of the gas that cannot escape remains in the casting, forming pores, commonly referred to as "pinholes." Sometimes, gas combines with shrinkage cavities, with the gas precipitated from the molten aluminum remaining in the shrinkage cavities. If the pressure generated by the gas bubbles is high, the pore surface is smooth, surrounded by a bright layer; if the pressure is low, the inner surface of the pore is wrinkled, resembling "fly legs," and upon closer inspection, it exhibits characteristics of shrinkage cavities. The higher the hydrogen content in the cast aluminum alloy melt, the more pinholes form in the casting. Pinholes in aluminum castings not only reduce the air tightness and corrosion resistance of the castings but also diminish the mechanical properties of the alloy. The key to obtaining aluminum castings with few or no pores lies in the melting conditions. If a covering agent is added during melting to provide protection, gas absorption by the alloy is significantly reduced. Refining the aluminum melt can effectively control the hydrogen content in the molten aluminum.

Hainan Port AL-2 Aluminum Alloy Sacrificial Anode Price Introduction: Jiaozuo Libo Light Alloy Co., Ltd. produces and sells sacrificial anodes. All anode specifications and dimensions are strictly manufactured step by step according to the requirements and compositions provided by customers. Each anode undergoes rigorous inspection by quality control personnel, with an attractive appearance and composition verified by third-party testing. The company also offers free material design assistance, technical guidance, and installation instructions for anodes. The sacrificial anodes produced have gained recognition from many customers, with prompt feedback and timely resolution of any issues. We serve every customer with a smile, as our customers are the driving force behind our company's development. Thank you for your support, and we look forward to cooperating with you. You can trust us, and we await your call.

Hello, I am from Jiaozuo Libo Light Alloy Co., Ltd., specializing in the production of: magnesium anodes, aluminum anodes, zinc anodes, zinc ribbons, magnesium ribbons, test stations, reference electrodes, deep well anodes, potentiostats, auxiliary anodes, cathodic protection construction, cathodic protection配套 products, couplers, etc.