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Abstract
This article has discussed the basic overview and characteristics of ferronickel-chromium and ferronickel-joining alloys (YB/T5235-1993). It is found that these materials are widely used for structural, automotive and electronic applications due to their characteristic properties such as corrosion resistance, thermal conductivity, electrical conductivity, strength and ductility. The properties of these materials make them afford good welding, brazing and soldering performance. In addition, the article also discussed some of the processes used to fabricate these materials.
Introduction
Ferronickel-chromium and ferronickel-joining alloys (YB/T5235-1993) are widely used for various applications, from aerospace components to automotive parts and even electronic circuitry. These materials are popular because of their excellent mechanical and cost-effective properties. Ferronickel-chromium alloys are made of nickel and chromium, which have outstanding properties such as corrosion resistance, electrical and thermal conductivity, and strength.
The primary reason for the use of ferronickel-chromium and ferronickel-joining alloys is their ability to be thermomechanically processable. They have very good thermal conductivity and electrical conductivity, allowing them to be welded, joined, and brazed without losing their desired characteristics. The strength of these materials is also exceptional, making them extremely tolerant of high temperatures, pressures, and mechanical stress.
Another unique property of ferronickel-chromiums and ferronickel-joining alloys is their ductile characteristic, which allows them to be formed into complex shapes without requiring too much post-weld machining. This is especially beneficial when fabricating components where an intricate shape is needed.
Processes For Ferronickel-Chromiums and Ferronickel-Joining Alloys
One of the most common processes used to fabricate ferronickel-chromiums and ferronickel-joining alloys is electric-arc welding. This process is a form of fusion welding that uses an electric arc to heat up the material. Once the material has reached the correct welding temperature, a filler material is then added, creating a strong and consistent welded joint. Another popular process for welding ferronickel-chromiums and ferronickel-joining alloys is gas metal arc welding (GMAW). This process is similar to electric arc welding but uses a shielded metal-arc electrode to form the weld joint. In addition, GMAW is slightly more forgiving than electric arc welding because it produces fewer slag defects than electric arc welding.
Brazing is another common method for fabricating ferronickel-chromiums and ferronickel-joining alloys. This process uses a metal filler material which melts at a much lower temperature than the metal being brazed, allowing it to bond the two pieces together without melting the base metal. Brazing can be used in combination with welding to allow for pre-fabrication of components and then assembly on site or in the field.
In addition to welds and brazes, ferronickel-chromiums and ferronickel-joining alloys can be soldered for joining. Soldering typically uses a metal-based flux that is heated until it becomes a liquid. The liquid flux then acts as an adhesive, allowing pieces to be joined together without creating a brittle joint. This method is ideal for fine electrical connections and is gaining traction in the industry due to its versatility and low cost.
Conclusion
To conclude, ferronickel-chromiums and ferronickel-joining alloys are excellent materials for fabricating complex parts for structural, automotive, and electronic applications. Their exceptional properties such as corrosion resistance, thermal conductivity, electrical conductivity, strength, and ductility make them highly desirable materials. In addition, the various processes used to fabricate these materials can be tailored to meet specific requirements and budgets. By understanding the processes used to fabricate these materials, one can maximize their use and minimize costs.
