Easy-to-understand FAQ Series Q&A 2
This is Part 2 of frequently asked questions about brazing. This time's question is: Q. Please tell me which metals are easy and difficult to braze! Answer: The difficulty level changes depending on the strength of the oxide film. Strong oxide film → difficult to braze Weak oxide film → easy to braze For more details, please download the PDF document.
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"Brazing" is a technique that involves flowing "molten metal filler" between base materials and cooling it to join them. The base materials and the filler are firmly bonded at the atomic level. 【Brazing is a familiar joining technology】 Brazing is used in parts for automobiles, air conditioners, gas water heaters, tools, and more. It is widely useful in fields such as machining and pipe processing. 【Advantages of Brazing】 ● Can join thin sheets and achieve precise connections ● Can join multiple points simultaneously ● Can join dissimilar metals and non-metals ● Can create complex shapes that cannot be made through cutting or grinding ● Can achieve high airtightness in joints While "welding" is a technique that joins materials by melting the base material, "brazing" is a technique that joins materials with little to no melting of the base material, making it suitable for joining delicate parts such as small items and thin sheets.