Tin-nickel alloy plating solution used for plating neodymium iron boron permanent magnet material and method for plating neodymium iron boron permanent magnet material by adopting same
A technology of permanent magnet material and tin-nickel alloy is applied in the field of tin-nickel alloy plating solution, and the tin-nickel alloy plating solution is used for electroplating tin-nickel alloy on neodymium iron boron permanent magnet material, which can solve the problems of complicated process and reduce the operation process. , The effect of saving nickel metal and reducing thickness
Active Publication Date: 2011-07-06
BEIJING ZHONG KE SAN HUAN HI TECH +1
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Abstract
The invention provides a tin-nickel alloy plating solution used for plating neodymium iron boron permanent magnet material and a method for plating neodymium iron boron permanent magnet material by adopting the same. The method for plating neodymium iron boron permanent magnet material comprises the following steps of: polishing the surface of the neodymium iron boron permanent magnet material through mechanical vibration grinding; degreasing and deoiling the polished neodymium iron boron permanent magnet material with a mixed degreasing fluid of sodium phosphate, sodium phosphate and sodium hydroxide; pickling and derusting the neodymium iron boron permanent magnet material with a salpeter solution; activating the pickled neodymium iron boron permanent magnet material with a sulfuric acid solution; and plating a tin-nickel alloy film on the activated neodymium iron boron permanent magnet material in a tin-nickel alloy plating solution. The method for plating neodymium iron boron permanent magnet material not only can reduce the thickness of the plated film, but also can greatly improve the corrosion resistance of the neodymium iron boron permanent magnet material.
Technology Topic
CorrosionNeodymium iron boron +8
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