Development of Steel Wire for Spring that Changes Color in Manufacturing Process.
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概要
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In order to distinguish easily between wire springs of similar configuration with different sizes or materials, there have been intense requirements for coloring of steel wire for spring. This paper reports our development of steel wire for spring which has mechanical properties equivalent to those of hard drawn steel wire and excellent corrosion resistance, and which develops golden color at the low-temperature tempering process that is indispensable after spring-forming process. Thus, the distinction between spring products can be made easily.Described below is the summary:(1) Copper and zinc plated on wire surface diffuse reciprocally while low-temperature tempering, and then the layer is alloyed to develop golden color.(2) Mechanical properties are not deteriorated by the above platings.
- 日本ばね学会の論文
日本ばね学会 | 論文
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