简述了铜及铜合金着色的原理.总结了铜及铜合金着黑色、褐色、绿色、蓝色的工艺配方及操作条件,介绍了手工点涂铜绿(铜锈)、双色点蚀(先着黑色再点蚀铜绿)、套色、着土黄铜绿色等多种特殊的着色工艺.%The principle of coloring of copper and copper alloys was described. The process formulations and operation conditions for obtaining black, brown, green, and blue colors on copper and copper alloys were summarized. Some special coloring processes were introduced, such as spot coating to form patina (green corrosion products of copper), black coloring followed by spot corrosion to form two tones, covering with another color on a previously colored workpiece, and successive coloring with khaki and green.
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