Effect of Hot Galvanizing Process on Surface Defect of Galvanized Steel Plate for Automobile

宋新莉; 袁泽喜; 王迪

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Effect of Hot Galvanizing Process on Surface Defect of Galvanized Steel Plate for Automobile

更新时间：2026-01-21

- Effect of Hot Galvanizing Process on Surface Defect of Galvanized Steel Plate for Automobile
- Special Steel Vol. 30, Issue 3, Pages: 48-49(2009)
- 作者机构：
  
  武汉科技大学材料与冶金学院,武汉,430081
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：12 November 2008，
  
  Online First：24 November 2022，
  
  Published：24 November 2009
- 稿件说明：
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宋新莉, 袁泽喜, 王迪. Effect of Hot Galvanizing Process on Surface Defect of Galvanized Steel Plate for Automobile[J]. Special Steel, 2009, 30(3): 48-49.
DOI：

宋新莉, 袁泽喜, 王迪. Effect of Hot Galvanizing Process on Surface Defect of Galvanized Steel Plate for Automobile[J]. Special Steel, 2009, 30(3): 48-49. DOI：

摘要

用扫描电镜和能谱分析研究了热镀锌板(%:0.001 5C、0.004P、0.005S、0.02A1、0.04Ti)表面平行的条状凸起缺陷

得出镀锌层表面有黑斑、微裂纹、贝壳状花纹、划伤痕迹及氧化皮等缺陷。分析表明

锌液中Sb含量偏高

增加锌层脆性;锌液中Al含量偏高

锌液温度低

以及镀锌前钢板划伤和氧化铁清洗不完全导致产生表面缺陷。

Abstract

Parallel convex strip defect at surface of hot galvanized steel plate ( % : 0.001 5 C

0. 004P

0. 005S

0. 02A1

0. 04Ti) has been studied by SEM and EDS

and it was obtained that the defect included black spot

microcrack

conchiform pattern

scratch trace and scale. Analyzed results showed that higher Sb content in galvanizing solution to increase brittleness of galvanized layer

higher Al content in galvanizing solution and lower temperature of solution

and retaining scratch defect and un-removed scale led to formation of surface defect of galvanized plate.

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