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| Al-Si镀层热成形零件表面颜色差异性研究 |
| Research on Surface Color Difference of Hot Stamping Part for Al-Si Coating |
| Received:October 10, 2017 Revised:November 10, 2017 |
| DOI：10.3969/j.issn.1674-6457.2017.06.019 |
| 中文关键词: Al-Si镀层 锌基镀层 热成形 表面颜色差异 |
| 英文关键词: Al-Si coating Zn coating hot stamping surface color difference |
| 基金项目: |
| Author Name | Affiliation | | SHAN Ming-dong | Shanghai Baosteel High-Tech Auto Parts Co., Ltd., Shanghai 201908, China | | XIA Yi-xin | Shanghai Baosteel High-Tech Auto Parts Co., Ltd., Shanghai 201908, China | | WANG Na | Shanghai Baosteel High-Tech Auto Parts Co., Ltd., Shanghai 201908, China | | LIU Hai-tao | Shanghai Baosteel High-Tech Auto Parts Co., Ltd., Shanghai 201908, China | | CAO Qi | Shanghai Baosteel High-Tech Auto Parts Co., Ltd., Shanghai 201908, China | | ZHANG Dan-rong | Shanghai Baosteel International Economic & Trading Co., Ltd., Shanghai 200122, China |
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| 中文摘要: |
| 目的 研究加热温度、加热时间等工艺参数对Al-Si镀层材料在热成形过程中存在的表面颜色差异、镀层厚度和扩散层厚度的影响规律，及影响零件表面颜色差异的主要原因。方法 在不同加热时间及加热温度条件下，对厚度为1.0 mm的新日铁Al-Si镀层材料进行热冲压试验，测量热成形零件的镀层厚度和扩散层厚度，并对典型不同颜色零件表面进行SEM及EDS分析研究。结果 Al-Si镀层热成形零件表面颜色与加热温度和加热时间存在较好的对应关系，同时镀层厚度及扩散层厚度随着加热时间的增加及加热温度的提高而增大，Al-Si镀层热成形零件表面的颜色与镀层中不同铁氧化物的混合比例存在较好的对应一致性。结论 Al-Si镀层热成形零件表面颜色的状态可以间接反应镀层厚度及扩散层厚度。 |
| 英文摘要: |
| The paper aims to study influences of technological parameters such as heating temperature and heating time on surface color differences of Al-Si coating material, influencing law on thickness of coating and inter-diffusion layer in hot stamping, and reasons of color difference on the surface of parts. The hot stamping test was carried out with 1.0 mm thick Al - Si coating material from Nippon Steel at different heating time and heating temperatures; and then the coating thickness and the inter-diffusion layer thickness of hot forming parts were measured; and the typical different surface color parts were analyzed and researched by SEM and EDS. There was a good correspondence relationship between surface color of Al-Si coating hot stamping parts and heating temperature & heating time. At the same time, the thickness of the coating and the inter-diffusion layer increased with the increase of heating time and heating temperature; and there was a good correspondence relationship between the hot stamping parts surface color with Al-Si coating and the mix proportion of different iron oxides during coating. The surface color of the hot stamping parts with Al-Si coating can indirectly reflect thickness of the coating and the inter-diffusion layer. |
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