在冷和制的无氧铜板中微观结构和质地演变
Jing Qin1,2,3,4, Xun Li4,5, Dongsheng Wang1,2,3,4
1School of Mechanical Engineering, Tongling University, Tongling 244000, China.
Materials (Basel, Switzerland)
|May 25, 2024
概括
无氧铜板的冷和回火影响微观结构和质地. 更高的减少促进铜和S纹理,而热温度影响再结晶,导致立方体纹理形成在87%的减少.
科学领域:
- 材料科学 材料科学 材料科学
- 金工业是金工业的一个方面.
- 物理金学 物理金学
背景情况:
- 了解金属的纹理演变对于预测机械性质至关重要.
- 无氧铜广泛用于电气和电子应用,需要控制的微观结构特性.
研究的目的:
- 研究冷减速和热温度的变化对无氧铜板的微观结构和质感的影响.
- 为了将变形和再结晶纹理与加工参数相关联.
主要方法:
- 商用无氧铜板经过冷 (减少20-87%) 和回火 (400-600°C).
- 使用光学显微镜 (OM),扫描电子显微镜 (SEM) 和电子反散衍射 (EBSD) 分析了微观结构和纹理演变.
主要成果:
- 变形纹理 ({123}<634>S,{112}<111>铜,{110}<112>黄铜) 随着冷减速的增加而加剧.
- 重结晶质地高度依赖于先前的冷缩减;在回火后87%的缩减形成了强大的立方体质地.
- 化温度影响了纹理组件强度和化双边界密度,随着温度的上升而降低.
结论:
- 强大的铜和S变形纹理有助于在无氧铜中形成强大的立方体化纹理.
- 增加冷减少导致火双边界的密度更高.
- 处理参数显著控制最终的微观结构和纹理,影响材料特性.
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