为土木工程应用优化WAAM结构选择参数
Saham Sadat Sharifi1, Sebastian Fritsche1, Christoph Holzinger2
1Institute of Materials Science, Joining and Forming at Graz University of Technology, Kopernikusgasse 24/I, 8010 Graz, Austria.
Materials (Basel, Switzerland)
|July 14, 2023
概括
电缆弧增材制造 (WAAM) 采用冷金属转移 (CMT) 接,可以节省钢制部件的制造资源. 本研究探讨了优化增材制造的几何可能性,工艺参数和联合特性.
科学领域:
- 材料科学与工程 材料科学与工程
- 制造业 制造技术 制造技术
- 接工程 接工程
背景情况:
- 增材制造为减法方法提供了节约资源的替代方案.
- 用冷金属转移 (CMT) 进行线弧增材制造 (WAAM) 在钢制部件制造方面正在探索.
- 通过WAAM加强现有的钢构件是一个关键的应用.
研究的目的:
- 为了研究CMT-WAAM过程的几何能力.
- 分析工艺参数对形状和积聚率的影响.
- 评估制造的钢制部件的微观结构和关节特性.
主要方法:
- 金属学和硬度测试用于微观结构的评估.
- 工艺参数,如电线输入速度,行驶速度和火倾斜率,各不相同.
- 使用微硬度分析来确定关节特性.
主要成果:
- 该研究介绍了各种参数对形状和积聚率的影响.
- 基于最初的发现,开发了印刷策略.
- 推的过程参数集优化了能量输入,接完整性和硬度分布.
- 钢材质量等价物是根据 ÖNORM EN ISO 18265.5 的定义.
结论:
- CMT-WAAM为钢件制造提供了重要的几何可能性.
- 优化的工艺参数对于实现所需的材料性能和组件完整性至关重要.
- 这项研究为在增材制造中开发定制的印刷策略和材料表征提供了基础.
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