影响扩散结合强度的因素,如结合多层不钢316L和430堆所示
Da-Wei Liu1, Chun-Nan Lin2, Wei-Shuai Lin1
1Department of Mechanical Engineering, National Central University, Taoyuan City 32001, Taiwan.
Materials (Basel, Switzerland)
|August 10, 2024
概括
确定了多层不钢316L和430堆的优化扩散粘合参数. 这项研究发现了为创建紧型热交换机的强大,经济高效的不钢核心的最佳条件.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 制造过程 制造过程 制造过程
背景情况:
- 扩散粘合是制造多层金属元件的关键过程.
- 优化粘合参数对于实现所需的材料性能和关节完整性至关重要.
- 不钢316L和430广泛用于各种工业应用,包括换热器.
研究的目的:
- 为了优化多层不钢316L和430堆的扩散粘合参数.
- 为了研究粘合温度,时间和压力对粘合区的抗拉强度的影响.
- 确定扩散粘合适用于生产紧型热交换器中不钢芯的适用性.
主要方法:
- 制造十二层不钢板材 (55mm × 55mm × 3mm 和 100mm × 50mm × 3mm).
- 在不同的条件下进行扩散粘合:温度 (10001048 °C),时间 (1560 分钟),压力 (1025.3 MPa),真空环境下.
- 通过多轴拉伸强度测试对粘合反应的评估.
主要成果:
- 确定了优化的扩散粘合参数 (条件G2C:1048°C/25.3 MPa/15分钟).
- 实现了高拉伸强度,可与单体标本相比较.
- 不钢430表现出比不钢316L更高的压缩爬行率,但压缩性没有影响粘合强度.
结论:
- 优化的扩散粘合参数适用于生产SS316L不钢核心用于紧型换热器.
- 扩散粘合提供了优越的粘合质量和在热交换机制造中的潜在成本降低.
- 该研究证明了优化扩散结合在工业应用中的实用性.
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