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对S1100QL和S1300QL钢的并联接 (Fronius TPS/i - TWIN) 的影响分析
Mateusz Karczewski1, Krzysztof Mroczka2, Sławomir Parzych2
1Faculty of Materials Engineering and Physics, CUT Doctoral School, Cracow University of Technology, Warszawska 24 Str., 31-155 Kraków, Poland.
Materials (Basel, Switzerland)
|June 13, 2025
概括
在S1100QL和S1300QL钢的并列接中,可以创建强大的不同接头. 80厘米/分钟的最佳接速度确保了良好的冲击能量和微观结构,即使在低温下也是如此.
科学领域:
- 金与材料科学 金与材料科学
- 先进的高强度钢 (AHSS) 是一种高强度钢.
- 接工程 接工程
背景情况:
- S1100QL和S1300QL是细粒度,低碳的马氏体钢.
- 不同厚度的不同接头需要仔细控制接过程.
- 了解受热影响区域 (HAZ) 对关节完整性至关重要.
研究的目的:
- 为了研究串联接对不同S1100QL和S1300QL钢接头的影响.
- 分析温度变化,宏观/微观结构和HAZ中的属性.
- 为了确定关节质量的最佳接速度.
主要方法:
- 在S1100QL和S1300QL钢材元件中进行并列接 (TWIN).
- 在HAZ中分析温度变化和冷却时间 (t8/5).
- 关节的宏观结构和微观结构检查.
- 机械性能测试 (冲击能量,硬度).
- 热循环模拟. 热循环模拟.
主要成果:
- 协奏接过程在测试速度 (80-100厘米/分钟) 中稳定.
- 根据稳定性和性能确定最佳接速度为80厘米/分钟.
- 随着冷却速度的变化,HAZ的微观结构发生了变化:观察到马氏体,低贝氏体和炼马氏体.
- 撞击能量在所有速度下,在-40°C时始终超过27 J.
- 与基础材料相比,接区的硬度较低.
结论:
- 串联接是一种可行的方法,可以在S1100QL和S1300QL钢中创建不相似的接头.
- 80厘米/分钟的接速度产生了有利的微观结构和机械性能.
- 关节在低温下保持足够的性,尽管有微观结构的变化.
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