在并行双分支管水力成型中改善可成型性,并与预成型和压碎工艺相结合
Mingtao Chen1, Jinhao Hu1, Yunya Xiao1
1School of Intelligent Engineering, Shaoguan University, Shaoguan 512005, China.
Materials (Basel, Switzerland)
|March 28, 2024
概括
新型管道水成型与预成型和粉碎 (THPC) 工艺相结合,显著提高了平行双分支管道制造. 这种方法改善了与传统的管道水成型相比的分支高度和破裂压力.
科学领域:
- 制造业 工程 制造工程
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
背景情况:
- 液压成型并行双分支管道面临着材料积累的挑战,降低了分支高度.
- 传统的管道水形加工 (TTH) 由于物质阻塞,难以有效地填补分支区域.
研究的目的:
- 引入和评估一个管道水合成型与预成型和粉碎 (THPC) 过程相结合的工艺.
- 为了提高平行双分支管的可塑性和几何精度.
主要方法:
- 一个直径更大的空白管是通过平面化预先形成的,然后通过辐射压缩 (粉碎).
- 预先成型和粉碎的管经过水性成型,以创建平行双分支管.
- 进行了实验和数值模拟,将THPC与TTH进行比较.
主要成果:
- 与TTH相比,THPC工艺使分支高度增加了2.37倍.
- 使用THPC方法,管破压增加了27.5%.
- THPC工艺诱导工作硬化,改善材料流入分支管中的流量.
结论:
- THPC工艺有效地减轻了平行双分支管水成型中的材料积累问题.
- THPC显著提高了成型管的可塑性和结构完整性.
- 管道水合成型与预成型和粉碎相结合,是制造平行双分支管道的可行方法.
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