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Macrostructure and Mechanical Behavior of Inconel 718 Superalloy Fabricated by a Blown Powder Laser Deposition Additive Manufacturing Process

机译:吹塑粉末激光沉积添加剂制造工艺制备的Inconel 718高温合金的宏观结构和力学行为

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摘要

Additive manufacturing (AM) has become a process of great interest to the aerospace world for its potential of fabricating near net shape parts with unique complex geometries. As certain components are being proven to be able to be manufactured with suitable material properties on smaller scale systems, engineers are looking to scale up the size of manufactured components for larger systems. While powder bed AM is limited to the size of components that can be built in the box, other methods can be used to print larger components. This study looks at blown powder AM which is scalable to larger structures.;This thesis evaluates the material property data and characterization of an Inconel 718 superalloy fabricated using a blown powder laser deposition (BPLD) AM process. A detailed metallographic evaluation was made of the resulting macrostructure. Tension and fatigue tests were used to determine the mechanical properties of the material.
机译:增材制造(AM)由于其制造具有独特复杂几何形状的近净形零件的潜力而成为航空航天界非常感兴趣的过程。事实证明,某些组件可以在较小规模的系统上以适当的材料特性进行制造,因此工程师正在寻求扩大大型系统的制造组件的尺寸。虽然粉末床AM限于可以在盒子中内置的组件的大小,但可以使用其他方法来打印较大的组件。本研究着眼于可扩展至更大结构的吹塑粉末AM。本文对使用吹塑粉末激光沉积(BPLD)AM工艺制造的Inconel 718高温合金的材料性能数据和性能进行了评估。对所得的宏观结构进行了详细的金相评估。拉伸和疲劳测试用于确定材料的机械性能。

著录项

  • 作者

    Hill, Chris.;

  • 作者单位

    The University of Alabama in Huntsville.;

  • 授予单位 The University of Alabama in Huntsville.;
  • 学科 Mechanical engineering.;Materials science.;Aerospace engineering.
  • 学位 M.S.E.
  • 年度 2018
  • 页码 78 p.
  • 总页数 78
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 TS97-4;
  • 关键词

  • 入库时间 2022-08-17 11:53:12

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