Comparison of IN 718 AM and Traditional Buk Specimens Under High Energy Impact with an Additional Study of 3D Lattice AM Specimens
Abstract
This research is an investigation of additive manufactured (AM) specimens under impact loading creating viscoplastic strains and failure. A comparison will be made to the same material but in bulk (traditional) form. In the first section a study is to be carried out comparing bulk IN 718 specimens to ones produced by additive manufacturing. The effort will investigate the differences between the two types of manufactured specimens within a high energy environment. In order to make the comparisons, functional expressions will be used based on the level of impact. In order to get a greater understanding of the variations between the specimens, an investigation of the micromechanical features present in the two types of specimens will be carried out. This investigation will try and see if it is possible to associate characteristics of the microstructural changes occurring in order to explain the difference between the AM versus Traditional structures response. This effort also endeavors to explore the relationship with material performance and heat treatment. Special emphasis toward this end will be included in the research study. In the second section, an investigation of the parameter used in the additive manufacturing process will be studied. If one were to change the manufacturing parameters such as laser power range with scan speed as opposed to laser power range with scan spacing does this matter when the specimen is placed under high energy impact.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Mar 06, 2024
- Source ID
- FA95502310380
Entities
People
- Anthony N. Palazotto
Organizations
- Air Force Office of Scientific Research
- United States Air Force
- Wright State University