| About this Abstract |
| Meeting |
MS&T24: Materials Science & Technology
|
| Symposium
|
Additive Manufacturing Modeling, Simulation, and Machine Learning: Microstructure, Mechanics, and Process
|
| Presentation Title |
Tailoring Distortion and Residual Stresses Using Hybrid Additive and Subtractive Approach |
| Author(s) |
Wen Dong, Chris Masuo, William Carter, Blane Fillingim, Bhagya Prabhune, Thomas Feldhausen, Andrzej Nycz, Srdjan Simunovic, Yousub Lee |
| On-Site Speaker (Planned) |
Wen Dong |
| Abstract Scope |
Hybrid manufacturing, which combines additive and subtractive techniques in a single machine, has recently drawn lots of attention. Compared to traditional single-technique approaches, it can create complex geometries more efficiently with reduced material waste and production time. One challenge in hybrid manufacturing is that both additive and subtractive processes impose significant thermal and mechanical loads on the part, causing complex stress and distortion variations during the fabrication. This work introduces a novel hybrid manufacturing approach incorporating sacrificial structures. It aims to control the residual stress distribution and improve dimensional accuracy in the as-printed part by optimizing the arrangement of sacrificial structures and the sequence of additive and subtractive operations. The effectiveness of this method is demonstrated through both numerical simulations and experimental validations. |