Accession Number:

ADA548319

Title:

An Overview of Ni Base Additive Fabrication Technologies for Aerospace Applications (Preprint)

Descriptive Note:

Conference paper preprint

Corporate Author:

GENERAL ELECTRIC CO CINCINNATI OH GE AVIATION

Report Date:

2011-03-01

Pagination or Media Count:

0.0

Abstract:

The cost of aerospace components is often significantly increased due to the amount of material over and above the finished geometry that must be removed during manufacturing. This results in a substantial conversion cost needed to generate the final component. It is not uncommon to machine away 90 or more of the initial input shape, thereby increasing cost, cycle time and other overhead costs. Additive manufacturing includes an umbrella of technologies that can be used to dramatically reduce the BTF ratio, resulting in lower cost and manufacturing cycle time. An overview of additive manufacturing technologies and their fit into aero engine manufacturing will be presented. Advantages and disadvantages of the technologies will be discussed. Development work will be presented with commonly used aerospace materials. Preliminary mechanical property results and cost modeling will be presented. Near-term equipment and process development needs will be addressed.

Subject Categories:

  • Fabrication Metallurgy
  • Manufacturing and Industrial Engineering and Control of Production Systems
  • Research and Experimental Aircraft
  • Unmanned Spacecraft

Distribution Statement:

APPROVED FOR PUBLIC RELEASE