Determining the Mechanical Properties of Lattice Block Structures

Lattice block structures and shape memory alloys possess several traits ideal for solving intriguing new engineering problems in industries such as aerospace, military, and transportation. Recent testing at the NASA Glenn Research Center has investigated the material properties of lattice block structures cast from a conventional aerospace titanium alloy as well as lattice block structures cast from nickel-titanium shape memory alloy. The lattice block structures for both materials were sectioned into smaller subelements for tension and compression testing. The results from the cast conventional titanium material showed that the expected mechanical properties were maintained. The shape memory alloy material was found to be extremely brittle from the casting process and only compression testing was completed. Future shape memory alloy lattice block structures will utilize an adjusted material composition that will provide a better quality casting. The testing effort resulted in baseline mechanical property data from the conventional titanium material for comparison to shape memory alloy materials once suitable castings are available.

Name thesis:degree_name

Master of Science in Mechanical Engineering

Level thesis:degree_level

masters

Discipline thesis:degree_discipline

Fenn College of Engineering

Grantor dc:publisher

Cleveland State University

Year dc:date

2013

Author dc:creator

• Wilmoth, Nathan G.

Contributors dc:contributor

• Duffy, Stephen

• Aerospace Materials
• Engineering
• Mechanical Engineering
• lattice block structure
• LBS
• Ti-6-4
• shape memory alloy
• NiTi

Statement dc:rights

• unrestricted
• This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws.

Language dc:language

English

Repository record dc:identifier

http://rave.ohiolink.edu/etdc/view?acc_num=csu1366275566

OAI identifier oai:identifier

oai:etd.ohiolink.edu:csu1366275566