Journal
MATERIALS AND MANUFACTURING PROCESSES
Volume 26, Issue 2, Pages 311-318Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10426914.2010.544806
Keywords
Commercially pure titanium; GMAW-P welding; Structural members; Titanium alloy; Welded built-up beams
Funding
- U.S. Army (Picatinny Arsenal, New Jersey, USA) through the Defense Metals Technology Center (DMTC), North Canton, Ohio, USA
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A noticeable reduction in the cost of structural components made from titanium, both commercially pure and the alloy counterpart is possible with the concept of built-up welded fabrication. Rolled sheets of the titanium material can be welded together to fabricate a built-up structural component without having to machine the part from a large billet. In this paper, the results of a recent feasibility study on the manufacturing of welded built-up I-beams for large structural applications are presented and discussed. The fillet welds were produced using the pulsed Gas Metal Arc Welding (GMAW-P) process. Commercially pure titanium (Grade 2) and a titanium alloy (Ti-6Al-4V) were the two materials chosen for the study. The specific details of the welding process are highlighted along with a discussion of the successful implementation of the concept of built-up welded beams for the manufacture of large structural elements and components of titanium.
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