Titanium aluminides (TiAl) are interesting intermetallic materials to study due to their enhanced high temperature and light weight properties. They are necessary as structural materials, but brittle to form with conventional methods. Hence big corporates are interested in developments that will lead to cost effective manufacturing technologies that are able to produce homogenous, defect free TiAl structures. Additive manufacturing is one promising technology hence it was explored here in studying process development of producing TNB alloy using laser in-situ alloying approach. The produced alloy, -TNB, appeared to be homogeneous after heat-treatment and had hardness of 576HV.
Reference:
Tlotleng, M. and Pityana, S.L. 2017. In-situ alloyed LENS additively manufactured TiAl-Nb structure. 18th Annual International Rapid Product Development Association of South Africa (RAPDASA), Durban ICC, South Africa, 7-10 November 2017, p. 251-258
Tlotleng, M., & Pityana, S. L. (2017). In-situ alloyed LENS additively manufactured TiAl-Nb structure. Rapid Product Development Association of South Africa (RAPDASA). http://hdl.handle.net/10204/9855
Tlotleng, Monnamme, and Sisa L Pityana. "In-situ alloyed LENS additively manufactured TiAl-Nb structure." (2017): http://hdl.handle.net/10204/9855
Tlotleng M, Pityana SL, In-situ alloyed LENS additively manufactured TiAl-Nb structure; Rapid Product Development Association of South Africa (RAPDASA); 2017. http://hdl.handle.net/10204/9855 .
Paper presented at the 18th Annual International Rapid Product Development Association of South Africa (RAPDASA), Durban ICC, Durban, South Africa, 7-10 November 2017
