The 15th World Conference on Titanium included papers on titanium alloy development, efforts to reduce Ti powder costs, additive manufacturing, and computational materials modeling tools. This article reviews some of the key advances reported at the conference.

Creep strain behavior during cooling was investigated by physical simulation, giving insight into the relationship of flow stress behavior and microstructure as a function of temperature and cooling rate.

This article, the second in a two-part series on titanium alloys, examines the effects of microtexture on deformation behavior, slip dislocations, and fatigue properties. Part I, which appeared in the April 2021 issue, described microstructural evolution processes that result in microtexture formation.

The fraction and size of pores present in EBM Ti-6Al-4V specimens varies depending on the melting strategy used, whether linear raster melting or point melting.

The aerospace industry could benefit from recent progress in making near net shape titanium extrusions for applications beyond the long structural components of an aircraft.

Despite decades of research, fundamental questions still exist regarding the role of microtexture on the deformation, fatigue, and fracture behavior of titanium alloys. This article describes the microstructural evolution processes that result in microtexture formation, while Part II of this series will further elaborate on the effects of microtexture on deformation behavior.

Case studies from a range of industries illustrate how advanced additive manufacturing capabilities optimize both material performance and value. The materials discussed are Inconel 718, Ti-6Al-4V, aluminum F357, and Hastelloy X.

High-strength, corrosion-resistant steel is proposed as a cost-effective alternative to titanium alloys due to its high specific strength, high fatigue strength, good toughness, and corrosion resistance.

A chance discovery is enabling significant efficiency gains in titanium conditioning, one of the most costly steps in titanium metal production.

New methods for processing titanium alloys offer the potential to enhance mechanical properties while reducing component cost. This article discusses innovative and potentially lower cost fabrication processes including additive manufacturing (AM), superplastic forming/diffusion, hot isostatic pressing (HIP) near-net shapes from prealloyed powder, injection molding, rapid solidification, mechanical alloying, and thermohydrogen processing.

Among the structural materials developed in the 20th century, titanium and its alloys have played a leading role in improving component performance. This article discusses development of new production techniques, specifications, economic aspects, and applications that have enabled the current applications of titanium alloys.

Among the structural materials developed in the 20th century, titanium and its alloys have played a leading role in improving component performance. This article provides background on the extraction and primary processing of titanium.

Fabrication of aerospace components using additive manufacturing (AM) has matured to the point where part microstructures and mechanical properties compare well with those of conventionally produced material. This article looks at characteristics of AM methods, post-processing of AM parts, and AM part properties.

Fabrication of aerospace components using additive manufacturing (AM) has matured to the point where part microstructures and mechanical properties compare well with those of conventionally produced material. This article discusses the basics of AM, part design considerations, CAD models, and build and powder removal considerations.

Developments in titanium technology and opportunities for increased use in several markets were highlighted at the 13th World Conference on Titanium. This article reviews some of the key technical topics covered at the conference, including new alloy development and innovative characterization methods.

High-speed, high-fidelity techniques used to analyze texture and dislocation content enable greater understanding of the influence of texture on deformation of titanium alloys than previously possible. This article describes a study in which specimens were examined using graphical slip band analysis to understand the influence of microstructure, alloy content, and loading orientation on the surface deformation response of titanium.

Vacuum heat treating is a crucial step in the additive manufacturing process cycle to meet required part quality specifications.

Understanding detrimental alpha case formation during heat treatment of titanium parts is increasingly important as titanium use in aerospace and medical applications continues to grow.

Field assisted sintering technology (FAST) enables cost-effective manufacturing of metal, ceramic, and composite components with sub-micron grain microstructures and tailored properties.

This communication is a response to the April 2015 Metallurgy Lane article, Titanium, Part II, by Charles Simcoe. This present piece offers differing historical evidence about the development and commercialization of titanium alloys, including discussion of the patent office proceedings that resulted in the Ti-6Al-4V alloy patent.