In situ deformation behavior of laser additive manufacturing Ti–6Al–4V alloy at room and high temperatures: A review
Source abstract
Abstract
The use of laser directed melting deposited (LDMD) Ti–6Al–4V alloys is mostly seen in the field of aeronautics. Clearly demonstrating the deformation method as a function of application conditions is of utmost importance. The objective of this study was to investigate the mechanical characteristics and dynamic substructure formation of LDMD (Ti–6Al–4V) alloys at different temperatures, namely 23, 650, and 200 °C. This review study examines the mechanisms of deformation at both low and high temperatures. Tensile testing was conducted in situ using scanning electron microscopy to examine the onset and progression of fractures. At temperatures of 23 and 650 °C, the experimental findings demonstrated a strength decrease and elongation increase at the climbed temperature. At a temperature of 200 °C, the microstructure of the sample was composed of inclined α-plates oriented in the direction of construction and columnar β-grains with zigzag grain borders, according to the results. Consequently, when the temperature was increased to 200 °C, a greater degree of elongation and a decrease in cross-sectional area were observed compared to the conditions at ambient temperature.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Additive Manufacturing Materials and Processes · Additive Manufacturing and 3D Printing Technologies · Titanium Alloys Microstructure and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Faculty of Material and Manufacturing, Beijing University of Technology 1 , Beijing 100124,
School of Energy and Power Engineering, Jiangsu University 2 , Zhenjiang 212013,
Faculty of Exact and Natural Sciences, School of Physical Sciences and Mathematics, Pontifical Catholic University of Ecuador 3 , Av. 12 de Octubre 1076 y Roca, Apartado, Quito 17-01-2184,
Department of Mathematics, College of Science, Northern Border University 4 , Arar,
Funding
Northern Border University
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