Research on Microstructure and Mechanical Properties of Ti-1023 Alloy by Selective Laser Melting

Ziwei Yang; Junqiang Xu; Shun Guo; Wendi Wu; Qi Zhou

doi:10.3788/CJL230729

Chinese Journal of Lasers, Volume. 50, Issue 24, 2402306(2023)

Research on Microstructure and Mechanical Properties of Ti-1023 Alloy by Selective Laser Melting

Ziwei Yang^1,2, Junqiang Xu^1,2, Shun Guo^1,2, Wendi Wu^1,2, and Qi Zhou^1,2、*

¹School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China

²Key Laboratory of Controlled Arc Intelligent Additive Manufacturing Technology, Ministry of Industry and Information Technology, Nanjing 210094, Jiangsu, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(10)

Fig. 1. Ti-1023 powder morphology and particle size distribution. (a) Powder morphology; (b) particle size distribution

Download full size

Fig. 2. SLM process flow of Ti-1023 alloy. (a) SLM Ti-1023 alloy parts; (b) schematic of scanning strategy; (c) schematic of tensile specimen

Download full size

Fig. 3. XRD patterns of Ti-1023 alloy under different process conditions

Download full size

Fig. 4. Microstructures and grain size statistics of Ti-1023 alloy under different process conditions

Download full size

Fig. 5. Stress-strain curves of Ti-1023 tensile specimen under different process conditions

Download full size

Fig. 6. Fractures of Ti-1023 tensile specimen under different process conditions. (a)(b) SLM Ti-1023; (c)(d) VAM Ti-1023

Download full size

Fig. 7. KAMs of Ti-1023 alloy under different process conditions. (a)(b) XOY face of SLM Ti-1023 alloy; (c)(d) VAM Ti-1023 alloy

Download full size

Fig. 8. Microstructures and phase diagrams of Ti-1023 alloy under different process conditions. (a)‒(c) XOY face of SLM Ti-1023 alloy;(d)‒(f) VAM Ti-1023 alloy

Download full size

$Tensile data of SLM samples. (a) Strain hardening rate; (b) XRD patterns of SLM sample before and after tensile test; (c) microstructure of XOY cross section of SLM fracture at low magnification; (d) microstructure of XOY cross section of SLM fracture at high magnification$

Fig. 9. Tensile data of SLM samples. (a) Strain hardening rate; (b) XRD patterns of SLM sample before and after tensile test; (c) microstructure of XOY cross section of SLM fracture at low magnification; (d) microstructure of XOY cross section of SLM fracture at high magnification

Download full size

Table 1. Element contents of Ti-1023 powder, Ti6Al4V substrate, and Ti-1023 plate (mass fraction, %)
View table
Table 1. Element contents of Ti-1023 powder, Ti6Al4V substrate, and Ti-1023 plate (mass fraction, %)
Element V Al Fe C H O N Ti
Ti-1023 powder 9.820 3.050 1.720 0.010 0.003 0.130 0.018 Bal.
Ti6Al4V substrate 3.800 6.200 0.300 0.100 0.015 0.200 0.050 Bal.
Ti-1023 plate 10.500 3.200 2.100 0.050 0.015 0.130 0.050 Bal.

Tools

Get Citation

Copy Citation Text

Ziwei Yang, Junqiang Xu, Shun Guo, Wendi Wu, Qi Zhou. Research on Microstructure and Mechanical Properties of Ti-1023 Alloy by Selective Laser Melting[J]. Chinese Journal of Lasers, 2023, 50(24): 2402306

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites