Table 1 Average mechanical properties of Ti-6Al-4V produced in this study via HSPT and traditional vacuum sintering. The ASTM B348 standard for Grade 5 Ti-6Al-4V43 is given for reference.

From: Hydrogen-enabled microstructure and fatigue strength engineering of titanium alloys

Condition

Microstructure

UTS (MPa)

σy,0.2% (MPa)

%EL

%RA

E (GPa)

σe,107 (MPa)

σe/UTS (%)

HSPT As-Sintered

UFG Lamellar

1018

963

14.2

30.1

111

500*

49

HSPT + GIF + HT

Bi-modal

1101

1019

13.6

27.3

117

600

54

HSPT + GIF + HT

Globularized

1002

931

21.4

45.0

118

575

57

Vacuum As-Sintered

Coarse Lamellar

901

801

17.9

32.3

114

300

33

Vacuum + GIF

Coarse Lamellar

940

840

16.5

32.1

116

300

32

ASTM B348 (min.)

—

895

828

10.0

25.0

—

—

—

  1. *Fatigue strength of as-sintered HSPT Ti-6Al-4V as reported by Cao et al.32.