PSI - Issue 14

Anigani Sudarshan Reddy et al. / Procedia Structural Integrity 14 (2019) 449–466 Author name / Structural Integrity Procedia 00 (2018) 000–000

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Table 1: List of materials used in this study

S.No

Monolithic materials

Hybrid materials

1

DMLS IN718

DMLS CoCrMo on Cast FSX-414

2

DMLS CoCrMo

DMLS SS316L on Forged X20Cr13

3

DMLS Maraging steel

4

DMSL SS316L

5

DMLS Ti6Al4V

Table 2: Nominal composition of the materials used in this study

Nominal composition (weight %)

Manufacturing

method (→)

DMLS

Casting

Forging

Material ( →) Elements (↓) Fe

Maraging steel

IN718

CoCrMo

SS316L

Ti6Al4V

FSX414

X20Cr13

Bal

≤0.75

Bal

Bal

<3000 ppm

-

Bal

Cr Ni

17-21 50-55

26-30 ≤0.10 05.0-7 ≤0.16

-

17-19 13-15 2.25-3

- - - - - - - -

28.5-30.5 9.5-11.5

12.0-14

17-19

- - -

Mo

2.8-3.3

4.5-5.2

-

C

≤0.08 ≤0.35

≤0.03 ≤0.01

0.03

<800 ppm

0.2-0.3 0.4-1.0

Mn Cu

≤1.0

2

0-1.5

≤0.3

C

≤0.5

0.5

- - -

-

P S

≤0.015 ≤0.015

Ni

≤0.01

0.025

0.04 0.03 0-1.0

-

≤0.1

0.01 0.75

Si N

≤0.35

≤1.0

≤0.01

0.5-1.0

-

-

-

0.1

<500 ppm

-

- - - - - -

Co Ti Al

≤1.0

60-65

8.5-9.5 0.6-0.8

- - - - -

-

Bal

0.65-1.15 -

Bal

- - - -

0.2-0.8

- - -

0.05-0.15

5.5-6.75 3.5-4.5

V H

- -

- -

<150 ppm

O

-

-

-

-

<2000 ppm

-

-

Nb

4.75-5.5

- -

- -

- -

- -

- -

- -

B

≤0.006