Mechanical Properties of 316L Stainless Steel Lattice Structure Prepared by Selective Laser Melting

Shu Du; Ayiguli·Kasimu; Yutao Zhang; Wurikaixi·Aiyiti

doi:10.3788/LOP202259.1914005

Journals >Laser & Optoelectronics Progress >Volume 59 >Issue 19 >Page 1914005 > Article

Laser & Optoelectronics Progress
Vol. 59, Issue 19, 1914005 (2022)

Mechanical Properties of 316L Stainless Steel Lattice Structure Prepared by Selective Laser Melting

Shu Du, Ayiguli·Kasimu, Yutao Zhang, and Wurikaixi·Aiyiti^*

Author Affiliations

School of Mechanical Engineering, Xinjiang University, Urumqi 830017, Xinjiang, China

show less

DOI: 10.3788/LOP202259.1914005 Cite this Article Set citation alerts

Shu Du, Ayiguli·Kasimu, Yutao Zhang, Wurikaixi·Aiyiti. Mechanical Properties of 316L Stainless Steel Lattice Structure Prepared by Selective Laser Melting[J]. Laser & Optoelectronics Progress, 2022, 59(19): 1914005 Copy Citation Text

show less

Fig. 1. Lattice structure diagrams. (a) (d) Lattice type A; (b) (e) lattice type B; (c) (f) lattice type C

Download full size

Fig. 2. Lattice structure samples printed by SLM

Download full size

Fig. 3. Finite element analysis model

Download full size

Fig. 4. Three types of lattice structure stress-strain curves. (a) Lattice type A; (b) lattice type B; (c) lattice type C

Download full size

Fig. 5. Change of elastic modulus of lattice structure samples with porosity. (a) Aperture is 0.6 mm; (b) aperture is 0.9 mm

Download full size

Fig. 6. Change of yield strength of lattice structure samples with porosity. (a) Aperture is 0.6 mm; (b) aperture is 0.9 mm

Download full size

Fig. 7. Numerical relationship between porosity and elastic modulus of lattice structure. (a) Lattice type A; (b) lattice type B; (c) lattice type C

Download full size

Fig. 8. Lattice structure stress distributions. (a) Lattice type A; (b) lattice type B; (c) lattice type C

Download full size

Fig. 9. Lattice structure displacement distributions. (a) Lattice type A; (b) lattice type B; (c) lattice type C

Download full size

Fig. 10. Deformation mechanism of lattice structure. (a) Lattice type A; (b) lattice type B; (c) lattice type C

Download full size

Fig. 11. Finite element analysis of deformation mechanism. (a) Lattice type A; (b) lattice type B; (c) lattice type C

Download full size

Fig. 12. Surface details of lattice structure sample captured by the microscope

Download full size

Fig. 13. Comparison of rod diameters measured in different directions (top view and side view)

Download full size

No.	Sample	Porosity /%	Cell size /（mm×mm×mm）	Stem diameter /mm	Aperture /mm
1	A-50%-0.6	50	1.75×1.75×1.75	0.65	0.6
2	A-60%-0.6	60	1.5×1.5×1.5	0.49	0.6
3	A-70%-0.6	70	1.4×1.4×1.4	0.40	0.6
4	A-80%-0.6	80	1.3×1.3×1.3	0.31	0.6
5	B-50%-0.6	50	1.2×1.2×1.2	0.58	0.6
6	B-60%-0.6	60	1.1×1.1×1.1	0.48	0.6
7	B-70%-0.6	70	1.0×1.0×1.0	0.35	0.6
8	B-80%-0.6	80	0.8×0.8×0.8	0.20	0.6
9	C-50%-0.6	50	1.7×1.7×1.7	0.60	0.6
10	C-60%-0.6	60	1.5×1.5×1.5	0.48	0.6
11	C-70%-0.6	70	1.3×1.3×1.3	0.35	0.6
12	C-80%-0.6	80	1.2×1.2×1.2	0.26	0.6
13	A-50%-0.9	50	2.8×2.8×2.8	1.10	0.9
14	A-60%-0.9	60	2.5×2.5×2.5	0.85	0.9
15	A-70%-0.9	70	2.1×2.1×2.1	0.58	0.9
16	A-80%-0.9	80	2.0×2.0×2.0	0.47	0.9
17	B-50%-0.9	50	1.9×1.9×1.9	1.00	0.9
18	B-60%-0.9	60	1.6×1.6×1.6	0.65	0.9
19	B-70%-0.9	70	1.4×1.4×1.4	0.50	0.9
20	B-80%-0.9	80	1.2×1.2×1.2	0.33	0.9
21	C-50%-0.9	50	2.5×2.5×2.5	0.90	0.9
22	C-60%-0.9	60	2.2×2.2×2.2	0.68	0.9
23	C-70%-0.9	70	2.0×2.0×2.0	0.55	0.9
24	C-80%-0.9	80	1.8×1.8×1.8	0.40	0.9

Table 1. Design parameters of lattice structure

No.	Sample	Total volume /mm³	Defect volume /mm³	Defect volume ratio /%
1	A-70%-0.6	163.735	0.032	0.02
2	B-70%-0.6	150.399	0.084	0.06
3	C-70%-0.6	153.983	0.146	0.09

Table 2. Printing defects detected by industrial micro-nano CT system

Download Citation

Set citation alerts for the article

Tools

Set citation alerts for the article

Save the article for my favorites

Paper Information