Research Progress on Preparation of Metallic Materials by Selective Laser Melting

Jialian Zhang; Faliang Li; Haijun Zhang

doi:10.3788/LOP56.100003

Journals >Laser & Optoelectronics Progress >Volume 56 >Issue 10 >Page 100003 > Article

Laser & Optoelectronics Progress
Vol. 56, Issue 10, 100003 (2019)

Research Progress on Preparation of Metallic Materials by Selective Laser Melting

Jialian Zhang^**, Faliang Li^*, and Haijun Zhang

Author Affiliations

State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China

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DOI: 10.3788/LOP56.100003 Cite this Article Set citation alerts

Jialian Zhang, Faliang Li, Haijun Zhang. Research Progress on Preparation of Metallic Materials by Selective Laser Melting[J]. Laser & Optoelectronics Progress, 2019, 56(10): 100003 Copy Citation Text

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Fig. 1. Mechanical properties of as-deposited and heat-treated AlSi10Mg specimens at room temperature [37]

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Optical microscopy images at cross sections of SLM-processed Ti parts under different scanning speeds[39]. (a) 100 mm/s; (b) 200 mm/s; (c) 300 mm/s; (d) 400 mm/s

Fig. 2. Optical microscopy images at cross sections of SLM-processed Ti parts under different scanning speeds[39]. (a) 100 mm/s; (b) 200 mm/s; (c) 300 mm/s; (d) 400 mm/s

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Fig. 3. SEM imageson surfaces of Inconel718 specimen formed by SLM under different line energy densities[46]. (a) η=180 J/m; (b) η=275 J/m; (c) η=300 J/m; (d) η=330 J/m

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Sample	Scanningspeed /(mm·s^-1)	Laserpower /W	Line energydensity /(J·mm^-1)	Surfacehardness /HRC
1^#	400	160	0.40	52.5
2^#	450	160	0.36	51.3
3^#	500	160	0.32	43.0
4^#	550	160	0.29	40.2
5^#	400	170	0.43	53.2
6^#	450	170	0.38	55.0
7^#	500	170	0.34	45.1
8^#	550	170	0.31	44.0
9^#	400	180	0.45	56.0
10^#	450	180	0.40	57.0
11^#	500	180	0.36	46.1
12^#	550	180	0.33	45.0
13^#	400	190	0.48	54.7
14^#	450	190	0.42	56.2
15^#	500	190	0.38	46.5
16^#	550	190	0.35	45.7

Table 1. Surface hardness of H13 specimens formed by SLM under different process parameters[50]

Jialian Zhang, Faliang Li, Haijun Zhang. Research Progress on Preparation of Metallic Materials by Selective Laser Melting[J]. Laser & Optoelectronics Progress, 2019, 56(10): 100003

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