Effect of Alumina Addition on Mechanical Properties of 3D-Printed 18Ni300 Die Steel

Haiqing Zhang; Liangtao You; Zhonghui Cheng; Lei Shi; Ping Liu; Zhixiang Li

doi:10.3788/LOP202158.2316002

Laser & Optoelectronics Progress, Volume. 58, Issue 23, 2316002(2021)

Effect of Alumina Addition on Mechanical Properties of 3D-Printed 18Ni300 Die Steel

Haiqing Zhang¹, Liangtao You¹, Zhonghui Cheng², Lei Shi³, Ping Liu³, and Zhixiang Li^1、*

¹Laboratory of Advanced Nanomaterials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo , Zhejiang 315201, China

²College of Optoelectronic Science and Engineering, Zhejiang University, Hangzhou , Zhejiang 310027, China

³Research and Development Department, Zhejiang Metallurgical Research Institute Company Limited, Hangzhou , Zhejiang 310015, China

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Figures & Tables(8)

Fig. 1. Tensile stress-strain curves of samples with different alumina additions. (a) As-built samples; (b) aging treated samples

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Fig. 2. XRD patterns. (a) As-built samples; (b) aging treated samples

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Fig. 3. Images acquired by metallographic microscope

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Fig. 4. Images acquired by scanning electron microscope

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Fig. 5. Energy dispersive spectrometer analysis results of as-built sample with 2% Al₂O₃

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Fig. 6. Energy dispersive spectrometer analysis results of aging treated sample with 2% Al₂O₃

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$SEM photos of tensile fracture surfaces$

Fig. 7. SEM photos of tensile fracture surfaces

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Table 1. Tested mechanical properties of samples
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Table 1. Tested mechanical properties of samples
Mechanical property N1 N2 N3 N4 T1 T2 T3 T4
Tensile strength σ_b /MPa 1143 1153 1066 1047 1457 1658 1593 1302
Elongation A /% 12.4 2.1 0.9 1.0 10.0 1.2 1.3 1.1
Vickers hardness /HV 355 363 353 379 497 501 492 481

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Haiqing Zhang, Liangtao You, Zhonghui Cheng, Lei Shi, Ping Liu, Zhixiang Li. Effect of Alumina Addition on Mechanical Properties of 3D-Printed 18Ni300 Die Steel[J]. Laser & Optoelectronics Progress, 2021, 58(23): 2316002

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