Performance and Structure Control of Rare‐Earth‐Element Modified High‐Strength Aluminum Alloy Processed by Laser Powder Bed Fusion

Shiwen Qi; Dongdong Gu; Han Zhang; Donghua Dai

doi:10.3788/CJL231114

[1] Wang H F, Tian X J, Cheng X et al. Effects of thermal deformation conditions on microstructures and deformation behaviors of laser additive manufactured TC18 titanium alloys[J]. Chinese Journal of Lasers, 45, 0302008(2018).

[2] Wang Z H, Wang H M, Liu D. Microstructure and mechanical properties of AF1410 ultra-high strength steel using laser additive manufacture technique[J]. Chinese Journal of Lasers, 43, 0403001(2016).

[3] Li H, Zhao W J, Li R D et al. Progress on additive manufacturing of maraging steel[J]. Chinese Journal of Lasers, 49, 1402102(2022).

[4] Yin Q Y, Wei H L, Zhang C C et al. Effect prediction of stress and deformation for laser additive manufacturing of characteristic structure based on inherent strain method[J]. Chinese Journal of Lasers, 49, 1402207(2022).

[5] Gu D D, Shi X Y, Poprawe R et al. Material-structure-performance integrated laser-metal additive manufacturing[J]. Science, 372, eabg1487(2021).

[6] Rao J H, Zhang Y, Zhang K et al. Multiple precipitation pathways in an Al-7Si-0.6Mg alloy fabricated by selective laser melting[J]. Scripta Materialia, 160, 66-69(2019).

[7] Suryawanshi J, Prashanth K G, Scudino S et al. Simultaneous enhancements of strength and toughness in an Al-12Si alloy synthesized using selective laser melting[J]. Acta Materialia, 115, 285-294(2016).

[8] Anwar A B, Pham Q C. Selective laser melting of AlSi10Mg: effects of scan direction, part placement and inert gas flow velocity on tensile strength[J]. Journal of Materials Processing Technology, 240, 388-396(2017).

[9] Zhang H, Zhu H H, Qi T et al. Selective laser melting of high strength Al-Cu-Mg alloys: processing, microstructure and mechanical properties[J]. Materials Science and Engineering: A, 656, 47-54(2016).

[10] Reschetnik W, Brüggemann J P, Aydinöz M E et al. Fatigue crack growth behavior and mechanical properties of additively processed EN AW-7075 aluminium alloy[J]. Procedia Structural Integrity, 2, 3040-3048(2016).

[11] Uddin S Z, Murr L E, Terrazas C A et al. Processing and characterization of crack-free aluminum 6061 using high-temperature heating in laser powder bed fusion additive manufacturing[J]. Additive Manufacturing, 22, 405-415(2018).

[12] Wang M B, Li R D, Yuan T C et al. Microstructures and mechanical property of AlMgScZrMn: a comparison between selective laser melting, spark plasma sintering and cast[J]. Materials Science and Engineering: A, 756, 354-364(2019).

[13] Spierings A B, Dawson K, Kern K et al. SLM-processed Sc- and Zr- modified Al-Mg alloy: mechanical properties and microstructural effects of heat treatment[J]. Materials Science and Engineering: A, 701, 264-273(2017).

[14] Schimbäck D, Mair P, Bärtl M et al. Alloy design strategy for microstructural-tailored scandium-modified aluminium alloys for additive manufacturing[J]. Scripta Materialia, 207, 114277(2022).

[15] Bi J, Liu L, Wang C Y et al. Microstructure, tensile properties and heat-resistant properties of selective laser melted AlMgScZr alloy under long-term aging treatment[J]. Materials Science and Engineering: A, 833, 142527(2022).

[16] Schmidtke K, Palm F, Hawkins A et al. Process and mechanical properties: applicability of a scandium modified Al-alloy for laser additive manufacturing[J]. Physics Procedia, 12, 369-374(2011).

[17] Spierings A B, Dawson K, Heeling T et al. Microstructural features of Sc- and Zr-modified Al-Mg alloys processed by selective laser melting[J]. Materials & Design, 115, 52-63(2017).

[18] Yang K, Shi Y J, Palm F et al. Columnar to equiaxed transition in Al-Mg (-Sc)-Zr alloys produced by selective laser melting[J]. Scripta Materialia, 145, 113-117(2018).

[19] Li R D, Wang M B, Yuan T C et al. Selective laser melting of a novel Sc and Zr modified Al-6.2Mg alloy: processing, microstructure, and properties[J]. Powder Technology, 319, 117-128(2017).

[20] Guan K, Wang Z M, Gao M et al. Effects of processing parameters on tensile properties of selective laser melted 304 stainless steel[J]. Materials & Design, 50, 581-586(2013).

[21] Nadammal N, Mishurova T, Fritsch T et al. Critical role of scan strategies on the development of microstructure, texture, and residual stresses during laser powder bed fusion additive manufacturing[J]. Additive Manufacturing, 38, 101792(2021).

[22] Dai D H, Gu D D. Influence of thermodynamics within molten pool on migration and distribution state of reinforcement during selective laser melting of AlN/AlSi10Mg composites[J]. International Journal of Machine Tools and Manufacture, 100, 14-24(2016).

[23] Dai D H, Gu D D. Tailoring surface quality through mass and momentum transfer modeling using a volume of fluid method in selective laser melting of TiC/AlSi10Mg powder[J]. International Journal of Machine Tools and Manufacture, 88, 95-107(2015).

[24] Qi S J, Xiong L, Chen M Y et al. TC4 titanium alloy track morphology and pore formation mechanism in laser powder bed fusion process[J]. Chinese Journal of Lasers, 50, 1202304(2023).

[25] Yin J, Hao L, Yang L L et al. Investigation of interaction between vapor plume and spatter during selective laser melting additive manufacturing[J]. Chinese Journal of Lasers, 49, 1402202(2022).

[26] DebRoy T, Wei H L, Zuback J S et al. Additive manufacturing of metallic components: process, structure and properties[J]. Progress in Materials Science, 92, 112-224(2018).