Achieving high strength and ductility in selective laser melting Ti-6Al-4V alloy by laser shock peening

•Effect of LSP on tensile behavior of the SLMed Ti6Al4V alloy was studied.•LSP generated compressive residual stress in surface layer of SLMed sample.•Dislocations and nano twins were induced in SLMed sample by LSP.•LSP realized excellent combination of strength and ductility in SLMed sample.•The me...

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Veröffentlicht in:	Journal of alloys and compounds 2022-04, Vol.899, p.163335, Article 163335
Hauptverfasser:	Lv, Jiming, Luo, Kaiyu, Lu, Haifei, Wang, Zhao, Liu, Jiajun, Lu, Jinzhong
Format:	Artikel
Sprache:	eng
Schlagworte:	Compressive properties Dislocation density Ductility Electron backscatter diffraction Elongation Grain refinement Lamellar structure Laser beam melting Laser shock peening Laser shock processing Lasers Mechanical properties Microstructure Peening Rapid prototyping Residual stress Selective laser melting Tensile property Ti-6Al-4V titanium alloy Titanium base alloys Ultimate tensile strength
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