A study on the production of thin-walled Ti6Al4V parts by selective laser melting

被引:33
|
作者
Miranda, G. [1 ]
Faria, S. [2 ]
Bartolomeu, F. [1 ]
Pinto, E. [3 ]
Alves, N. [3 ]
Peixinho, N. [4 ]
Gasik, M. [5 ]
Silva, F. S. [1 ]
机构
[1] Univ Minho, Ctr Microelectro Mech Syst CMEMS UMinho, Campus Azurem, P-4800058 Guimaraes, Portugal
[2] Univ Minho, Dept Math & Applicat, CMAT Ctr Math, Campus Azurem, P-4800058 Guimaraes, Portugal
[3] Polytech Inst Leiria, Ctr Rapid & Sustainable Prod Dev CDRSP, Rua Gen Norton Maros,Apartado 4133, P-2411901 Leiria, Portugal
[4] Univ Minho, Mech Engn & Resource Sustainabil Ctr MEtRICs UMin, Campus Azurem, P-4800058 Guimaraes, Portugal
[5] Aalto Univ Fdn, Sch Chem Technol, Dept Mat Sci & Engn, Espoo 00076, Finland
关键词
Ti6Al4V; Selective laser melting; Thin-walled parts; MECHANICAL-PROPERTIES; POROUS BIOMATERIALS; PREDICTIVE MODELS; MICROSTRUCTURE; STRATEGY;
D O I
10.1016/j.jmapro.2018.12.036
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Selective Laser Melting (SLM) is an extremely versatile technology especially suited for the manufacturing of thin-walled parts. Micro-sized parts are highly influenced and dependent on the SLM processing parameters; thus being indispensable to assess the influence of processing parameters on SLM fabrication, as isolated parameters but also their interactions. In this study, the influence of SLM laser power and scanning speed on Ti6Al4V micro-pillars and micro-plates thickness was assessed by applying response surface methodology (RSM). These analyses resulted in four models that exhibit complex correlations of SLM process parameters, with non-linear equations, having coefficients of determination that assess the quality of the models. These developed models are accurate tools that can be used to optimize the micro manufacture of Ti6A14V thin-walled parts by SLM.
引用
收藏
页码:346 / 355
页数:10
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