Embedding of Y3Al5O12:Ce within 316L stainless steel parts by laser powder bed fusion as an efficient luminescent sensor

IF 4.2 Q2 ENGINEERING, MANUFACTURING Additive manufacturing letters Pub Date : 2023-11-24 DOI:10.1016/j.addlet.2023.100186

Christina Baslari , Hicham Maskrot , Wilfried Pacquentin , Sonia Sousa Nobre , Timothée Delacroix , Daniel Zambon , Rachid Mahiou

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Abstract

Transition to circular economy requires the production of sustainable and eco-designed materials that help to reduce environmental impacts of metallic components. The development of sensing layers providing luminescent tracking functionalities is a potential method for extending the service life of metallic parts. In this study, incorporation of luminescent Ce³⁺ doped yttrium aluminum garnet (YAG:Ce) within a stainless steel 316L (SS316L) matrix has been achieved for the first time by laser powder bed fusion (L-PBF). Embedding of phosphor particles was successfully carried out on a selected area of the 3D printed sample. Despite harsh processing conditions of L-PBF, luminescent emission was detected by optical spectroscopy. Microstructure and chemical composition of the incorporation zone were investigated in order to better understand optical properties. The precipitated particles exhibit new optical features, arising from the modification of the luminescent host lattice and the intricate interactions with the metal matrix.

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采用激光粉末床熔埋技术将Y3Al5O12:Ce嵌入316L不锈钢件内，作为高效发光传感器

向循环经济过渡需要生产可持续和生态设计的材料，以帮助减少金属部件对环境的影响。提供发光跟踪功能的传感层的开发是延长金属部件使用寿命的一种潜在方法。在这项研究中，首次通过激光粉末床熔融(L-PBF)实现了发光Ce3+掺杂钇铝石榴石(YAG:Ce)在不锈钢316L (SS316L)基体中的掺入。在3D打印样品的选定区域成功地进行了磷光粒子的包埋。尽管L-PBF的加工条件恶劣，但通过光谱学检测了其发光发射。为了更好地了解掺杂区的光学性质，研究了掺杂区的微观结构和化学成分。由于发光主体晶格的改变以及与金属基体的复杂相互作用，沉淀粒子表现出新的光学特征。

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