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Article citations


Zhong, Y., Liu, L., Wikman, S., Cui, D. and Shen, Z. (2016) Intragranular Cellular Segregation Network Structure Strengthening 316L Stainless Steel Prepared by Selective Laser Melting. Journal of Nuclear Materials, 470, 170-178.

has been cited by the following article:

  • TITLE: Corrosion Testing of a Heat Treated 316 L Functional Part Produced by Selective Laser Melting

    AUTHORS: Evy De Bruycker, Maria L. Montero Sistiaga, Fabien Thielemans, Kim Vanmeensel

    KEYWORDS: 316 L, Selective Laser Melting, Stress Corrosion Cracking, Residual Stresses, Heat Treatments

    JOURNAL NAME: Materials Sciences and Applications, Vol.8 No.3, March 8, 2017

    ABSTRACT: Selective Laser Melting (SLM) shows a big potential among metal additive manufacturing (AM) technologies. However, the large thermal gradients and the local melting and solidification processes of SLM result in the presence of a significant amount of residual stresses in the as built parts. These internal stresses will not only affect mechanical properties, but also increase the risk of Stress Corrosion Cracking (SCC). A twister used in an air extraction pump of a condenser to create a swirl in the water, was chosen as a candidate component to be produced by SLM in 316 L stainless steel. Since the main expected damage mechanism of this component in service is corrosion, corrosion tests were carried out on an as-built twister as well as on heat treated components. It was shown that a low temperature heat treatment at 450℃ had only a limited effect on the residual stress reduction and concomitant corrosion properties, while the internal stresses were significantly reduced when a high temperature heat treatment at 950℃ was applied. Furthermore, a specific stress corrosion sensitivity test proved to be a useful tool to evaluate the internal stress distribution in a specific component.