microstructural and thermal stability of selective laser melted 316l stainless steel single tracks
Clicks: 238
ID: 150848
2017
To remove residual stresses, an as-built SLM object is usually post- treated. This treatment can affect the microstructure, changing the final mechanical characteristics. This investigation is focused on the microstructural characterisation of 316L austenitic stainless steel in as-built and annealed conditions. The SLM microstructure was relatively stable up to 900°C, when cell boundaries start to disappear. At higher temperatures, an insignificant grain coarsening was detected. These microstructural changes caused a gradual drop in the hardness. The obtained result is background for the future development of post-treatment regimens to achieve a high level in the final mechanical properties of SLM objects.
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| Authors | ;Krakhmalev, P.;Yadroitsava, I.;Fredriksson, G.;Yadroitsev, I. |
| Journal | Microbial pathogenesis |
| Year | 2017 |
| DOI | 10.7166/28-1-1466 |
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