| Autor: |
Ying, Danqing, Sun, Guomin, Wang, Meng, Wang, Jinsheng, Zhang, Kaiyu, Zhou, Chengshuang, Zhang, Lin |
| Předmět: |
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| Zdroj: |
Journal of Materials Engineering & Performance; Dec2024, Vol. 33 Issue 23, p13221-13236, 16p |
| Abstrakt: |
The microstructures and corrosion properties of selective laser-melted (SLM) 304L stainless steel (SS) were investigated after vacuum heat treatment. The electrochemical analysis showed that heat treatment was able to improve the pitting resistance of SLM 304L SS, which was even better than that of wrought 316L SS after vacuum heat treatment at 1100 °C for 2 hours. The microstructure analysis showed that the 1100 °C heat treatment eliminated the melt pool boundaries, reduced the defect density, optimized the micro-interfaces of the material, and weakened the agglomeration of nano-oxide particles. In addition, the heat treatment increased the content of Cr2O3 in the passive film, which enhanced the stability of the passive film. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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