What is it about?
Low-temperature thermochemical treatment (typically 400°C–475°C) produces a hard, corrosion-resistant S-phase layer (expanded austenite) on ASTM F138 (316LVM) stainless steel. Temperatures below 450 to 475 are critical to prevent chromium nitride/carbide precipitation, which would otherwise reduce corrosion resistance, ensuring high surface hardness, fatigue resistance, and biocompatibility.
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Why is it important?
To prevent chromium nitride/carbide precipitation, which would otherwise reduce corrosion resistance, ensuring high surface hardness, fatigue resistance, and biocompatibility.
Perspectives
Biocompatibility at Low-Temperature Thermochemical Treatment
J SAEDON
Universiti Teknologi MARA
Read the Original
This page is a summary of: Influence of treatment temperature towards the S phase layer formation on medical grade ASTM F138 stainless steel, January 2023, American Institute of Physics,
DOI: 10.1063/5.0115776.
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