Microstructures and Mechanical Properties of SUS 630 Stainless Steel: Effects of Age Hardening in a Tin Bath and Atmospheric Environments
Kuan-Jen Chen, Fu-Sung Chuang
TL;DR
This study compares aging methods for SUS 630 stainless steel, showing that tin bath aging improves efficiency and reduces carbon emissions.
Contribution
The study introduces tin bath aging as a more efficient and sustainable alternative to traditional atmospheric aging for SUS 630 stainless steel.
Findings
Atmospheric aging at 500 °C for 1 h achieved maximum hardness in SUS 630 stainless steel.
Sn bath aging improved mechanical properties and reduced treatment time and energy consumption.
Sn bath aging resulted in refined microstructures with enhanced impact toughness and fatigue resistance.
Abstract
This study investigates the solution-aging treatment of precipitation-hardening SUS 630 stainless steel, alongside an analysis of the carbon emissions generated by the energy consumed during aging treatments. By employing atmospheric and liquid tin as aging media, the research comprehensively explores the effects of aging treatments on the characteristics of 630 stainless steel. The maximum hardness value for the 630 stainless steel was observed after atmospheric aging at 500 °C for 1 h. The given 630 stainless steel obtained its maximum hardness value after atmospheric aging at 500 °C for 1 h, indicating that the formation of secondary precipitates strengthens the steel’s performance. By leveraging the intrinsic characteristics of liquid tin, using it as an aging medium (Sn bath aging) significantly improves the efficiency of the aging process, achieving mechanical properties…
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Taxonomy
TopicsMetallurgical Processes and Thermodynamics · Aluminum Alloy Microstructure Properties · Additive Manufacturing Materials and Processes