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51318-11690-Effect of Austenite Stability In Pack Aluminizing of Stainless Steels

Picture for Effect of Austenite Stability In Pack Aluminizing of Stainless Steels
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In this study, several austenitic stainless steels (UNS S30400, S30300, S30900, S31600, S31000 and N08330) were aluminized by halide activated pack cementation (HAPC) at 850°C for process times of 4, 9, 16 and 25 hours.

Product Number: 51318-11690-SG
Author: Samantha Globa / Tasleem Simmons / Daniel Navarro / Michell Aranda / Vilupanur A. Ravi
Publication Date: 2018
Industry: Materials Selection and Design
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$20.00
$20.00

In this study, several austenitic stainless steels (UNS S30400, S30300, S30900, S31600, S31000 and N08330) were aluminized by halide activated pack cementation (HAPC) at 850°C for process times of 4, 9, 16 and 25 hours. Coating development and morphology dependence on austenite stability were investigated with respect to coating time. Cross-sections of the aluminized specimens were examined using optical and scanning electron microscopy (SEM). Surface phase identification was carried out by X-ray diffraction (XRD). Coating thickness measurements were recorded and the evolution of microstructures as a function of coating time was determined. Vickers microhardness profiles as a function of distance into the substrate were also obtained.

Key Words: aluminizing, austenite stainless steel, halide activated pack cementation, HAPC, coatings

In this study, several austenitic stainless steels (UNS S30400, S30300, S30900, S31600, S31000 and N08330) were aluminized by halide activated pack cementation (HAPC) at 850°C for process times of 4, 9, 16 and 25 hours. Coating development and morphology dependence on austenite stability were investigated with respect to coating time. Cross-sections of the aluminized specimens were examined using optical and scanning electron microscopy (SEM). Surface phase identification was carried out by X-ray diffraction (XRD). Coating thickness measurements were recorded and the evolution of microstructures as a function of coating time was determined. Vickers microhardness profiles as a function of distance into the substrate were also obtained.

Key Words: aluminizing, austenite stainless steel, halide activated pack cementation, HAPC, coatings

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