Influence of Combined Processes between Gas Soft Nitriding and Carburizing to Hardness of Low Carbon Steel

Somsak Siwadamrongpong; Sorada Khaengkarn; Krid Tachee

doi:10.4028/www.scientific.net/AMR.415-417.1186

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 415-417Influence of Combined Processes between Gas Soft...

Influence of Combined Processes between Gas Soft Nitriding and Carburizing to Hardness of Low Carbon Steel

Abstract:

Low carbon steel is widely used in industries due to its low cost and easy to recycle. However, the low carbon steel is also known that easily attacked by environment and low strength compared with other kinds of steel. Therefore, several surface coating and treatment techniques are employed to improve its properties. This study was aimed to investigate influence of combined processes between gas soft nitriding and gas carburizing on the hardness of low carbon steel. The specimen was normalized by normalizing and shot blasting. Then the specimen was treated by gas carburizing, gas carbonitriding and combined processes between gas soft nitriding and gas carburizing. It was found that the combined processes yielded the good surface hardness and total case depth compared to other conditions. The most advantage of the combined processes could be considered to be very small variation of hardness.

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Periodical:

Advanced Materials Research (Volumes 415-417)

Pages:

1186-1189

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.415-417.1186

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Online since:

December 2011

Authors:

Somsak Siwadamrongpong, Sorada Khaengkarn, Krid Tachee

Keywords:

Carbonitriding, Carburizing, Hardness, Low Carbon Steel, Soft Nitriding

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