Microstructure and Friction Behavior of AISI 52100 and D2 Steels Subjected to Ultrasonic Nanocrystalline Surface Modification (UNSM) Technique at a High Temperature

Auezhan Amanov; Jun Hyong Kim; Young Sik Pyun

doi:10.4028/www.scientific.net/MSF.879.164

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HomeMaterials Science ForumMaterials Science Forum Vol. 879Microstructure and Friction Behavior of AISI 52100...

Microstructure and Friction Behavior of AISI 52100 and D2 Steels Subjected to Ultrasonic Nanocrystalline Surface Modification (UNSM) Technique at a High Temperature

Abstract:

In this study, two different AISI 52100 bearing and D2 tool steels were subjected to ultrasonic nanocrystalline surface modification (UNSM) technique at ambient and high temperature of 500 °C. The objective of this study is to characterize the microstructure and to investigate the effectiveness of UNSM technique on the friction and wear behavior of those steels. The friction and wear behavior of the specimens against AISI52100 bearing steel ball with a diameter of 10 mm was carried out using a micro-tribo tester under dry conditions. The hardness with respect to depth from the top surface was measured using a microhardness. The change in the microstructure of the specimens before and after UNSM treatment was characterized by scanning electron microscopy (SEM). The findings from this preliminary study are expected to be implemented to the bearings and tools to increase the efficiency and performance of the components.

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Periodical:

Materials Science Forum (Volume 879)

Pages:

164-168

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https://doi.org/10.4028/www.scientific.net/MSF.879.164

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Online since:

November 2016

Authors:

Auezhan Amanov*, Jun Hyong Kim, Young Sik Pyun

Keywords:

D2 Steel, Friction, SAE 52100 Steel, Surface Modification, Wear

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