Thermal Stability of 40Cr Steel with Surface Nanocrystallization

Yu Liang Liu; Tian Ying Xiong; Ke Yang

doi:10.4028/www.scientific.net/MSF.510-511.434

Paper Titles

High Temperature Oxidation of Electroplated Cr-C Coating
p.418

Cyclic-Oxidation of Ti₃SiC₂ and Ti₃AlC₂ between 900 and 1200°C in Air
p.422

Synthesis and Structural Investigation of Nano-Sized BaTiO₃ Powders
p.426

Analysis of Deformation Characteristics in Wave-Typed Heat Sink Composed of Fin and Base
p.430

Thermal Stability of 40Cr Steel with Surface Nanocrystallization
p.434

Recrystallization Behaviors and High Temperature Tensile Properties of Mg-Al-Sn-(Zn) Wrought Alloys
p.438

Improvement of Corrosion Resistance of Stainless Steel by ZrO₂-SiO₂ Sol-Gel Coatings
p.442

Fabrication of Nano-Sized Gold Dot Array Using Bi-Layer Nano Imprint Lithography
p.446

Microstructure Evolution with Solidification Rates in IN 738LC Superalloy
p.450

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Thermal Stability of 40Cr Steel with Surface Nanocrystallization

Abstract:

Surface Nanocrystallization(SNC) is a new method of fabricating nanostructured materials while thermal stability is an important problem for the application of nanostructured materials. A nanostructured layer was fabricated on the surface of 40Cr steel by Supersonic Particles Bombarding method, and the variation of microstructure and microhardness of nanostructured layer was studied. Nanostructured surface layer showed high thermal stability.