1. Date of download: 7/16/2016 Copyright © ASME. All rights reserved. From: Study on Hardness and Elastic Modulus of Surface Nanostructured 304 Stainless Steel Using Two Mechanical Methods J. Pressure Vessel Technol. 2011;133(3):034501-034501-4. doi:10.1115/1.4002554 Schematic diagram of UIT Figure Legend:

2. Date of download: 7/16/2016 Copyright © ASME. All rights reserved. From: Study on Hardness and Elastic Modulus of Surface Nanostructured 304 Stainless Steel Using Two Mechanical Methods J. Pressure Vessel Technol. 2011;133(3):034501-034501-4. doi:10.1115/1.4002554 Schematic diagram of UIT processing Figure Legend:

3. Date of download: 7/16/2016 Copyright © ASME. All rights reserved. From: Study on Hardness and Elastic Modulus of Surface Nanostructured 304 Stainless Steel Using Two Mechanical Methods J. Pressure Vessel Technol. 2011;133(3):034501-034501-4. doi:10.1115/1.4002554 Characteristic curves of nanostructured layer and matrix Figure Legend:

4. Date of download: 7/16/2016 Copyright © ASME. All rights reserved. From: Study on Hardness and Elastic Modulus of Surface Nanostructured 304 Stainless Steel Using Two Mechanical Methods J. Pressure Vessel Technol. 2011;133(3):034501-034501-4. doi:10.1115/1.4002554 Variation of the nanohardness with the distance to surface Figure Legend:

5. Date of download: 7/16/2016 Copyright © ASME. All rights reserved. From: Study on Hardness and Elastic Modulus of Surface Nanostructured 304 Stainless Steel Using Two Mechanical Methods J. Pressure Vessel Technol. 2011;133(3):034501-034501-4. doi:10.1115/1.4002554 Variation of the elastic modulus with the distance to surface Figure Legend:

6. Date of download: 7/16/2016 Copyright © ASME. All rights reserved. From: Study on Hardness and Elastic Modulus of Surface Nanostructured 304 Stainless Steel Using Two Mechanical Methods J. Pressure Vessel Technol. 2011;133(3):034501-034501-4. doi:10.1115/1.4002554 Microhardness distribution of the sample in the depth direction Figure Legend: