Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Reducing Residual Stress in 7050 Aluminum Alloy Die Forgings by Heat Treatment J. Eng. Mater. Technol. 2008;130(3): doi: / Photograph of hub forging with hole-drilling assembly attached. The approximate location of the test pieces is indicated. Figure Legend:

Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Reducing Residual Stress in 7050 Aluminum Alloy Die Forgings by Heat Treatment J. Eng. Mater. Technol. 2008;130(3): doi: / Sample cooling curves for 7050 forgings quenched into boiling water, into water at 60°C (Q60), and into salt at 200°C Figure Legend:

Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Reducing Residual Stress in 7050 Aluminum Alloy Die Forgings by Heat Treatment J. Eng. Mater. Technol. 2008;130(3): doi: / Residual stress and deflection magnitudes plotted as a function of quench type for 7050 forgings heat treated according to Table. The asterisk ( *) refers to the forging number. Figure Legend:

Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Reducing Residual Stress in 7050 Aluminum Alloy Die Forgings by Heat Treatment J. Eng. Mater. Technol. 2008;130(3): doi: / Tensile properties for 7050 forgings quenched into water at 60°C and heat treated according to Table. A, percentage of elongation; Z, percentage of reduction in area. Errors bars are calculated as a standard deviation based on three samples. Figure Legend:

Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Reducing Residual Stress in 7050 Aluminum Alloy Die Forgings by Heat Treatment J. Eng. Mater. Technol. 2008;130(3): doi: / Tensile properties for 7050 forgings quenched into boiling water and salt and heat treated according to Table. A, percentage of elongation; Z, percentage of reduction in area. Errors bars are calculated as a standard deviation based on three samples. Figure Legend:

Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Reducing Residual Stress in 7050 Aluminum Alloy Die Forgings by Heat Treatment J. Eng. Mater. Technol. 2008;130(3): doi: / Fracture toughness properties for forgings quenched at 60°C (fast quench) and into boiling water and salt at 200°C (slow quench) Figure Legend:

Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Reducing Residual Stress in 7050 Aluminum Alloy Die Forgings by Heat Treatment J. Eng. Mater. Technol. 2008;130(3): doi: / Microstructure of 7050 quenched into water at 60°C (top image) and into molten salt at 200°C. The top image has had the contrast enhanced to highlight grain boundaries. This has caused the CuAl2 to appear black: orthophosphoric acid Figure Legend:

Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Reducing Residual Stress in 7050 Aluminum Alloy Die Forgings by Heat Treatment J. Eng. Mater. Technol. 2008;130(3): doi: / SSC data. Failure classification: A, no failures after 40days; B, failures observed between 20 and 40days of testing; C, failures observed within 20days of testing. Figure Legend:

Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Reducing Residual Stress in 7050 Aluminum Alloy Die Forgings by Heat Treatment J. Eng. Mater. Technol. 2008;130(3): doi: / Rotating bending fatigue results for aluminum alloy 7050 forgings heat treated to the conditions outlined in Table Figure Legend:

Date of download: 5/27/2016 Copyright © ASME. All rights reserved. From: Reducing Residual Stress in 7050 Aluminum Alloy Die Forgings by Heat Treatment J. Eng. Mater. Technol. 2008;130(3): doi: / The variation of residual stress with hole depth for two quarter sections heat treated in accordance with and Figure Legend: