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Proceedings Papers

The Reciprocal Effect Among a Quarter-Circle Corner Crack and a Non-Aligned Surface Crack of Comparable Size in an Infinitely Large Plate Under Uniaxial Tension

M. Perl, C. Levy, Q. Ma
Proc. ASME. PVP2018, Volume 1B: Codes and Standards, V01BT01A078, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84035
https://doi.org/10.1115/PVP2018-84035
View Paper titled, The Reciprocal Effect Among a Quarter-Circle Corner Crack and a Non-Aligned Surface Crack of Comparable Size in an Infinitely Large Plate Under Uniaxial Tension
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Topics: Corners (Structural elements), Fracture (Materials), Surface cracks, Tension, Fitness-for-service, Decision making, Geometry, Inspection, Separation (Technology), Stress
Proceedings Papers

The Effect of a Quarter-Circle Corner Crack on the Distribution of the SIF Along the Front of a Non-Aligned Semi-Elliptical Surface Crack in an Infinitely Large Plate Under Uniaxial Tension

C. Levy, M. Perl, Q. Ma
Proc. ASME. IMECE2017, Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Structural Health Monitoring and Prognosis, V009T12A050, November 3–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2017-72468
https://doi.org/10.1115/IMECE2017-72468
View Paper titled, The Effect of a Quarter-Circle Corner Crack on the Distribution of the SIF Along the Front of a Non-Aligned Semi-Elliptical Surface Crack in an Infinitely Large Plate Under Uniaxial Tension
Open the PDF for The Effect of a Quarter-Circle Corner Crack on the Distribution of the SIF Along the Front of a Non-Aligned Semi-Elliptical Surface Crack in an Infinitely Large Plate Under Uniaxial Tension in another window
Topics: Corners (Structural elements), Fracture (Materials), Surface cracks, Tension, Fitness-for-service, Separation (Technology), Geometry, Inspection, Shapes
Proceedings Papers

The Influence of a Non-Aligned Semi-Elliptical Surface Crack on a Quarter-Circle Corner Crack in an Infinitely Large Plate Under Uniaxial Tension

M. Perl, Q. Ma, C. Levy
Proc. ASME. PVP2016, Volume 3: Design and Analysis, V003T03A061, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63081
https://doi.org/10.1115/PVP2016-63081
View Paper titled, The Influence of a Non-Aligned Semi-Elliptical Surface Crack on a Quarter-Circle Corner Crack in an Infinitely Large Plate Under Uniaxial Tension
Open the PDF for The Influence of a Non-Aligned Semi-Elliptical Surface Crack on a Quarter-Circle Corner Crack in an Infinitely Large Plate Under Uniaxial Tension in another window
Topics: Corners (Structural elements), Fracture (Materials), Surface cracks, Tension, Fitness-for-service, Separation (Technology), Shapes, Geometry, Inspection
Journal Articles

The Bauschinger Effect's Influence on the Stress Intensity Factors of a Semi-Elliptical Crack Emanating From an Erosion at the Bore of a Fully Autofrettaged Pressurized Cylinder

Q. Ma, C. Levy, M. Perl
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. August 2015, 137(4): 041403.
Paper No: PVT-14-1015
https://doi.org/10.1115/1.4029018
Published Online: August 1, 2015
View Article titled, The Bauschinger Effect's Influence on the Stress Intensity Factors of a Semi-Elliptical Crack Emanating From an Erosion at the Bore of a Fully Autofrettaged Pressurized Cylinder
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Topics: Autofrettage, Cylinders, Erosion, Fracture (Materials), Stress
Proceedings Papers

The Combined Effect of a Finite Axial Erosion With Bauschinger Modified Autofrettage on the 3D SIFs of Pressurized Cylinders

Q. Ma, C. Levy, M. Perl
Proc. ASME. PVP2014, Volume 3: Design and Analysis, V003T03A078, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28033
https://doi.org/10.1115/PVP2014-28033
View Paper titled, The Combined Effect of a Finite Axial Erosion With Bauschinger Modified Autofrettage on the 3D SIFs of Pressurized Cylinders
Open the PDF for The Combined Effect of a Finite Axial Erosion With Bauschinger Modified Autofrettage on the 3D SIFs of Pressurized Cylinders in another window
Topics: Autofrettage, Cylinders, Erosion, Fracture (Materials), Fatigue life, Finite element methods, Durability, Hoop stress, Pressure vessels, Stress
Proceedings Papers

A LEFM Based Study on the Interaction Between an Edge and an Embedded Parallel Crack

Q. Ma, C. Levy, M. Perl
Proc. ASME. PVP2013, Volume 3: Design and Analysis, V003T03A046, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97083
https://doi.org/10.1115/PVP2013-97083
View Paper titled, A LEFM Based Study on the Interaction Between an Edge and an Embedded Parallel Crack
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Topics: Fracture (Materials), Separation (Technology), Fitness-for-service, Stress, Fracture mechanics
Proceedings Papers

The Bauschinger Effect’s Influence on the SIFs of a Semi-Elliptical Crack Emanating From an Erosion at the Bore of a Fully Autofrettaged Pressurized Cylinder

Q. Ma, C. Levy, M. Perl
Proc. ASME. PVP2012, Volume 3: Design and Analysis, 273-281, July 15–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: PVP2012-78012
https://doi.org/10.1115/PVP2012-78012
View Paper titled, The Bauschinger Effect’s Influence on the SIFs of a Semi-Elliptical Crack Emanating From an Erosion at the Bore of a Fully Autofrettaged Pressurized Cylinder
Open the PDF for The Bauschinger Effect’s Influence on the SIFs of a Semi-Elliptical Crack Emanating From an Erosion at the Bore of a Fully Autofrettaged Pressurized Cylinder in another window
Topics: Autofrettage, Cylinders, Erosion, Fracture (Materials), Stress, Fatigue life, Wall thickness, Computer software, Displacement, Durability
Journal Articles

A Study of the Combined Effects of Erosions, Cracks and Partial Autofrettage on the Stress Intensity Factors of a Thick Walled Pressurized Cylinder

Q. Ma, C. Levy, M. Perl
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. August 2013, 135(4): 041403.
Paper No: PVT-12-1099
https://doi.org/10.1115/1.4023732
Published Online: June 11, 2013
View Article titled, A Study of the Combined Effects of Erosions, Cracks and Partial Autofrettage on the Stress Intensity Factors of a Thick Walled Pressurized Cylinder
Open the PDF for A Study of the Combined Effects of Erosions, Cracks and Partial Autofrettage on the Stress Intensity Factors of a Thick Walled Pressurized Cylinder in another window
Topics: Autofrettage, Cylinders, Erosion, Fracture (Materials), Stress
Proceedings Papers

A Finite Element Study of the Effect of Partial Autofrettage on the Fatigue Life of Thick-Walled Cylinders Containing Erosions and Cracks

Q. Ma, C. Levy, M. Perl
Proc. ASME. PVP2011, Volume 3: Design and Analysis, 413-422, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57004
https://doi.org/10.1115/PVP2011-57004
View Paper titled, A Finite Element Study of the Effect of Partial Autofrettage on the Fatigue Life of Thick-Walled Cylinders Containing Erosions and Cracks
Open the PDF for A Finite Element Study of the Effect of Partial Autofrettage on the Fatigue Life of Thick-Walled Cylinders Containing Erosions and Cracks in another window
Topics: Autofrettage, Cylinders, Erosion, Fatigue life, Finite element analysis, Fracture (Materials), Stress, Displacement, Finite element methods, Hoop stress
Journal Articles

The Impact of the Bauschinger Effect on Stress Concentrations and Stress Intensity Factors for Eroded Autofrettaged Thick Cylindrical Pressure Vessels

Q. Ma, C. Levy, M. Perl
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. April 2012, 134(2): 021204.
https://doi.org/10.1115/1.4005396
Published Online: January 13, 2012
View Article titled, The Impact of the Bauschinger Effect on Stress Concentrations and Stress Intensity Factors for Eroded Autofrettaged Thick Cylindrical Pressure Vessels
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Topics: Autofrettage, Cylinders, Erosion, Fracture (Materials), Stress, Pressure vessels
Proceedings Papers

Stress Concentration and Stress Intensity for Pressurized Eroded Autofrettaged Thick Cylinders With Bauschinger Effect

Q. Ma, C. Levy, M. Perl
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 3, 663-670, July 18–22, 2010
Publisher: American Society of Mechanical Engineers
Paper No: PVP2010-25607
https://doi.org/10.1115/PVP2010-25607
View Paper titled, Stress Concentration and Stress Intensity for Pressurized Eroded Autofrettaged Thick Cylinders With Bauschinger Effect
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Topics: Autofrettage, Cylinders, Stress, Stress concentration, Erosion, Fracture (Materials), Displacement, Fatigue life, Finite element analysis, Gun barrels
Journal Articles

Stress Intensity Factors for Partially Autofrettaged Pressurized Thick-Walled Cylinders Containing Closely and Densely Packed Cracks

Q. Ma, C. Levy, M. Perl
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. October 2010, 132(5): 051203.
https://doi.org/10.1115/1.4001430
Published Online: August 17, 2010
View Article titled, Stress Intensity Factors for Partially Autofrettaged Pressurized Thick-Walled Cylinders Containing Closely and Densely Packed Cracks
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Topics: Autofrettage, Fracture (Materials), Stress, Cylinders
Proceedings Papers

Stress Intensity Factors for Closely and Densely Packed Cracks in Partially Autofrettaged Pressurized Thick-Walled Cylinders

Q. Ma, C. Levy, M. Perl
Proc. ASME. PVP2009, Volume 3: Design and Analysis, 413-423, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77541
https://doi.org/10.1115/PVP2009-77541
View Paper titled, Stress Intensity Factors for Closely and Densely Packed Cracks in Partially Autofrettaged Pressurized Thick-Walled Cylinders
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Topics: Autofrettage, Cylinders, Fracture (Materials), Stress, Density, Pressure, Pressure vessels, Surface cracks, Fatigue life, Finite element analysis
Proceedings Papers

Interfacial Fracture Analysis in EB-PVD/PTAL TBC Systems

Q. Ma, J. L. Beuth, G. H. Meier, F. S. Pettit
Proc. ASME. IMECE2009, Volume 14: Processing and Engineering Applications of Novel Materials, 341-350, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-11706
https://doi.org/10.1115/IMECE2009-11706
View Paper titled, Interfacial Fracture Analysis in EB-PVD/PTAL TBC Systems
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Topics: Fracture (Materials), Fracture (Process), Aircraft engines, Cathode ray oscilloscopes, Durability, Electron beams, Failure, Finite element analysis, Gas turbines, Heat
Proceedings Papers

The Effect of Conical Indenter Shape on TBC Interfacial Toughness Measurements

Q. Ma, J. L. Beuth, G. H. Meier, F. S. Pettit
Proc. ASME. IMECE2007, Volume 3: Design and Manufacturing, 329-338, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-43816
https://doi.org/10.1115/IMECE2007-43816
View Paper titled, The Effect of Conical Indenter Shape on TBC Interfacial Toughness Measurements
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Topics: Fracture toughness, Shapes, Coatings, Stress, Thermal barrier coatings, Cathode ray oscilloscopes, Ceramic coatings, Computer simulation, Electron beams, Fracture mechanics
Proceedings Papers

The Influence of Finite Three Dimensional Multiple Axial Erosions on the Fatigue Life of Partially Autofrettaged Pressurized Cylinders

C. Levy, M. Perl, Q. Ma
Proc. ASME. PVP2002, High Pressure Technology, 19-25, August 5–9, 2002
Publisher: American Society of Mechanical Engineers
Paper No: PVP2002-1160
https://doi.org/10.1115/PVP2002-1160
View Paper titled, The Influence of Finite Three Dimensional Multiple Axial Erosions on the Fatigue Life of Partially Autofrettaged Pressurized Cylinders
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Topics: Autofrettage, Cylinders, Erosion, Fatigue life, Fracture (Materials), Displacement, Finite element methods, Finite element model, Geometry, Stress
Journal Articles

The Influence of Finite Three-Dimensional Multiple Axial Erosions on the Fatigue Life of Partially Autofrettaged Pressurized Cylinders

C. Levy, Professor, Mem. ASME, M. Perl, Professor, Mem. ASME, Q. Ma, Mem. ASME
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. November 2003, 125(4): 379–384.
https://doi.org/10.1115/1.1616582
Published Online: November 4, 2003
View Article titled, The Influence of Finite Three-Dimensional Multiple Axial Erosions on the Fatigue Life of Partially Autofrettaged Pressurized Cylinders
Open the PDF for The Influence of Finite Three-Dimensional Multiple Axial Erosions on the Fatigue Life of Partially Autofrettaged Pressurized Cylinders in another window
Topics: Autofrettage, Erosion, Fracture (Materials), Cylinders
Journal Articles

Erosions and Their Effect on the Fatigue Life of Thick Walled, Autofrettaged, Pressurized Vessels

C. Levy, M. Perl, Q. Ma
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. August 2003, 125(3): 242–247.
https://doi.org/10.1115/1.1593698
Published Online: August 1, 2003
View Article titled, Erosions and Their Effect on the Fatigue Life of Thick Walled, Autofrettaged, Pressurized Vessels
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Topics: Autofrettage, Erosion, Fracture (Materials)
Journal Articles

The Influence of Multiple Axial Erosions on a Three-Dimensional Crack in Determining the Fatigue Life of Autofrettaged Pressurized Cylinders

C. Levy, Professor, Mem. ASME, M. Perl, Mem. ASME, Professor and Dean, Q. Ma, Mem. ASME
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. February 2002, 124(1): 1–6.
https://doi.org/10.1115/1.1386656
Published Online: May 22, 2001
View Article titled, The Influence of Multiple Axial Erosions on a Three-Dimensional Crack in Determining the Fatigue Life of Autofrettaged Pressurized Cylinders
Open the PDF for The Influence of Multiple Axial Erosions on a Three-Dimensional Crack in Determining the Fatigue Life of Autofrettaged Pressurized Cylinders in another window
Topics: Erosion, Fracture (Materials), Autofrettage, Cylinders
Journal Articles

The Influence of Multiple Axial Erosions on the Fatigue Life of Autofrettaged Pressurized Cylinders

M. Perl, Mem. ASME, Professor and Dean, Faculty of Engineering Sciences,, C. Levy, Mem. ASME, Professor,, Q. Ma
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. August 2001, 123(3): 293–297.
https://doi.org/10.1115/1.1372325
Published Online: February 5, 2001
View Article titled, The Influence of Multiple Axial Erosions on the Fatigue Life of Autofrettaged Pressurized Cylinders
Open the PDF for The Influence of Multiple Axial Erosions on the Fatigue Life of Autofrettaged Pressurized Cylinders in another window
Topics: Autofrettage, Cylinders, Erosion, Fracture (Materials), Stress, Fatigue life