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damage tolerance criterion

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... fluctuations. This article begins with an overview of fatigue properties and design life. This is followed by a description of the two approaches to fatigue, namely infinite-life criterion and finite-life criterion, along with information on damage tolerance criterion. The article then discusses...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003515
EISBN: 978-1-62708-180-1
... Abstract This article provides information on life assessment strategies and conceptually illustrates the interplay of nondestructive evaluation (NDE) and fracture mechanics in the damage tolerant approach. It presents information on probability of detection (POD) and probability of false alarm...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001081
EISBN: 978-1-62708-214-3
... under estimated, which led to low-cycle fatigue cracking earlier than expected. Fracture mechanics analysis of the disks was carried out to assess their damage tolerance and to predict safe inspection intervals. Fatigue life Fracture mechanics Gas turbine engines Jet planes Low-cycle fatigue...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... propagation in different environments. The article concludes with a discussion on rolling-contact fatigue, macropitting, micropitting, and subcase fatigue. corrosion fatigue crack growth crack initiation damage tolerance criterion fatigue fracture fatigue strength fatigue-crack propagation finite...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... “safe-life” to damage-tolerant design philosophy Development of materials with improved toughness Seam-welded high-energy piping failures ( Ref 12 ) 1986–2000 Cavitation and creep voids in welds resulting in catastrophic high-energy rupture Development of elevated-temperature life assessment...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006802
EISBN: 978-1-62708-329-4
... of stiffeners on stress distribution Establishment of aircraft structural integrity program in 1958 F-111 aircraft 94 wing pivot fitting ( Ref 11 ) 1969 Fatigue failure due to material defect in high-strength steel Improved inspection techniques Change from fatigue “safe-life” to damage-tolerant design...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006819
EISBN: 978-1-62708-329-4
... of high-cycle welded fatigue methods, cycle-counting techniques, and a discussion on ratcheting are also offered. A historical synopsis of fatigue technology advancements and commentary on component design and fabrication strategies to mitigate fatigue damage and improve damage tolerance are provided...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
... understood, then it may be most difficult to prevent it from happening again. For example, consider a part with a fillet radius that is somewhat sharper than indicated on a drawing, and that the part fails at the fillet radius. Did the part fail because the fillet radius was out of design tolerance, or did...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003530
EISBN: 978-1-62708-180-1
... with a fillet radius that is somewhat sharper than indicated on a drawing, and that the part fails at the fillet radius. Did the part fail because the fillet radius was out of design tolerance, or did it fail because of some other application or manufacturing factor(s)? A safety factor was probably used when...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001504
EISBN: 978-1-62708-217-4
... from the ingress and accumulation of moisture at the axle locating hole and pin joint. Fracture mechanics modelling showed that, because of the high operational stresses and poor damage tolerance properties of H11 steel employed (mean room temperature fracture toughness of approximately 37 MPa...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003558
EISBN: 978-1-62708-180-1
... caused by wear. Typically, it is the geometrical or profile aspects of these changes, such as a dimensional change, a change in shape, or residual thickness of a coating, that cause failure. However, a change in appearance and the nature of the wear damage also can be causes for failure. An example...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... in this article deal with metals, but the concepts also apply to nonmetals. Materials as diverse as metals, polymers, and wood are all susceptible to distortion, although the way the damage takes place may differ somewhat among the different classes of material. Distortion failures are ordinarily considered...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
... may differ somewhat among the different classes of material. Distortion failures are ordinarily considered to be self-evident, for example, damage of a car body in a collision or bending of a nail being driven into hard wood. However, the failure analyst is often faced with more subtle situations...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
..., be they loss of production, property damage, injury, or fatality. The discipline has also been used effectively as a teaching tool for new or less experienced engineers. The importance and value of failure analysis to safety, reliability, performance, and economy are well documented. For example...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
... specification (or functions) and the underlying physical concept and preliminary layout to achieve the intended functions A detailed design stage involving both the qualitative definition of part configuration and the quantitative analysis of design parameters (e.g., dimensions, tolerances, materials...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
... specification (or functions) and the underlying physical concept and preliminary layout to achieve the intended functions A detailed design stage involving both the qualitative definition of part configuration and the quantitative analysis of design parameters (e.g., dimensions, tolerances, materials...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... or parties may be liable for losses, be they loss of production, property damage, injury, or fatality. The discipline has also been used effectively as a teaching tool for new or less experienced engineers. The importance and value of failure analysis to safety, reliability, performance, and economy...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003513
EISBN: 978-1-62708-180-1
... ). In addition, the FAD is the recommended approach for the damage-tolerance analysis of ship structures ( Ref 8 ). The background and derivations of the FAD were the subject of a theme issue of The International Journal of Pressure Vessels and Piping ( Ref 9 ). Applications of, and experience with, the FAD...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003505
EISBN: 978-1-62708-180-1
... defects products liability PRODUCTS LIABILITY is a legal term for the action whereby an injured party (plaintiff) seeks to recover damages for personal injury or property loss from a producer and/or seller (defendant) when the plaintiff alleges that a defective product caused the injury or loss...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... OVERLOAD FAILURES, from the perspective of materials failure analysts, refer to the ductile or brittle fracture of a material when stresses exceed the load-bearing capacity of the material from either excessive applied stress or degradation of the load-bearing capacity of the material from damage...