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fatigue properties

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Published: 01 January 2002
Fig. 13 Effect of hold time on the fatigue crack growth rate properties of 2.25Cr-1Mo cast steel. The 2 h hold time tests were performed in steam at 538 °C (100 °F). Source: Ref 13 More
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Published: 15 January 2021
Fig. 17 Effect of hold time on the fatigue crack growth rate properties of 2.25Cr-1Mo cast steel. The 2 h hold time tests were performed in steam at 538 °C (1000 °F). Source: Ref 28 More
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.a0001819
EISBN: 978-1-62708-180-1
.... Finally, the article discusses the fatigue properties of implant materials and the fractures of total hip joint prostheses. degradation fatigue properties fractures implant deficiencies internal fixation devices orthopedic implants prosthetic implants total hip joint prostheses...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001531
EISBN: 978-1-62708-231-0
... to the performance of cartwheel. Dynamic fracture toughness Fatigue property Performance evaluation Railroad wheels Static mechanical property Fe-0.55C-0.73Mn Fe-0.60C-0.85Mn Fe-0.5C-0.7Mn Rolling-contact wear Spalling wear Fatigue fracture 1. Introduction The railway system in China plays...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... parts are also discussed. The article concludes with a discussion on the influence of metallurgical factors and fabrication practices on the fatigue properties of materials, as well as the effects of surface coatings. abrasive wear adhesive wear axial fatigue bending fatigue brittle fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001645
EISBN: 978-1-62708-232-7
... that the brittle oxides that formed stringers were alumina, and the other macroinclusions were complex silicates. Both the alumina and silicate inclusions were deleterious to contact-fatigue properties. Microstructurally, the carburized regions of the broken roller and of inner-race samples contained high-carbon...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001852
EISBN: 978-1-62708-241-9
... Abstract A 2–3 mm thick electroformed nickel mold showed early cracking under thermal load cycles. To determine the root cause, investigators obtained monotonic and cyclic properties of electroformed nickel at various temperatures and identified possible fatigue mechanisms. With the help...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001780
EISBN: 978-1-62708-241-9
... Abstract A number of failures involving carbon and alloy steels were analyzed to assess the effects of inclusions and their influence on mechanical properties. Inclusions, including brittle oxides and more ductile manganese sulfides (MnS), affect fatigue endurance limit, fatigue crack...
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
... so. Many service failures still occur by fatigue, despite the well-defined characterization of fatigue properties in the laboratory. In part, the difficulty is that fatigue behavior is influenced by a great many variables such as the magnitude and frequency of application of the fluctuating...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001596
EISBN: 978-1-62708-225-9
... conditions, also plotted on Fig. 11 . The lower fatigue properties were due to two early failures (270 K cycles) at 8 mm displacement, which could not be explained. Without these two premature failures, the Goodman Diagram would have been consistent with the Spring B failures. Summary of fatigue tests...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001056
EISBN: 978-1-62708-214-3
... Chemical analysis showed that the composition of the pipe agreed with the standard specification for AISI 347 stainless steel. Mechanical Properties Fatigue Properties Several specimens were low-cycle fatigue tested, including a set with the same coarse grinding marks found in the failed pipe...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001763
EISBN: 978-1-62708-241-9
... was manufactured from medium carbon steel grade SAE/AISI 1045 with elastic modulus of 200 GPa, density of 7800 kg/m 3 , and Poisson’s ratio of 0.3. Typical mechanical properties are given approximately as 585 MPa for yield strength, 655 MPa for ultimate strength, and 328 MPa for fatigue strength [ 10 , 11...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001149
EISBN: 978-1-62708-232-7
... 445°C in the manifold. The fatigue properties of COR-TEN steel used in the failure analysis were verified by tests. Material which had originally been purchased for use in the duct but which was never used was soaked for 100 hours at 540°C (1000°F). This material had seen no prior strain damage...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001135
EISBN: 978-1-62708-219-8
... higher than specified by the ASTM standards. The fatigue crack growth rate through this area was much faster than expected. All of these property changes resulted from increased carbon levels, higher yield strength, and larger than normal grain size. Bridges (structural) Grain size Segregation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
... and roughness was needed. Brittle fracture was concluded to be the dominant wear mode. The effect of composition and physical properties of silicon nitride on rolling wear and fatigue performance was studied using a ball-on-rod machine ( Ref 47 ). Three commercial bearing materials were tested at maximum...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001388
EISBN: 978-1-62708-215-0
... of a failed bolt. Hardness ranged from 357 to 381 HV. Tensile Properties Based on the Vickers hardness results, the tensile strength of the bolt material was approximately 1200 MPa (175 ksi). Fatigue Properties Fatigue testing of an unfailed bolt was performed under tension-tension cyclic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001583
EISBN: 978-1-62708-217-4
... condition. A tensile specimen was fabricated from each of the six retaining rods in order to confirm the mechanical properties of the H1050 heat treatment. Only one tensile specimen was fabricated from each retaining rod, since a heavier priority was placed on fatigue testing (see Table 4 ). Cylindrical...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... Properties, Hysteresis Loop Shape, and Kinematic Hardening of Two High-Strength Bearing Steels , Metall. Trans. A , Vol 21 ( No. 2 ), 1990 , p 653 – 665 10.1007/BF02671936 27. Kabo E. and Ekberg A. , Fatigue Initiation in Railway Wheels—A Numerical Study of the Influence of Defects...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0048592
EISBN: 978-1-62708-218-1
... fractured cap screws. It was found that the two cap screws failed in fatigue under service stresses. The three bearing caps and the universal-joint spider broke in a brittle manner. The properties of the material in the cap screws did not fulfill the specifications. The modified 1035 steel...