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metallic pressure bars

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001437
EISBN: 978-1-62708-220-4
... Abstract A steam jacketed autoclave of orthodox design was fabricated from mild steel for a working pressure of 320 psi. The only unusual feature in its construction was a protective layer of weld metal, which was deposited on the internal surface of the upper half of the 1 in. thick shell...
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Published: 01 January 2002
fitting that was removed from the fractured lug. (b) The segment of the fractured lug (A) that remained attached to the launch bar. (c) The forward section of the lug shown in (b) after removal from the launch bar. Arrow A indicates the primary fracture side; arrow B, the secondary overload side. (d More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001447
EISBN: 978-1-62708-235-8
... of low melting point eutectics or corrosion; show a similar appearance when investigated on a macroscopic scale. Conductors (devices) Plate metal Turbogenerators Copper Hydrogen damage and embrittlement This article originally appeared in the issue of “Der Maschinenschaden” for December...
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Published: 15 January 2021
Fig. 5 Failed nose landing gear socket assembly due to liquid-metal-induced embrittlement (LMIE). (a) Overall view of the air-melted 4330 steel landing gear axle socket. Arrow A indicates the fractured lug; arrow B, the bent but unfailed lug. Arrow C indicates the annealed A-286 steel More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001287
EISBN: 978-1-62708-215-0
... for approximately four shifts per week for 2 months, after which the work rate was increased to three shifts per day until the occurrence of the failure 10 months later. Pertinent Specifications The billet-loading tray is of the split type, with one piston to each half. Air pressure is applied simultaneously...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0047817
EISBN: 978-1-62708-233-4
...-related failures The pushrod shown in Fig. 1 fractured two weeks after it was installed in a mud pump operating at 160 rpm with a discharge pressure of 14.4 MPa (2.1 ksi). The pushrod was made by joining two pieces of bar stock by inertia welding. Each piece was rough bored or drilled to produce...
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
.... Finally, the article presents practical fatigue assessment case studies of in-service equipment (pressure vessels) that employ DBA methods. damage tolerance design analysis fatigue damage mitigation fatigue life assessment fracture mechanics pressure vessels welds FATIGUE FAILURE of metal...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001326
EISBN: 978-1-62708-215-0
... were found to be leaking at the tips. Pertinent Specifications It was specified that the thermowells were to be fabricated from 20 mm (0.8 in.) diam AISI 316L stainless steel bar stock tested ultrasonically. All of the thermowells were to be able to withstand an internal pressure of 24.5 MPa...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... Abstract This article describes the general root causes of failure associated with wrought metals and metalworking. This includes a brief review of the discontinuities or imperfections that may be the common sources of failure-inducing defects in bulk working of wrought products. The article...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001477
EISBN: 978-1-62708-229-7
... that the multiple cracking had developed prior to the pressure test, it extended through almost 90% of the thickness of the material leaving only a narrow band of metal ( 1 2 in. wide) adjacent to the inner surface which sheared on the occasion of the test. As the evidence suggested that the region...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003569
EISBN: 978-1-62708-180-1
..., heat treatment, geometry, surface roughness, residual stress, etc.), cavitation resistance depends largely on liquid property, flow speed, vibration characteristics, temperature, hydrostatic pressure, and so on. For certain materials, cavitation resistance is related to hardness, but for most metallic...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001053
EISBN: 978-1-62708-214-3
... relieved after welding. A515 pressure vessel plate is carbon steel made to a coarse grain practice (silicon killed) and is intended for elevated-temperature use. However, the code permitted the alloy to be used to −30 °C (−20 °F), the minimum design metal temperature of the vessel. Performance of Other...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001609
EISBN: 978-1-62708-229-7
... of its resistance to chloride and sulfuric acid dewpoint corrosion under conditions potentially present in the HRSG low-pressure feedwater economizer. Intergranular corrosion and cracking were found in the weld metal and heat-affected zones. The hardness in these regions was up to 35 HRC, and the weld...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001617
EISBN: 978-1-62708-227-3
... Abstract Failures of various types of hydraulic couplings used to connect pipes in a naval vessel are described and used to illustrate some of the general procedures for failure analysis. Cracking of couplings, which were manufactured from nickel-aluminum- bronze extruded bar, occurred in both...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001578
EISBN: 978-1-62708-233-4
... Pumps Turbines Metal (Other, miscellaneous, or unspecified) failure (Other, general, or unspecified) fracture Cavitation wear Part I—Special Cases Case #1: Vibration in Hydroelectric Dam The entire structure of a hydroelectric dam would begin to vibrate whenever a hydroelectric turbine...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001142
EISBN: 978-1-62708-228-0
... Toughness of Metallic Materials. 4. Tada H. , Paris P.C. and Irwin G. , “The Stress Analysis of Cracks Handbook” , P2.1, Del Research Corporation, Hellertown, Pennsylvania( 1973 ) 5. JIS B 8243, Construction of Pressure Vessels Selected References Selected References...
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
... the theory-of-elasticity approach are in directions that correspond to the geometrical construction of the body. For example, Cartesian coordinates can be taken along an axis of a bar and perpendicular to the axis. For round shapes such as pipes or pressure vessels, the radial, circumferential, and axial...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001140
EISBN: 978-1-62708-227-3
... Abstract Several pressurized air containers (i.e., diving tanks) made of non-heat-treatable Al-5Mg aluminum alloy failed catastrophically. Catastrophic failure occurred when a subcritical stress corrosion crack reached a critical size. Critical crack size for unstable propagation was reached...
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
... of the body. For example, Cartesian coordinates can be taken along an axis of a bar and perpendicular to the axis. For round shapes such as pipes or pressure vessels, the radial, circumferential, and axial directions can be chosen. These are taken for convenience in the analysis of the stresses...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001789
EISBN: 978-1-62708-241-9
... initiation concerns were ruled out since the union nuts experience minimal cyclic loading because of the fact that the systems maintain pressure at all times other than scheduled maintenance, which occurs approximately once every 18–24 months [ 5 ]. The lack of significant cyclic stress is substantiated...