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Pressure cells

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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001386
EISBN: 978-1-62708-215-0
... fracture that was preceded by a small fatigue region. Pitting corrosion was evident at the fracture origin. The areas around the load cells had been subjected to regular washdowns using high-pressure hot water, and the pitting was attributed to crevice corrosion between the load cell and the holddown bolts...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001632
EISBN: 978-1-62708-234-1
... temperature cycles calculated to be from 400 to 30 deg C (752 to 86 deg F). The window was activated to >200 Sv/h. It was determined through analysis using remote handling techniques and hot cells that the crack initiated near a spot weld used to affix thermocouples to the window surface. In addition...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001820
EISBN: 978-1-62708-241-9
... that the sulfur content is in the level of 24,000 ppm. Fluid circulating through the wellhead flow control valve is sour gas with wet H 2 S. The upstream pressure is 1100 psi and the maximum working temperature 90 °C. These bodies (three valve bodies installed in different sour gas wells) have been operating...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006911
EISBN: 978-1-62708-395-9
... of polymers and the tribometers and instrumentation used to measure the tribological properties of polymers. The article discusses the processes involved in calculating the wear rate of polymers and the methods of characterization of the sliding interface. It provides information on the pressure and velocity...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... of temperature, pressure, salinity, and pH ( Ref 1 ). In the 1950s, pioneering work by Zobell isolated sulfate-reducing bacteria (SRB) that grew at 104 °C (219 °F) and pressures of 1000 bar from oil-bearing geological formations deep underground ( Ref 15 ). Microbial communities exist in environments as diverse...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001823
EISBN: 978-1-62708-241-9
..., approximately 22 cm (8.7 in.) OD x 0.5 cm (0.2 in.) wall thickness, which was electric resistance welded along the longitudinal seam. The pressure at the time and location of the failure was 2760 kPa, which corresponds to 20% of the specified minimum yield strength. The cause of failure (based on visual...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001525
EISBN: 978-1-62708-220-4
.... The containers were then filled with the slightly alkaline solution, pressurized, and allowed to stand under ambient conditions. A small number, less than 1%, were returned because they began to leak in service. Inspection revealed general corrosion and pitting on the inner surfaces. However, other tanks...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001338
EISBN: 978-1-62708-215-0
... Abstract Copper tubes from the cooler assemblies of a large air-conditioning unit exhibited leakage upon installation of the unit. Sections from two leaking tubes and one nonleaking tube were subjected to pressure testing and microscopic examination. The cause of leaking was determined...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001486
EISBN: 978-1-62708-234-1
... Abstract Cavitation damage of diesel engine cylinder liners is due to vibration of the cylinder wall, initiated by slap of the piston under the combined forces of inertia and firing pressure as it passes top dead center. The occurrence on the anti-thrust side may possibly result from bouncing...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... Abstract This article describes the characteristics of tubing of heat exchangers with respect to general corrosion, stress-corrosion cracking, selective leaching, and oxygen-cell attack, with examples. It illustrates the examination of failed parts of heat exchangers by using sample selection...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001143
EISBN: 978-1-62708-229-7
... for improved blade performance and survival in the harsh environment of a steam turbine (see, for example, References 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 ). The results of surveys conducted by EPRI have indicated that a predominant number of turbine blade failures occur in low pressure (LP...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001765
EISBN: 978-1-62708-241-9
... (CPP) are very important when a coating is to be used with CP [ 1 ]. Results of cathodic disbonding tests have indicated that, in general, thicker coatings show better results. Furthermore, an increase in the value of CPP from – 850 mV versus Cu/CuSO 4 reference cell resulted in early blistering [ 2...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006915
EISBN: 978-1-62708-395-9
... blowing agents, or the addition of microballoons (hollow glass or plastic microspheres) to the polymer. This gas phase reduces the weight and thermal conductivity of the plastic. While the resulting foams are classified many ways, they can generally be divided into open-cell and closed-cell foams. In open...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
..., and their alloys, are susceptible to damage ( Ref 4 ). Titanium and its alloys appear to be generally resistant ( Ref 5 – 8 ), although modest pitting due to MIC has been demonstrated in the laboratory ( Ref 9 ). Viable microorganisms can be found over a wide range of temperature, pressure, salinity, and pH...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001320
EISBN: 978-1-62708-215-0
...) and is designed to operate at a pressure of 10.3 MPa (1500 psi) with a final steam Temperate of 513 °C (955 °F). A coordinated pH-phosphate system is used for water treatment. Well water is the source for the make-up water. Reportedly, all water treatment control limits, including the demineralizer...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
... fascias) High flexural and tensile strengths (piping, pressure vessels, storage silos, vehicle and aircraft structures) Light weight (aircraft parts, luggage) The critical requirements can also be related to the surface quality or shape of the component, such as its appearance; feel; ability...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001491
EISBN: 978-1-62708-217-4
... sections of two silica phenolic nozzle liners failed during proof pressure tests. The proof testing was conducted in Marquardt Jet Laboratory Test Cell No. 3 in Van Nuys, CA. in accordance with previously successful procedures. The combustion chamber assembly proof pressure testing is conducted upon...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
..., although for pressure pipe and conduit extrusion the MFI can be as low as 0.04 g/10 min. Notably, materials to be used in profile extrusion have an MFI of ~4 to 5 g/10 min, while materials that will be thermoformed after extrusion typically have an MFI of ~3 to 4 g/10 min. Semicrystalline thermoplastics...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006823
EISBN: 978-1-62708-329-4
... monitoring for continued operation of equipment such as pressurized vessels, piping systems, and storage tanks. Fitness-for-service assessments can be conducted at three levels (1, 2, and 3), with each level requiring increasing amounts of data and inspection of the equipment and level of expertise...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... pressure tests are useful for detecting discontinuities extending completely through the tube wall, but they are of little use in detecting discontinuities that extend only partly through the wall. In these cases, ultrasonic and eddy-current methods are more useful. These test methods allow the sensitivity...