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Published: 30 August 2021
Fig. 2 Recommended placement of the cutting fluid stream in the cutting zone More
Image
Published: 01 June 2019
Fig. 3 Analysis of the cutting fluid by EDS revealed the presence of detectable carbon and oxygen. More
Image
Published: 01 June 2019
Fig. 13 Analysis of the cutting fluid and Coolant 2 by FTIR produced absorption bands indicative of hydrocarbon-based oils and additives. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001629
EISBN: 978-1-62708-235-8
... Representative copper parts. Tinting is evident. Representative nondiscolored and discolored parts were evaluated to characterize any discernible differences and to determine the nature and cause of the discoloration. Several processing substances, including cutting fluid, two different coolants...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006826
EISBN: 978-1-62708-329-4
... preventive measures workpiece failures Machining-Related Failures Machining-related failures may be characterized as: Machining workpiece (in-process) failures: Machining condition and parameters contributing to (in-process) workpiece failures: Machine tool, cutting tool, cutting fluid...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0090454
EISBN: 978-1-62708-220-4
... Abstract A chemical storage vessel failed while in service. The failure occurred as cracking through the vessel wall, resulting in leakage of the fluid. The tank had been molded from a high-density polyethylene (HDPE) resin. The material held within the vessel was an aromatic hydrocarbon-based...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006795
EISBN: 978-1-62708-295-2
... conditions) material surface occurs, including removal of chemicals (e.g., lubricants and cutting fluids remaining after production), a change of topography (removal of grinding marks, etc.), removal of fragments weakened or damaged during the production stage, generation of defects (cracks, etc.), embedment...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001798
EISBN: 978-1-62708-241-9
...Hardness test results of the three encapsulants Table 1 Hardness test results of the three encapsulants Specimen Normal Softened Fluid Hardness (shore A) 93 64 (Flow) a a Represents that there is no result because the specimen is too soft to test its hardness...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001510
EISBN: 978-1-62708-217-4
... observed hydraulic fluid spraying from the top of the aircraft. The aircraft was then grounded for complete evaluation of hydraulic system integrity. Non-destructive inspection of main rotor head components revealed the presence of a through thickness crack along the leading edge of the grip, sufficient...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048791
EISBN: 978-1-62708-234-1
... cross was visually inspected. It consisted of about a 180-mm (7-in.) square that had a maximum thickness of 60 mm (2.37 in.). It included a weld-preparation area that was about 16 mm (0.625 in.) thick. One side of the specimen had been flame cut, while the other had been sawed. The outside surface...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003568
EISBN: 978-1-62708-180-1
... is the progressive loss of original material from a solid surface due to mechanical interaction between that surface and a fluid, a multicomponent fluid, an impinging liquid, or impinging solid particles ( Ref 1 ). Erosion is a rather broad term and can be further classified into a number of more specific terms...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001314
EISBN: 978-1-62708-215-0
... of the horizontal axis coils. Visual examination of the inside of the tubing indicated the presence of a carbonaceous deposit resulting from decomposition of the heat-exchanging fluid. Subsequent metallographic examination and microhardness testing indicated that the steel was heated to a temperature above...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001575
EISBN: 978-1-62708-217-4
... by overheating. It is very important to highlight that engine syntetic lubricating fluid looses properties and begins to release carbon deposits in the range of 230 ÷ 250°C. Neither carboned deposits nor burnt oil film were detected during visual examination of the frozen components. On the other hand...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001664
EISBN: 978-1-62708-226-6
... loosened some of this material, though most of it was very tenacious. It may be a corrosion product from reaction with body fluids, or a dried body fluid deposit. Fig. 5 Scanning electron micrographs from both ends of screw hole showing radial markings pointing to the origin of fracture (at arrows...
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
... of wear and then refine these in terms of specific operational features. The term abrasive wear is used to describe situations where the principal cause of the wear is scratching or cutting by abrasive particles. The term nonabrasive wear is used to describe all other wear situations involving contact...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001319
EISBN: 978-1-62708-215-0
... of cleaning practices that cause long-term exposure to chlorine-containing cleaning fluid, and solution annealing of the dished ends at 1050 deg C (1920 deg F) for 1 h followed by water quenching to relieve residual stresses. Contaminants Marine environments Transgranular corrosion 304L UNS S30403...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001634
EISBN: 978-1-62708-221-1
... Abstract The boom lift equalizer hose on an excavator failed and the resultant release of high-pressure hydraulic fluid damaged the operator cabin. The hose was a heavy duty, high-impulse, multiple-spiral wire-reinforced, rubber covered hydraulic hose equivalent to 100R13 specifications as set...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
... of a deposit removed from a fracture surface that experienced stress corrosion may not reveal the corrodent that caused the SCC. Often the fracture surface is flushed with water or cleaned prior to testing. Liquid penetrants, cleaning fluids, cutting fluids, and solvents may alter the chemical composition...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... in a laboratory, the requirements for on-site testing may involve the use of portable laboratories with metallographic equipment for grinding, mechanical polishing, and etching. Small specimens can be cut from a part on the site for preparation, examination, and photography immediately or upon return to a fully...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001558
EISBN: 978-1-62708-217-4
... comprised a cut-out in the internal surface to accomodate a cam follower bearing which was part of the valve operating mechanism. A schematic of the longitudinal cross-section of the valve is shown in Fig. 1(a) indicating the location of the cut-out. Figure 1(b) shows a transverse cross-section through...