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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
... natural frequency. This evidence demonstrated the futility of the manufacturer in trying to solve the problem by balancing the large roll and showed that the design needed modification. The ultimate solution was a complete redesign of the tension roll support. Large drag lines are used to remove...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001813
EISBN: 978-1-62708-180-1
... in an arc that causes local melting of the metal being plated. Because the motion of the barrel rapidly moves the spring away from the dangler, the spot of molten metal caused by arcing is quenched instantly by the plating solution and by the mass of the cold metal of the spring. Fatigue fracture...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
..., and service conditions. Once the failure is accurately classified, corrective action and recommendations can be made. Appropriate solutions can involve redesign, change in materials selection or processing, quality control, changes in maintenance or inspection schedules, protection against environment...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001341
EISBN: 978-1-62708-215-0
... included reducing the tube temperature, replacing the Schedule 40 100 deg bends with Schedule 80 pipe, and solution annealing the pipe after bending. Boiler tubes Brittle fracture Contaminants Creep (materials) Ductility Intergranular fracture Lead (metal), Impurities Mechanical properties...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001802
EISBN: 978-1-62708-241-9
... electrode for 24 h in an H 2 SO 4 , pH = 1 solution with arsenic trioxide as a recombinant poison. Following removal, the hydrogen-embrittled wire sections were fractured in bending at very low strains/loads and examined using SEM. As-drawn, electropolished, and centerless ground wires were subjected...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003516
EISBN: 978-1-62708-180-1
... Effects are Significant Step 3: Interpret the S-N Data Step 4: Calculate the Cumulative Damage and Apply a Scatter Factor Step 1: Develop the Stress Spectrum Step 2: Choose an Appropriate Crack Geometry and Obtain the Stress-Intensity Factor Solution Step 3: Obtain da/dN Data and Choose...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... is on the analysis of bearings that have failed or are failing so that solutions may be found for the problem. Segments of a long-lived bearing may fail by fatigue. A bearing may have many cycles of varying load on it, as in engines, or may have an unbalanced load, as in other machinery. Fatigue failure...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... and quantitative. The polishing technique used should not introduce extraneous structures such as disturbed metal ( Fig. 10 ), pitting ( Fig. 11 ), dragging out of inclusions, “comet tailing” ( Fig. 12 ), staining ( Fig. 13 ), relief (height differences between different constituents, or between holes...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003519
EISBN: 978-1-62708-180-1
... the root cause(s) of the failure and recommends corrective action(s). Many failure investigations end after step 2 (determine root cause). It is just as important to provide steps 3 and 4. Additionally, it would also be good to provide an evaluation of the solution. Many failure investigations discover...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003502
EISBN: 978-1-62708-180-1
... trailer brakes had started to smoke, and he found that the brakes were partially applied even when he wasn't using them. He assumed that the brakes were running hotter because he was driving faster through the hills without the load of the bulldozer, and that this heat was causing his brakes to drag...
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
... to the contact path due to shear. Friction in rolling and sliding contact can arise from asperity interlock, adhesion, or abrasion by debris trapped between the contacting surface and viscous drag of the lubricant. A qualitative model ( Ref 27 ) was presented to describe the microchipping wear mode in ceramic...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006755
EISBN: 978-1-62708-295-2
...? The four-step problem-solving process that most engineers learn is a good overall view of a failure investigation: What is the problem? What is the root cause of the problem? What are the potential solutions? What is the best solution? Therefore, a good definition of a failure...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
...-passive metal as a function of solution oxidizing power (electrode potential) Fig. 2 Corrosion deposits on the outer-diameter surface of type 304 stainless steel inner braid wire strands used as reinforcement in a polytetrafluoroethylene hose used for chemical transport. Note corrosion at wire...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... °C (2012 °F) (arrows point to grain-boundary copper penetration), and (b) SEM fractograph of the completely broken specimen Fig. 7 Light micrograph of a cross section of (a) a partially broken specimen and (b) a SEM fractograph of a completely broken specimen of solution-annealed AISI 304...
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
... carefully at the completed design to be sure that it is indeed appropriate and that it does not incorporate problems for which proper technological solutions have existed for some time. (For example, an independent assessment by a design review board, whose members have no parental pride in the design...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
... fretting Ti-6Al-4V (IMI 318) titanium alloy in a saline solution Fig. 30 Two views of an isometric projection of a scar in the crossed-cylinder arrangement Fig. 20 Fading of surface compressive stress induced with a number of fretting cycles by shot peening Fig. 27 Local...
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
... or sectioning destroy evidence needed for failure analysis. Fracture of a part in service is often intimately associated with the type of environment to which the part was exposed. Active chemical environments include water, salt air, salt water, acid solutions, alkaline solutions, molten metal, and even...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... Fig. 1 Example of fretting and related visible imprint on the main bearing shell. Adapted from Ref 10 . Reprinted with permission from MAN Energy Solutions Fig. 2 Fatigue crack generated by fretting damage in a rivet hole and fastened assemblies. Bottom two images reprinted from...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1