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surface finish

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089646
EISBN: 978-1-62708-235-8
... the failure. Recommendations included establishing closer control of chemical composition and foundry casting practices to alleviate the carbon-flotation form of segregation. Additionally, some nonmetallurgical practices in journal-finishing techniques were suggested to ensure optimal surface finish...
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Published: 01 June 2019
Fig. 5 Comparison of the surface finish of Jewelry 2. (a) Initial as-received condition. (b) After electropolishing in perchloric acid (ethanol) solution, 35 V for 10 s. Scanning electron microscope, 100× More
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Published: 30 August 2021
Fig. 31 Surface finish modification factor vs. tensile strength or Brinell hardness for different surface finishes. Adapted from Ref 90 More
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Published: 15 January 2021
Fig. 4 Example of correction factor for surface finish for steels. Source: Ref 1 More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001610
EISBN: 978-1-62708-222-8
.... The lack of resistance to pitting corrosion associated with the poor surface finishing of the stainless steel jewelry may induce localized corrosion, promoting the release of cytotoxic metallic ions (such as Cr, Ni, and Mo) in the local tissue, which can promote several types of adverse effects...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001640
EISBN: 978-1-62708-235-8
... of surface imperfections. Improving the surface finish or choosing a stronger alloy, were more likely to improve part durability than reducing the porosity. Complex failures Data interpretation Deviations from ideality Thinking errors Aluminum casting Casting-related failures A new supplier...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0046205
EISBN: 978-1-62708-225-9
... include redesign of the fillet radius to a minimum of 1.6 mm (0.06 in.) and a maximum surface finish in the spline area of 0.8 microns. Material for the shafts should be modified to a nickel alloy steel, heat treated to a hardness of 28 to 32 HRC before machining. Ductile brittle transition Shafts...
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
..., type of contact and vibration, impact fretting, surface finish, and residual stresses. The form, composition, and role of the debris are briefly discussed. The article also describes the measurement, mechanism, and prevention of fretting wear. It concludes with several examples of failures related...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001601
EISBN: 978-1-62708-235-8
... Abstract Flow forming technology has emerged as a promising, economical metal forming technology due to its ability to provide high strength, high precision, thin walled tubes with excellent surface finish. This paper presents experimental observations of defects developed during flow forming...
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Published: 01 January 2002
Fig. 18 Fine flaking damage on the surface of a shaft that served as a roller-bearing inner raceway. The flaking originated along the ridges of the surface finish of the shaft. More
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Published: 30 August 2021
Fig. 50 (a) Fine flaking damage on the surface of a shaft that served as a roller-bearing inner raceway. The flaking originated along the ridges of the surface finish of the shaft. (b) Flaking (also known as micropitting) due to poor lubrication within a cylindrical roller bearing More
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Published: 15 January 2021
Fig. 25 Examples of the formation of ratchet marks (RM) on fatigue fractures. (a) Screw shaft with rough surface finish. (b) Notch section of a fixing pin More
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Published: 15 January 2021
Fig. 19 Crater depth versus number of impacts for GS-44 silicon nitride counterfaces of varying surface finish impacted with a NBD-200 silicon nitride ball. Source: Ref 45 More
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Published: 01 January 2002
Fig. 17 Crater depth vs. number of impacts for GS-44 silicon nitride counterfaces of varying surface finish impacted with a NBD-200 silicon nitride ball. Source: Ref 33 More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001380
EISBN: 978-1-62708-215-0
.... Specimen Selection The two broken sections of the failed pitch horn bolt were subjected to a metallurgical examination. Testing Procedure and Results Surface Examination Surface Finish The surface finish of the failed bolt was measured. The engineering drawing specified a surface finish...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001910
EISBN: 978-1-62708-217-4
... analyses were conducted on the individual components: visual examination, surface finish, dimensional verification, magnetic particle inspection, metallography, chemical analysis, microhardness testing, macrohardness testing, coating thickness (where applicable), decarburization measurement (where...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001030
EISBN: 978-1-62708-214-3
..., when present. Otherwise, they were sectioned arbitrarily. Specimens were then sized for metallography as required. Visual Examination of General Physical Features Fastener holes 5.54 mm (0.218 in.) in diameter that contained cracks exhibited grooves and surface finishes rougher than required...
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
... normalized stock and had not been subsequently heat treated or surface hardened. In addition to the tensile and compressive stresses applied to the shaft, bending forces were present. Surface finish and sharp changes in surface geometry can be more important than the nominal cross- sectional area...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001377
EISBN: 978-1-62708-215-0
... into the normally sealed bearing cap chamber surrounding the bolt shank. A complete absence of fractures in bolts from one of the two vendors was attributed primarily to surface residual compressive stresses produced on the bolt shank by a finish machining operation after heat treatment. Shot cleaning, with fine...
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
... (205,000) 1,482 (215,000) 55.0 13.0 Typical H1050 [ 2 ] (Long.) 1,241 (180,000) 1,310 (190,000) 55.0 15.0 Surface Roughness Each of the six failed retaining rods were examined with respect to surface roughness. Both the thread roots and the outside surface finishes were examined. ARL...