1-20 of 46 Search Results for

Peel tests

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0045926
EISBN: 978-1-62708-235-8
... the nickel-phosphorus side of the clad bimetal onto an epoxy film, so that the end product contained nickel-phosphorus sandwiched between copper and epoxy, with a chromate conversion layer on the epoxy side of the nickel-phosphorus. Peel testing showed abnormally low adhesion strength for the bad batch...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001909
EISBN: 978-1-62708-235-8
... the weldments. Radiographic examination did not reveal significant nonconformities within the welds. Initial peel tests resulted in sheared welds and unacceptably low loads. Figure 1 shows an example of a sheared plug weld. Note the burning that occurred on the underside of the parent material, indicating...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001266
EISBN: 978-1-62708-215-0
...Abstract Abstract A cast stainless steel femoral head replacement prosthesis fractured midway down the stem within 13 months of implantation. Visual examination showed severe “orange peel” around the fracture on the concave side. This effect was not observed on the convex side, which suggested...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001130
EISBN: 978-1-62708-214-3
... and peeling. However, the small 9.5 mm ( 3 8 in.) diam holes generate a stress-concentration factor ( K f ) of about 2, creating a notch effect and enhancing crack mechanisms, particularly in brittle materials. Steel strip thicknesses were between 0.42 and 0.44 mm (0.0165 and 0.0175 in.) thick...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001317
EISBN: 978-1-62708-215-0
... in the orange peel region. Fig. 5 Numerous craks at the tip of a U-shape strip from dished end 1. Testing was conducted per ASTM Standard A262, Practice E, for assessment of the extent of sensitization. Fig. 6 Orange peel structure on the tip of a U-shape strip taken from dished end 2 per ASTM...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001613
EISBN: 978-1-62708-235-8
... and the cracks ( Fig. 4 ) in the metal, and pores in the copper plating and also the peeling off of the plating ( Fig. 5 ) when precipitation occurred at the metal/plating interface. The fracture surface near the ID, OD, and edges of the oil hole was generally a brittle, intergranular typical of hydrogen...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001290
EISBN: 978-1-62708-215-0
... the engines and undercarriage were severed, the aircraft was resting on the underside of the fuselage, beyond the end of the runway ( Fig. 1 ). The front toilet and cockpit areas had suffered extensive damage. The paint on the external skin above the front toilet had peeled off, and a hole was found...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0046366
EISBN: 978-1-62708-236-5
... 10.31399/asm.hb.v11.a0003560 The hardness and adherence of the chromium plating on the cylinder were checked with a steel file and a vibratory etching tool and were found to be satisfactory. No lifting or peeling of the plate was noted in the areas tested. Microscopic examination of a cross...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
.... Macro Ductile Tensile Fractures Macro ductile tensile fractures exhibit necking—simultaneous diminishing of the diameter and lengthwise stretching—before the final break ( Fig. 4 ). This is often accompanied by “orange peel,” in which each grain deforms in a slightly different manner. Orange peel...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0045988
EISBN: 978-1-62708-235-8
... in the specimen from the broken strap at a bend angle of approximately 20°. Fracture occurred by transgranular cleavage with a slight amount of grain-boundary separation. The specimen from the unfailed strap was bent through an angle of approximately 180° with no cracking and only slight orange peel...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001241
EISBN: 978-1-62708-235-8
... in wet hydrogen of 1 atm pressure, etched in picral, 100 ×. 900° C. Fig. 3 Edge structure of a nitride plunger. Nitride layer peeled off because of decarburisation. Cross section, etched in picral. 100 × Fig. 4 Edge structure of a spring washer of silicon steel, broken ahead of time...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001391
EISBN: 978-1-62708-215-0
..., or breakdown, of the epoxy coating. 19.25× Examination of various group 8 resistors, which failed by die shear, revealed two different types of termination failures. The first, and apparently most prevalent, type was that of total delamination ( Fig. 3 ). The end terminations peeled from the substrate...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001269
EISBN: 978-1-62708-215-0
... Action How Failure Could Have Been Prevented Gear reduction motors drive the rotating hobs into the steel stock which is radially indexed to cut the circumferences of the rings. A new off-the-shelf hob was inserted into a gear cutter. The gear manufacturer stated that the hob teeth “peeled...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... the effects of load frequency and temperature, material condition, and manufacturing practices on fatigue strength. It provides information on subsurface discontinuities, including gas porosity, inclusions, and internal bursts as well as on corrosion fatigue testing to measure rates of fatigue-crack...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
... a smooth metal. Increase in load and speed results in higher wear of FRP through different mechanisms. High load results in more fiber cracking and pulverization leading to deterioration in load carrying capacity, while high speed accelerates the debonding of fibers/fillers. This results in easy peeling...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001834
EISBN: 978-1-62708-241-9
... of 0.4 mm was observed on the outer surface of the tube. The inner surface had a uniform dark gray oxide layer, which was wrinkled and peeling off. Fig. 1 Service-exposed Reheater tube ( a ) appearance of failure tubes, with deposit on fire-side and inner oxide scale peeling off, ( b ) pits...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001517
EISBN: 978-1-62708-217-4
... to help determine the nature of the resin anomaly. A portion of the top ply was manually peeled from the rest of the laminate and inserted into the SEM in order to determine if any of the anomalous areas exhibited any characteristic fracture features. The examination indicated that the resin anomalies did...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
...). Detail A: Sections through failure area showing original design, first revised design, and final design. OD, outside diameter Fig. 24 Schematic illustration of stress distribution in two types of rotating shafts with press-fitted elements under a bending load Fig. 25 Peeling-type...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... The failure analyst should have copies of the detail and assembly drawings as well as the material and testing specifications that involve the shaft. Potential stress raisers or points of stress concentration, such as splines, keyways, cross holes, and changes in shaft diameter, should be noted. The type...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001548
EISBN: 978-1-62708-219-8
... delaminated from the panels and had extensive cracks. In peeling the aluminum from the plywood it was immediately apparent that the aluminum was failing due to corrosion at the plywood-aluminum interface. It was also observed that wherever corrosion occurred, there was little or no evidence...