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Grips

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090427
EISBN: 978-1-62708-222-8
... Abstract A set of plastic grips from an electric consumer product failed while in service. The grips had been injection molded from a general-purpose grade of ABS resin. The parts had cracked while in use after apparent embrittlement of the material. Investigation (visual inspection, SEM...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089256
EISBN: 978-1-62708-235-8
... Abstract Alloy steel forgings used as structural members of a ski chair lift grip mechanism were identified to have contained forging laps (i.e., sharp-notched discontinuities) during an annual magnetic particle inspection of all chair lift grip structural members at a mountain resort...
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
... direction that must be considered of primary importance in material selection for design configuration. A Navy UH-1N helicopter main rotor blade grip manufactured from a 2014-T6 aluminum alloy forging failed because of a design flaw that left a high residual tensile stress along the short transverse plane...
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Published: 01 January 2002
Fig. 26 Fractured pin and gripping cam made from AISI S5 tool steel. (a) These fractures occurred when the plate-lifting clamps containing these parts failed early in service. (b) As shown by this macroetched (10% aqueous nitric acid) pin, both the cam and the pin were heavily decarburized. (c More
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Published: 01 January 2002
Fig. 15 Scanning electron image showing isolated degradation of the grip material. 30× More
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Published: 01 January 2002
Fig. 16 The FTIR spectrum obtained on the grip surface. The spectrum contains absorption bands indicative of glyceride derivatives of fats and oils in addition to bands associated with the base ABS resin. More
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Published: 01 January 2002
Fig. 16 Microstructure of forging lap in another ski lift grip component. As-polished. 111× More
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Published: 30 August 2021
Fig. 26 Fractured pin and gripping cam made from AISI S5 tool steel. (a) These fractures occurred when the plate-lifting clamps containing these parts failed early in service. (b) As shown by this macroetched (10% aqueous nitric acid) pin, both the cam and the pin were heavily decarburized. (c More
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Published: 01 June 2019
Fig. 2 Microstructure of forging lap in another ski lift grip component. As-polished. 111x More
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Published: 15 January 2021
Fig. 28 Microstructure of forging lap in another ski lift grip component. As-polished. Original magnification: 111 × More
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Published: 01 June 2019
Fig. 1 Scanning electron image showing isolated degradation of the grip material. 30x More
Image
Published: 01 June 2019
Fig. 2 The FTIR spectrum obtained on the grip surface. The spectrum contains absorption bands indicative of glyceride derivatives of fats and oils in addition to bands associated with the base ABS resin. More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001278
EISBN: 978-1-62708-215-0
... Abstract Metal-framed polycarbonate (PC) ophthalmic lenses shattered from acetone solvent-induced cracking. The lenses exhibited primary and secondary cracks with solvent swelling and crazing. A laboratory accident splashed acetone onto the lenses. The metal frames gripped approximately two...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001228
EISBN: 978-1-62708-229-7
... milled blades without binding wires and cover band. They did not fracture at the fastening, i.e. the location of highest bending stress, but in a central region which was 165 to 225 mm away from the gripped end. The blades were fabricated from a stainless heat-treatable chromium steel containing 0.2C...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0047158
EISBN: 978-1-62708-226-6
... Abstract The pointed ends of several stainless steel forceps split or completely fractured where split portions broke off. All the forceps were delivered in the same lot. The pointed ends of the forceps are used for probing and gripping very small objects and must be true, sound, and sharp...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001170
EISBN: 978-1-62708-225-9
... in one of four places in which the cross section was weakened by short grooves that served as tool grips for tightening the cover. The fracture propagated from the base of the thread and followed it in a circumferential direction until it was broken through radially at the top across the ring due...
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Published: 01 January 2002
Fig. 44 Two shear knives made from AISI H13 tool steel. The knives were used to grip hot-rolled bars after rolling so that they could be separated. The knives failed by spalling of the gripping edge after normal service life. More
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Published: 30 August 2021
Fig. 44 Two shear knives made from AISI H13 tool steel. The knives were used to grip hot rolled bars after rolling so that they could be separated. The knives failed by spalling of the gripping edge after normal service life. More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001284
EISBN: 978-1-62708-215-0
... fractured at the thumb position on the riser grip. Figure 1 shows the stock riser and a broken riser. Examination of both sides of the grip revealed surface flow lines visibly present at the thumb position ( Fig. 2 ). Flow lines can be an indication of cold shuts, which result when two solidification...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001784
EISBN: 978-1-62708-241-9
... requirement to meet a functional durable socket is to have a strong but tough core with hard and wear-resistant surface attributes. Wrench socket shown in Fig. 1 fractured during hand tightening of a socket under ambient conditions. Closer observation indicated failure started at the thinnest grip wall...