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Alignment

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Published: 01 June 2019
Fig. 2 Cracks running across the indentations caused by the tool during alignment. (Photographed with the TESSOVAR, Carl Zeiss. Oberkochen). 37 × More
Image
Published: 30 August 2021
Fig. 17 Illustration of mismatch in a forging due to poor die alignment More
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Published: 01 June 2019
Fig. 5 Upper bainitic structure with aligned grains of unresolved pearlite (black). 100 × More
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Published: 01 June 2019
Fig. 3 Flaking on one track of self-aligning type of ball bearing. More
Image
Published: 01 June 2019
Fig. 3 Cross section through the eye showing cracking through the aligned stringer inclusions. Unetched. 2× More
Image
Published: 01 December 2019
Fig. 8 (a, b) Inner race; aligned carbides in the matrix of tempered martensite More
Image
Published: 01 January 2002
Fig. 76 Stress-strain plots for samples of Ti-6Al-4V, with sample axes aligned in the three principal directions of the material. Vickers hardness values appear in the schematic of a block of material. Source: Ref 81 More
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Published: 01 December 1992
Fig. 5 SEM micrograph showing aligned dendrites and associated niobium carbide particles. Note crack following interdendritic path. 1000×. More
Image
Published: 30 August 2021
Fig. 11 Cross section through the eye showing cracking through the aligned stringer inclusions. Unetched. Original magnification: 2× More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047673
EISBN: 978-1-62708-217-4
... widths. The weld deficiencies were traced to problems in forming and fit-up of the C-shape members and to difficulties in alignment and positioning of the weld tooling. The failure of the resistance spot welds was attributed to poor weld quality caused by unfavorable fit-up and lack of proper weld-tool...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001212
EISBN: 978-1-62708-235-8
... Abstract Operation handles produced from C45 steel showed many fine cracks at the flame hardened noses. The cracks ran from the corners of indentations caused by the tool during alignment. Metallographic investigation showed the nose was overheated during flame hardening. It was concluded...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047315
EISBN: 978-1-62708-225-9
... to have had significant effects on the fracture. Recommendations included carefully and properly aligning the flange surface with the roll holder to achieve uniform distribution of the load. Also, a more ductile metal, such as steel or ductile iron, would be more suitable for this application and would...
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
... Abstract A compression hip screw is a device designed to hold fractures in the area of the femur in alignment and under compression. A side plate, which is an integral part of the device, is attached by screws to the femur, and it holds the compression screw in position. The device analyzed had...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001585
EISBN: 978-1-62708-231-0
... fracture with short-term exposure to an oxygen-rich environment. Fracture features emanated from longitudinally-aligned inclusions rich in aluminum. Inclusions Rails (railroad) Carbon-manganese steel Mixed-mode fracture The National Transportation Safety Board simultaneously investigates...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001000
EISBN: 978-1-62708-229-7
..., microcracks, and aligned damage centers which showed up as voids upon repeated polish-etch cycles. Because of the local nature of creep damage that can occur, any inspection that involves in situ metallography must be conducted at exactly the right or critical position or the presence of damage may...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0047406
EISBN: 978-1-62708-232-7
... was revised to eliminate all tool marks. Surface hardening was applied to all tooth surfaces, including the root. Proper alignment of the pinion was ensured by carefully checking the meshing of the teeth at startup. Alignment Brinell hardness Gear teeth Stress concentration Fe-0.32C-1.57Cr-0.37Mo...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0049797
EISBN: 978-1-62708-235-8
... thread groove was visible on the fracture surface. Heavy oxidation at elevated temperatures was indicated as most of the surface of the flaw was black. Fine secondary cracks aligned transverse to the growth direction was revealed by scanning electron microscopy. It was established that intergranular...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001633
EISBN: 978-1-62708-221-1
... surface of the fatigue failure also contained corrosion deposit, suggesting that cracking occurred over a period of time sufficient to allow corrosion of the cracked surfaces. Replacement and alignment of the failed wheel hub was recommended along with inspection of the nonfailed wheel hubs that remained...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046418
EISBN: 978-1-62708-234-1
... contributing factors to localization of the cavitation erosion. Recommendations included adopting inspection procedures to ensure that the specified properties of aluminum alloy 6061-T6 were obtained and that the combustion chamber and adjacent components were aligned within specified tolerances. In a similar...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001761
EISBN: 978-1-62708-241-9
... during installation were also suspected as a possible cause of failure. In order to prevent fillet fatigue failure, final grinding should be done carefully and the grinding amount must be controlled to avoid substantial removal of the nitrided layer. Crankshaft alignment during assembly and proper...