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electromechanical polishing

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Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003747
EISBN: 978-1-62708-177-1
.... The article explains the final-polishing processes such as skid polishing, vibratory polishing methods, etch-attack and electromechanical polishing, and polishing with special abrasives. An overview of special polishing techniques for unusual materials such as very hard and very soft materials is provided...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003748
EISBN: 978-1-62708-177-1
... Abstract Metallographic preparation of a material involves the elimination of artifacts or scratches from fine polishing and may be achieved by methods such as attack polishing, vibratory polishing, chemical polishing, electrolytic polishing, and electromechanical polishing. This article...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003777
EISBN: 978-1-62708-177-1
..., electropolishing, as previously described, and electromechanical polishing are often used for molybdenum. Electromechanical polishing combines electrolytic and mechanical polishing. It is excellent for retention of second phases and inclusions, for providing the most realistic representation of porosity...
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Published: 01 December 2004
Fig. 23 Comparison of etch-attack and electrochemical methods of polishing tungsten, a representative refractory metal. (a) Polishing by an etch-attack technique using Al 2 O 3 abrasive suspended in an aqueous solution of potassium ferricyanide (KCN) and sodium hydroxide (NaOH). (b) Polishing More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002360
EISBN: 978-1-62708-193-1
... the electromechanical systems used in previous years. When selecting a specimen geometry and size, one must be aware of the load capacity of the actuator and load-frame. Loads that are too high cannot be applied, and those that are too low cannot be controlled with the required accuracy (±2%). In addition, the load...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003317
EISBN: 978-1-62708-176-4
..., and other hardware. Most modern mechanical testing laboratories exclusively use electroservohydraulic loadframes for FCGR investigations. Current controls and data acquisition technology have hydraulic loadframes more versatile than the electromechanical systems used previously. When selecting...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003788
EISBN: 978-1-62708-177-1
... The general procedures for sectioning, mounting, polishing, and etching electrical steels are essentially the same as those described for low-carbon steels. Silicon-iron electrical steels tend to stain, and the use of water in the final preparation steps and after etching is best avoided. Alcohol, typically...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003800
EISBN: 978-1-62708-177-1
... the com- trons or other charged particles in electron- producing a pattern of diffracted energy, such ponents of a eutectic appear to be entirely optical instrumentation. as accurately ruled lines on a plane surface. separate. electromechanical polishing. An attack-polish- diffraction pattern (x-rays...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.9781627081771
EISBN: 978-1-62708-177-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003558
EISBN: 978-1-62708-180-1
... electromechanical devices. As a consequence of these differences, there is no universal wear condition that can be used to define failure. The specific nature of the failure condition generally is an important factor in resolving or avoiding wear failures. It can affect not only the solutions to a wear problem...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006055
EISBN: 978-1-62708-175-7
... while allowing new features to be added ( Fig. 2 ). Controlled-expansion alloys (e.g., Invar, F-15) for hermetic packages and soft magnetic alloys for use in electromechanical applications are readily processed by MIM. Fig. 2 Metal injection molding 17-4 PH stainless steel optical transceiver...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.9781627081993
EISBN: 978-1-62708-199-3
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003314
EISBN: 978-1-62708-176-4
...—samples of an alloy that are intended to be representative of the metallurgical and physical condition of the alloy. Generally, samples are smooth and have uniformly polished surfaces within the test section. Some may have intentionally machined notches of well-controlled geometry, but the surface...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006658
EISBN: 978-1-62708-213-6
... for an application is appropriate. The minimum size of features that can be examined is set by the Z noise floor in the vertical axis; in the horizontal axis, the minimum size is set by the electromechanical noise of the piezo scanners and by the geometry of the probe. Typically, the z -axis noise is >50...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003157
EISBN: 978-1-62708-199-3
... in.). These thicknesses cannot be obtained by electroplating. These applications include electromechanical devices operating in current ranges where arcing and subsequent erosion are likely to occur. In these devices, sufficient precious metal must be available to survive the erosion that will occur over the required...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... of lifetime prediction with the—even modified—damage-accumulation theories, the behavior of structures under variable-amplitude loading should be evaluated and verified experimentally. Tests under variable-amplitude loading should be conducted with servohydraulic or electromechanical testing equipment...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001303
EISBN: 978-1-62708-170-2
... component. A part designed for a gentle grinding operation could be salvaged by shot peening after a severe grinding operation. Source: Ref 6 When fatigue problems occur, one of the solutions is to eliminate stress risers in the part by polishing or other surface refining process. Though the stress...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003062
EISBN: 978-1-62708-200-6
... strongly piezoelectric, and rapid strides have been made in their development and use as actuator motors, as ultrasonic transducers, and for electromechanical sensing. Piezoelectrics (PLZT) also elicit wide interest as electrooptic materials for such applications as high-speed shutters, switches, and light...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001444
EISBN: 978-1-62708-173-3
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... 28 ) plays an important role, and the design must ensure that adequate lubrication can be effectively delivered to the components in relative motion and prevent direct metal-to-metal contact. On the other hand, the surface finish of contact surfaces is very important, because highly polished ( R...