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sample clamping

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030023
EISBN: 978-1-62708-349-2
... discontinuous or continuous fibers. The sample preparation methods cover documentation and labeling of samples, sectioning the composite, clamp-mounting composite samples, mounting composite samples in casting resins, and the addition of contrast dyes to casting resins. Information on the molds used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060223
EISBN: 978-1-62708-343-0
... are significantly less dense and deform only elastically, fracturing with nil ductility. The fiber/matrix chemical bonding may be classed as S, W, or N (strong, weak, or no chemical bond). In the latter case, mechanical clamping forces substitute for bonding, and friction provides for interfacial shear strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400169
EISBN: 978-1-62708-258-7
... Solution Thermosetting resins Too large a section in the given mold area; sharp cornered specimens Increase mold size; reduce specimen size. Excessive shrinkage of plastic away from sample Decrease molding temperature; cool mold slightly prior to ejection. Absorbed moisture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850060
EISBN: 978-1-62708-260-0
.... The flow pattern should be checked periodically, since hoses can become clogged with cutting debris. Improper cutting technique can result in specimen damage and wheel breakage. Loose clamping of samples is a prime cause of wheel breakage. Excessive initial pressure, especially if the surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... from torque applied to a bolted assembly. Source: Ref 9 Fig. 8 Installation of fastener with breakaway nut to control clamp-up. Source: Ref 10 Fig. 1 Fatigue strength of carbon steel structural joints. Source: Ref 1 Fig. 2 Axial fatigue strength at 10 7 cycles...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780171
EISBN: 978-1-62708-268-6
... of several factors (and interactions between factors) simultaneously while minimizing the sample sizes and test runs. When the failure analysis team converges on several remaining suspected causes, it can design an experiment using Taguchi techniques to determine which of the causes is significant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400129
EISBN: 978-1-62708-316-4
... of press stiffness measuring the maximum deflection during upsetting, or real-time measurement of press deflection. In the former method, explained by Douglas and Altan ( Ref 9.17 ), electrolytic copper samples of the same height but different diameters are used. Since the diameter is changed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030067
EISBN: 978-1-62708-349-2
... and thin walls of the titanium honeycomb require a special mounting technique. This combination of materials cannot be prepared unmounted or by clamping alone. If this is attempted, the titanium foil will destroy the polishing cloth and cause significant damage to the sample. To make these types...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720161
EISBN: 978-1-62708-305-8
... for examination by light optical microscopy (LOM). It is assumed that the specimen or specimens being prepared are representative of the material to be examined. However, random sampling, as advocated by statisticians, can rarely be performed by metallographers. Instead, metallographers are usually restricted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310119
EISBN: 978-1-62708-346-1
... has been exerted. The force is generated by means of a weight having a mass of 1000 g (2.2 lb), which can be shifted vertically with the indenter. This procedure does not make use of a pressure foot: The sample, having flat and parallel measuring and bearing surfaces, is clamped between two plates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420239
EISBN: 978-1-62708-310-2
... faces of the couple components are ground and polished flat, clamped together, and annealed at the temperature of interest. Depending on the initial materials, various protective atmospheres can be used (e.g., vacuum and inert gas). After the heat treatment, quenching of the sample is desirable in order...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500179
EISBN: 978-1-62708-317-1
... stress acting on the tube ends. It should be noted that the clamping load, F c , is obtained by multiplying the maximum pressure with the projected area. This value determines the press capacity to be used. The previous discussion has shown the relationship between the variables in THF of a simple...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030115
EISBN: 978-1-62708-349-2
... the application process. Place the glass slide onto the polished first face/adhesive. Clamp the sample to the slide, and allow it to completely cure. The easiest way to apply pressure to the sample and glass slide is to place an approximately 1 kg (2 lb) weight on top of the sample. Do not apply heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500019
EISBN: 978-1-62708-317-1
... is usually defined as the forming of sheet or plate to produce angled parts or sheet profiles. Fig. 2.1 Sample part made by various sheet bending operations. Courtesy of Eaton Corp. After bending, elastic springback occurs and residual stresses may result. If the bend radius is too small...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110391
EISBN: 978-1-62708-247-1
...-chip samples as these can be damaged by the pressure of the clamp. See section below. Large flip-chip samples should be encapsulated if the analyst in interested in keeping all the layers intact and undamaged. Large flip-chips are engineered to be flat at solder reflow temperatures, consequently...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230441
EISBN: 978-1-62708-298-3
... squeeze-out during clamping and curing, spacing beads (0.05 to 0.15 mm, or 0.002 to 0.006 in. diameter), which are usually made out of ceramic, can be used to keep the mating parts from touching. The beads, which should amount to only approximately 0.5 wt% of the adhesive weight, do not affect the bond...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720085
EISBN: 978-1-62708-305-8
... than can the stationary types. The tester attaches to the workpiece as would a C-clamp with the anvil on one side of the workpiece and the indenter on the other. For very large parts, an encircling chain is used to hold the tester in place as pressure is applied. Fig. 4 Hydraulic, manually...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030043
EISBN: 978-1-62708-349-2
... to difficulties and complications in holding or clamping. This will be dictated by automated mount head openings and the clamping apparatus or by the ability to hold and control the sample by hand. Following the rough grinding step, the sample(s) should be ready for rough polishing. Rough polishing further...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500083
EISBN: 978-1-62708-317-1
... in the focus of researchers. In a bulge test, equi-biaxial state of stress is achieved. In this test, the sheet is clamped between the lower and upper dies ( Fig. 5.4 ). When the medium in the lower chamber is pressurized, the sheet is bulged into the cavity of the upper die. The clamping force between...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400033
EISBN: 978-1-62708-316-4
...Abstract Abstract This chapter discusses the factors that influence the load-deformation relationship at the heart of most metal forming operations. It describes the changes that occur in tensile test samples and the various ways test data can be plotted and analyzed, particularly for design...