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sample clamping

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Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003018
EISBN: 978-1-62708-200-6
... Abstract Thermoforming is a manufacturing process in which thermoplastic sheets are heated, softened, clamped onto a mold, and made to conform to the shape of the mold or forming tool. It is ideally suited to large-volume runs of small items. This article focuses on major phases of...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003043
EISBN: 978-1-62708-200-6
..., including corrosion compatibility, fastener materials and strength, head configurations, importance of clamp-up, interference fit fasteners, lightning strike protection, blind fastening, and sensitivity to hole quality. Types of fusion bonding are presented, namely, thermal welding, friction welding...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006662
EISBN: 978-1-62708-213-6
... film spread between two infrared-transmitting windows. A drop or two of sample is placed on the face of one of the clean, polished windows, and the second window placed on top. All the air bubbles must be squeezed out, and the sample must cover the entire window area. The windows are clamped using a...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005940
EISBN: 978-1-62708-166-5
... for the investigation of larger numbers of parameters by a limited number of samples, and can be structured into system analysis, test strategy, test procedure, and test evaluation. Level 2 focuses on understanding the distortion mechanisms by using the concept of distortion potential and its carriers...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006667
EISBN: 978-1-62708-213-6
... neutron diffraction, powder diffraction, and pair distribution function analysis. The relationship between detector space and reciprocal space are presented. Various factors involved in sample preparation, calibration, and techniques used for analyzing diffraction data are described. The article also...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... processes involved in the selection of metallurgical samples, the preparation and examination of metallographic specimens in failure analysis, and the analysis and interpretation of microstructures. Examination and evaluation of polymers and ceramic materials in failure analysis are also briefly discussed...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006676
EISBN: 978-1-62708-213-6
... as a guide for the force from the motor to the sample, and sample clamps in order to hold the sample being tested. Fig. 1 Generic setup of a dynamic mechanical analyzer The sample is subjected to a periodic (sinusoidal) mechanical stress, which causes it to undergo deformation with the...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003014
EISBN: 978-1-62708-200-6
... desirable extension of injection molding, based on the concept that large parts could be produced on molding equipment having a relatively low clamping force if pressure on the mold surfaces could be kept low. The mold cavity pressure developed during the structural-foam process is indeed low...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... that are used in a hard temper condition or that have residual stresses from final finishing, such as rolled threads. Stainless steel clamps used in residential cross-linked polyethylene (PEX) plumbing systems exhibit SCC when moisture (for example, from a water leak) collects on the clamp surface...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006639
EISBN: 978-1-62708-213-6
... that adsorbed superficial gases and contaminations on a sample can be introduced into the analytical chamber. This necessitates that the surface be cleaned and the underlying material, the material of interest, be exposed to a clean environment so that it can be analyzed. The cleaning is accomplished...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003025
EISBN: 978-1-62708-200-6
... stress-strain curves in tension ( Ref 19 ). This is usually done by continuously measuring the force that develops as the sample is elongated at a constant rate of extension. Preferably, the sample is made by compression molding and cut into the standard shape to reduce internal stress. In practice...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005355
EISBN: 978-1-62708-187-0
... machine can establish a working plane. The coordinate-measuring machine can perform in a few minutes the tedious checks that take 2 to 4 h to be done manually. For small castings produced in reasonable volume, a destructive metallographic inspection on randomly selected samples is practical and...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005947
EISBN: 978-1-62708-166-5
... spectrum of its roundness plot. The distribution of residual stresses measured by x-ray after machining shows a triangularity similar to the roundness plot after heat treatment. It results from the interaction of clamping and turning during the machining process. During heating, these stresses are reduced...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006671
EISBN: 978-1-62708-213-6
... loading of bar samples. The typical “dog bone” tensile sample commonly used for metals and plastics is expensive to machine in the case of ceramics, because diamond grinding is required to produce a fine surface finish. Special precautions and fixtures are required to prevent failure in clamping grips...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003029
EISBN: 978-1-62708-200-6
... flame produced by a laboratory burner applied to the base of a sample held in a vertical position. The performance of the material is reported as an index of the time for which the material does not ignite. This method can be used in conjunction with ASTM D 3801, which is described below. Flame spread...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005195
EISBN: 978-1-62708-187-0
... 176 254 × 1520 10 × 60 3,100–6,300 125 275 305 × 1520 12 × 60 4,500–7,900 178 392 356 × 1520 14 × 60 5,400–10,000 240 528 356 × 1830 14 × 72 5,400–10,000 293 647 The electrodes are supported on three separate arms and held to the electrode arm by a spring-clamped...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005680
EISBN: 978-1-62708-198-6
... clamped by two electrodes, establishing an electrical connection, followed by the application of current (welding) and the subsequent release of the workpiece. Fig. 2 shows a schematic of the welding process for a crosswire configuration. Similar to its large-scale counterpart, it involves the...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006444
EISBN: 978-1-62708-190-0
... laser vibrometer. Validating the vibrational characteristics of the inspection procedure is crucial to ensure the vibrothermography test covers the entire area of interest on the sample, that is, that a crack would be found regardless of its location. Resonant modes have nodal regions where...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005275
EISBN: 978-1-62708-187-0
... accumulating the charge for the next shot as the die clamp is being opened and the molded part is being removed. Production cycle times depend on the size of shot injected. Cycles range from 10 s for 100 ton machines to 20 s for 280 ton machines to 30 s for 650 ton machines and up to 60 s for 1000 ton machines...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001300
EISBN: 978-1-62708-170-2
... are commonly used to determine coating thickness and uniformity. Samples are generally cut from a coated component using a low-deformation saw and are mounted in a resin medium prior to polishing. Components should be rigidly clamped and sectioned so that the abrasive wheel enters from the coating...