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double-pass impregnation

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Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009080
EISBN: 978-1-62708-177-1
... and double-pass impregnation. The article illustrates reflected-light optical microscopy techniques to evaluate the morphology of thermoplastic materials for determining the material quality and correlating key microstructural features with material performance. dispersed-phase toughening double-pass...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009075
EISBN: 978-1-62708-177-1
... the objective center and is directed to the specimen at an oblique angle. This eliminates the reflected image in favor of the image formed as light passes through the sample subsurface. Therefore, a dark background is shown for planar surfaces; voids, edges, microcracks, and indentations are shown brighter...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003416
EISBN: 978-1-62708-195-5
... mandrels that can be stripped, reduced in size, and passed out through relatively small ports. Even though reverse curvature generally cannot be wound, three options are available for circumventing this restriction. The first involves winding the part, bridging the concave area, and then installing...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006104
EISBN: 978-1-62708-175-7
... is presented. Influence of liquid coolant and oil impregnation on flank wear Table 1 Influence of liquid coolant and oil impregnation on flank wear Material Composition Flank wear, mm Oil impregnated Cutting fluid Dry 40 passes 90 passes 40 passes 90 passes 40 passes 90 passes...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003414
EISBN: 978-1-62708-195-5
... to spring up a bit during the injection (as the flow front passes and the local pressure increases) ( Ref 17 , 18 ). This results in a decrease in fiber volume fraction and, consequently, an increase in permeability. Hence, in vacuum infusion, permeability is not a constant! Fig. 9 Influence...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003415
EISBN: 978-1-62708-195-5
... often, a compression-molded part is part of a subassembly or multifunctional module. In such cases, the molder has additional manufacturing facilities on site to complete the operations. Alternatively the part is passed on to a tier 1 supplier who further integrates the part into a module assembly...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001439
EISBN: 978-1-62708-173-3
... 4.0 (h) 5 32 (h) (a) Suggested minimum and maximum thickness limits. (b) Using 300 A ac or DCEN, or 125 A DCEP. (c) Using 400 A DCEP. (d) Single-pass full-penetration weld. Suitable for thin material. (e) Full-penetration weld. Suitable for thick material...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
... in the reactor. The exhaust gases are passed around a condenser to recover the unused silanes; efficient reclamation is very important for a cost-effective process. Methyltrichlorosilane is an ideal raw material because it contains one silicon and one carbon atom (i.e., one would expect a stoichiometric SiC...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003417
EISBN: 978-1-62708-195-5
... into a “straight-through” resin bath. This design has entry-end and exit-end plates that have been machined for both passage and alignment of fibers as they pass through the resin. This alternative method provides the necessary impregnation without the need to move the reinforcements outside of their intended...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006301
EISBN: 978-1-62708-179-5
... and welding, followed by protected cooling, or by preheating, welding, and postheating, or (less commonly) by welding and postheating. The heat of welding alone in single-pass arc welding will not temper the martensite enough to provide reasonable machinability or to reduce the danger of postweld cracking...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001232
EISBN: 978-1-62708-170-2
... Conventional abrasives Superabrasives Powders slurries, and compounds Bonded Coated/ impregnated Plastics Low Low Low None Composites Low High High Low Metals High High High High Steel High High High High Glass Low High High High Carbides High Low High High...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003487
EISBN: 978-1-62708-195-5
... and a de- cell size. The diameter of an inscribed circle laments essentially perpendicular to the axis sired dimensional thickness for sheet material within a cell of honeycomb core. (90 or level winding). by passing it between sets of pressure rollers. cellular plastic. A plastic containing numerous...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003407
EISBN: 978-1-62708-195-5
..., but with a resin developed to have extended gelation time at room temperature. The reinforcements are passed through an on-site wet-out/impregnation machine, then taken directly from the machine and laid into the mold. This gives the builder the versatility of curing at low elevated temperatures (typically 50 °C...
Book

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.9781627081955
EISBN: 978-1-62708-195-5
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001228
EISBN: 978-1-62708-170-2
... with an airwash separator, as shown in Fig. 5 . Spent abrasive and contaminants are fed by a belt and bucket elevator to the helicoid conveyor. The abrasive is screened in the rotary screen, falls in a vertical curtain, and passes under a swinging baffle. The abrasive is then subjected to a controlled cross-flow...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
... construction, and a lack of understanding associated with a transition from ductile to brittle fracture behavior of structural steels with decreasing temperature. Fracture-initiation sites were identified, and crack-arrestor plates were added during redesign. No cracks were observed to pass the crack arrestors...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003455
EISBN: 978-1-62708-195-5
... can also be less expensive to build as well as easier to maintain than equivalent honeycomb designs. The same cannot be said for designs involving a combination of honeycomb sandwich cores, in which water collects, and ultrathin composite facesheets, through which it passes. The design of bonded...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006106
EISBN: 978-1-62708-175-7
... lubricants is normally accomplished in a double cone-type blender. To minimize the inclusion of large lubricant agglomerates and other undesirable particles, the material is passed through a 40-mesh sieve, or screening of the constituents is recommended prior to blending. Fig. 2 Effect of lubricant...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006517
EISBN: 978-1-62708-207-5
... to the linear holes per inch of a sieve that the particle would just pass through. For example, a 60-grit particle would pass through a 56-mesh screen, but would be stopped on a 64-mesh screen. Fig. 1 Abrasive grain sizes vs. application type. Source: Ref 4 Many different types of abrasives also...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003789
EISBN: 978-1-62708-177-1
... to pass smoothly over the subsequent polishing cloths and prevents the plowing aside of abrasives by a sharp edge. Failure to use a bevel slows polishing on long-nap cloths. Polishing Following grinding, the specimen is flat to the edges, and the pores are almost completely smeared ( Fig. 5...