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single-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
... Abstract This article describes the dispersed-phase toughening of thermoset matrices by the development of multiphase-structure thermosetting matrices using rubber and/or thermoplastic materials. It discusses two main methods for manufacturing prepregs, namely, single-pass impregnation...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002161
EISBN: 978-1-62708-188-7
.... The maximum depth of cut for a single ECG wheel pass is usually considered to be about 2.5 mm (0.100 in.). In surface grinding, the area of the electrode gap varies with wheel diameter and depth of cut ( Fig. 5 ). Therefore, maximum current and material removal is achieved at the maximum depth of cut. Typical...
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
... for prepreg and wet-rerolled rovings are similar. Each includes a winding comb (or series of rollers) that is designed to collimate the several strands of roving into a single band width for delivery to the mandrel. Wet winding differs primarily in that the dry fiber roving passes from a creel (or tensioner...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009085
EISBN: 978-1-62708-177-1
... to readily pass through to ground. The high electrical current of the lightning arc can cause remelting and rapid quenching of the metal alloy, resulting in changes in microstructure and properties. Composite conductivity, however, is not as homogeneous as in metals. In carbon-fiber-reinforced composites...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003421
EISBN: 978-1-62708-195-5
..., a carrier liquid (water or alcohol), and an organic binder. The organic binder is burned out prior to consolidation. Wetting agents may be added to ease the infiltration of the fiber tow or preform. The fiber tow or fiber preform is impregnated with the matrix slurry by passing it through a slurry tank...
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...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002141
EISBN: 978-1-62708-188-7
... and the accuracy required. In general, threads of 12 or 14 per 25 mm (1 in.) and finer can be ground in one pass of a single-edge wheel unless the unwrapped thread length is much greater than normal. The unwrapped length is approximately equal to the pitch circumference multiplied by the total number of thread...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001747
EISBN: 978-1-62708-178-8
... ) 2 section and the detection section. Inert gas fusion often involves use of gas chromatography in separation of gases. The molecular density of gases as they are transferred through a chromatographic column causes gases with lower density to pass more rapidly through the columns than the higher...
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.a0003464
EISBN: 978-1-62708-195-5
... illumination (dark field) is used to bring out subsurface features such as microcracks. With dark field, the light path is blocked from 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...
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: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006336
EISBN: 978-1-62708-179-5
... Automatic defect recognition is a technology where the combination of digital imaging and complex computer algorithms allows for the complete automation of pass/fail decisions to be made in a high-production environment with improved reproducibility and objectivity. Digital imaging also offers certain...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003039
EISBN: 978-1-62708-200-6
... are application-specific and, in most cases, have been circumvented by innovative design and tow placement machines. Fabricators of large rocket motors have been using water-soluble sand mandrels or plaster mandrels that can be stripped, reduced in size, and passed out through relatively small ports. Reverse...
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: 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...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003360
EISBN: 978-1-62708-195-5
... and then drying the fabric in a one-pass or multipass former coater. The two techniques generate different characteristics in the prepreg: Hot melt Hot melt Less drape and lower tack, due to higher resin viscosity, which in turn is due to lack of residual solvent in the prepreg Better hot/wet mechanical...
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
... products Coated/Impregnated Abrasives Coated abrasives are single or multiple layers of abrasive products that adhere to a flexible sheet or belt. In impregnated abrasives , sold under various trade names, the abrasive is impregnated into flexible or woven material. Sometimes a layer of highly...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003035
EISBN: 978-1-62708-200-6
... the chopper in Fig. 1 ), which meters a specified amount of resin filler paste onto a plastic carrier film. The paste consists of several ingredients, which can be changed to fit the particular needs of specific processing conditions and applications. The carrier film passes under a chopper, which cuts glass...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003038
EISBN: 978-1-62708-200-6
.... The material forming area usually comes after the reinforcements have been impregnated with resin. Reinforcements are precisely positioned using porcelain bushings, metal forms, or plastic guides that have been machined to allow axial and multidirectional reinforcements to pass from one to the next before...
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...