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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
... materials. It discusses two main methods for manufacturing prepregs, namely, single-pass impregnation 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...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003422
EISBN: 978-1-62708-195-5
.... The article discusses matrix precursor impregnants, liquid impregnation, and chemical vapor infiltration (CVI) for densification of CCCs. It presents various coating approaches for protecting CCCs, including pack cementation, chemical vapor deposition, and slurry coating. Practical limitations of coatings...
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
...Abstract Abstract Filament winding is a process for fabricating a composite structure in which continuous reinforcements, either previously impregnated with a matrix material or impregnated during winding, is placed over a rotating form or mandrel in a prescribed way to meet certain stress...
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
...× Abstract Abstract This article provides information on the microstructure of powder metal alloys and the special handling requirements of porous materials. It covers selection, sectioning, mounting, grinding, and polishing, and describes procedures, such as washing, liquid removal, and impregnation...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006099
EISBN: 978-1-62708-175-7
... highlights various applications of contact infiltration in oil, gas, and blast-hole drilling such as fixed-cutter drill bits and diamond-impregnated coring bits. It also discusses the applications of infiltrated carbide material in erosion-resistant cladding. carbide structures contact filtration...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006119
EISBN: 978-1-62708-175-7
... 304LSC 0.8 2.0 620 1284 6 (a) Drilling speed used was 700 rpm, drilling depth was 12 mm (0.5 in.) feed rate was 0.06 mm/rotation. An uncoated, 3.5 mm diameter M2 high speed steel drill without coolant was used. Effect of resin impregnation and sintering parameters on machinability...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003368
EISBN: 978-1-62708-195-5
... that have been advanced to deal with impregnation difficulties are also discussed. References References 1. Williams J.G. , O'Brien T.K. , and Chapman A.J. III , Conference Publication 2321, National Aeronautics and Space Administration , 1984 2. Oken S...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003425
EISBN: 978-1-62708-195-5
... resistance, fracture toughness, and elevated temperature endurance properties due to their melt-fusible nature. This article presents the material options available for thermoplastic composites such as pseudothermoplastics, post-impregnated thermoplastics, and true thermoplastics. It describes the processing...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006048
EISBN: 978-1-62708-172-6
... was stored outside for 5 years before being put into use. Fig. 11 (a) After minimal surface preparation, the melted microcrystalline wax is flood coated over the pipe using an underragging device to ensure an even coating on the bottom. (b) A wax-impregnated outerwrap is spirally applied. (c...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001317
EISBN: 978-1-62708-170-2
..., PtRe, or PtSn on acidified Al 2 O 3 (pellet) (2)Isomerization (3)Aromization Methanol to gasoline process CH 3 OH → aromatics ZSM-5 zeolite (pellet) Paraffin isomerization Linear → branched hydrocarbons Pt/H mordenite in alumina matrix (pellet) Fig. 1 Impregnated catalyst...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003419
EISBN: 978-1-62708-195-5
... fraction Modulus Strength Failure strain, % GPa 10 6 psi MPa ksi Thermoplastic composites Mat (a) PP Melt-impregnated molding compound (GMT) 0.20 3.5 0.51 55 8.0 1.8 0.30 4.5 0.65 70 10 1.8 0.40 6.0 0.87 90 13 1.7 UD PP Melt-impregnated prepreg 0.35...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009074
EISBN: 978-1-62708-177-1
.... , and Green G.E. , Effect of Impregnation Conditions on Prepreg Properties and Honeycomb Core Crush , Polym. Compos. , Vol 18 ( No. 1 ), 1997 , p 90 – 99 10.1002/pc.10264 3. Hayes B.S. , Seferis J.C. , and Chen J.S. , Development and Hot-Melt Impregnation of a Model...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003413
EISBN: 978-1-62708-195-5
... to be used alongside existing prepreg processes. Resin-film infusion or vacuum-impregnation techniques will likely be used where prepreg is displaced for large structures and relatively simple shapes such as aerodynamic surfaces. One of the principal advantages of liquid molding is the absence...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003441
EISBN: 978-1-62708-195-5
... ) Resin toughness Residual compression strength after impact Uncured impregnated system Characterization HPLCInfrared spectroscopyDSC Processibility FlowGelRDS viscosityVolatilesMoistureTack/drapeResin contentFiber weight Cured impregnated system Completeness of cure DSC Glass transition...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002465
EISBN: 978-1-62708-194-8
..., prepreg tape Undirectional continuous fiber tape Yes Yes Yes Multidirectional parallel to mandrel Low Low Braiding Wet resin impregnation after winding Continuous fiber Yes Yes Yes Parallel to braid mold surface, multidirectional fibers Medium/high Medium Fabric tape wrapping Prepreg...
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
... Fig. 1 Photograph of a painted carbon-fiber-reinforced composite part surface after a zone 1A lab-induced lightning strike. Two cross ions were taken from this area after impregnation with a casting resin. The cross sections for microscopic analysis are labeled “A” and “B,” and the direction...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009072
EISBN: 978-1-62708-177-1
... that was subjected to a laboratory-induced lightning strike. The section shown is 1 mm (0.04 in.) away from the center of the strike. This sample was first impregnated with Rhodamine-B-dyed epoxy casting resin and then, after sectioning, mounted with Coumarin 35. Microcracks that were not impregnated...
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 schematic of a typical sol-gel process for processing CMCs is given in Fig. 10 . It is easy to see that many of the polymer handling and processing techniques can be used for sol- gel as well. Impregnation of fibrous preforms in vacuum and filament winding are two important techniques. In filament winding...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003432
EISBN: 978-1-62708-195-5
... of the final blend, the blend in its final composition, b-staged resin on impregnated fabric, and cured resin in a composite laminate. Polymers with chemically different functions are used to categorize resin families. Early industrial polymers were resole type phenolics and polyesters based on styrene...
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
... Fig. 11 Typical features of a compression mold (example shown is a mold design for forming a spare tire wheel well) Fig. 23 Schematic diagram of the SMC impregnating system Fig. 24 Schematic diagram of cutting with feed rollers. (a) Rubber roller. (b) Hub. (c) Feed roller. (d...