Composites Manufacturing - Materials, Product, and Process Engineering Part 12 doc
Composites Manufacturing - Materials, Product, and Process Engineering Part 1 pptx
... Metals
1. 1.2 Plastics
1. 1.3 Ceramics
1. 1.4 Composites
1. 2 What Are Composites?
1. 3 Functions of Fibers and Matrix
1. 4 Special Features of Composites
1. 5 Drawbacks of Composites
1. 6 Composites Processing
1. 7 ... Manufacturing Processes
11 .6 .1 Hand Lay-up Technique for Aerospace Parts
11 .6.2 Filament Winding for Consumer Goods
11 .6.3 Compression Molded SMC...
Composites Manufacturing - Materials, Product, and Process Engineering Part 2 pps
... dimen-
sional stability.
8. Net-shape or near-net-shape parts can be produced with composite
materials. This feature eliminates several machining operations
and thus reduces process cycle time and ... dimen-
sional stability.
8. Net-shape or near-net-shape parts can be produced with composite
materials. This feature eliminates several machining operations
and thus reduces process cy...
Composites Manufacturing - Materials, Product, and Process Engineering Part 3 pps
... application, design and manufacturing consider-
ations begin.
3. 2 The Need for Material Selection
With the technological advancements, new material systems and processes
are being developed and are growing ... thermoset composites is a complicated process,
requiring adhesives and careful surface preparation. Thermoplastic compos-
ites typically require higher forming temper...
Composites Manufacturing - Materials, Product, and Process Engineering Part 4 ppt
... choice. Similarly,
for a manufacturing process, one specific type of material system may be
more appropriate than the other. For a manufacturing process, if the engineer
selects a particular raw material, ... literature,
suppliers’ brochures, and handbooks. In the published literature, single-value
data is given on the property without any standard deviation. During the final
design pr...
Composites Manufacturing - Materials, Product, and Process Engineering Part 5 docx
... braiding would impart distinct stiffness,
damping, and mass characteristics due to different fiber and resin distribu-
tions and fiber volume fractions. Composites manufacturing processes create
distinct ... metals, standard sizes of blanks, rods, and sheets are machined and then
welded or fastened to obtain the final part. In composites, machining of
standard-sized sheets or bla...
Composites Manufacturing - Materials, Product, and Process Engineering Part 6 pot
...
â 2002 by CRC Press LLC
FIGURE 6. 6
Tooling for carbon fiber tennis racquet. (Courtesy of Radius Engineering, Inc.)
Composites Manufacturing - Materials, Product, and Process Engineering Part 7 potx
... Making of the Part
The processing steps used in the spray-up process are very similar to those
in the wet lay-up process. In this process, the release agent is first applied
to the mold and then ... in this process is identical to that used in the wet lay-up
process. Male and female molds are used, depending on the application.
Tubs and showers utilize male molds, whereas boat...
Composites Manufacturing - Materials, Product, and Process Engineering Part 8 doc
... and then forming it under heat and pressure. Once a shape is formed,
the preform maintains its shape. In conformal mats, fabrics or chopped
strand mats are placed on the outer layer and spun-bonded ... to
the desired size and formed under heat and pressure to the shape of the
mold. In this process, scraps are produced to get the final shape preform
because complicated three-dimensio...
Composites Manufacturing - Materials, Product, and Process Engineering Part 10 pps
... pre-cut,
pre-weighed pieces of sheet composite materials, called blanks, for processing.
TABLE 6.6
Part Cycle Time for Various Manufacturing Processes
Manufacturing Process
Part Cycle Time
(s)
Compression molding ... manufacturing processes.
7.2 The Importance of Models in Composites Manufacturing
A process model is very helpful in analyzing a manufacturing process,...
Composites Manufacturing - Materials, Product, and Process Engineering Part 11 pps
... the part. Similarly, for thermoplastic composites, uniform cool-
ing should take place to avoid residual stress build-up.
ã The nished part should have minimum residual stress to mini-
mize part ... debonding
6,7
ã Release of volatiles and void growth
8
7.4 Process Models for Selected Thermosets
and Thermoplastics Processing
For composites processing, various analytica...
Composites Manufacturing - Materials, Product, and Process Engineering Part 12 doc
... figures that the calculated and measured temperatures
FIGURE 7.25
Theoretical and experimental plots of temperature as a function of time at three positions inside
a 64-ply composite. The temperature ... cycle is shown in Figure 7.29. The cure and bleeder
pressures were constant at 586 kPa (85 psi) and 101 kPa (14.7 psi), respectively. (Reprinted from
Loos, A.C. and Springer, G.S., J...
Composites Manufacturing - Materials, Product, and Process Engineering Part 13 ppt
... McGraw-Hill, New York, 1974, 336–337.
26. Dara, P.H. and Loos, A.C., Thermoplastic Matrix Composite Processing Model,
Center for Composite Materials and Structures, Report CCMS-8 5-1 0, VPI-E-8 5-
21, ... labor-intensive process; a special proce-
dure is followed to make the joint.
3. Joints add manufacturing time and cost to the structure.
In an ideal product, there is only o...
Composites Manufacturing - Materials, Product, and Process Engineering Part 14 ppsx
...
2
are the stiffnesses
and thicknesses of the adherend materials 1 and 2, respectively).
Mazumdar and Mallick
1
conducted a series of tests on SMC-SMC and SRIM-
SRIM joints to determine ...
2
are the stiffnesses
and thicknesses of the adherend materials 1 and 2, respectively).
Mazumdar and Mallick
1
conducted a series of tests on SMC-SMC and SRIM-
SRIM joints...
Composites Manufacturing - Materials, Product, and Process Engineering Part 15 doc
... boron/epoxy, and hybrids of graphite/epoxy and
FIGURE 10.5
Schematic of waterjet cutting equipment. (Adapted from Hurlburt, G.H. and Cheung, J.B.,
Waterjet Cutting of Advanced Composite Materials, ... Advanced Composite Materials, SME Technical Paper No. MR7 7-2 25, So-
ciety of Manufacturing Engineers, 1997.)
Water inWater in
30 GPM pump
4-way valve
Large piston
Small piston...
Materials Selection and Design (2010) Part 12 doc
... affected where soil and bacterial corrosion might
apply (Ref 72).
Design and Materials Selection
Corrosion control measures are best initiated at the design stage (Fig. 27). Materials are usually ... International, 1973, p 2
Design for Corrosion Resistance
F. Peter Ford and Peter L. Andresen, General Electric Corporate Research and Development Center; Peter Elliott, Cor...
Từ khóa: