Dynamic Mechanical Analysis part 9 doc
Dynamic Mechanical Analysis part 9 doc
... © 199 9 CRC Press LLC FIGURE 7 .9 Frequency scans on common materials show that the modulus changes as a function ... decay, and (c) complex waveforms. All can be used to generate the same types of plots. © 199 9 CRC Press LLC dynamic scan. This is not always true, as shown in Figure 7.2 for polyurethane. However, ... data obtained from a DMA run. © 199 9 CRC Press LLC where...
Ngày tải lên: 05/08/2014, 09:19
Dynamic Mechanical Analysis part 1 doc
... references. ISBN 0-8 493 -8688-8 (alk. paper) 1. Polymers Mechanical properties. 2. Polymers—Thermal properties. I. Title. TA455.P58M45 199 9 620.1 ¢ 92 92—dc21 98 -53025 CIP © 199 9 CRC Press LLC ... Times 3 .9 Structure–Property Relationships in Creep–Recovery Tests 3.10 Thermomechanical Analysis Notes Chapter 4 Dynamic Testing 4.1 Applying a Dynamic Stress to a Sample...
Ngày tải lên: 05/08/2014, 09:19
Dynamic Mechanical Analysis part 5 docx
... dimensions are the same as © 199 9 CRC Press LLC FIGURE 4.15 Results from dynamic stress–strain curves showing (a) the relationship between dynamic stress and strain and (b) tan d vs. dynamic strain for ... (d) is used to check the melting point of Indium. © 199 9 CRC Press LLC 4.4.1.4 Bulk If we run a sample in a dilatometer-like fixture (Figure 4.9d) where it is restrained on all sides...
Ngày tải lên: 05/08/2014, 09:19
Dynamic Mechanical Analysis part 7 docx
... Cambridge, 199 0. R. De le Garza, Measurement of Viscoelastic Properties by Dynamic Mechanical Analysis, Masters thesis, Univer- sity of Texas at Austin, 199 4. R. Hagan, Polymer Testing, 13, 113, 199 4. 3. ... process (b) Acrylate resin cure FIGURE 6.1 ( Continued ). © 199 9 CRC Press LLC FIGURE 5.18 (Condinued). © 199 9 CRC Press LLC FIGURE 5.14 Crystal–crystal slip. The...
Ngày tải lên: 05/08/2014, 09:19
Dynamic Mechanical Analysis part 10 docx
... w w 04 04 0014 10 EtJt d t() ( )-= Ú tt 0 1 © 199 9 CRC Press LLC a mixing rule. A mixing rule is a quantitative relationship that relates the observed mechanical properties of a polydisperse melt ... degree of understanding of the process so that you can copy the key step. © 199 9 CRC Press LLC for the material. Figure 7. 19 shows the interconversion of data. While this is beyond the scop...
Ngày tải lên: 05/08/2014, 09:19
Dynamic Mechanical Analysis part 2 ppt
... solutions. The major departures from Newto- nian behavior are shown in the figure. © 199 9 CRC Press LLC or weak or strong. These combinations are shown in Figure 2 .9. Interestingly, as the testing ... curve. Classically, this experiment was done by a strain-controlled instrument, where one s=FA/ g=DYY ˙ s © 199 9 CRC Press LLC quantifying the data can be used, as shown in Figure 1...
Ngày tải lên: 05/08/2014, 09:19
Dynamic Mechanical Analysis part 3 pptx
... m/s = 90 .6 kph 55 mph = 89. 1 kph 55 mph = 245 .9 m/s 90 kph = 55.6 mph Acceleration 1 ft/s 2 = 0.3 m/s 2 1 free fall (g) = 9. 806650 m/s 2 © 199 9 CRC Press LLC Viscosity (Dynamic) ... 0 .94 6 dm 3 1 qt(s) = 1.1 dm 3 1 ft 3 = 0.028 dm 3 1 yd 3 = 0.0765 dm 3 1 gal(l) = 3. 79 dm 3 Time 1 s = 9. 19E- 09 periods 55Cs133 Veloc...
Ngày tải lên: 05/08/2014, 09:19
Dynamic Mechanical Analysis part 4 pptx
... sin o tt=+ () ee w d wd() ( ) + ( ) o tt t= [] sin cos cos sin © 199 9 CRC Press LLC (c) FIGURE 3.7 (Continued). © 199 9 CRC Press LLC (a) (b) FIGURE 3.7 Examples of types of creep ... material FIGURE 3.10 Thermomechanical analysis test methods in common use. Dilatometry allows one to measure volumetric expansion: all other tests measure only unidirectional change. ©...
Ngày tải lên: 05/08/2014, 09:19
Dynamic Mechanical Analysis part 6 pdf
... 2(12), 406, 199 4. 5. U. Zolzer and H-F. Eicke, Rheologia Acta, 32, 104, 199 3. 6. N. McCrum et al., Anelastic and Dielectric Properties of Polymeric Solids, Dover, New York, 199 2, pp. 192 –200. 7. ... New York, 199 6. L. Nielsen et al., Mechanical Properties of Polymers and Composites, Marcel-Dekker, New York, 199 6. J. Ferry, Viscoelastic Properties of Polymers, Wiley, New York, 198 0. T...
Ngày tải lên: 05/08/2014, 09:19
Dynamic Mechanical Analysis part 8 potx
... © 199 9 CRC Press LLC (a) (b) FIGURE 6 .9 Photo-cure of a UV curing adhesive in the DMA. Note the similarity to the materials in Figure 6.1a and b. © 199 9 CRC Press LLC ... + •• Ú D D 0 © 199 9 CRC Press LLC FIGURE 6.17 Results and analysis of a “gel” time test from a DMA run. Note the “gel time” here is really the time to vitrification, not gelation. © 199 9 CRC Press ... J....
Ngày tải lên: 05/08/2014, 09:19