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

... 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

... 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

... 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

... 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

... © 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