Plastics Engineering 3E Episode 7 pot

... = -2.09 x 10-~ 1.49 x 10-~ 2.01 10-~ 3 .77 x 10-4 5.34 x 10-5 -2.03 x 10-4 1 1.05 x lo3 235.2 -1 67. 1 239.2 -79 .2 -1 67. 1 -79 .2 233.0 [ D = [ 235.2 2.15 x 10-3 -1.60 ... 104 14. 37: io4 1.41 io4 A = 1.41 x lo4 1. 27 x 104 0 6.65 10-~ -5 .73 10-~ -6.81 -6.81 x -2.05 x 1.02 x 1 -1.46 x io3 604.5 -1. 67 x io3 -16 .7 x lo3...

Ngày tải lên: 13/08/2014, 09:20

... Mechanical Behaviour of Plastics 57 For some plastics, particularly nylon, the moisture content can have a signifi- cant effect on the creep behaviour. For such plastics, creep curves are ... enhancement factor, q, as 2 2 q=- { mh+- (7- 4> +ph+ (7- (nh+ :)) L 2nh 24n +- sin a + - h sin a (7- q)lJ (2.25) where 7 = distance to centre of area from...

Ngày tải lên: 13/08/2014, 09:20

... 25.4 74 4 .7 975 72 7.4 45 13 .7 9 × 5 × 10 22.9 × 12 .7 × 25.4 92 5.8 1210 902 .7 45 13 .7 10 × 6 × 12 25.4 × 15.2 × 30.5 141 8.9 1860 13 87. 6 48 14.6 12 × 7 × 12 30.5 × 17. 8 × 30.5 192 12.1 2530 18 87. 4 ... 4 1 / 2 × 10 19.1 × 11.4 × 25.4 124 7. 8 75 22.9 9 × 5 × 10 22.9 × 12 .7 × 25.4 153 9 .7 75 22.9 10 × 6 × 12 25.4 × 15.2 × 30.5 235 14.8 80 24.4 12 × 7 × 12 30.5 × 17....

Ngày tải lên: 12/08/2014, 07:22

... 6 .7 3.5 2.3 7. 9 70 2 07 Specific gravity 0.905 0 .72 1.24 1.00 1.12 0.90 0.650 0.641 2 .7 7.83 Relative thickness at equivalent rigidity 1 1.05 0.68 0.81 0.59 0 .74 0.85 0.56 0. 27 ... (SCORIM) vii 170 171 172 182 188 195 202 206 208 218 223 226 232 232 234 236 238 240 245 245 246 246 25 1 252 2 57 259 262 264 278 278 279 285 2...

Ngày tải lên: 13/08/2014, 09:20

... 20 YL 10 14 39 16 1 .7 0 .7 0 .72 1.09 1.04 27 - - + Ul 1 &33 1. 47 0.65 0-6 1. 17 1. 57 0 .7 0 .7 0.81 115 -85 -85 105 1c - - 4 56 I43 75 M Iy d - 260 149 ... 8.34 5.68 6 .73 10.1 3.12 1.53 3.0 I . 47 1 .73 0 .73 2.34 1. 07 6. 67 4.62 3.46 1.82 9.16 3.82 0 .77 0.81 1.05 1.02 1.23 1.09 2 .7 I .72 * 1500 h cre...

Ngày tải lên: 13/08/2014, 09:20

... to T2. 17. 4(60 + 10) 51.6 + (60 + 10) - - 17. 4(20 + 10) - 51.6 + (20 + 10) = -3.62 UT = 2.4 x 10-~ Mechanical Behaviour of Plastics 123 F ttt 1 -7 Fo7 Fig. 2.63 ... - '1 Mechanical Behaviour of Plastics 109 residual strain after the recovery period may be determined by superposition. Er(t) = 0 .79 2 - 0 .74 7 = 0.045% This is simp...

Ngày tải lên: 13/08/2014, 09:20

... Values S/D=4 S/D=6 S/D=8 1.183 1 .71 5 2.220 0 .78 1 1.112 1.423 0.468 0.63 1 0 .78 1 0.354 0.450 0.538 0.2 87 0.345 0.398 0.233 0.2 67 0.298 0.1 87 0.205 0.222 0 25 50 BD0 (x lo4 ... polyethylene - - 5 1 1 .75 Notch tip radius (mm) Fig. 2 .79 Variation of impact strength with notch radius for several thermoplastics Mechanical Behaviour of Plas...

Ngày tải lên: 13/08/2014, 09:20

... PmVm = 0.13(1800) + 0 .7( 1300) = 1450 kg/m3 = CfuVf + CmVm = 0.3(2.1) + 0 .7( 0.058) = 0. 67 GN/m2 E,L = EfVf + EmVm = 0.3(400) + 0 .7( 3.8) = 122 .7 GN/m2 Example 3.3 Calculate ... property 0 0.10 0.20 0.30 0.40 0.50 0.60 Density 1140 1210 1280 1 370 1460 1 570 170 0 Tensile strength (GN/m2) 0. 07 0.09 0.13 0.18 0.21 0.23 0.24 96 elong...

Ngày tải lên: 13/08/2014, 09:20

... angle of 17. 7" is frequently used because 238 Mechanical Behaviour of Composites Limit = 1800 I 0 244 I 01 0 0. 172 % I I 0 77 I 5 02 Limit = 0.09% 0 0. 07% ! €2 Limit ... C n K,(MN rn1I2) 3.3 x 10-18 12 .7 13.5 2 .7 10-14 6.4 26.5 Processing of Plastics 2 57 2.5E-005 2E-005 1 E405 0 0 10 20 30 40 50 60 70 80 90 Screw flight...

Ngày tải lên: 13/08/2014, 09:20

... very easy to 274 Processing of Plastics (driven) Coated fabric Fig. 4.26 Extrusion coating process be coated Fig. 4. 27 Wire Covering Die to an extruder (see Fig. 4. 27) . The drawing ... Inflation and parison ejection Fig. 4.24 Neck ring stretch blow moulding Processing of Plastics 277 of reactive bonding processes in which the co-extruded layers are che...

Ngày tải lên: 13/08/2014, 09:20