ABSTRACT

Table 67.1 lists the failure times in hours for 100 Kevlar 49/epoxy strands statically loaded at 80% of the mean rupture strength [1]. The failures were used to illustrate the application of the one-parameter exponential model [1]. Failure Times (h) for 100 Kevlar Fibers

1.8

41.9

83.5

122.3

148.5

183.6

269.2

351.2

739.7

3.1

44.1

84.2

123.5

149.2

183.8

270.4

353.3

759.6

4.2

49.5

87.1

124.4

152.2

194.3

272.5

369.3

894.7

6.0

50.1

87.3

125.4

152.8

195.1

285.9

372.3

974.9

7.5

59.7

93.2

129.5

157.7

195.3

292.6

381.3

8.2

61.7

103.4

130.4

160.0

202.6

295.1

393.5

8.5

64.4

104.6

131.6

163.6

220.2

301.1

451.3

10.3

69.7

105.5

132.8

166.9

221.3

304.3

461.5

10.6

70.0

108.8

133.8

170.5

227.2

316.8

574.2

24.2

77.8

112.6

137.0

174.9

251.0

329.8

653.3

29.6

80.5

116.8

140.2

177.7

266.5

334.1

663.0

31.7

82.3

118.0

140.9

179.2

267.9

346.2

669.8