ABSTRACT

Table 62.1 gives the fatigue lives (rounded to the nearest thousand cycles) for 67 samples of Alloy T7987 in thousands of cycles. Five samples that survived at the termination of fatigue testing at 300 × 103 cycles are shown underlined [1]. Fatigue Lives [kc] for 72 Alloy T7987 Samples

94

117

136

149

168

180

203

269

96

118

139

152

169

180

205

271

99

121

139

153

170

184

211

274

99

121

140

159

170

187

213

291

104

123

141

159

171

188

224

300

108

129

141

159

172

189

226

300

112

131

143

159

173

190

227

300

114

133

144

162

176

196

256

300

117

135

149

168

177

197

257

300