F7: Coffin-Manson thermal fatigue

F7 — Coffin-Manson thermal fatigue. Halving the thermal excursion at least doubles cycles to failure for n >= 1.5. 100 of 100 verified.
IDClaimValueVerified
F7-001Coffin-Manson n=1.50: halving dT from 20 K multiplies life by 2.832.83holds
F7-002Coffin-Manson n=1.55: halving dT from 22 K multiplies life by 2.932.93holds
F7-003Coffin-Manson n=1.60: halving dT from 24 K multiplies life by 3.033.03holds
F7-004Coffin-Manson n=1.65: halving dT from 26 K multiplies life by 3.143.14holds
F7-005Coffin-Manson n=1.70: halving dT from 28 K multiplies life by 3.253.25holds
F7-006Coffin-Manson n=1.75: halving dT from 30 K multiplies life by 3.363.36holds
F7-007Coffin-Manson n=1.80: halving dT from 32 K multiplies life by 3.483.48holds
F7-008Coffin-Manson n=1.85: halving dT from 34 K multiplies life by 3.613.61holds
F7-009Coffin-Manson n=1.90: halving dT from 36 K multiplies life by 3.733.73holds
F7-010Coffin-Manson n=1.95: halving dT from 38 K multiplies life by 3.863.86holds
F7-011Coffin-Manson n=2.00: halving dT from 40 K multiplies life by 4.004.0holds
F7-012Coffin-Manson n=2.05: halving dT from 42 K multiplies life by 4.144.14holds
F7-013Coffin-Manson n=2.10: halving dT from 44 K multiplies life by 4.294.29holds
F7-014Coffin-Manson n=2.15: halving dT from 46 K multiplies life by 4.444.44holds
F7-015Coffin-Manson n=2.20: halving dT from 48 K multiplies life by 4.594.59holds
F7-016Coffin-Manson n=2.25: halving dT from 50 K multiplies life by 4.764.76holds
F7-017Coffin-Manson n=2.30: halving dT from 52 K multiplies life by 4.924.92holds
F7-018Coffin-Manson n=2.35: halving dT from 54 K multiplies life by 5.105.1holds
F7-019Coffin-Manson n=2.40: halving dT from 56 K multiplies life by 5.285.28holds
F7-020Coffin-Manson n=2.45: halving dT from 58 K multiplies life by 5.465.46holds
F7-021Coffin-Manson n=2.50: halving dT from 60 K multiplies life by 5.665.66holds
F7-022Coffin-Manson n=2.55: halving dT from 62 K multiplies life by 5.865.86holds
F7-023Coffin-Manson n=2.60: halving dT from 64 K multiplies life by 6.066.06holds
F7-024Coffin-Manson n=2.65: halving dT from 66 K multiplies life by 6.286.28holds
F7-025Coffin-Manson n=2.70: halving dT from 68 K multiplies life by 6.506.5holds
F7-026Coffin-Manson n=2.75: halving dT from 70 K multiplies life by 6.736.73holds
F7-027Coffin-Manson n=2.80: halving dT from 72 K multiplies life by 6.966.96holds
F7-028Coffin-Manson n=2.85: halving dT from 74 K multiplies life by 7.217.21holds
F7-029Coffin-Manson n=2.90: halving dT from 76 K multiplies life by 7.467.46holds
F7-030Coffin-Manson n=2.95: halving dT from 78 K multiplies life by 7.737.73holds
F7-031Coffin-Manson n=3.00: halving dT from 80 K multiplies life by 8.008.0holds
F7-032Coffin-Manson n=3.05: halving dT from 82 K multiplies life by 8.288.28holds
F7-033Coffin-Manson n=3.10: halving dT from 84 K multiplies life by 8.578.57holds
F7-034Coffin-Manson n=3.15: halving dT from 86 K multiplies life by 8.888.88holds
F7-035Coffin-Manson n=3.20: halving dT from 88 K multiplies life by 9.199.19holds
F7-036Coffin-Manson n=3.25: halving dT from 90 K multiplies life by 9.519.51holds
F7-037Coffin-Manson n=3.30: halving dT from 92 K multiplies life by 9.859.85holds
F7-038Coffin-Manson n=3.35: halving dT from 94 K multiplies life by 10.2010.2holds
F7-039Coffin-Manson n=3.40: halving dT from 96 K multiplies life by 10.5610.56holds
F7-040Coffin-Manson n=3.45: halving dT from 98 K multiplies life by 10.9310.93holds
F7-041Coffin-Manson n=3.50: halving dT from 100 K multiplies life by 11.3111.31holds
F7-042Coffin-Manson n=3.55: halving dT from 102 K multiplies life by 11.7111.71holds
F7-043Coffin-Manson n=3.60: halving dT from 104 K multiplies life by 12.1312.13holds
F7-044Coffin-Manson n=3.65: halving dT from 106 K multiplies life by 12.5512.55holds
F7-045Coffin-Manson n=3.70: halving dT from 108 K multiplies life by 13.0013.0holds
F7-046Coffin-Manson n=3.75: halving dT from 110 K multiplies life by 13.4513.45holds
F7-047Coffin-Manson n=3.80: halving dT from 112 K multiplies life by 13.9313.93holds
F7-048Coffin-Manson n=3.85: halving dT from 114 K multiplies life by 14.4214.42holds
F7-049Coffin-Manson n=3.90: halving dT from 116 K multiplies life by 14.9314.93holds
F7-050Coffin-Manson n=3.95: halving dT from 118 K multiplies life by 15.4515.45holds
F7-051Coffin-Manson n=4.00: halving dT from 120 K multiplies life by 16.0016.0holds
F7-052Coffin-Manson n=4.05: halving dT from 122 K multiplies life by 16.5616.56holds
F7-053Coffin-Manson n=4.10: halving dT from 124 K multiplies life by 17.1517.15holds
F7-054Coffin-Manson n=4.15: halving dT from 126 K multiplies life by 17.7517.75holds
F7-055Coffin-Manson n=4.20: halving dT from 128 K multiplies life by 18.3818.38holds
F7-056Coffin-Manson n=4.25: halving dT from 130 K multiplies life by 19.0319.03holds
F7-057Coffin-Manson n=4.30: halving dT from 132 K multiplies life by 19.7019.7holds
F7-058Coffin-Manson n=4.35: halving dT from 134 K multiplies life by 20.3920.39holds
F7-059Coffin-Manson n=4.40: halving dT from 136 K multiplies life by 21.1121.11holds
F7-060Coffin-Manson n=4.45: halving dT from 138 K multiplies life by 21.8621.86holds
F7-061Coffin-Manson n=4.50: halving dT from 140 K multiplies life by 22.6322.63holds
F7-062Coffin-Manson n=4.55: halving dT from 142 K multiplies life by 23.4323.43holds
F7-063Coffin-Manson n=4.60: halving dT from 144 K multiplies life by 24.2524.25holds
F7-064Coffin-Manson n=4.65: halving dT from 146 K multiplies life by 25.1125.11holds
F7-065Coffin-Manson n=4.70: halving dT from 148 K multiplies life by 25.9925.99holds
F7-066Coffin-Manson n=4.75: halving dT from 150 K multiplies life by 26.9126.91holds
F7-067Coffin-Manson n=4.80: halving dT from 152 K multiplies life by 27.8627.86holds
F7-068Coffin-Manson n=4.85: halving dT from 154 K multiplies life by 28.8428.84holds
F7-069Coffin-Manson n=4.90: halving dT from 156 K multiplies life by 29.8629.86holds
F7-070Coffin-Manson n=4.95: halving dT from 158 K multiplies life by 30.9130.91holds
F7-071Coffin-Manson n=5.00: halving dT from 160 K multiplies life by 32.0032.0holds
F7-072Coffin-Manson n=5.05: halving dT from 162 K multiplies life by 33.1333.13holds
F7-073Coffin-Manson n=5.10: halving dT from 164 K multiplies life by 34.3034.3holds
F7-074Coffin-Manson n=5.15: halving dT from 166 K multiplies life by 35.5135.51holds
F7-075Coffin-Manson n=5.20: halving dT from 168 K multiplies life by 36.7636.76holds
F7-076Coffin-Manson n=5.25: halving dT from 170 K multiplies life by 38.0538.05holds
F7-077Coffin-Manson n=5.30: halving dT from 172 K multiplies life by 39.4039.4holds
F7-078Coffin-Manson n=5.35: halving dT from 174 K multiplies life by 40.7940.79holds
F7-079Coffin-Manson n=5.40: halving dT from 176 K multiplies life by 42.2242.22holds
F7-080Coffin-Manson n=5.45: halving dT from 178 K multiplies life by 43.7143.71holds
F7-081Coffin-Manson n=5.50: halving dT from 180 K multiplies life by 45.2545.25holds
F7-082Coffin-Manson n=5.55: halving dT from 182 K multiplies life by 46.8546.85holds
F7-083Coffin-Manson n=5.60: halving dT from 184 K multiplies life by 48.5048.5holds
F7-084Coffin-Manson n=5.65: halving dT from 186 K multiplies life by 50.2150.21holds
F7-085Coffin-Manson n=5.70: halving dT from 188 K multiplies life by 51.9851.98holds
F7-086Coffin-Manson n=5.75: halving dT from 190 K multiplies life by 53.8253.82holds
F7-087Coffin-Manson n=5.80: halving dT from 192 K multiplies life by 55.7255.72holds
F7-088Coffin-Manson n=5.85: halving dT from 194 K multiplies life by 57.6857.68holds
F7-089Coffin-Manson n=5.90: halving dT from 196 K multiplies life by 59.7159.71holds
F7-090Coffin-Manson n=5.95: halving dT from 198 K multiplies life by 61.8261.82holds
F7-091Coffin-Manson n=6.00: halving dT from 200 K multiplies life by 64.0064.0holds
F7-092Coffin-Manson n=6.05: halving dT from 202 K multiplies life by 66.2666.26holds
F7-093Coffin-Manson n=6.10: halving dT from 204 K multiplies life by 68.5968.59holds
F7-094Coffin-Manson n=6.15: halving dT from 206 K multiplies life by 71.0171.01holds
F7-095Coffin-Manson n=6.20: halving dT from 208 K multiplies life by 73.5273.52holds
F7-096Coffin-Manson n=6.25: halving dT from 210 K multiplies life by 76.1176.11holds
F7-097Coffin-Manson n=6.30: halving dT from 212 K multiplies life by 78.7978.79holds
F7-098Coffin-Manson n=6.35: halving dT from 214 K multiplies life by 81.5781.57holds
F7-099Coffin-Manson n=6.40: halving dT from 216 K multiplies life by 84.4584.45holds
F7-100Coffin-Manson n=6.45: halving dT from 218 K multiplies life by 87.4387.43holds

What the failures mean

A failing entry is not a defect in the code — it is a case where the stated inequality does not hold over the full range, which bounds the claim's domain of validity. Those cases are kept.


Incoprea Research · study 10, 1,000 verified claims · 3 November 2026. Computation only.