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| 035 | ⊔ | ⊔ | ‡a(MiU)99187539644206381 |
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| 040 | ⊔ | ⊔ | ‡aTRAAL ‡beng ‡cTRAAL |
| 049 | ⊔ | ⊔ | ‡aMAIN |
| 086 | 0 | ⊔ | ‡aD 301.45/26-3:62-829 |
| 100 | 1 | ⊔ | ‡aKing, G. W., ‡eauthor. |
| 245 | 1 | 0 | ‡aAging study of 2024 aluminum by dynamic modulus techniques / ‡cG.W. King. |
| 264 | ⊔ | 1 | ‡aWright-Patterson Air Force Base, Ohio : ‡bDirectorate of Materials and Processes, Aeronautical Systems Division, Air Force Systems Command, United States Air Force, ‡c1962. |
| 300 | ⊔ | ⊔ | ‡a16 pages : ‡billustrations, tables ; ‡c28 cm. |
| 336 | ⊔ | ⊔ | ‡atext ‡btxt ‡2rdacontent |
| 337 | ⊔ | ⊔ | ‡aunmediated ‡bn ‡2rdamedia |
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| 490 | 0 | ⊔ | ‡aASD-TDR ; ‡v62-829 |
| 500 | ⊔ | ⊔ | ‡a"November 1962." |
| 504 | ⊔ | ⊔ | ‡aIncludes bibliographical references (page 9). |
| 520 | 8 | ⊔ | ‡aDynamic modulus measurements are used to study precipitation rates in 2024 Al alloy. The results are discussed in terms of the effect of structural changes on the elastic modulus as well as the kinetics of precipitation at various stages of the age-hardening process. Activation energies were determined for aging in the temperature ranges from room (77 F) to 130 F, and 375 F to 425 F. A value of 20.7 kcal/gm mole was obtained for the lower temperature range, and 23 kcal/gm mole for the higher temperatures. The data indicate that modulus changes are primarily influenced by the structure of the second phase, however, some evidence of strain energy effects are indicated. (Author) |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 650 | ⊔ | 0 | ‡aAluminum alloys ‡xElastic properties. |
| 650 | ⊔ | 0 | ‡aAluminum alloys ‡xVibration. |
| 650 | ⊔ | 0 | ‡aAluminum-copper alloys. |
| 710 | 1 | ⊔ | ‡aUnited States. ‡bAir Force. ‡bSystems Command. ‡bAeronautical Systems Division. ‡bDirectorate of Materials and Processes, ‡esponsor. |
| 730 | 0 | ⊔ | ‡aTechnical Report Archive & Image Library (TRAIL) |
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