Laser interferometric surface free energy measurement of thin foils

G. A. Jablonski, A. Sacco, R. A. Gately

Research output: Contribution to journalConference article

Abstract

The surface free energy of thin foils can be determined near the Tammann temperature of the metal by the zero creep/laser interferometer. The use of the laser interferometer allows smaller sample strains to be measured with a higher level of confidence. The surface free energy of Al under a vacuum was determined to be 1057 dynes/cm at 743 K and 968 dynes/cm at 813 K. The surface free energy of Sn was determined to be 452 dynes/cm at 478 K in air. The extension of this technique to the evaluation of pure transition metal foils of Fe, Ni, and Co is also discussed.

Original languageEnglish
Pages (from-to)522-528
Number of pages7
JournalAmerican Chemical Society, Division of Petroleum Chemistry, Preprints
Volume34
Issue number3
StatePublished - Aug 1989
EventPreprints of the Division of Petroleum Chemistry, Inc., American Chemical Society: General Papers (Poster Session) - Miami, FL, USA
Duration: Sep 10 1989Sep 15 1989

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