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Investigations on the cold-work peak of hydrogen in iron by means of the magnetic after-effect (1975)

Martinez, R. ; Walz, F. ; Kronmüller, H.

Springer

Applied physics 7 (1975), S. 107-112

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ISSN: 1432-0630

Keywords: Magnetic after-effect ; Interaction point defects ; Dislocations

Source: Springer Online Journal Archives 1860-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics

Notes: Abstract The magnetic after-effect of hydrogen-charged iron was investigated in the temperature range between 77 and 200 K. The hydrogen cold-work peak, known so far only from internal friction measurements, has been observed at about 130 K together with a less pronounced relaxation peak at 80 K. The activation energy of ∼0.29 eV, determined for the cold-work peak, is explained by a thermally activated motion of dislocations, the cores of which are closely decorated by a condensed atmosphere of hydrogen atoms.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00884219

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