ISSN:
1573-885X
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Abstract We investigate the effect of pulse flows of hydrogen, helium, and hydrogen–helium plasma of a specific power of 20–30 GW/m2 on the surface structure and mechanical properties of vanadium, niobium, and Kh16N15M3B and Kh18N10T austenitic stainless steels. Plasma bunches acted for 2 μsec with an average energy of particles of ≈ 2 keV. Tests of samples made of austenitic steels for tension showed that irradiation up to doses of ≈ 1018 cm−2 strengthens them by a factor of 1.8 and decreases the relative elongation by a factor of 2.3–2.7. A layer-by-layer electron-microscopic analysis revealed that a cellular structure is formed in the surface layer ≈ 25 μm in thickness as a result of irradiation, which explains the change in mechanical characteristics of the steels.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1011316109709
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