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Mechanisms and Effect of Deep Cryogenic Treatment on Steel Properties

Author(s): Patricia Jovičević Klug (Author), Bojan Podgornik (Supervisor)

Year: 2022

Type: Doctoral dissertation

Deep cryogenic treatment (DCT) is a type of cryogenic treatment, during which a material is subjected to temperatures below −160 °C. When a metallic material is modified with DCT, changes occur down to the nanoscopic level. DCT induces microstructural changes such as grain size refinement, formation of new grains, movement …

Extension of the range of primary vacuum calibration methods with the use of nonevaporable getters

Author(s): Sefer Avdiaj (Author), Janez Šetina (Supervisor)

Year: 2012

Type: Doctoral dissertation

Measurement of ultrahigh vacuum (UHV) and extremely high vacuum (XHV) is important in many advanced research and technology fields such as: equipment for surface analysis, particle accelerators, simulation of interstellar space, processing of advanced semiconductors, electron tubes, FE displays, etc. For traceable calibrations of UHV and XHV gauges we need …