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2. Effect of Nb, Ta, and Ti microalloying on the secondary hardening of Mo-W tool steelJaka Burja, Aleš Nagode, Klemen Grabnar, Jože Medved, Tilen Balaško, 2024, izvirni znanstveni članek Ključne besede: hot work tool steel, microalloying, tempering, heat treatment, carbides
Objavljeno v DiRROS: 25.11.2024; Ogledov: 272; Prenosov: 792
 Celotno besedilo (5,89 MB)
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3. Effect of microalloying on tempering of Mo-W high thermal conductivity steelJaka Burja, Aleš Nagode, Jože Medved, Tilen Balaško, Klemen Grabnar, 2023, izvirni znanstveni članek Ključne besede: hot work tool steel, microalloying, močybdenum, tungsten, tempering, heat treatment
Objavljeno v DiRROS: 20.05.2024; Ogledov: 641; Prenosov: 272
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4. Effect of steel’s thermal condition on the transformation temperatures of two hot-work tool steels with increased thermal conductivity : Tilen Balaško, Jaka Burja, Jožef MedvedTilen Balaško, Jaka Burja, Jože Medved, 2023, izvirni znanstveni članek Ključne besede: thermal analysis, hot-work tool steels, differential scanning calorimetry, heat treatment
Objavljeno v DiRROS: 08.03.2024; Ogledov: 728; Prenosov: 357
Celotno besedilo (3,08 MB)
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6. Predicting the quality of grain refiners from electrical resistance measurements of aluminumMaja Vončina, Irena Paulin, Jože Medved, Mitja Petrič, 2023, izvirni znanstveni članek Ključne besede: Al-Ti-B grain-refiners, quality, TiB2 particles, Al3Ti particles, electrical resistance measurements
Objavljeno v DiRROS: 01.02.2024; Ogledov: 822; Prenosov: 365
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7. Comparison of cycling high temperature corrosion at 650°C in the presence of NaCl of various austenitic stainless steelsMirjam Bajt Leban, Maja Vončina, Tadeja Kosec, Robert Tisu, Matevž Barborič, Jože Medved, 2023, izvirni znanstveni članek Povzetek: The high temperature corrosion at 650°C in the presence of NaCl at atmospheric pressure of AISI 304L, AISI 309, AISI 310S, AISI 314 and AISI 321 austenitic stainless steel was studied. The specimens were cyclically heated in the furnace and immersed in a 3.5% aqueous NaCl solution after cooling for 15 min. After each cycle, the change in mass of the samples was measured. The corroded samples were analysed by SEM /EDX, and the corrosion products were analysed by XRD. The chloride ions react with the steel surface to form porous and poorly adherent oxides and metal chlorides. After the mass increase during the first exposure cycles, spalling of the oxides occurred. The high temperature austenitic stainless steels (AISI 309, AISI 310S, AISI 314) showed less mass loss than conventional austenitic steels (AISI 304L). Surprisingly, the stainless steel AISI 321 showed a similar low weight loss after the cyclic test as AISI 309, but a detailed analysis of the exposed surfaces after the test showed a similar corrosion attack as for AISI 304. After the cyclic test at high temperature in the presence of NaCl, a higher concentration of Cr and Ni definitely improves the corrosion resistance under the present conditions, but a certain addition of Si is even more obvious.
Ključne besede: austenitic stainless steel, high temperature corrosion, NaCl, exhaust systems, open access
Objavljeno v DiRROS: 31.05.2023; Ogledov: 895; Prenosov: 542
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