2020
DOI: 10.17073/1997-308x-2020-55-64
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Phase-structure formation and features of the behavior of iron–high-carbon ferrochrome–nickel boride powder materials under abrasive wear conditions

Abstract: Исследовано влияние добавок борида никеля (Ni 3 B) на фазо-структурообразование, физико-механические свойства и устойчивость к абразивному изнашиванию порошкового материала на основе системы «железо-высокоуглеродистый феррохром (35 мас.%)». Обнаружено, что добавки Ni 3 B обеспечивают формирование многофазной микрогетерогенной структуры материала матрично-наполненного типа, состоящей из хромистой стали и твердых включений сложных карбидов хрома и железа (таких, как Ме 3 С, Me 7 C 3 , Me 23 C 6 ) и боридов (FeB,… Show more

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“…Processing was carried out in the scanning mode according to the following parameters: electron beam energy -1.4 MeV; maximum power -100 kW; scan rate -5 Hz; speed of sample movement relative to the beam -10 mm/s; beam current -23 mA [14][15][16]. Amorphous boron (40 wt.%), Fe, Ni, Cr (10 wt.%), MgF2 (wt.50%) were used as a deposited powder mixture [17][18][19]. The tests to determine the corrosion resistance of materials were carried out by anodic etching in inhibited sulfuric acid and in an oxidizing environment with weight loss control [20][21][22].…”
Section: Methodsmentioning
confidence: 99%
“…Processing was carried out in the scanning mode according to the following parameters: electron beam energy -1.4 MeV; maximum power -100 kW; scan rate -5 Hz; speed of sample movement relative to the beam -10 mm/s; beam current -23 mA [14][15][16]. Amorphous boron (40 wt.%), Fe, Ni, Cr (10 wt.%), MgF2 (wt.50%) were used as a deposited powder mixture [17][18][19]. The tests to determine the corrosion resistance of materials were carried out by anodic etching in inhibited sulfuric acid and in an oxidizing environment with weight loss control [20][21][22].…”
Section: Methodsmentioning
confidence: 99%