정우상 홍경태 온주상 2024-01-21T05:04:52Z 2024-01-21T05:04:52Z 2022-01-10 2005-05 1738-8228 https://pubs.kist.re.kr/handle/201004/136485 In this investigation, effects of nitrogen on the precipitation behavior of Fe -Cr-Mo ferritic steels werestudied. Three alloys having diferent nitrogen content were manufactured by vacuum induction melting in N 2 gasatmosphere. Major precipitates in these steels containing 88 ppm.~682 ppm. nitrogen were M 23C6 and fine MX. Also,FeW2B2 and Cr 2C phases were precipitated in as-tempered condition. The precipitation rate of M 23C6 and MX wereaccelerated by addition of nitrogen. However, formation of the FeW2B2 phase was suppressed with increase innitrogen contents. This is due to the increase of W solubility in the matrix by higher stabilization of austenite withincrease in nitrogen contents. Smal amounts of Laves and CrN phases were additionally precipitated in specimenstempered at 650oC for 3 hours and aged at 700oC for 1000 hours. 대한금속·재료학회 Fe-Cr-Mo 계 페라이트강의 석출특성에 미치는 질소의 영향 The Effect of Nitrogen on the Precipitation Characteristics of Fe-Cr-Mo Ferritic Steels Article 2 대한금속·재료학회지, v.43, no.5, pp.334 - 349 대한금속·재료학회지 43 5 334 349 kci ART001188560 Fe-Cr-Mo ferritic steels Precipitation behavior FeW2B2 phase Nitrogen effect