상세 보기
- Ahn, Soung Yeoul;
- Haftlang, Farahnaz;
- Kim, Eun Seong;
- Lee, Ji Sun;
- Jeong, Sang Guk;
- 외 3명
WEB OF SCIENCE
11SCOPUS
12초록
This study explores cellular structures in TiC/B4C[sbnd]CoCrFeMnNi high-entropy composites (HECs) fabricated by direct energy deposition (DED) additive manufacturing process, investigating the role of TiC and B4C nano-paticles in enhancing mechanical properties. Despite larger dislocation cell structures and thinner boundaries in TiC/B4C[sbnd]CoCrFeMnNi HECs compared to CoCrFeMnNi high-entropy alloy (HEA), they exhibit significantly higher hardness and strength, challenging traditional strength-size relationships. Additionally, we examine the behavior of ceramic nano-particles (TiC and B4C) with high melting points relative to matrix CoCrFeMnNi HEA. Rapid scanning prevents full nano-particle melting, leading to distinct element distribution of cell structure. These findings provide insights for selecting suitable nanoceramic particles in HEC development via metal additive manufacturing. © 2023 The Author(s)
키워드
- 제목
- Cellular structure engineering of additive manufactured CoCrFeMnNi high-entropy composite: The role of hard ceramic reinforcements in elemental segregation of constitutive elements
- 저자
- Ahn, Soung Yeoul; Haftlang, Farahnaz; Kim, Eun Seong; Lee, Ji Sun; Jeong, Sang Guk; Seol, Jae Bok; Choi, Hyunjoo; Kim, Hyoung Seop
- 발행일
- 2023-12
- 유형
- Article
- 저널명
- Additive Manufacturing Letters
- 권
- 7