Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Dami Yim"'
Publikováno v:
Materials Research Letters, Vol 5, Iss 7, Pp 472-477 (2017)
In the present work, the deformation mechanisms of the CoCrFeMnNi high-entropy alloy at 77 K were investigated using thermal activation analyses. The strain rate jump test was performed to estimate strain rate sensitivity and the activation volume of
Externí odkaz:
https://doaj.org/article/232e292982a247eb9915007cf696f853
Publikováno v:
Data in Brief, Vol 20, Iss , Pp 1337-1339 (2018)
XRD raw data of the milled and heat-treated Co,Fe,Mn,Ni,Zn-containing high-entropy alloys (HEAs) is presented. Complete description of the quaternary, quinary and senary binary priority lists, including the names of the most relevant binary sets of e
Externí odkaz:
https://doaj.org/article/0d85ae91581145b6bbd6934ccaf4c4b9
Autor:
Min Ji Jang, Dong-Hyun Ahn, Jongun Moon, Jae Wung Bae, Dami Yim, Jien-Wei Yeh, Yuri Estrin, Hyoung Seop Kim
Publikováno v:
Materials Research Letters, Vol 5, Iss 5, Pp 350-356 (2017)
A constitutive model based on the dislocation glide and deformation twinning is adapted to face-centered cubic high-entropy alloys (HEAs) as exemplified by the CrMnFeCoNi system. In this model, the total dislocation density is considered as the only
Externí odkaz:
https://doaj.org/article/91bb27b5c07e42398f3e5d64982b0eec
Publikováno v:
Metals and Materials International. 26:221-229
A physics-based constitutive model of porous materials is proposed to enhance the accuracy of numerical analysis in die/isostatic compaction. The correlation between the yield function and equivalent work equation was derived, and the numerical integ
Publikováno v:
Intermetallics. 109:145-156
A newly developed high entropy alloy was thermomechanically processed to achieve diverse microstructures holding various initial grain size and substructure characteristics. The thermomechanical processing (TMP) cycles were applied through rolling th
Publikováno v:
Journal of Alloys and Compounds. 781:389-396
In this study, the TiC-reinforced CoCrFeMnNi high-entropy alloy (HEA) composite was fabricated using water atomization (WA), mechanical milling (MM), and spark plasma sintering (SPS). The microstructural evolution and mechanical properties of TiC-rei
Publikováno v:
Intermetallics. 101:56-63
A new screening methodology is proposed to aid in the development of high-entropy alloys (HEAs). This approach takes into account three commonly used criteria and methods to guide the design of HEAs: empirical parameters, binary phase diagram inspect
Autor:
Jongun Moon, Min Ji Jang, Je-Hyun Lee, Hyoung Seop Kim, Jeong Min Park, Jae Wung Bae, Dami Yim
Publikováno v:
Intermetallics. 98:89-94
In the present work, a solid solution strengthening effect in high-entropy alloys (HEAs) was studied by investigating mechanical characteristics of single crystalline CoCrFeMnNi HEA and a corresponding model was developed. (100) and (110) oriented si
Publikováno v:
Journal of Korean Powder Metallurgy Institute. 25:208-212
Autor:
Jae Wung Bae, Dami Yim, Min Ji Jang, Seung Mi Baek, Jongun Moon, Byeong-Joo Lee, Hyoung Seop Kim
Publikováno v:
Materials Chemistry and Physics. 210:187-191
In this work, the effects of homogenization annealing temperature of Al 0.5 CoCrFeMnNi HEA on cracking during cold-rolling were investigated. AlNi B2 phases were formed by low-temperature homogenization and affected the cracking phenomenon during col