Impact of rapid thermal annealing on data retention time for 256 Mb and 1 Gb DRAM technology

Kim, D.-C.; Park, S.K.; Hong, Hye Jin; Kim, I.G.; Kim, Y.T.; Kim, Y.B.; Kim, H.S.; Park, H.S.; Nam, Mi Hyun; Suh, Min-Suk; Nam, K.B.; Lee, J.S.; Kim, N.S.; Lee, T.K.; Kim, J.Y.; Lee, S.H.; Lee, B.C.; Kwon, Hoyup; Choi, Jae Hoon; Om, Jaechul; Wi, Bo Ryeong; Hong, Sung-Joo; Kim, H.R.; Oh, Changhoon

doi:10.1109/iedm.2001.979521

Cited by 7 publications

(1 citation statement)

References 3 publications

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“…During friction stir processing, in addition to severe plastic deformation, the material also undergoes dynamic recrystallization, which results in a large fraction of high angle grain boundaries [3]. AA 2024 [30] AA 7075 [29] AA 6061 [24] E u E u Al [23] Al3Mg [23] A8011 ARB [26] A3004 [22] A6061 [22] A1100 [22] Total Elongation (%)…”

Section: Effect Of Grain Boundary Character On Ductilitymentioning

confidence: 99%

An Analysis of Strength and Ductility of Ultrafine Grained Al Alloys

Kapoor

Mishra

2009

MSF

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This paper brings together and compares data of various ultrafine grained (UFG) Al alloys processed through different routes. In general, the trend of decreasing ductility with increasing strength was observed for the UFG alloys. As compared to the coarse grained (CG) alloys, the UFG alloys show a lower ductility, a lower extent of work-hardening and a lower uniform elongation. Unlike the CG alloys, which show a large fraction of uniform to total elongation, in UFG alloys this fraction varies with processing technique. It is shown here that aging of some UFG Al alloys improves ductility. Further, it is shown that increasing the equivalent strain of pre-deformation increases ductility. From this it was inferred that high angle grain boundaries have an important influence on ductility. The variation of ductility with strain rate sensitivity has been found to match both the analytical prediction as well as data of various materials.

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