Heung Nam Han

Prof. Heung Nam Han

Department of Materials Science and Engineering, College of Engineering, Seoul National University, Seoul 08826, Korea
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Research Focus & Metrics

Academic Career Length

34Years (1993-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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24 November 2014 in Proceedings of the National Academy of Sciences
Verified
Journal Article
Closed access
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YCYigil Cho
Yigil Cho
JSJoong-Ho Shin
Joong-Ho Shin
ACAvelino Costa
Avelino Costa
TKTae Ann Kim
Tae Ann Kim
VKValentin Kunin
Valentin Kunin
David SrolovitzDavid Srolovitz
David Srolovitz
Significance: Most materials can be stretched to a small degree, depending on their elastic limits and failure properties. For most materials the maximum elastic dilatation is very small, implying that the macroscopic shapes to which an elastic body can be deformed is severely limited. The present work addresses the simple modification of any material via hierarchical cut patterns to allow for extremely large strains and shape changes and a large range of macroscopic shapes. This is an important step in the development of shape-programmable materials. We provide the mathematical foundation, simulation results, and experimental demonstrations of the concept of fractal cut. This approach effectively broadens the design space for engineered materials for applications ranging from flexible/stretchable devices and photonic materials to bioscaffolds.

1 March 2014 in Scripta Materialia
Verified
Journal Article
Closed access
MKMoon-Jo Kim
Moon-Jo Kim
KLKeunho Lee
Keunho Lee
KOKyu Hwan Oh
Kyu Hwan Oh
ICIn-Suk Choi
In-Suk Choi
HYHyeong-Ho Yu
Hyeong-Ho Yu
HHHeung Nam Han
Heung Nam Han

1 July 2014 in International Journal of Plasticity
Verified
Journal Article
Closed access
JRJae-Hun Roh
Jae-Hun Roh
JSJeong-Jin Seo
Jeong-Jin Seo
SHSung-Tae Hong
Sung-Tae Hong
MKMoon-Jo Kim
Moon-Jo Kim
HHHeung Nam Han
Heung Nam Han
JRJohn T. Roth
John T. Roth

1 October 2004 in Acta Materialia
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Journal Article
Closed access
HHHeung Nam Han
Heung Nam Han
CLChang Gil Lee
Chang Gil Lee
COChang-Seok Oh
Chang-Seok Oh
TLTae-Ho Lee
Tae-Ho Lee
SKSung-Joon Kim
Sung-Joon Kim

1 February 2019 in Nano Energy
Verified
Journal Article
Closed access
DKDong-Su Ko
Dong-Su Ko
JPJun-Ho Park
Jun-Ho Park
SPSungjun Park
Sungjun Park
YHYong Nam Ham
Yong Nam Ham
SASung Jin Ahn
Sung Jin Ahn
CJChanghoon Jung
Changhoon Jung

1 July 2017 in International Journal of Plasticity
Verified
Journal Article
Closed access
MKMoon-Jo Kim
Moon-Jo Kim
Myoung-Gyu LeeMyoung-Gyu Lee
Myoung-Gyu Lee
KHKrishnaswamy Hariharan
Krishnaswamy Hariharan
SHSung-Tae Hong
Sung-Tae Hong
ICIn-Suk Choi
In-Suk Choi
HHHeung Nam Han
Heung Nam Han