Tzu-Hsuan Chang

Works (9)

Updated: July 24th, 2023 07:55

2020 article

In-situ TEM study of dislocation interaction with twin boundary and retraction in twinned metallic nanowires

Cheng, G., Yin, S., Li, C., Chang, T.-H., Richter, G., Gao, H., & Zhu, Y. (2020, June 30). Acta Materialia, Vol. 196, pp. 304–312.

By: G. Cheng n, S. Yin *, C. Li n, T. Chang n, G. Richter *, H. Gao *, Y. Zhu n 

author keywords: Dislocation slip; Twin boundary; Recoverable plasticity; MD simulations; In-situ TEM
topics (OpenAlex): Microstructure and mechanical properties; Surface and Thin Film Phenomena; Metal and Thin Film Mechanics
Sources: Web Of Science, NC State University Libraries
Added: August 31, 2020

2019 article

Hydrogen embrittlement in metallic nanowires

Yin, S., Cheng, G., Chang, T.-H., Richter, G., Zhu, Y., & Gao, H. (2019, May 1). Nature Communications, Vol. 10.

By: S. Yin *, G. Cheng n, T. Chang n, G. Richter *, Y. Zhu n  & H. Gao *

topics (OpenAlex): Hydrogen embrittlement and corrosion behaviors in metals; Corrosion Behavior and Inhibition; Metal and Thin Film Mechanics
TL;DR: The authors combine nanomechanical testing and molecular dynamics simulations to show that hydrogen can suppress surface dislocation nucleation in silver nanowires. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: May 20, 2019

2019 article

In Situ Nano-thermomechanical Experiment Reveals Brittle to Ductile Transition in Silicon Nanowires

Cheng, G., Zhang, Y., Chang, T.-H., Liu, Q., Chen, L., Lu, W. D., … Zhu, Y. (2019, July 17). Nano Letters, Vol. 19, pp. 5327–5334.

By: G. Cheng n, Y. Zhang *, T. Chang n, Q. Liu *, L. Chen *, W. Lu *, T. Zhu *, Y. Zhu n 

author keywords: Brittle to ductile transition; dislocation; plasticity; silicon nanowire; in situ TEM
topics (OpenAlex): Nanowire Synthesis and Applications; Microstructure and mechanical properties; Semiconductor materials and interfaces
TL;DR: In situ high resolution TEM imaging and atomistic reaction pathway modeling reveal that the unconventional ½〈110〉{001} dislocations become highly active with increasing temperature and thus play a critical role in the formation of deformation bands, leading to transition from brittle fracture to dislocation-mediated failure in Si nanowires at elevated temperatures. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: September 3, 2019

2017 article

Anomalous Tensile Detwinning in Twinned Nanowires

Cheng, G., Yin, S., Chang, T.-H., Richter, G., Gao, H., & Zhu, Y. (2017, December 21). Physical Review Letters, Vol. 19.

By: G. Cheng n, S. Yin *, T. Chang n, G. Richter *, H. Gao * & Y. Zhu n 

topics (OpenAlex): Microstructure and mechanical properties; Metal and Thin Film Mechanics; Nanowire Synthesis and Applications
TL;DR: Using quantitative in situ transmission electron microscopy based nanomechanical testing and molecular dynamics simulations, a transition of the deformation mechanism from localized dislocation slip to delocalized plasticity via an anomalous tensile detwinning mechanism in bitwinned metallic NWs is reported. (via Semantic Scholar)
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7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 article

On the size-dependent elasticity of penta-twinned silver nanowires

Chang, T.-H., Cheng, G., Li, C., & Zhu, Y. (2016, March 10). Extreme Mechanics Letters, Vol. 8, pp. 177–183.

By: T. Chang n, G. Cheng n, C. Li n & Y. Zhu n 

Contributors: T. Chang n, G. Cheng n, C. Li n & Y. Zhu n 

author keywords: Nanowires; Nanomechanics; Elasticity size effect
topics (OpenAlex): Advanced Sensor and Energy Harvesting Materials; ZnO doping and properties; Electronic Packaging and Soldering Technologies
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 article

A review of microelectromechanical systems for nanoscale mechanical characterization

Zhu, Y., & Chang, T.-H. (2015, August 20). Journal of Micromechanics and Microengineering, Vol. 25.

By: Y. Zhu n  & T. Chang n

Contributors: Y. Zhu n  & T. Chang n

author keywords: microelectromechanical system; nanomechanics; nanostructure; nanowire
topics (OpenAlex): Force Microscopy Techniques and Applications; Mechanical and Optical Resonators; Nanowire Synthesis and Applications
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 article

Recoverable plasticity in penta-twinned metallic nanowires governed by dislocation nucleation and retraction

Qin, Q., Yin, S., Cheng, G., Li, X., Chang, T.-H., Richter, G., … Gao, H. (2015, January 13). Nature Communications, Vol. 6.

By: Q. Qin n, S. Yin *, G. Cheng n, X. Li *, T. Chang n, G. Richter *, Y. Zhu n , H. Gao *

Contributors: Q. Qin n, S. Yin *, G. Cheng n, X. Li *, T. Chang n, G. Richter *, Y. Zhu n , H. Gao *

topics (OpenAlex): Microstructure and mechanical properties; Metal and Thin Film Mechanics; ZnO doping and properties
TL;DR: A dislocation-mediated, time-dependent and fully reversible plastic behaviour in penta-twinned silver nanowires is reported, which originates from the surface nucleation, propagation and retraction of partial dislocations. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 article

Mechanical Properties of Silicon Carbide Nanowires: Effect of Size-Dependent Defect Density

Cheng, G., Chang, T.-H., Qin, Q., Huang, H., & Zhu, Y. (2014, January 1). Nano Letters, Vol. 14, pp. 754–758.

By: G. Cheng n, T. Chang n, Q. Qin n, H. Huang* & Y. Zhu n 

Contributors: G. Cheng n, T. Chang n, Q. Qin n, H. Huang* & Y. Zhu n 

author keywords: Size effect; ultrahigh strength; in situ tensile testing; brittle fracture; nanomechanics
topics (OpenAlex): Silicon Carbide Semiconductor Technologies; Advanced ceramic materials synthesis; Diamond and Carbon-based Materials Research
TL;DR: The SiC NWs are found to deform linear elastically until brittle fracture, and their fracture origin is identified in the 3C structures with inclined SFs, rather than the highly defective structures. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 article

A microelectromechanical system for thermomechanical testing of nanostructures

Chang, T.-H., & Zhu, Y. (2013, December 23). Applied Physics Letters, Vol. 103.

By: T. Chang n & Y. Zhu n 

Contributors: T. Chang n & Y. Zhu n 

topics (OpenAlex): Nanowire Synthesis and Applications; Thermal properties of materials; Force Microscopy Techniques and Applications
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

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