Ductile and high strength Cu fabricated by solid-state cold spray additive manufacturing

C Chen, Y Xie, S Yin, W Li, X Luo, X Xie, R Zhao… - Journal of Materials …, 2023 - Elsevier
In this work, pure Cu with excellent strength and ductility (UTS of 271 MPa, elongation to
fracture of 43.5%, uniform elongation of 30%) was prepared using cold spray additive …

Small-scale mechanical testing

V Jayaram - Annual Review of Materials Research, 2022 - annualreviews.org
This article reviews recent developments in small-scale mechanical property testing with
some emphasis on intermediate (meso) length scales in complex microstructures and …

Influence of Mg on tensile deformation behavior of high Mg-content Al-Mg alloys

D Zhou, X Zhang, H Wang, Y Li, B Sun… - International Journal of …, 2022 - Elsevier
Al-Mg based alloys are known to experience dynamic strain aging (DSA) at room
temperature, which is often associated with the diffusion of mobile Mg atoms to dislocation …

Ultra-strong architected Cu meso-lattices

XW Gu, JR Greer - Extreme Mechanics Letters, 2015 - Elsevier
dimensional solid Cu octet meso-lattices with characteristic features on the micron-scale
were fabricated and mechanically tested under uniaxial compression. These architected …

Size-dependent deformation of nanocrystalline Pt nanopillars

XW Gu, CN Loynachan, Z Wu, YW Zhang… - Nano …, 2012 - ACS Publications
We report the synthesis, mechanical properties, and deformation mechanisms of
polycrystalline, platinum nanocylinders of grain size d= 12 nm. The number of grains across …

Size effect on deformation behavior and ductile fracture in microforming of pure copper sheets considering free surface roughening

B Meng, MW Fu - Materials & Design, 2015 - Elsevier
In meso/micro-scaled plastic deformation, material deformation and ductile fracture are quite
different from those in macro-scale. The roughness of the free surfaces of workpiece …

25 year perspective Aspects of strain and strength measurement in miniaturised testing for engineering metals and ceramics

JD Lord, B Roebuck, R Morrell… - Materials Science and …, 2010 - Taylor & Francis
Testing in the microregime is relevant to many technological issues, including, for example,
evaluating the performance of established plant or new components through removal of …

Influence of size effect on the springback of sheet metal foils in micro-bending

JG Liu, MW Fu, J Lu, WL Chan - Computational Materials Science, 2011 - Elsevier
To analyze the unloading springback of sheet metal foils after micro-bending process, a
constitutive model is proposed based on the surface layer model by which the sheet foil is …

Experimental studies and numerical modeling of the specimen and grain size effects on the flow stress of sheet metal in microforming

WL Chan, MW Fu - Materials Science and Engineering: A, 2011 - Elsevier
In this research, the interactive effect of grain and specimen sizes on the flow stress of sheet
metal in microforming is investigated via the tensile test of pure copper and numerical …

Analysis of size dependent earing evolution in micro deep drawing of TWIP steel by using crystal plasticity modeling

N Guo, J Wang, CY Sun, YF Zhang, MW Fu - International Journal of …, 2020 - Elsevier
As a promising microforming process, micro deep drawing has attracted great attention for
manufacturing of microparts with unique cup-features. However, the occurrence of size effect …