Search Results - "Lu, K"

Making strong nanomaterials ductile with gradients by Lu, K.

“…Microstructures that increase metal crystallite size from nanoscale with surface depth are both strong and ductile Steels can be made stronger, tougher, or…”
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Stabilizing nanostructures in metals using grain and twin boundary architectures by Lu, K.

“…Forming alloys with impurity elements is a routine method for modifying the properties of metals. An alternative approach involves the incorporation of…”
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The Future of Metals by Lu, K.

“…Despite advances made in composite materials, metals remain irreplaceable in many important applications. On 15 December 2009, the world's most fuel-efficient…”
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Improving sustainability with simpler alloys by Li, Xiuyan, Lu, K

“…The high performance of alloy materials can be maintained with compositional “plainification” The hardening of copper by alloying with tin and lead in the…”
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Playing with defects in metals by Li, Xiuyan, Lu, K.

“…Xiuyan Li and K. Lu discuss a strategy, alternative to alloying, to tailor the mechanical properties of metals. By engineering defects, metals with bespoke…”
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Enhanced thermal stability of nanograined metals below a critical grain size by Zhou, X, Li, X Y, Lu, K

“…The limitation of nanograined materials is their strong tendency to coarsen at elevated temperatures. As grain size decreases into the nanoscale, grain…”
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A Novel Metastable Structure in Polycrystalline Metals With Extremely Fine Grains: Schwarz Crystal by Lu, K.

“…Most metals exist in form of polycrystalline states consisting of crystalline grains and grain boundaries. These structurally defective boundaries make the…”
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Size Dependence of Grain Boundary Migration in Metals under Mechanical Loading by Zhou, Xin, Li, Xiuyan, Lu, K

“…The greatly increased grain boundary (GB) mobility in nanograined metals under mechanical loading is distinguished from that in their coarse-grained…”
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Grain boundary stability governs hardening and softening in extremely fine nanograined metals by Hu, J., Shi, Y. N., Sauvage, X., Sha, G., Lu, K.

“…Conventional metals become harder with decreasing grain sizes, following the classical Hall-Petch relationship. However, this relationship fails and softening…”
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Multicomponent intermetallic nanoparticles and superb mechanical behaviors of complex alloys by Yang, T, Zhao, Y L, Tong, Y, Jiao, Z B, Wei, J, Cai, J X, Han, X D, Chen, D, Hu, A, Kai, J J, Lu, K, Liu, Y, Liu, C T

“…Alloy design based on single-principal-element systems has approached its limit for performance enhancements. A substantial increase in strength up to…”
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Strengthening Materials by Engineering Coherent Internal Boundaries at the Nanoscale by Lu, K., Lu, L., Suresh, S.

“…Strengthening materials traditionally involves the controlled creation of internal defects and boundaries so as to obstruct dislocation motion. Such strategies…”
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Stabilizing Supersaturation with Extreme Grain Refinement in Spinodal Aluminum Alloys by Xu, Wei, Zhong, Yiming, Li, Xiuyan, Lu, K.

“…Supersaturated solid solutions can be formed in alloys from various non‐equilibrium processes, but stabilizing the metastable phases against decomposition is…”
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Formation of nano-laminated structure in nickel by means of surface mechanical grinding treatment by Liu, X.C., Zhang, H.W., Lu, K.

“…A polycrystalline Ni (99.882% purity) bar sample was subjected to surface mechanical grinding treatment (SMGT) at ambient temperature. Gradient microstructures…”
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Development and Challenges of Antimicrobial Peptides for Therapeutic Applications by Chen, Charles H, Lu, Timothy K

“…More than 3000 antimicrobial peptides (AMPs) have been discovered, seven of which have been approved by the U.S. Food and Drug Administration (FDA). Now…”
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Formation of Stable Schwarz Crystals in Polycrystalline Copper at the Grain Size Limit by Jin, Zhaohui, Li, Xiuyan, Lu, K

“…A prototype Schwarz crystal (SC) structure of dividing–space minimal grain boundaries (GBs) constrained by coherent twin boundaries (CTBs) was recently…”
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Synthetic circuits integrating logic and memory in living cells by Siuti, Piro, Yazbek, John, Lu, Timothy K

“…A toolbox for rapidly creating synthetic circuits that respond to past and present inputs opens new doors for cellular engineering. Logic and memory are…”
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Revealing the Maximum Strength in Nanotwinned Copper by Lu, L, Chen, X, Huang, X, Lu, K

“…The strength of polycrystalline materials increases with decreasing grain size. Below a critical size, smaller grains might lead to softening, as suggested by…”
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Strain-Induced Ultrahard and Ultrastable Nanolaminated Structure in Nickel by Liu, X. C., Zhang, H. W., Lu, K.

“…Heavy plastic deformation may refine grains of metals and make them very strong. But the strain-induced refinement saturates at large strains, forming…”
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Constrained minimal-interface structures in polycrystalline copper with extremely fine grains by Li, X Y, Jin, Z H, Zhou, X, Lu, K

“…Metals usually exist in the form of polycrystalline solids, which are thermodynamically unstable because of the presence of disordered grain boundaries. Grain…”
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Suppressing atomic diffusion with the Schwarz crystal structure in supersaturated Al–Mg alloys by Xu, W., Zhang, B., Li, X. Y., Lu, K.

“…Locking structure to high temperature Because of atomic diffusion, metal alloys with nanometer-sized crystal grains do not retain their structure at high…”
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