Results 101 to 110 of about 45,260 (306)

Molecular Dynamics Simulation on Mechanical Response of Nano-indentation for Molybdenum-rhenium Alloy

Yuanzineng kexue jishu
Molybdenum-rhenium (Mo-Re) alloys are promising candidates for structural materials of advanced nuclear reactors, endowing with high melting point, good strength and plasticity, outstanding compatibilities with nuclear fuels and alkali metal coolant. The
WANG Jiayu1, QIN Menglu1, YANG Yexin1, TONG Zhenfeng1, LI Yawen2, LI Xiaochun2, LIU Yunfei1, SUN Lu1
doaj   +1 more source

Quantitative Hardness Measurement by Instrumented AFM-indentation [PDF]

Journal of Visualized Experiments, 2016
In this work, a combination of amplitude-modulated non-contact atomic force microscopy and atomic force spectroscopy is applied for instrumented hardness measurements on an Au(111) surface with atomistic resolution of single plasticity events. A careful experimental procedure is described that includes the force sensor selection, its calibration, the ...
openaire   +2 more sources

Poking Pluripotency: Nanoinjection Into Human iPSCs

Advanced Materials, EarlyView.
Nanoinjection into hiPSCs: silicon nanotubes effectively transfect human induced pluripotent stem cells (hiPSCs) with mRNA, enabled by a delayed extracellular matrix application and enhanced surface functionalization. Nanoinjection is demonstrated with several reporter mRNA, including co‐transfection of mCherry and GFP.
Jann Harberts, Vuong Thi Thanh Xuan Ho, Yuqi Yang, Yuan Jiang, Roey Elnathan, Nicolas H. Voelcker   +5 more
wiley   +1 more source

Nanoindentation of single pulp fibre cell walls [PDF]

, 2018
Unrefined chemical pulps of bleached and unbleached softwood (Scots pine, Pinus sylvestris) and hardwood (Eucalyptus, Eucalyptus globulus) were subjected to indentation tests using a nanoindenter equipped with an AFM scanner.
Adusumalli, Ramesh-Babu, Michler, Johann, Mook, William, Passas, Raphael, Schwaller, Patrick   +4 more
core  

Indentation hardness evaluation of cathodic arc deposited thin hard coatings

Surface and Coatings Technology, 2001
Abstract One trend in the development of wear-resistant vapour deposited coatings is to make them increasingly harder and thinner, by improvement and optimisation of the deposition processes. A complex interdependence exists between the individual properties of a coating and a substrate on the one hand, and those of the ‘composite’ coated system on ...
Tuck JR, Korsunsky AM, Bhat DG, Bull SJ
openaire   +4 more sources

Self‐Regulating Sodium‐Ion Battery Materials: From Phase Reconstruction to Functional Activation

Advanced Materials, EarlyView.
Self‐regulating sodium‐ion batteries hinge on programmable phase behavior in layered oxides, interphases that renew without growth, and electrolytes that steer solvation and chemistry. This review distills mechanisms into design rules that span composition, site and entropy tuning, and self‐buffering anodes, linking operando evidence to choices and ...
Hong Gao, Dingyi Zhang, Chao Wang, Tianxiao Chen, Xingwang Peng, Yuxiu Xing, Xin Guo, Yufei Zhao, Yong Wang, Guoxiu Wang, Hao Liu   +10 more
wiley   +1 more source

Micromechanical behavior of (CoCrNi)94Al3Ti3 medium-entropy alloy

Journal of Materials Research and Technology
The micromechanical behavior of (CoCrNi)94Al3Ti3 medium-entropy alloy (MEA) with and without Al2O3 nanoparticles was investigated by nanoindentation, microhardness, and microscratch tests.
Ming Liu, Zhitong Xu, Rui Liang, Shanhong Wan, Fuqian Yang, Jinyang Jiang   +5 more
doaj   +1 more source

AI–Guided 4D Printing of Carnivorous Plants–Inspired Microneedles for Accelerated Wound Healing

Advanced Materials, EarlyView.
This work presents an artificial intelligence (AI)‐guided 4D‐printed microneedle platform inspired by carnivorous plants for wound healing. A thermo‐responsive shape memory polymer enables body temperature–triggered self‐coiling for autonomous wound closure.
Hyun Lee, Moon‐Jo Kim, DongEung Kim, Chan Ho Moon, Seojoon Bang, Hyeong Seok Kang, Ju Yeong Gwon, Jong Hwa Seo, Junhyub Jeon, Junhyuk Son, Munwon Lim, Minho Kang, Dong Yun Lee, Donghyun Lim, Jung‐Hoon Park, Gi Doo Cha, Soo‐Hong Lee, Tae‐Sik Jang, Kisuk Yang, Yunho Jeong, Youngho Eom, Hyun‐Do Jung   +21 more
wiley   +1 more source

Factors Resulting in Micron Indentation Hardness Descending in Indentation Tests

Chinese Journal of Aeronautics, 2009
AbstractSome factors that affect the experimental results in nanoindentation tests such as the contact depth, contact area, load and loading duration are analyzed in this article. Combining with the results of finite element numerical simulation, we find that the creep property of the tested material is one of the important factors causing the micron ...
Min, Li, Weimin, Chen
openaire   +1 more source

Investigation of Structural, Mechanical and Electrochemical Properties of Temperature‐Dependent Dual AlN/TiAlN Coating Synthesized by CVD Process

Advanced Materials Interfaces, EarlyView.
This study investigates thermally CVD‐deposited AlN/TiAlN dual‐layer coatings over a Si substrate, focusing on the temperature‐dependent process‐structure relationship. Systematic characterization reveals that a dense AlN interlayer combined with an optimally deposited TiAlN top layer provides enhancement in mechanical strength, tribological stability,
Soham Das, Abhishek Kundu, Debjyoti Sahu, Nikhil Kumar, Spandan Guha   +4 more
wiley   +1 more source