نتایج جستجو برای: microstructure characterization

تعداد نتایج: 412206  

Journal: :Human brain mapping 2013
Brett W Fling Bryan L Benson Rachael D Seidler

Recent studies have demonstrated neuroanatomically selective relationships among white matter tract microstructure, physiological function, and task performance. Such findings suggest that the microstructure of transcallosal motor fibers may reflect the capacity for interhemispheric inhibition between the primary motor cortices, although full characterization of the transcallosal inhibitory sen...

2016
Xiaodong Wang Shengcheng Mao Jianfei Zhang Zhipeng Li Qingsong Deng Jin Ning Xudong Yang Li Wang Yuan Ji Xiaochen Li Yinong Liu Ze Zhang Xiaodong Han

In this work, we designed a MEMS device which allows simultaneous direct measurement of mechanical properties during deformation under external stress and characterization of the evolution of microstructure of nanomaterials within a transmission electron microscope. This MEMS device makes it easy to establish the correlation between microstructure and mechanical properties of nanomaterials. The...

2009
Xi-Shu Wang Hua-Ping Tang Xu-Dong Li Xin Hua

This review covers recent advances and work on the microstructure features, mechanical properties and cracking processes of conducting polymer film/coating- substrate structures under different testing conditions. An attempt is made to characterize and quantify the relationships between mechanical properties and microstructure features. In addition, the film cracking mechanism on the micro scal...

Journal: :Carbohydrate polymers 2014
Dina M Silva Cláudia Nunes Isabel Pereira Ana S P Moreira Maria Rosário M Domingues Manuel A Coimbra Francisco M Gama

The characterization of several commercial dextrins and the analysis of the potential of dextrin derived hydrogels for biomedical applications were performed in this work. The structural characterization of dextrins allowed the determination of the polymerization and branching degrees, which ranged from 6 to 17 glucose residues and 2 to 13%, respectively. Tackidex, a medical grade dextrin was c...

2016
Amir Mostafaei Yashar Behnamian Yuval L. Krimer Erica L. Stevens Jing Li Luo Markus Chmielus

Powder bed binder jet printing (BJP) is an additive manufacturing method in which powder is deposited layer-by-layer and selectively joined in each layer with binder. The data presented here relates to the characterization of the as-received feedstock powder, BJP processing parameters, sample preparation and sintering profile ("Effect of solutionizing and aging on the microstructure and mechani...

2016
Masoud Vejdannik Ali Sadr

During the gas tungsten arc welding of nickel based superalloys, the secondary phases such as Laves and carbides are formed in final stage of solidification. But, other phases such as 紘′′ and 絞 phases can precipitate in the microstructure, during aging at high temperatures. However, it is possible to minimize the formation of the Nb-rich Laves phases and therefore reduce the possibility of soli...

2016
Liyong Yang Joseph A. Turner Zheng Li

Ultrasonic characterization of microstructure evolution during processing" (2007). Many cold-working processes for polycrystalline metals cause alignment of the grains with a single symmetry axis. This type of microstructure is called fiber texture. The existence of a preferred orientation of the grains has a significant influence on the propagation and scattering of ultrasonic waves, which are...

A. A. Ramezanianpour M. Abdouss M. Jafarbeglou

   This paper reviews some progressive studies and innovations in cement and concrete materials in nano field. Due to the widespread acceptance of the special properties of nano materials and using them for engineering concrete performance, understanding and directing their properties are not achievable without instructing concepts and investigating interactions among components. Due to ach...

2012
Je-Hyeong Bahk Parthiban Santhanam Zhixi Bian Rajeev Ram Ali Shakouri

Formation mechanisms of spatially-directed zincblende gallium nitride nanocrystals Role of oxygen on microstructure and thermoelectric properties of silicon nanocomposites Spectrally and temporarily resolved luminescence study of short-range order in nanostructured amorphous ZrO2 Characterization of luminescent silicon carbide nanocrystals prepared by reactive bonding and subsequent wet chemica...

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