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Jurnal Institusi
Preparation and Characterization of Carbon Foam Derived from Fine Coal and Phenolic Resin
Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 243-248
Carbon foam from fine coal and phenolic resin mixture had been prepared by heating in nitrogen atmosphere. The composition of fine coal in a mixture was 30, 35, 40, 45 and 50%. Physical and mechanical characters of carbon foam that were determined fr...
Jurnal Institusi
Synthesis and Characterization of Alumina Precursors Derived from Aluminum Metal through Electrochemical Method
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 123-129
This study investigated the use of the electrochemical method to prepare alumina (a-Al2O3) from aluminum metal. The a-Al2O3 precursor was calcined at 110 °C for six hours and then characterized using Fourier Transform Infrared (FTIR) spectroscopy, P...
Jurnal Institusi
Microstructure Analysis of Synthesized LiBOB
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 242-247
Lithium bis (oxalate) borate or LiBOB is an active material used as the electrolyte for lithium battery application. LiBOB (LiB(C2O4)2) powder was prepared from LiOH, H2C2O4 and H3BO3. The employed method was solid state reaction. LiBOB powder produc...
PubMed
The Effects of Microstructure on the Dynamic Mechanical Response and Adiabatic Shearing Behaviors of a Near-α Ti-6Al-3Nb-2Zr-1Mo Alloy
Materials (Basel)
The formation and evolution of adiabatic shear behaviors, as well as the corresponding mechanical properties of a near-Ti-6Al-3Nb-2Zr-1Mo (Ti-6321) alloy during dynamic compression process, were systematically investigated by the split Hopkinson pres...
PubMed
Entropy decay during grain growth
Sci Rep
Materials with random microstructure are characterized by additional thermodynamic parameters, entropy and temperature of microstructure. It has been argued that there is one more law of thermodynamics: entropy of microstructure decays in isolated sy...
PubMed
A Convenient and High-Efficient Laser Micro-Engraving Treatment for Controllable Preparation of Microstructure on Al Alloy
Materials (Basel)
Surface microstructure preparation offers a promising approach for overcoming the shortcomings of Al alloy, such as poor friction resistance, low hardness and weak corrosion resistance to corrosive liquid. Though many methods for the surface microstr...
PubMed
Preparation of Highly Stable Polymer Microstructure with Enhanced Adhesion Strength by Pushpin-like Nano/Microstructure Array
Polymers (Basel)
This polymer microstructure expands more available application, which is a milestone for the development of micro-electro-mechanical system devices towards intelligence and multifunction. Poor interface bonding between the polymer and Si or metal is ...
PubMed
Comparison on Tensile Characteristics of Plain C–Mn Steel with Ultrafine Grained Ferrite/Cementite Microstructure and Coarse Grained Ferrite/Pearlite Microstructure
Materials (Basel)
This work investigated the tensile characteristics of plain C–Mn steel with an ultrafine grained ferrite/cementite (UGF/C) microstructure and coarse-grained ferrite/pearlite (CGF/P) microstructure. The tensile tests were performed at temperatures b...
PubMed
Effects of White Matter Microstructure on Phase and Susceptibility Maps
Magn Reson Med
PURPOSE: To investigate the effects on quantitative susceptibility mapping (QSM) and susceptibility tensor imaging (STI) of the frequency variation produced by the microstructure of white matter (WM). METHODS: The frequency offsets in a WM tissue sam...
PubMed
Curved Film Microstructure Arrays Fabricated via Mechanical Stretching
Micromachines (Basel)
We report on curved film microstructure arrays fabricated through polydimethylsiloxane (PDMS) film buckling induced by mechanical stretching. In the process of the microstructure preparation, a PDMA film is glued on a bidirectionally prestretched PDM...
PubMed
Verbal memory and hippocampal volume predict subsequent fornix microstructure in those at risk for Alzheimer’s disease
Brain Imaging Behav
While strong cross-sectional evidence supported the use of fornix microstructure as a marker for detecting Alzheimer’s disease (AD), longitudinal data remains inconclusive on the sequential nature of fornix microstructure abnormalities and AD progr...
PubMed
Study on surface microstructure of cylindrical roller bearings for open-pit coal mine conveyors
Sci Rep
To investigate the advantages of microstructure in enhancing multiple performance characteristics of conveyor idler bearings and other friction pairs in open-pit coal mines, this study conducted computational fluid dynamics (CFD) simulations on NU205...
PubMed
A Study of the Quantitative Relationship between Yield Strength and Crystal Size Distribution of Beeswax Oleogels
Gels
Beeswax and beeswax hydrocarbon-based oleogels were studied to evaluate the quantitative relationship between their yield strength and crystal size distribution. With this aim, oleogels were prepared using four different cooling regimes to obtain dif...
PubMed
On oscillatory microstructure during cellular growth of directionally solidified Sn–36at.%Ni peritectic alloy
Sci Rep
An oscillatory microstructure has been observed during deep-cellular growth of directionally solidified Sn–36at.%Ni hyperperitectic alloy containing intermetallic compounds with narrow solubility range. This oscillatory microstructure with a dimens...
PubMed
Stress and Microstructures Characterization Based on Magnetic Incremental Permeability and Magnetic Barkhausen Noise Techniques
Materials (Basel)
Both microstructure and stress affect the structure and kinematic properties of magnetic domains. In fact, microstructural and stress variations often coexist. However, the coupling of microstructure and stress on magnetic domains is seldom considere...
PubMed
Pulse pressure trajectories predict brain microstructure in community-dwelling older adults: Associations with executive function and modification by APOE
Alzheimers Dement
INTRODUCTION: Effects of chronic arterial stiffness on brain aging remain unclear. We therefore examined whether long-term trajectories of pulse pressure (PP) predicted brain microstructure, microstructure mediated PP-executive function associations,...
PubMed
Visual Computation of Material Microstructure and Deformation
Materials (Basel)
The experimentally obtained material microstructure can be used to calculate a material’s properties and identify microstructure–property relationships. The key procedure to enable this is to interpret the observed microstructure accurately. This...
PubMed
Estimation of Average Grain Size from Microstructure Image Using a Convolutional Neural Network
Materials (Basel)
In this study, the average grain size was evaluated from a microstructure image using a convolutional neural network. Since the grain size in a microstructure image can be directly measured and verified in the original image, unlike the chemical comp...
PubMed
Predicting material microstructure evolution via data-driven machine learning
Patterns (N Y)
Predicting microstructure evolution can be a formidable challenge, yet it is essential to building microstructure-processing-property relationships. Yang et al. offer a new solution to traditional partial differential equation-based simulations: a da...
PubMed
A Fully Bayesian Inference Framework for Population Studies of the Brain Microstructure
Med Image Comput Comput Assist Interv
Models of the diffusion-weighted signal are of strong interest for population studies of the brain microstructure. These studies are typically conducted by extracting a scalar property from the model and subjecting it to null hypothesis statistical t...