Materials Literature
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Stature is one of the important criteria for establishing identification of unknown person/dead body. Reconstruction of stature is a tedious job when dead bodies are mutilated, burnt or skeletonised. In this study, attempt is made to reconstruct stature by percutaneous measurement of hand as in cases of dismembered re…
The magnesium silicide nanoparticles were formed on the surface of hydrogenated silicon thin films by thermal evaporation, annealing and hydrogen plasma treatment. The high reactivity of silicon and magnesium leads to the self-formation of magnesium silicide nanoparticles (NPs). The reaction is stimulated in-situ by t…
By simple microwave irradiated solvothermal process using microwave oven Cadmium Selenite (CdSeO 3 ) nanoparticles were prepared. Cadmium acetate and Sodium selenite were used as precursors in the molar ratio 1:3. The powder XRD result shows that particles are purely crystallized in hexagonal phase with the broadening…
This work investigates and predicts the fatigue life of 316L stainless steel materials under variable cyclic loading at high elevated temperatures utilising the continuum damage mechanics analysis (CDM). This work is validated experimentally for 316L stainless steel specimens subjected to continuous cyclic loading as…
Corrosion inhibition of aluminum (6061) in aqueous solution at pH 11 by o-nitrophenol-Zn 2+ systems has been reported.The study was carried out using classical weight loss method, potentiodynamic polarization study and Fourier Transform Infra-red Spectrocopy (FTIR) Technique.Experimental results indicated that the pre…
In the study, the isothermal thermogravimetric analysis (TGA) of hydroxyapatite synthesized in gelatin matrix (HAG) has been performed. 3 wt.% HAG samples were synthesized from the solution simulating the human extracellular fluid (SBF). X-ray diffraction and IR spectroscopy were used to determine the composition. Dur…
In this work differential transform method (DTM) is used to study the vibration behavior of fluid conveying singlewalled carbon nanotube (SWCNT). Using the theories of thermo-elastic mechanics and nonlocal elasticity, a Euler -Bernoulli beam model is developed for nonlocal vibration of a fluid conveying single-walled…
The selection of solvents for acetic acid separation process was investigated with several solvents namely Butyl Butyrate, Benzene, Diisopropyl ether (DIPE), Methyl Iso Butyl Ketone (MIBK), and Ethyl Acetate. The suitable solvent for extracting acetic acid was determined experimentally by cloud point method. As the re…
Carbon particles (CPs) with regular spherical shape have intensive potential applications. Carbon spheres (CSs) with controllable sizes from 90 to 490 nm were prepared by hydrothermal process. The effects of hydrothermal parameters namely, concentration of glucose (0.1~0.9 mol/L), reaction temperature (170°C~190°C) an…
The effect of soaking conditions of ingots on the rate of recovery and recrystallization in a 1050 hot-rolled sheet during annealing at 350°C was investigated. The rate of recovery and recrystallization in no soaking and 600°C/8 h WQ (water quenching) was slower than that of 450°C/8 h FC (furnace cooling). Many solute…
Feedstock material behaviour in thermal spraying process under different parameters is essential in producing repeatable and controllable coatings. Article reviews three regimes of spraying, with a focus on the wear behaviour under the different conditions. RocDur 37 was selected as feedstock material. Regimes applyin…
Additive Manufacturing technologies such as Electron Beam Melting are empowering individuals to develop novelty materials by introducing hierarchical levels into solids. Features from the introduced architectures and the manufacturing technology grant these metamaterials with mechanical performances not commonly seen…
It has been found out that the metals and alloys produced by rapid cooling techniques have better structural and mechanical properties. The cooling rate is a critical factor affecting the resulting structure of a liquid-solid transition. The solidification of Al-33 wt% Cu is studied with the constant-volume and consta…
Intervention into current building industry is the main strategy of European Commissions in order to achieve one of the targeted aims for sustainable development ndash to reduce the emission of greenhouse gases by 20% until 2020 and by 80% until 2050. Increasing requirements for building energy performance, which cove…
Abstrak Penggunaan serat alam sebagai penguat material komposit polimer memberikan beberapa keuntungan karena serat alam memiliki massa jenis yang rendah, mampu terbiodegradasi, mudah di daur ulang, murah, memiliki sifat mekanik yang baik dan dapat diperbaharui. Gewang merupakan tumbuhan yang populer di daerah Nusa Te…
So far two kinds of solutions to the problem of opening-up vesicles with one hole have been found. One is cup-like shape found by Umeda and Suezaki (2005 Phys. Rev. E 71 011913), the other is dumbbell shape with one hole, found by our group. As seen in the context of the bilayer coupling (BC) model, the former corresp…
International audience
DMFC 阳极催化剂 Fe 3 O 4 @Pt 的制备及其催化性能 李 敏, 洛 园, 许伟佳, 刘家祥 (北京化工大学 材料电化学过程与技术北京市重点实验室, 化工资源有效利用国家重点实验室, 北京 100029) 摘 要: 采用水热法制得粒径为 150~300 nm、分散性良好的 Fe 3 O 4 磁性内核颗粒, 经 APTES 对 Fe 3 O 4 进行氨基化修 饰后, 用
Ni-Fe-Ti ternary alloys, as a type of structural and magnetic material, have received more attention in the industrial fields in recent decades. For the purpose of providing necessary experimental data and theoretical basis for industrial appliance of these alloys, the researches of rapid solidification mechanism and…
Two cracking clay soils of Rajmahal Trap viz., Jetkumarjari and Jirul Series were studied for their morphological, physical, chemical and mineralogical characteristics. The soils are very deep, somewhat poor to moderately well drained, silty clay in texture with cracking characteristics indicated by occurrence of pres…