Compound layer
Effect of Compound Layer Thickness Composed of γ' Fe4N on Rotated Bending Fatigue Strength in Gas Nitrided JIS SCM435 Steel
... N. Compound layer thickness analyses by an optical mi- croscope, pore shape analyses by FE-SEM (Field-Emission Scanning Electron Microscopy), phase and orientation analy- ses by EBSD (Electron Back Scatter ...
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Fracture Toughness Evaluation of Thin Fe Al Intermetallic Compound Layer at Reactive Interface between Dissimilar Metals
... brittle layer, and large slip deformation accumulates only in the plastic ...brittle layer, and the stress component perpendicular to the crack surface becomes zero on the crack ...
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Characterization of Intermetallic Compound Layer Formed at the Weld Interface of the Defocused Laser Welded Low Carbon Steel/6111 Aluminum Alloy Lap Joint
... IMC layer in the present study was generally thin and ranged from about 1 to 6 ...IMC layer is not reliable since the IMC layer is thin compared to the beam diameter available in this atomic ...
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Effects of Gas Blow Velocity on the Surface Properties of Ti 6Al 4V Alloy Treated by Gas Blow IH Nitriding
... hardened layer was thicker in the H1123 ...diffusion layer beneath the compound ...Nitrogen compound layers were evidently formed at the outermost surfaces of the gas blow IH nitrided speci- ...
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Growth Behavior of Au Sn and Ag Sn Compounds during Solid state Reactive Diffusion between Au Ag Alloys and Sn
... means that the grain size of the compound layer is propor- tional to the square root of the annealing time. In the Au–Sn system, the exponent is equal to 0.36 at T ¼ 473 K and increases with decreasing ...
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Gas nitriding and subsequent oxidation of Ti 6Al 4V alloys
... Figure 3 shows the SEM images of the nitrided Ti- 4Al-6V alloys. Regardless of the nitriding time, all of the surfaces exhibited a golden yellow color and consisted of fine nitrides with a smooth surface. The nitrided ...
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Kinetics of Solid State Reactive Diffusion in the (Sn Ni)/Cu System
... The kinetics of the solid-state reactive diffusion between SnNi alloys and pure Cu was experimentally observed to examine effects of addition of Ni into Sn on the growth behavior of compounds at the interconnection ...
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Observation on Isothermal Reactive Diffusion between Solid Fe and Liquid Sn
... a compound layer with a columnar microstructure is observed between the Fe and the Sn, and the longitudinal direction of each columnar grain is almost normal to the initial Fe / Sn interface in the ...
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Study of the Effect of Gas Nitriding Time on Microstructure and Wear Resistance of 42CrMo4 Steel
... When it is compared to the nitrided steels in Figure 6, it is observed that the 24 h nitrided samples resulted in improved adhesive wear resistance than this improvement is due to the higher surface hardness values. ...
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Improvement of the Surface Layer of Steel Using Microwave Plasma Nitriding
... nitride compound layer formed with ion nitriding (discharge current, 400 V; current, 50-130 mA) was much thicker than that with microwave plasma nitriding, and it increased substantially with ...the ...
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Numerical Analysis for Kinetics of Reactive Diffusion Controlled by Boundary and Volume Diffusion in a Hypothetical Binary System
... intermetallic compound and two primary solid-solution phases has been considered in order to examine the kinetics of the reactive diffusion controlled by boundary and volume ...the compound layer will ...
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AN OVERVIEW ON THIN LAYER CHROMATOGRAPHY
... each compound will either remain with the solid phase or dissolve in the solvent and move up the ...the compound moves up the plate or stays behind depend on the physical properties of that individual ...
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Qualitative And Quantitative Estimation Of Gallic Acid In Rohitakarishta Formulation
... 2. Vandana V. Kadlag, Veena S. Kasture, Seema A. Gosavi, and Rasika D. Bhalke. Standardiza- tion of marketed Adulsa syrup containing Va- saka by High performance thin layer Chroma- tography. Asian Journal of ...
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Reactivity between Sn Ag Solder and Au/Ni Co Plating to Form Intermetallic Phases
... layer against the diffusion of Ni to solder, formation of intermetallic compound at inside of Sn–Ag solder was not occur as such even if holding time of peak temperature was extended. 4,5) While, in this ...
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Odour emissions from poultry litter – A review litter properties, odour formation and odorant emissions from porous materials
... specific compound; and environmental conditions can trigger the change in direction of ...particular compound in two different media, which occur due to changes in ...
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Diversity oriented synthesis : substitution at C5 in unreactive pyrimidines by Claisen rearrangement and reactivity in nucleophilic substitution at C2 and C4 in pteridines and pyrido[2,3-d]pyrimidines
... 2-(Benzylsulfanyl)-6,7-dimethyl-4(3H)-pteridinone 16a (100 mg, 0.335 mmol) and BOP (196 mg, 0.443 mmol, 1.3 eq) were suspended in dry acetonitrile (10 mL). DBU (76 µl, 0.493 mmol, 1.5 eq) was then added dropwise and the ...
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Characterization of Caffeine Isolated from Camellia Sinensis Leaves of Sikkim Himalayan Region
... From FTIR studies found that the corresponding spectra all the functional groups are within the range and IR spectra of isolated caffeine almost matched with the spectra of standard caffeine. This study concludes that ...
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The Research on Tapered Joint Design for Power Transmission of 2MW Wind Turbine
... joint of wind power turbine. The main variables of tapered joint are the amount of transmitting torque, the shaft diameter, the contact area of tapered ring and the tightening torque of bolts to impose compressive ...
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Compound Design for Continuously Cast Concrete to Underlie an Extensive Ice Layer in the 13th National Winter Games Venues
... Abstract: This paper details the design process and testing procedure used to create frost-resistant concrete for this engineering project, which involved considering properties such as tendency to shrinkage and ...
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Phyllostictine A ring assembly via ring closing metathesis
... The imine of aniline (0.91 mL, 10.0 mmol) and benzylaldehyde (1.0 mL, 10.0 mmol) was preformed (MgSO 4 (0.63 g, 5.00 mmol) in CH 2 Cl 2 (10 mL) overnight) was dissolved in CH 2 Cl 2 (50 mL). Et 3 N (1.37 mL, 10.0 mmol) ...
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