Materials Literature
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There is a lot of discussion and little agreement about the mechanisms for the oxygen reduction/oxide ion oxidation reaction ceramic electrodes in solid oxide cells, such as perovskite electrodes like the lanthanum strontium manganate – yttria stabilized zirconia composite electrode or mixed ion and electron conductin…
This specification establishes the requirements for copper-nickel-tin, copper-nickel-zinc, and copper-nickel alloy plates, sheets, strips, and rolled bars made from UNS C70600, C70620, C71000, C71500, C71520, C72200, C72500, C73500, C74000, C74500, C75200, C76200, or C77000 alloy. Each product should be manufactured b…
This specification covers flat-rolled, nonoriented semiprocessed electrical steel intended primarily for commercial power frequency applications in magnetic devices. These electrical steels are low carbon, silicon-iron, or silicon-aluminum-iron alloys, and are classified according to core-loss type, namely: 47S155, 47…
Significance and Use 5.1 Contrast ratio at a specified film thickness is a useful hiding power parameter for production control and purchasing specifications. 5.2 The greater the hiding power, the less coating is required per unit area to obtain adequat
Emerald Specialty Polymers, a business group of Ohio-based Emerald Performance Materials, has extended its established family of Nychem latex emulsions with the introduction of Nychem® Poly4000 latex, a specialized waterborne, poly-butadiene homopolymer. The new product is the softest polymer in the product line and c…
Solid-state Mediator supercapacitors (SCs) are supposed to provide a high specific energy (25-30 Wh/kg) and high specific power (10-25 kW/kg). In addition, they are shape-flexible, hazard-free, and temperature insensitive. Mediator supercapacitors can be made into dual functional structural materials that store energy…
Ultrananocrystalline diamond (UNCD) is characterized by the dimensions of its ultra-nanoscale grains and is typically synthesized under high nucleation conditions using an argon-rich hydrogen/methane/argon gas mixture. UNCD films consist of crystalline grains of at least 95% sp3-bonded carbon that are 2-10 nm in size…
Charge separation of excitons in materials is one of the most important physical processes to utilize the solar energy in diverse devices including solar cells and photo-catalysts. Heterogeneous interfaces with the so-called type-II character are often employed to infer the interfacial charge transfer in this context.…
Proton conducting solid oxide fuel cells (p-SOFC) have received attention recently as an alternative to traditional high temperature SOFCs [1]. This new class of p-SOFCs offer the potential to significantly reduce the cost of production due to the opportunity to lower the operating temperature from upwards of 800 °C d…
Abstract No abstract is available for this article.
In nature, the antenna chlorophylls in photosynthetic bacteria are arranged as non-covalent macrorings in a spatially defined manner to absorb and transfer solar energy efficiently to the reaction centers. To mimic this, porphyrin assemblies with rigid, well defined geometries are of interest. In the field of biomimet…
Significance and Use 5.1 The coefficient of linear thermal expansion, α, between temperatures T1 and T2 for a specimen whose length is L0 at the reference temperature, is given by the following equation: Where L1 and L2 are the specimen lengths at
The color illustrations for Chapters 1, 3, 4, 7 and 8 are included, as follows: Figure 1.8 Figures 3.29, 3.30 Figures 4.5, 4.7, 4.8, 4.12, 4.13, 4.14, 4.16, 4.18 Figures 7.8, 7.18 Figure 8.5
Significance and Use 3.1 The surface finish of a component may be critical for certain applications, affecting properties such as wear resistance, fatigue strength, and coefficient of friction. 3.2 Surface finish may also be critical for component assemb
Binder-free freestanding flexible Si nanoparticles-multi-walled carbon nanotubes (SiNPs-MWNTs) composite paper anodes have been prepared by the simple, inexpensive, and scalable approach of ultra-sonication and pressure filtration. The 3D network of MWNTs forms a continuous conductive pathway within the composite stru…
acrylonitrile-butadiene-styrene (ABS) polymer, 45 acrylonitrile butadiene styrene terpolymer (ABS), 424, 428 adhesion energy, 323 adhesion map, 320 adjacent reentry, 63 affine deformation, 359-360 AFM-infrared, 115 AFM tapping mode image, 46 agarose, 67 aggregates, 268-269, 273-275, 277, 301 algorithm, 283-287, 289 al…
Abstract ATI 436S ferritic stainless is a single phase alloy in the same family as Type 409 and is common to many of those properties. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as f…
Significance and Use 4.1 It is the intention of this practice, in addition to the Form and Style for ASTM Standards, to assist persons revising test methods and specifications in Committee D20 to ensure that all required elements are included and that th
Significance and Use 5.1 This test method is used as an indication of free water and sediment suspended as haze, cloudiness, or droplets in middle distillate fuels such as Grades No. 1 and 2 fuel oil (Specification D396), Grades No. 1-D and 2-D diesel fue
Polymerized ionic liquids (polyILs) are touted as the ideal solid-state electrolyte materials for electrochemical devices due to enhanced mechanical characteristics of polymer nature and unique physico-chemical properties inherent from ionic liquids. PolyILs offer great flexibility in designing the task specific media…