Materials Literature
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Zn-doped talc synthesized under hydrothermal conditions show a strong relation between talc morphology, pH-values and crystallization temperature. These synthetic, well-characterized Zn-doped talc crystals may have potential for possible technological uses in novel applications.
This specification deals with one-wear, two-wear, and multiple-wear wrought carbon steel wheels for locomotives and cars. The classes of steel wheels according to passenger car service covered here are: Class L, which are for high speed services with more severe braking conditions than other classes and light wheel lo…
The Waste Acceptance Product Specifications (WAPS) 1.2 require that “The Producer shall report the inventory of radionuclides (in Curies) that have half-lives longer than 10 years and that are, or will be, present in concentrations greater than 0.05 percent of the total inventory for each waste type indexed to the yea…
In this study, phase transformations at the interfaces between two nearly mutually insoluble elementary substances, In-48Sn solder and Cu, were investigated during serial solid-state aging process. The reversible phase transformation between Cu2(In, Sn) and Cu(In, Sn)2compounds were observed, which are extremely rare…
This specification covers a group of common requirements that shall apply to carbon, alloy, and stainless steel fasteners or fastener materials, or both. These materials are intended for use at any temperature from cryogenic to the creep range. Requirements for the melting process and quality control procedures for in…
Thermal design and thermal management are the key issues for electronic products during the trend of miniaturization. Heat sink is one of the promising and popular choices to relieve the thermal problem. In this paper, the effect of heat sink on electromigration (EM) lifetime of Ni thin films is investigated. It is pr…
The testing technique of low-frequency noise in electrolytic capacitors was presented. Using this method the time series and power spectra of low-frequency noise under room temperature and the dependences of power spectra on both terminal voltages and temperatures were measured. The results showed that the low-frequen…
This specification covers steel castings, martensitic stainless steel and alloys steel castings for valves, flanges, fittings, and other pressure-containing parts intended primarily for high-temperature and corrosive service. The grades of steels covered here are: Grade WC1, Grade WC4, Grade WC5, Grade WC6, Grade WC9,…
German family-run masterbatch producer Grafe Advanced Polymers GmbH is addressing the problem of the irritating noises that are frequently generated when plastic parts rub together. The company has developed a new additive that is able to ‘eliminate the annoying noises’ made by plastic components in household, health…
Glass fibers-reinforced BT resins composites (GFRBT) filled with the hexagonal boron nitride (h-BN) ranging from 20 to 80 wt% were prepared. The effect of BN content on the thermal conductivity and thermal stability of GFRBT was invesitigated. When weight fractions were no more than 60 wt%, the formation of BN network…
Αντικείμενο της Διατριβής αποτελεί η διερεύνηση ιδιοτήτων υλικών που παρουσιάζουν ευαισθησία στην υδροστατική πίεση με τη βοήθεια πειραμάτων διείσδυσης. Η εργασία αποτελείται από δύο μέρη, (α) το θεωρητικό μέρος που περιλαμβάνει την ανάλυση των κυρίαρχων κριτηρίων διαρροής, την περιγραφή των διαφόρων μεθόδων διείσδυση…
Significance and Use 3.1 Asphalt coating is used to provide additional protection for corrugated steel products (product) in corrosive or abrasive environments, or both.Scope 1.1 This practice covers the post coating of corrugated steel pipe and corrugate
This specification covers iron-nickel-chromium and nickel alloy castings specially processed with restricted melt practices, weldability testing, and nondestructive examination (NDE) requirements for use in pressure retaining parts with corrosive service environments. The choice of manufacturing procedure to be used f…
The following topics are dealt with: thermal management; heat spreading; LED packaging; multi-chip-module; stacked die; solders; thermal interface materials; hydrophilicity; hydrophobicity; evaporation; heat pipes; phononics; cooling; heat exchangers; nanoscale heat transport; heat sinks; phase change material; reliab…
Crack that formed during hot‐pressing of a transparent polycrystalline magnesium aluminate (MgAl 2 O 4 ) spinel compact. Color change is from birefringence caused by uniaxial strain due to lattice shrinkage caused by MgO vaporization. Dark spots at upper left are spherical clusters of abnormal grains originating from…
In this paper, both isothermal and dynamic differential scanning calorimetry (DSC) are employed to characterize the thermal properties of two commercial epoxy molding compounds designated as EMC-A and EMC-B respectively. In dynamic curing, the heat flow of uncured powder samples weighting 10±0.5 mg are measured at the…
Significance and Use 4.1 Property data obtained with the recommended test methods identified herein may be used for research and development, design, manufacturing control, specifications, performance evaluation, and regulatory statutes pertaining to high
Chemistry Code robin M
The effective thermal conductivity (ETC) of silicone matrix embedded with particulate phosphors is of great importance in the thermal management of white light-emitting diode (LED) packages, not only because the mixture provides the heat dissipation path but also because the phosphors may generate heat as well. In thi…
Significance and Use 5.1 This guide is intended to provide machinery maintenance and monitoring personnel with a guideline for performing filter debris analysis as a means to determine machine condition. Correlating the filter contaminants to ‘normal’ and