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Products/Services for diffusion coefficient
...and lead telluride (PbTe). Many lead, tin and low melting alloys have a diffusion coefficient comparable to arsenic and an order of magnitude that is lower than the diffusion coefficient of phosphorous. Selecting lead, tin and low melting alloys... Search by Specification | Learn More
Cold and hot isostatic pressing services apply high pressures and/or temperature to form near net shapes, densify parts, diffusion bond materials, remove internal porosity and improve the integrity of engineering components. Search by Specification | Learn More
...types of thermistors: positive temperature coefficient (PTC) and negative temperature coefficient (NTC). With PTC thermistors, electrical resistance increases as temperature rises. With NTC thermistors, resistance drops in a nonlinear manner with a rise... Search by Specification | Learn More
...baffles are made of materials with a high-absorption coefficient. Most industrial baffles are movable and relatively lightweight. Industrial silencers and noise mufflers vary in terms of port type, inlet placement, and outlet placement. In terms... Learn More
Property testers are used to determine various physical properties of samples, including cloud point, distillation, flash point, freezing point, melting point, pour point, and vapor pressure. Search by Specification | Learn More
...is multi-point and more precise, providing tighter control of the temperature coefficient and an accuracy of .3° C at 0° C. Although the American Society for Testing Materials (ASTM) also uses Class A and Class B designations, these categories... Search by Specification | Learn More
Diffusion pumps and vapor pumps use jets of diffusion oil vapor to impart momentum and sweep gas molecules from the system. Cryogenic pumps and cryosorption pumps use extremely cold temperatures to trap molecules. Getter or titanium sublimation pumps... Search by Specification | Learn More
...compacting of high-speed tool steel, diffusion bonding of similar and dissimilar materials, and eliminating voids in aerospace castings. They can also be used to remove defects from castings and heat-treat creep damaged products. As with CIPs, hot isostatic... Search by Specification | Learn More
...performance ceramics, ferrites and cemented carbides, net-shape forming of nickel-base superalloy and titanium powders, compacting of high-speed tool steel, diffusion bonding of similar and dissimilar materials, and eliminating voids in aerospace castings... Search by Specification | Learn More
Material testing services test, analyze, and certify a wide range of materials for purity, chemical compatibility, and environmental impact. Search by Specification | Learn More
Scalar network analyzers measure the amplitude portion of scattering or S-parameters, reflection and transmission coefficients between the incident and reflection waves that describe a device’s behavior under linear conditions at the microwave Search by Specification | Learn More
...and mortar include service temperature, thermal conductivity, and the coefficient of thermal expansion (CTE), the amount of linear expansion or shrinkage that occurs in a material with a change in temperature. There are a variety of features... Search by Specification | Learn More
Temperature instruments use contact or noncontact methods to measure temperature. Products include dial, digital, industrial and laboratory thermometers; temperature probes, indicators, and sensors; RTD elements and transmitters; and thermistors, thermocouples, thermopiles, and thermal switches. Search by Specification | Learn More
Vacuum pumps and vacuum generators provide sub-atmospheric pressure for a variety of industrial and scientific applications where a vacuum is required. Search by Specification | Learn More
...opposed ram, screw, impact, hot pressing, coining or sizing. Uniaxial hot presses are used to consolidate ceramic carbide and other refractory powders, as well as diffusion bond materials. Larger powdered metal parts are typically compacted... Search by Specification | Learn More
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Bellman-Melcor's Soft Solder Alloys and Fluxes Bellman-Melcor LLC
Low Melting Point Casting Alloys Purity Casting Alloys Ltd.
Custom Lead, Tin and Low Melting Alloys Indium Corporation
Tubular Bus Conductors Freeport-McMoRan Copper & Gold, Inc. (FCX)
Cold Finished Steel Bars Corey Steel Company
High Density Weights Aerojet Specialty Metals
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Product News for diffusion coefficient
Simplify Vacuum Diffusion Pump Heating
Vacuum diffusion pumps require an effective heating system to drive the pump. Conventional designs often employ a complicated series of components that must be carefully matched up, adding unnecessary time, labor, and cost to the replacement process. (read more)
Diff-Therm Vacuum Diffusion Pump Heaters
Diff-Therm Platen Heaters are high-quality tubular heating elements swaged under 50 tons of pressure into grey iron castings. For 25 years, Diff-Therm heaters have set the standard for long-life, evenly distributed process heating and efficient power generation. (read more)
Zinc Diffusion Galvanizing
DiSTeK ™ thermo-diffusion coating - new precision zinc galvanizing process for HD corrosion & wear resistance on steel & iron parts (read more)
DCF Integrated, In-line Diffusion
The new, Integrated, In-line Diffusion System is Despatch's latest addition to the company's photovoltaic product portfolio. The new in-line diffusion systems are designed to consistently deliver highly homogeneous emitters that are critical for creating high efficiency solar cells. (read more)
CPI Zirconium
One of the major applications for Zircadyne® metal is as a structural material in the chemical processing industry. Zircadyne® metal exhibits excellent resistance to corrosive attack in most organic and inorganic acids, salt solutions, strong alkalis, and some molten salts. (read more)
Target Bonding by various high purity metals
Sputtering targets can be simply clamped to the sputter source cathode inside the sputter depositing system. (read more)
Hi-T-Lube
Recognized by the Guinness Book of Records as the solid with the lowest COF in the world, this space-age, dry-film lubricant solves critical problems of wear, galling and fretting on steel, stainless steel and copper alloys at high and low temperature extremes, even under heavy loads. (read more)
Nedox Protective Coating for Most Metals
Protect Most Metals - Including Aluminum - Against Wear, Friction, Corrosion, Sticking and Galling (read more)
NTC Disc & Chip Style Thermistors
RTI manufactures DISC & CHIP style thermistors in resistance values ranging from 1.0 ohm to 500,000 ohms. These devices are suitable for a range of resistance values and temperature coefficients from relatively low resistance and temperature coefficients to very high values. (read more)
Custom Tubular Heaters
Diff-Therm Platen Heaters are high-quality tubular heating elements swaged under 50 tons of pressure into grey iron castings. For 25 years, Diff-Therm heaters have set the standard for long-life, evenly distributed process heating and efficient power generation. (read more)
Conduct Research
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The Influence of Vacuum Degree on Gas Permeability Test of Differential-pressure Method
Abstract: Shortening the period of vacuum pumping will directly lower the vacuum degree of testing chambers and in turn lower the accuracy of test result. Gas permeability of materials is mainly...(read more)
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Moisture Ingress and Absorption in a CCD Package
Moisture ingress in electronic packages can lead to catastrophic failures due to electromigration and corrosion. For space application, epoxy sealed CCDs are used, and the risk due to moisture ingress...(read more)
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FE software targets complex multiphysics
Finite-element-software Comsol Multiphysics 3.3 allows simulating a wide variety of physical phenomena. An analysis of heat transfer in a V-Twin motorcycle engine block shows the surface temperature...(read more)
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Helping chips keep their cool
Two-phase flow cooling comes to high-power electronics. Ron Hoover and Fred Phillips Thermacore International Inc. A Div. of Modine Packing more transistors into ICs and running them faster boosts...(read more)
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Particle Characterization Technologies
The Dynamic Light Scattering technique measures the time-dependent fluctuations in the intensity of scattered light which occurs because the particles are undergoing random, Brownian motion. Analysis...(read more)
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Diffusion Coefficient - The relationship between the formation... researchers to characterize the diffusion of ionic species through the use of Fick's law and a diffusion coefficient tensor [13. This approach, |
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2001 Building Publications - Effect of Speciation on the... Effect of Speciation on the Apparent Diffusion Coefficient in Nonreactive Porous Systems. |
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Oxygen Diffusion/Air Calculating the Oxygen Diffusion Coefficient in Air |
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Oxygen Diffusion/Water Calculating the Oxygen Diffusion Coefficient in Water |
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ASTM C1556 -04 Standard Test Method for Determining the... ASTM C1556 - 04 Standard Test Method for Determining the Apparent Chloride Diffusion Coefficient of Cementitious Mixtures by Bulk Diffusion See ASTM International Information |
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Correlations Between Depth of Water Penetration, Chloride... Depth of Water Penetration, Chloride Permeability, and Coefficient of Chloride Diffusion in Plain, Silica Fume, and Fly Ash Cement Concretes Ahmad, See ASTM International Information |
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DIFFUSION COEFFICIENT - Storming Media Reports by Keyword(s) DIFFUSION COEFFICIENT See Storming Media LLC Information |
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EPA On-line Tools for Site Assessment Calculation | Ecosystems... Dair = 0.001 T1.75 Mr 1/2 / (P (VA 1/3 + VB 1/3 )2) D is the diffusion coefficient in cm2/sec T is the temperature in K Mr is the following function |
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EPA On-line Tools for Site Assessment Calculation | Ecosystems... The overall effective diffusion coefficient for systems composed of m layers (e.g., capillary fringe and the unsaturated zone) is: where Li is the |
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NASA/MSL-1 WHY - Materials Science Diffusion: The Large Isothermal Furnace |
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