High Temperature Tantalum

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High-temperature oxidation of tantalum of different purity ...

The kinetics, structural aspects, and phase morphologies were studied for tantalum oxidation in air from 600 to 1000°C for samples of different purity (99.15%, 99.76%, and 99.95% Ta). Regardless of purity, tantalum oxidation in the temperature range of 600–800°C as a rule is governed by a linear rate law.

Tantalum | Engineering Center

Tantalum Stack MnO2 (TSM) Series High Temperature (>125°C) T498 Automotive Grade MnO2 150°C T499 Automotive Grade MnO2 175°C T500 MnO2 200°C T502 MnO2 230°C High Reliability (HRA) T428 High Volumetric Efficiency Facedown HRA MnO2 T493 HRA MnO2 (CWR11 Style) T495 Surge Robust HRA Low ESR MnO2 DLA 95158 T496 Fused HRA MnO2 & DLA (DSCC ...

Refractory metals - Wikipedia

Physical properties of refractory metals, such as molybdenum, tantalum and tungsten, their strength, and high-temperature stability make them suitable material for hot metalworking applications and for vacuum furnace technology. Many special applications exploit these properties: for example, tungsten lamp filaments operate at temperatures up ...

Tantalum High Temperature Capacitors | Products ...

Description: size MnO2, highest temperature capabilities up to 230°C and lowest DCL product offering. AVX has the industry leading position in high reliability tantalum capacitors and is the largest supplier of high reliability solid tantalum capacitors for . Configuration / Form Factor: Leaded Capacitor, Surface Mount / Chip Capacitor

Tantalum - Periodic table

Tantalum is almost completely immune to chemical attack at temperatures below 150°C, and is attacked only by hydrofluoric acid, acidic solutions containing the fluoride ion, and free sulfur trioxide. Alkalis attack it only slowly. At high temperatures, tantalum becomes much more reactive.

High Temperature Alloys for Furnace Applications

May 12, 2017· H.C. Starck Solutions' fabricated product solutions cater to a myriad of industries, markets, and applications, including brazing, annealing, sintering, vacuum heat treating, and all high temperature furnace applications.. High temperature materials exhibiting superior physical and mechanical properties are required in applications such as annealing of aerospace and medical …

A Look at High (200 °C) Temperature Capacitor Technology ...

High Temperature Tantalum Capacitors. Tantalum capacitors do not exhibit capacitance drop-off at high temperatures and their value is stable over a wide temperature range. Based on the fact that this technology offers excellent volumetric efficiency, higher capacitance values can be achieved in much smaller packages.

High temperature resistance of novel tantalum-based ...

Jun 05, 2019· Grain growth of refractory nanomaterials deteriorates their mechanical properties and the process is irreversible, which limits their high-temperature applications. Tantalum has an extremely high corrosion resistance in the most aggressive media, both concentrated and hot acidic .

Low emissivity high-temperature tantalum thin film ...

Low emissivity high-temperature tantalum thin film coatings for silicon devices Veronika Rinner,a) Jay J. Senkevich, John D. Joannopoulos, Marin Soljacˇic´, and Ivan Celanovic Institute of Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge,

Tantalum Oxidation in Steam Atmosphere | Request PDF

High temperature metallographic microscope studies of the initial oxidation of tantalum in the temperature range 300°–1300°C at oxygen pressures of 0.1, 0.01 and 0.001 torr have been carried out.

T499 High Temperature Tantalum SMT Capacitor - KEMET ...

KEMET T499 High Temperature Tantalum SMT Capacitor has solid-state structures capable of 125°C applications with a maximum temperature rating of +175°C. KEMET´s T499 SMT Capacitor features include capacitance values of 0.15µF to 220µF, AEC-Q200 compliance, voltage rating of 6V to 50V, 5 ...

High Temperature Ceramic and Tantalum Capacitors

tain a mechanical integrity at temperatures of 150°C and higher. The epoxy encapsulant used for the SMT tanta-lums present additional challenges. High Temperature Ceramics Ceramic capacitors are sintered at temperatures exceed-ing 900°C. Terminations applied to the outer face of the ceramic block are fired at temperatures near 900°C.

Capacitors - Tantalum - High Temperature - Vishay

75 · Vishay - manufacturer of discrete semiconductors and passive components. Capacitors, Fixed: …

Statistical analysis of high-temperature creep-rate data ...

I STATISTICAL ANALYSIS OF HIGH-TEMPERATURE CREEP- RATE DATA FOR ALLOYS OF TANTALUM, MOLYBDENUM, AND COLUMBIUM by William L. Maag and William F. Mattson Lewis Research Center SUMMARY This report presents empirical equations for the high-temperature …

High Temperature Exotic Thermocouple Probes, Tantalum ...

Very High Temperature Exotic Thermocouple Probes, Tantalum, Molybdenum, Platinum/Rhodium, Inconel 600 Sheaths, Tungsten/Rhenium and Platinum/Rhodium Thermocouple Elements, Berylia, Magnesia, Alumina Insulations

High Temperature Epoxies Increase the Service Range of ...

High Temperature Epoxies Increase the Service Range of Tantalum Capacitors The demand for capacitors that can reliably perform in high temperature applications has sharply increased in the microelectronic industry, particularly for aerospace, defense, transportation and oil, gas and chemical processing applications.

Tantalum (Ta) - Chemical properties, Health and ...

It is almost immune to chemical attack at temperatures below 150 C. Tantalum is virtually resistant to corrosion due to an oxide film on its surface. Applications. Tantalum finds use in four areas: high-temperature applications, such as aircraft engines; electrical devices, such as capacitors; sirurgical impants and handling corrosive chemicals.

High Temp Tantalum Capacitors - AVX

AVX Tantalum is the world leader in offering high-temp tantalum solutions to the Military, aerospace, and down hole industry going as high as 230°C.

Tantalum | Plansee

In high-temperature furnaces, tantalum may react with construction parts made of refractory oxides or graphite. Even very stable oxides such as aluminum, magnesium or zirconium oxide may be reduced at high temperatures when in contact with tantalum. Contact with graphite may cause the formation of tantalum carbide and lead to the embrittlement ...

200°C High Temperature | AVX

High temperature wet tantalum products are primarily designed for use in down-hole drilling equipment and avionic engine control due to their capabilities for high ripple current. Wet tantalum capacitors packed in a hermetically sealed case are available in high temperature designs suitable for use up to 200°C (TWC-Y, TWA-Y).

Ultra-high-temperature ceramics - Wikipedia

Ultra-high-temperature ceramics (UHTCs) are a class of refractory ceramics that offer excellent stability at temperatures exceeding 2000 °C being investigated as possible thermal protection system (TPS) materials, coatings for materials subjected to high temperatures, and bulk materials for heating elements. Broadly speaking, UHTCs are borides, carbides, nitrides, and oxides of early ...

Tantalum Supplier | Sheet, Plate, Wire, Tubes, & Rods

Furnaces using tantalum components are normally used for very specific applications, for instance furnaces used to vacuum-treat tantalum powders, because of tantalum's high cost. In these applications, tantalum components serve to prevent powder contamination. Other high-temperature uses include filaments and heating elements for specialized ...

High-Temperature, Max-Capacitance Capacitor Series | Power ...

AVX Corp.'s TWA-X Series wet electrolytic tantalum capacitors feature a high-capacitance cathode system that achieves high CV performance in standard case sizes. Designed for use at 230°C, the capacitors have a hermetically sealed, welded tantalum can and header assembly that provides robust resistance against mechanical shock and high-frequency vibration.

High-temperature, harsh-environment tantalum capacitor ...

At high temperatures, the voltage ratings specified at ambient temperatures must be derated to avoid diminished reliability. The category voltage — the maximum voltage at which the part can operate up to 230°C — for solid, hermetically sealed, high-temperature capacitors is high for solid tantalum technology: 50% of its rated voltage.

High-temperature mechanical properties of tantalum - PDF ...

High-Temperature Mechanical Properties of Tantalum. F. C. Holden, F. R. Schwartzberg and R. I. Jaffee. Paper from Symposium on Newer Metals, Special Technical Publication No. 272, ASTM, 195% pp. 36-55. Recrystallization, tensile, and creep-rupture behavior of high-purity Ta and two interstitial-containing Ta alloys were determined.

Tantalum Suppliers - Properties, Applications | Eagle ...

90% Tantalum; 10% Tungsten; This alloy may be considered in high temperature applications up to 4500 degrees F. and high strength in a corrosive environment are required. This alloy has roughly twice the tensile strength of pure Tantalum, yet retains Tantalum's corrosion resistance and most of pure Tantalum's ductility. Tantalum Applications

High Temperature Tantalum Capacitors

CA501S 155℃ High Temperature Tantalum Wet Electrolytic Capacitor. High temperature 155℃, long life. Electronic equipment used at high-temp condition, such as oil down hole drilling, aerospace, satellite and ect. Download. CA501. CA501 175℃ High Temperature Wet Electrolytic Capacitor.

High Temperature Tantalum Capacitor - KEMET

Lowest leakage current of any 200°C rated tantalum SMD in the industry, Weibull failure rate option B, surge current testing T502 230°C Rated MnO 2 B,D 16 — 35 6.8 — 10: 0.1% / 1,000 hou rs 1/3 at 230°C Complies with AEC-Q200 surge current testing

High-Temperature Archives - Leading Edge Metals and Alloys ...

High-Temperature, Corrosion-Resistant, and Refractory Metals. Uncompromising strength even at high temperatures—Leading Edge can provide the materials you need for the toughest environments. Our alloys are used in a wide variety of applications including aircraft engines, chemical processing, machining, and heat treatment.

OSA | High-temperature stability and selective thermal ...

We present the results of extensive characterization of selective emitters at high temperatures, including thermal emission measurements and thermal stability testing at 1000°C for 1h and 900°C for up to 144h. The selective emitters were fabricated as 2D photonic crystals (PhCs) on polycrystalline tantalum (Ta), targeting large-area applications in solid-state heat-to-electricity conversion.