tantalum niobium example

tantalum niobium example

  • Niobium

    Occurrence. Minerals that contain niobium often also contain tantalum. Examples include columbite ( (Fe,Mn) (Nb,Ta) 2 O 6) and columbitetantalite (or coltan, (Fe,Mn) (Ta,Nb) 2 O 6 ). Columbitetantalite minerals are most usually found as accessory minerals in

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  • Welding of tantalum and niobium tandfonline

    Examples of the uses As an additive used in steel for example in SUS 347 and high strength steels. Niobium is expected to be used in superconducting Tablc 1 Physical properties of tantalum, niobium and other metals ~ Tilanium Tantalum Niobium Zirconium SUS 304 klstclloy c Atomic number 22 73 41 41 Atomicueight 47.YO iRn.88 Y2.YI 91.22

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  • Tantalum carbide (TaC) H.C. Starck

    The tantalum carbides, niobium carbides and tantalum niobium carbides produced by H.C. Starck are characterized by a particularly narrow grain size distribution and an extremely low level of impurities. Usually, the (Ta,Nb)C mixed crystals used in practical applications have varying ratios of tantalum to niobium.

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  • Samples Containing Niobium or Tantalum Inorganic Ventures

    Inorganic Ventures Sample Preparation Guide Features Detailed Preparation Tips for Samples Containing Niobium or Tantalum,A highly detailed series of sample preparation notes for more than 70 periodic elements, the perfect reading companion for the trace metals analyst.

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  • POLYMER, TANTALUM AND NIOBIUM OXIDE CAPACITORS

    The Tantalum division of AVX produces a wide range of solid electrolytic capacitors. Typically, the construction consists of a 1st electrode (anode), an insulating layer (dielectric) and a 2nd electrode (cathode) system. The anode is manufactured either from pure tantalum or niobium oxide powder. Tantalum is an element extracted

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  • Niobium (Columbium) and Tantalum Statistics and Information

    Niobium and columbium are synonymous names for the chemical element with atomic number 41; columbium was the name given in 1801, and niobium (Nb) was the name officially designated by the International Union of Pure and Applied Chemistry in 1950. Niobium in the form of ferroniobium is used worldwide, mostly as an alloying element in steels and in superalloys.

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  • Voltage Derating Rules for Solid Tantalum and Niobium

    the most prevalent design guideline for tantalum technology. This paper revisits this statement and explains, given an understanding of the application, why this is not necessarily the case. With the recent introduction of niobium and niobium oxide capacitor technologies, the derating discussion has been extended to these capacitor families also.

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  • What are The Uses of Tantalum SAMaterials

    Tantalum is a sensible choice whenever high corrosion resistance is required. This platinum gray colored metal has a density of 16.6 g/cm3 which is twice as dense as steel. We use our quot;unyieldingquot; material, for example, to produce heat exchangers for the equipment construction sector, charge carriers for furnace construction, implants for

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  • Niobium Element Characteristics, Uses, and Interesting Facts

    Niobium usually occurs in the solid form and is used in many alloys. One common example is steel which uses 0.1% of this element. This meager amount of niobium increases the strength of steel to a considerable extent. This element has the tendency to remain nonreactive when it comes in contact with most of the strong acids.

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  • Tantalum and Niobium Technology Roadmap AVX

    Niobium oxide powder has a similar morphology to that of tantalum and niobium metals can be processed in the same way. This paper compares features of capacitors made from tantalum, niobium metal (nitride doped) and niobiumoxidepowders.The basic material features are summarized in Figure 2

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  • Pictures, stories, and facts about the element Tantalum in

    The company was bought by Cabot Corp. in the late 70's. The disks measure 1.25 in. dia. by .1in. thick. According to the description in the case the 5 metals are Beryllium, Lockalloy, Beryllium Copper, Columbium [an older name for niobium], Tantalum.This is the tantalum sample.

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  • USGS Minerals Information Niobium (Columbium) and Tantalum

    Niobium and columbium are synonymous names for the chemical element with atomic number 41; columbium was the name given in 1801, and niobium (Nb) was the name officially designated by the International Union of Pure and Applied Chemistry in 1950.

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  • How to use tantalum in a sentence WordHippo

    The metal can be, for example, titanium, tantalum, chromium, aluminium or tungsten. The materials all include oxygen, and one, for example, also contains niobium, tantalum, and zirconium. Sodium is also used as a chemical reducing agent in producing titanium, zirconium, niobium, and

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  • Niobium

    Oxides and sulfidesEdit. Most common is the pentoxide, precursor to almost all niobium compounds and alloys. Niobates are generated by dissolving the pentoxide in basic hydroxide solutions or by melting it in alkali metal oxides. Examples are lithium niobate (LiNbO 3) and lanthanum niobate (LaNbO 4 ).

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  • Tantalum

    Tantalum is a chemical element with symbol Ta and atomic number 73. Previously known as tantalium, its name comes from Tantalus, a villain from Greek mythology. Tantalum is a rare, hard, blue gray, lustrous transition metal that is highly corrosion resistant.

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  • Tantalum an overview ScienceDirect Topics

    Tantalum and niobium are widely used in the form of metals and alloys in the process industry, vacuum techniques, chemical machinery, surgical devices, and the automotive industry. Niobium additives are used to stabilize and improve modern stainless steels, and super alloys containing tantalum and niobium are successfully applied in gas turbine engines and in the aerospace industry.

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  • Niobium Element Characteristics, Uses, and Interesting Facts

    Niobium usually occurs in the solid form and is used in many alloys. One common example is steel which uses 0.1% of this element. This meager amount of niobium increases the strength of steel to a considerable extent. This element has the tendency to remain nonreactive when it comes in contact with most of the strong acids.

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  • Use tantalum in a sentence tantalum sentence examples

    Tantalum Sentence Examples Chemically related to vanadium are the two elements tantalum and columbium or niobium. Tantalum has in recent years been turned to economic service, being employed, in the same manner as tungsten, for the production of the filaments employed in

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  • High CV Tantalum Capacitors Challenges and Limitations

    mid 80s, manufactured tantalum powders have exhibited around a ten fold improvement in CV/g values (from approximately 20k to 200k) and this has permitted the level of capacitance available within a standard case size to be increased accordingly. (Fig 1). Fig.1. Downsizing trend example for tantalum 100uF / 6.3V capacitors with typical powder used 2.

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  • Tantalum and niobium Department of Natural Resources

    Tantalum and niobium September 2014 What are tantalum and niobium? Tantalum and the chemically similar niobium generally occur together in minerals such as tantalite, columbite and coltan (a mix of columbite and tantalite), and therefore are described here together. Tantalum is a metallic element with the chemical symbol

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  • Welding of tantalum and niobium tandfonline

    Examples of the uses As an additive used in steel for example in SUS 347 and high strength steels. Niobium is expected to be used in superconducting Tablc 1 Physical properties of tantalum, niobium and other metals ~ Tilanium Tantalum Niobium Zirconium SUS 304 klstclloy c Atomic number 22 73 41 41 Atomicueight 47.YO iRn.88 Y2.YI 91.22

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  • Tantalum and niobium Department of Natural Resources

    Tantalum and niobium September 2014 What are tantalum and niobium? Tantalum and the chemically similar niobium generally occur together in minerals such as tantalite, columbite and coltan (a mix of columbite and tantalite), and therefore are described here together. Tantalum is a metallic element with the chemical symbol

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  • H.C. Starck Tantalum and Niobium Compounds amp; Chlorides

    Our tantalum and niobium oxalate solutions are completely soluble compounds that can be used for mixtures at atomic level. These mixtures are applied for example in the production of catalytic converters and electroceramics. One example of oxalates is our niobium ammonium oxalate.

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  • Tantalum Define Tantalum at Dictionary

    a gray, hard, rare, metallic element occurring in columbite and tantalite and usually associated with niobium used, because of its resistance to corrosion by most acids, for chemical, dental, and surgical instruments and apparatus.

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  • Niobium

    Niobium, formerly known as columbium, is a chemical element with symbol Nb (formerly Cb) and atomic number 41. It is a soft, grey, crystalline, ductile transition metal, often found in the minerals pyrochlore and columbite, hence the former name quot;columbiumquot;.Its name comes from Greek mythology, specifically Niobe, who was the daughter of Tantalus, the namesake of tantalum.

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  • Tantalum an overview ScienceDirect Topics

    Tantalum and niobium are widely used in the form of metals and alloys in the process industry, vacuum techniques, chemical machinery, surgical devices, and the automotive industry. Niobium additives are used to stabilize and improve modern stainless steels, and super alloys containing tantalum and niobium are successfully applied in gas turbine engines and in the aerospace industry.

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  • Niobium and tantalum USGS

    Niobium and tantalum are transition metals that are almost always found together in nature because they have very similar physical and chemical properties. Their properties of hardness, conductivity, and resistance to corrosion largely determine their primary uses today. The leading use of niobium (about 75 percent) is in the production of high strength steel alloys used in pipelines

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  • niobium Example sentences

    As a result, niobium's chemical properties are very similar to those for tantalum, which appears directly below niobium in the periodic table. Some examples of the mineral may also contain thorium,

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  • Samples Containing Niobium or Tantalum Inorganic Ventures

    Inorganic Ventures Sample Preparation Guide Features Detailed Preparation Tips for Samples Containing Niobium or Tantalum,A highly detailed series of sample preparation notes for more than 70 periodic elements, the perfect reading companion for the trace metals analyst.

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  • TANTALUM NIOBIUM INTERNATIONAL STUDY CENTER

    Nigeria with the result that in some areas, for example the south west states, tantalum is favoured over niobium, and often the tantalum occurs in finer grain sizes.

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  • niobium Example sentences

    Niobium is in our corpus but we don't have a definition yet. These example sentences show you how niobium is used. These examples are from the Cambridge English Corpus and from sources on the web. Any opinions in the examples do not represent the

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  • Niobium and tantalum sheets Plansee

    Niobium and tantalum sheets. Sheets made of niobium and tantalum are used for example in the chemical industry for water purification or as diffusion barrier in x ray machines. We supply niobium and tantalum sheets in a length of up to 3.2 meters and in a width of up to 800 millimeters. We are happy to manufacture also tailored niobium and tantalum sheets. Just contact us

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  • Commodity Trading Niobium and Tantalum Point to Point

    Niobium (Nb) is a shiny, ductile metal with a white lustre and is sometimes mined with Tantalum (Ta) in a Niobium Tantalum ore known as Colton. The separation of Niobium from Tantalum does require a number of complicated steps however.

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  • Tantalum Niobium In Pharmaceutical Industry

    A good example is the use of niobium heating components in fluoride catalyzed chrome plating operations. Neither metals, however, can be used in air at temperatures above 200176;C for niobium or 300176;C for tantalum.

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  • Niobium Element Characteristics, Uses, and Interesting Facts

    Niobium usually occurs in the solid form and is used in many alloys. One common example is steel which uses 0.1% of this element. This meager amount of niobium increases the strength of steel to a considerable extent. This element has the tendency to remain nonreactive when it comes in contact with most of the strong acids.

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  • US5573572A Process for the production of tantalum

    Tantalum is generally obtained by wet chemical methods, for example from tantalum concentrates and/or from tin slag arising from smelting tin stone (cassiterite, SnO 2). The concentrate may be economically processed by wet chemical methods only if a ratio of tantalum to niobium of 15 is not exceeded and the Ta 2 O 5 content is greater than 10 wt. %.

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  • Adduct Formation of Tantalum(V) and Niobium(V) Fluoride

    Adduct Formation of Tantalum(V) and Niobium(V) Fluoride with Neutral Group 15 Donor Ligands, an Example for Ligand Induced Self Ionization Adduct Formation of Tantalum(V) and Niobium

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  • Tantalum Niobium International Study Center TIC

    Collect from the members (via an independent company to ensure confidentiality), statistics on raw material production, processors' receipts and product shipments, and capacitor producers' receipts for tantalum, while for niobium raw material production and processors' product shipments are collected.

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