tantalum powder preparing
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tantalum powder preparing

Tantalum Powder Preparation Methods Refractory

2020-11-17  The methods for preparing tantalum powder include metal thermal reduction method of tantalum pentoxide, carbon reduction method, molten salt electrolysis

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methods for preparing tantalum powder Archives ...

Tantalum Powder Preparation Methods Tantalum powder is powdered metal tantalum, dark gray, or silver-gray, which is an important raw material for the preparation of capacitors and tantalum materials. In this article, let’s take a deeper look at the tantalum powder preparation methods.

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US20100226070A1 - Tantalum powder, method for

The present invention relates to the process for preparing the tantalum powder, wherein the tantalum powder is prepared through reducing tantalum compound with a reducing agent, wherein the...

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FLAKED TANTALUM POWDER AND PREPARATION

A method for preparing flaked tantalum powder comprising: 1) subjecting flaked tantalum powder to a first heat treatment; 2) subjecting the first heat treated tantalum powder to a first deoxidation; 3) subjecting the first deoxidized tantalum powder to low temperature nitridation; 4) subjecting the low-temperature nitrided tantalum powder to a second heat treatment; and optionally 5) subjecting the second heat-treated tantalum powder

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US Patent Application for TANTALUM POWDER AND

2017-12-27  A tantalum powder, a tantalum powder compact, a tantalum powder sintered body, a tantalum anode, an electrolytic capacitor and a preparation method for tantalum powder. The tantalum powder contains boron element, and the tantalum powder has a specific surface area of greater than or equal to 4 m2/g; the ratio of the boron content of the tantalum powder to the specific surface area of the tantalum powder

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NL194167C - Process for the preparation of tantalum

Process for the preparation of tantalum powder for capacitors. Method for preparing tantalum resp. niobium powder for capacitors.

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金属钽粉的生产及提纯工艺进展

2019-5-25  Subsequently,purification techniques for preparing tantalum powder were introduced. The progresses of acid leaching,deionized water washing and oxygen removing were described in details. Finally,metallic elements of Fe,Cu,Ni,Cd and nonmetallic elements of C,O,Si were discussed in deep to evaluate the current purification techniques.

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METHOD OF MAKING TANTALUM METAL POWDER

A process for producing the sized tantalum powder of claim 1 comprising the steps of: (a) preparing a tantalum powder by chemical reduction of a tantalum compound with a reducing agent, said tantalum powder comprising agglomerates or clusters of smaller primary tantalum particles; (b) comminuting the tantalum powder obtained in step (a) by ...

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PROCESS FOR THE PREPARATION OF TANTALUM

Authors: Daendliker, G Publication Date: Fri Jan 01 00:00:00 EST 1971 Research Org.: Originating Research Org. not identified OSTI Identifier: 4655437

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Process for preparing tantalum powder for capacitors ...

US-8673052-B2 chemical patent summary.

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US Patent Application for TANTALUM POWDER AND

2017-12-27  A tantalum powder, a tantalum powder compact, a tantalum powder sintered body, a tantalum anode, an electrolytic capacitor and a preparation method for tantalum powder. The tantalum powder contains boron element, and the tantalum powder has a specific surface area of greater than or equal to 4 m2/g; the ratio of the boron content of the tantalum powder to the specific surface area of

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Tantalum powder and process for preparing the same,

U.S. Patent Number 10513769 for Tantalum powder and process for preparing the same, and sintered anode prepared from the tantalum powder

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Basic methods for preparing tantalum materials

2021-1-8  Basic methods for preparing tantalum materials Firmetal, 2018-09-28 09:20:00 PM. The main process of tantalum smelting is to decompose concentrate, purify and separate tantalum and niobium to make the pure compounds of tantalum and niobium, and finally make the metal. Hydrofluoric acid decomposition, sodium hydroxide melting and chlorination can be used to decompose the ore.

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China Tantalum Powder, China Tantalum Powder

China Tantalum Powder, China Tantalum Powder Suppliers and Manufacturers Directory - Source a Large Selection of Tantalum Powder Products at ginger powder,nitrile gloves powder free,spore powder from China Alibaba

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Method for preparing tantalum-tungsten alloy blank ...

2021-1-8  Method for preparing tantalum-tungsten alloy blank Firmetal, 2019-01-28 09:21:00 PM (1)The powders were mixed with tantalum powder with an average particle size of 3 m ~ 5 m and tungsten powder with an average particle size of 3 m as raw materials and

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Types, Properties Applications of Tantalum Powder

2021-5-25  What are the types, properties applications of tantalum powder? In this article, we'll try to answer this question. [email protected] (949) 407-8904 ...

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Additive manufacturing of tantalum – A study of

2020-1-1  The angular tantalum powder had a BET of about 0.1 m 2 /g. Fig. 1 shows SEM images of this feed angular tantalum powder (panel A) and powder after plasma spheroidization. Angular powder was fully dense and bulk density of the powder was >99.9% of theoretical density of tantalum (density of tantalum = 16.6 g/cm 3).Powder after spheroidization was spherical with an aspect ratio close to 1.0

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Tantalum powder and process for preparing the same,

U.S. Patent Number 10513769 for Tantalum powder and process for preparing the same, and sintered anode prepared from the tantalum powder

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Tantalum Powder And Preparation Method Therefor

U.S. Patent Application 20210060654 for Tantalum Powder And Preparation Method Therefor

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Preparation of High-Voltage and High-Capacitance

The technology of preparing high-voltage and high-eapacitance tantalum powder with carbon reducing has been investigated. Its technical conditions and product quality are listed in this paper. The advantages of this method is that the tantalum powder produced has good stability of properties, high metal recovery, simplicity of processing and low production cost.

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Tantalum powder – Magic Metal Tantalum

2019-10-18  The chemical composition of the tantalum powder raw material for preparing the tantalum should meet the specified requirements, and the particle size distribution should satisfy the requirement that 100% is less than 0.074 m, and the content of less than 0.038 m (400) is not less than 60%. The bar blank after press forming requires no defects ...

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tantalum metal powder, tantalum metal powder

1,187 tantalum metal powder products are offered for sale by suppliers on Alibaba A wide variety of tantalum metal powder options are available to you, There are 388 suppliers who sells tantalum metal powder on Alibaba, mainly located in Asia.

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tantalum powder,physical

2009-9-7  2) Tantalum 3) tantalum 4) powder;pulvis;dust 5) tantalum 6) powder;pulvis 7) powder 8) tantalum Ta 9) alum;vitriol: Notice: Some description was translated by software and the data is only as a reference. Patent: 1) Method for preparing m-phthaloyl chloride in high purity

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US Patent for Tantalum powder Patent (Patent #

Agglomerates of the flaked tantalum powder, provide improved flowability, green strength and presssing characteristics compared to conventional flaked tantalum powders. The improved flaked tantalum powder can be made by preparing a flaked tantalum and then reducing the flake size until a Scott density greater than about 18 g/in.sup.3 is achieved.

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Additive manufacturing of tantalum – A study of

2020-1-1  The angular tantalum powder had a BET of about 0.1 m 2 /g. Fig. 1 shows SEM images of this feed angular tantalum powder (panel A) and powder after plasma spheroidization. Angular powder was fully dense and bulk density of the powder was >99.9% of theoretical density of tantalum (density of tantalum = 16.6 g/cm 3).Powder after spheroidization was spherical with an aspect ratio close to 1.0

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瞌酣睡 - cnmnc

2020-2-28  Influence of Mixing Time on the Properties of Tantalum Powder Zhao Chunxia, Wang Xiaoming, et al(26) Processing Technology Research ofNb-Zr Alloy Rod for Lighting Source .ZhangYQjun, PATENT INTRODUCTION A method for preparing a mixture of niobium

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