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Vacuum grade aluminum-molybdenum-silicon alloy

A silicon alloy and vacuum technology, applied in the field of alloys, can solve the problems of serious segregation of non-vacuum grade aluminum molybdenum silicon alloy components, low molybdenum content, alloy slag inclusion, etc., and achieve the effects of uniform alloy composition, dense alloy and uniform composition.

Inactive Publication Date: 2007-09-19
上海康臣特种金属材料有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to provide a vacuum-grade aluminum-molybdenum-silicon alloy and its preparation method to solve the technical problems of non-vacuum-grade aluminum-molybdenum-silicon alloy composition segregation, alloy slag inclusion, non-compactness, and high gas impurity content. Technical issues with low content

Method used

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  • Vacuum grade aluminum-molybdenum-silicon alloy
  • Vacuum grade aluminum-molybdenum-silicon alloy

Examples

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Embodiment 1

[0021] The weight composition of ingredients is based on 1kg of Al, MoO 3 0.75kg, Si 0.052kg, CaF 2 0.42kg, KClO 3 0.18kg;

[0022] Finished product composition weight percent: Mo is 40.0%, Si is 4.31%, C is 0.05%, Fe is 0.05%, H is 0.0012%, N is 0.004%, O is 0.011%, Al is balance.

Embodiment 2

[0024] The weight composition of ingredients is based on 1kg of Al, MoO 3 0.81kg, Si 0.050kg, CaF 2 0.46kg, KClO 3 .0.19kg;

[0025] Finished product composition weight percent: Mo is 42.0%, Si is 4.23%, C is 0.05%, Fe is 0.05%, H is 0.0012%, N is 0.004%, O is 0.011%, Al is balance.

[0026] Fig. 2 is the metallographic diagram enlarged by 180 times in this embodiment. It can be seen from the diagram that the alloy of the present invention has no segregation, slag inclusion and compact structure.

Embodiment 3

[0028] The weight composition of ingredients is based on 1kg of Al, MoO 3 0.99kg, Si 0.057kg, CaF 2 0.36kg;

[0029] Finished product composition weight percent: Mo is 50.8%, Si is 4.32%, C is 0.06%, Fe is 0.05%, H is 0.0014%, N is 0.005%, O is 0.013%, Al is balance.

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Abstract

The invention relates to an interalloy for smelting. A vacuum aluminium-molybdenum-silicon alloy, is charactrized in that the alloy has close structure without slag inclusion and segregation, comprising, based on weight percentage, Mo of 40-63%, si of 4.0-5.0%, O of not more than 0.015%, H of not more than 0.002%, N of not more than 0.006%, C of not more than 0.06%, Fe of not more than 0.10%, and the residual is Al. The invention solves the technical problem that the non-vacuum aluminium -silicon alloy has segregation, slag inclusion, high content gas impurity without close structure, secondly solves the technical problem of low content of molybdenum in the alloy.

Description

Technical field: [0001] The present invention relates to alloys, in particular to vacuum-grade aluminum-molybdenum-silicon alloys used as master alloys for smelting. Background technique: [0002] Alloy materials change rapidly with the development of smelting technology and market demand. In the smelting process of alloy materials, intermediate alloys are often used to make the smelting process stable and easy to control the operation. On June 22, 2005, the publication number was CN1629331A, and the invention patent application titled "Aluminum Molybdenum Silicon Master Alloy and Its Preparation Method" disclosed a composition by weight percentage: Mo38-48%, Si3.5 ~4.5%, Al is the balance of aluminum molybdenum silicon master alloy, using the magnesium scrap furnace ignition smelting method, the weight composition of the ingredients is based on Al being 1kg, industrial Si is 0.034~0.044kg, MoO 3 0.781~0.935kg, CaF 2 0.36~0.42kg, KClO 3 It is a preparation method in whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C27/00C22C30/00C22C1/02B22D21/00
Inventor 陆树兴孙友祥
Owner 上海康臣特种金属材料有限公司
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