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Production method for titanium-lead alloy

A production method and alloy technology, which is applied in the field of high-quality titanium-lead alloy, can solve the problems of difficult control of product composition, high processing cost, and high use cost, and achieve the effect of controllable product composition, low processing cost and guaranteed homogeneity

Inactive Publication Date: 2010-10-20
莱芜市金石粉末冶金有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using lead plate or titanium plate alone, the cost is high and the service life is short
Due to the density of titanium and lead (titanium is 4.508g / cm 3 , lead is 11.34 / cm 3 ), melting point (titanium is 1668 degrees, lead is 327.5 degrees) and many other physical and chemical indicators are quite different, and it is very difficult to prepare titanium-lead alloys
The existing titanium-lead alloys produced by vacuum consumable furnace, vacuum non-consumable furnace, vacuum induction furnace cold crucible and other equipment and technology not only have high processing costs, difficult control of product components, unstable physical and chemical indicators, but also the application volume and applicability. limited range
There are also some literatures that propose the production method of titanium-lead alloy, but it is basically the method of producing alloy with low lead content or the method limited to the laboratory

Method used

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Embodiment Construction

[0013] A kind of titanium-lead alloy production method of preferred embodiment of the present invention adopts following production steps:

[0014] (1), batching: according to process requirement, take the specified amount of lead-containing and titanium-containing oxides or their single metals, add a certain amount of exothermic agent and reducing agent therein, and stir evenly through the mixer;

[0015] (2), feeding: put the stirred material into the furnace of the rapid smelting furnace protected by argon, put the wire for ignition, sprinkle a small amount of combustion agent on its surface, then put the furnace cover, and put it Secure with bolts and seal with sealant.

[0016] (3) Evacuation: first draw the vacuum to -0.1Mp, then fill with argon, draw the vacuum again, then fill with argon, check the changes of the pressure gauge and the sealing condition around the furnace body at the same time, and finally draw the vacuum to -0.1Mp again, that is Vacuumize three times...

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Abstract

The invention relates to a production method for a titanium-lead alloy, which comprises the steps of material mixing, material feeding, vacuumizing and ignition, after a reaction of 60 seconds, the reaction product is naturally cooled for 6 hours to normal temperature and then taken out. Based on the basic principle of a self-propagation in-situ reaction method, that is, raw materials are fully homogenized before being alloyed, and by making full use of the principle of in-situ reduction, the invention uses a quick smelting furnace under the protection of special argon to complete an alloying process in a short time, thereby solving the problems that titanium and lead are difficult to alloy, the solid solubility is low and the components of the alloy are not homogenized and guaranteeing the homogenization of the components of the produced product, in addition, the lead content can be controlled to be 25% at most.

Description

technical field [0001] The invention relates to a production method of a high-quality titanium-lead alloy containing 5%-25% lead which is resistant to corrosion and has a long service life. Background technique [0002] Titanium is known as the rising third metal next to iron and aluminum, and it is an important metal developed in the 1950s. It has the advantages of low density, soft material, high relative strength, good corrosion resistance, excellent high temperature and low temperature mechanical properties, and good material compatibility. Lead is an amphoteric metal with good corrosion resistance and resistance to penetration of radioactive substances. It is used in electrode anode plate materials, batteries, radiation protection and other fields. Using lead plate or titanium plate alone has high cost and short life. Due to the density of titanium and lead (titanium is 4.508g / cm 3 , lead is 11.34 / cm 3 ), melting point (titanium is 1668 degrees, lead is 327.5 degree...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22B5/02C22C14/00
Inventor 朱晓彤石勇朱轩
Owner 莱芜市金石粉末冶金有限公司
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