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Flame retardant corrosion-resisting alloy

A technology of corrosion-resistant alloys and alloys, applied in the field of alloys, can solve problems such as unusable, low melting point of magnesium, and non-corrosion-resistant magnesium alloys

Inactive Publication Date: 2013-08-28
滁州市昊宇滑动轴承有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, magnesium has a low melting point and is easy to burn. Therefore, the alloy prepared from magnesium is easy to burn itself when the temperature is close to its ignition point, causing a fire hazard.
At present, the commonly used materials for preparing flame retardant functions are divided into three types: composite type, coating type and interlayer type. However, most of the flame retardants are toxic substances, and the scope of use of alloys prepared by this method is severely limited.
[0004] Although magnesium alloys are sought after for their light weight and good ductility, because magnesium itself can react with water and air, most magnesium alloys are not corrosion-resistant and cannot be used in harsh environments

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] 1.1 Preparation of flame-retardant and corrosion-resistant alloys

[0018] (1) Weigh according to mass percentage: 20% magnesium, 10% titanium, 15% lithium, 5% cobalt, 10% nickel, 4% vanadium, conduct vacuum medium frequency induction melting, cast ingot, and grind into nano-alloy powder;

[0019] (2) Mix the prepared nano-alloy powder with 25% polypropylene, 2% calcium stearate, and 9% wollastonite. The melt flow rate of the polypropylene is 50g / min. Stir at a speed of 80 rpm, and obtain a nano-alloy powder-polypropylene mixed solution in 50 minutes;

[0020] (3) After homogenizing the ingot of the above mixed solution, melt, mix and disperse it in a twin-screw extruder with a length-to-diameter ratio of 60:1, and extrude alloys of different shapes according to requirements. The melting and mixing temperature is 200 ℃.

[0021] 1.2 Corrosion resistance of flame-retardant and corrosion-resistant alloys

[0022] 1.2.1 Set up the experimental group and control group: ...

Embodiment 2

[0036] The preparation method is the same as that disclosed in Example 1, but the main components of the alloy in this example are composed of the following components according to mass percentage: 30% magnesium, 10% titanium, 10% lithium, 5% cobalt, and 20% nickel , vanadium 5%, the auxiliary components are composed of the following components according to the mass percentage: polypropylene 12%, calcium stearate 3%, wollastonite 5%

Embodiment 3

[0038] The preparation method is the same as that disclosed in Example 1, but the main components of the alloy in this example are composed of the following components according to mass percentage: 26% magnesium, 13% titanium, 15% lithium, 3% cobalt, and 10% nickel , vanadium 2%, the auxiliary components are composed of the following components according to the mass percentage: polypropylene 18%, calcium stearate 4%, wollastonite 9%

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Abstract

The invention relates to a flame retardant corrosion-resisting alloy. The flame retardant corrosion-resisting alloy comprises main components and auxiliary components, wherein the main components comprise by mass percent: 20%-30% of magnesium, 10%-15% of titanium, 10%-15% of lithium, 1%-5% of cobalt, 10%-25% of nickel and 1%-5% of vanadium, and the auxiliary components comprise by mass percent: 15%-25% of polypropylene and 1%-2% of a lubricating agent. The flame retardant corrosion-resisting alloy has good flame retardant and corrosion-resisting properties.

Description

[0001] technical field [0002] The invention relates to the field of alloys, in particular to a flame-retardant and corrosion-resistant alloy and a preparation method thereof. Background technique [0003] Magnesium is the lightest structural material, which meets the requirements of environmental protection and energy saving such as low energy consumption, so it is often used to prepare alloys in industrial fields such as automobiles, electronics, and aviation. However, magnesium has a low melting point and is easy to burn. Therefore, the alloy prepared from magnesium is easy to burn itself when the temperature is close to its ignition point, causing a fire hazard. At present, the commonly used materials for preparing flame retardant functions are divided into three types: composite type, coating type and interlayer type. However, most of the flame retardants are toxic substances, and the application range of the alloy prepared by this method is severely limited. [0004...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C30/00
Inventor 江邦寿
Owner 滁州市昊宇滑动轴承有限公司
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