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Composite metal material, its preparation method and metal material product

A composite metal material and metal material technology, applied in metal rolling, metal layered products, chemical instruments and methods, etc., can solve the problems of low yield of kitchenware products, separation of aluminum layer and steel layer, etc., to ensure interface bonding Strength, avoidance of separation, inhibition of interdiffusion effects

Active Publication Date: 2019-03-15
YINBANG CLAD MATERIAL
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The first purpose of the present invention is to provide a composite metal material to solve the problem that the current existing materials are prone to form coarse and continuous aluminum-iron intermetallic brittle compounds when deep drawing at a temperature greater than 460°C, resulting in the separation of the aluminum layer from the steel layer. Technical problems with low product yield
[0005] The second object of the present invention is to provide a method for preparing a composite metal material, so as to solve the problem that the current existing method is very easy to produce thick and continuous aluminum-iron in deep drawing of 3003 aluminum alloy and 430 stainless iron composite materials under the condition of greater than 460 ° C. The brittle compound between metals causes the separation of the aluminum layer and the steel layer, and the technical problem of low yield rate of kitchenware products

Method used

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  • Composite metal material, its preparation method and metal material product

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Embodiment 1

[0037] The composite metal material in this embodiment includes a first alloy layer 1 , a second alloy layer 2 and a third alloy layer 3 located between the first alloy layer 1 and the second alloy layer 2 .

[0038] The first alloy layer is 3003 aluminum alloy, and the 3003 aluminum alloy includes 100 parts by mass of the following materials: copper (Cu) 0.13 parts, manganese (Mn) 1.2 parts, iron (Fe) 0.6 parts, silicon (Si) 0.5 parts parts, zinc (Zn) 0.08 parts, and the rest are aluminum and inevitable impurity elements.

[0039] The second alloy layer is 430 stainless iron, which includes 100 parts by mass of the following materials: 16.8 parts of chromium (Cr), 0.10 parts of carbon (C), 0.7 parts of silicon (Si), and 0.7 parts of manganese (Mn) 1 part, phosphorus (P) 0.03 part, sulfur (S) 0.02 part, and the rest are iron and inevitable impurity elements.

[0040] The third alloy layer is 4A60 aluminum alloy, and the 4A60 aluminum alloy includes 100 parts by mass of the fo...

Embodiment 2

[0048] The composite metal material in this embodiment includes a first alloy layer, a second alloy layer, and a third alloy layer located between the first alloy layer and the second alloy layer, and the composition of the corresponding alloy layer is the same as that in Embodiment 1.

[0049] The preparation method of the composite metal material comprises the following steps:

[0050] First, 3003 aluminum alloy and 4A60 aluminum alloy are hot-rolled and compounded, and the cladding ratio of 4A60 is 10%;

[0051] When rolling and compounding with 430 stainless iron, the surface of the acid-alkali washed stainless iron plate is polished with a roller brush and then rolled and compounded with the 4A60 aluminum alloy surface of the 3003 aluminum alloy / 4A60 aluminum alloy clad plate. The rolling temperature is 200 ℃, rolling speed 4m / min, reduction rate 25%;

[0052] Then, the finished product is annealed, and the annealing system is 320°C, and the temperature is kept for 2h. ...

Embodiment 3

[0055] The composite metal material in this embodiment includes a first alloy layer, a second alloy layer, and a third alloy layer located between the first alloy layer and the second alloy layer, and the composition of the corresponding alloy layer is the same as that in Embodiment 1.

[0056] The preparation method of the composite metal material comprises the following steps:

[0057] First, 3003 aluminum alloy and 4A60 aluminum alloy are hot-rolled and compounded, and the cladding ratio of 4A60 is 5%;

[0058] When rolling and compounding with 430 stainless iron, the surface of the acid-alkali washed stainless iron plate is polished with a roller brush and then rolled and compounded with the 4A60 aluminum alloy surface of the 3003 aluminum alloy / 4A60 aluminum alloy clad plate, and the rolling temperature is 400 ℃, rolling speed 4m / min, reduction rate 25%;

[0059] Then, the finished product is annealed, and the annealing system is 350°C, and the temperature is kept for 2....

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Abstract

The invention discloses a composite metal material, a preparation method thereof and a metal material product. The composite metal material comprises a first alloy layer, a second alloy layer and a third alloy layer which is made from 4A60 aluminum alloy and located between the first alloy layer and the second alloy layer. The preparation method of the composite metal material comprises the following steps that step one, one face of the first alloy layer and one face of the third alloy layer are subjected to hot rolling bonding; step two, the other face of the third alloy layer and one face of the second alloy layer are subjected to hot rolling bonding at 200-400 DEG C; and step three, a finished product obtained through hot rolling bonding is annealed to obtain the composite metal material. According to the composite metal material, the preparation method thereof and the metal material product, by adoption of the 4A60 aluminum alloy of the third alloy layer, the thermodynamic temperature generated from the middle brittle phase of aluminum and iron is increased, and therefore, by adoption of the preparation method of the composite metal composite, on the premise that the product percent of pass is ensured, the temperature in the deep drawing process of the aluminum and the 430 stainless iron is increased, and the machining efficiency of the product is improved.

Description

technical field [0001] The invention belongs to the technical field of kitchen utensil materials, and in particular relates to a composite metal material, a preparation method of the composite metal material, and a metal material product made of the composite metal material. Background technique [0002] At present, pots such as soup pots, frying pans, and rice cookers in the kitchen utensils market have changed from aluminum pots and iron pots to composite materials of aluminum / stainless iron and stainless steel / aluminum / stainless iron. It has the high thermal conductivity of aluminum, the magnetic conductivity of stainless iron, and has the advantages of wear resistance, corrosion resistance, and beautiful appearance. [0003] The traditional aluminum / stainless iron composite material is composed of 3003 aluminum alloy and 430 stainless iron. Reducing costs and improving production efficiency are the most concerned and urgent problems for domestic kitchenware manufacturer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/02C22C21/00C22C38/18B21B1/38B32B15/01B32B15/18B32B15/20
CPCB21B1/38B21B2001/386B32B15/012C22C21/00C22C21/02C22C38/18
Inventor 张小军李龙周德敬
Owner YINBANG CLAD MATERIAL
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