Room temperature super-formability magnesium or magnesium alloy and manufacturing method thereof
A manufacturing method and formability technology are applied in the direction of improving process efficiency, etc., can solve the problems of poor formability of magnesium at room temperature, etc., and achieve the effects of low cost and high production efficiency
Active Publication Date: 2019-04-02
CHINA BAOWU STEEL GRP CORP LTD +1
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Problems solved by technology
[0005] One of the objects of the present invention is to provide a room temperature superformable magnesium, which aims at the problem of poor room temperature formability of magnesium in the prior art, and obtains room temperature superformable magnesium by using simple processing means, so that Magnesium, which is inherently difficult to form, becomes good and easy to form at room temperature
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Embodiment 1-20 and comparative example 1-5
[0079] The manufacturing process of room temperature superformable magnesium profiles or magnesium alloy profiles includes the following steps: extruding raw materials at 20°C to 150°C, the extrusion ratio is 10:1 to 100:1, and the extrusion push rod speed is 0.05mm / s to 50mm / s to obtain the magnesium profile.
[0080] The manufacturing process of room temperature superformable magnesium plate or magnesium alloy plate includes steps:
[0081] (1) Extrude the raw material at 20℃~150℃, the extrusion ratio is 10:1~100:1, and the extrusion push rod speed is 0.05mm / s~50mm / s;
[0082] (2) Rolling into a magnesium sheet at 20°C to 100°C.
[0083] Wherein, the thickness of the magnesium plate is 0.3mm-4mm or 0.04mm-0.3mm.
[0084] Table 1 has listed the concrete process parameter in the manufacture method of the room temperature superformability magnesium of embodiment 1-12 or magnesium alloy.
[0085] Table 1.
[0086]
[0087]
[0088] Table 2 lists the grain sizes of the ...
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Abstract
The invention discloses room temperature super-formability magnesium, having grain size of <= 2 microns. In addition, the invention also discloses a room temperature super-formability magnesium alloyhaving grain size of <= 2 [mu]m. Accordingly, the invention also discloses a manufacturing method for the room temperature super-formability magnesium and a manufacturing method for the room temperature super-formability magnesium alloy. The room temperature super-formability magnesium is prepared by using a simple processing method aimed at a problem that room temperature formability of magnesiumis poor in the prior art, and magnesium which is substantially difficult to form has good room temperature formability, and the magnesium is easy to form.
Description
technical field [0001] The present invention relates to a metal or a metal alloy and a manufacturing method thereof, in particular to a metal or a metal alloy with good formability and a manufacturing method thereof. Background technique [0002] Magnesium is a widely available metallic material in our daily life, it accounts for 2.7% of the earth's crust. It can be extracted from ore or seawater, and the purity can reach 99.8% after refining. At the same time, magnesium is the lightest metal structure material found so far, its density is only 1.74g / cm 3 , 2 / 3 of aluminum and 1 / 4 of steel. This feature makes magnesium can be used as a metal to replace aluminum and steel, and is widely used in the fields of automobiles, aviation, and rail transportation. The use of magnesium alloys saves energy and reduces operating costs. For example, when the weight of the car is reduced by 100kg, the fuel consumption per 100 kilometers will be reduced by 0.38 liters, and the CO2 per k...
Claims
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IPC IPC(8): C22F1/06C22C23/00
CPCC22C23/00C22F1/06B21C23/002
Inventor 聂建峰曾卓然徐世伟尼克·波比利斯克瑞斯·戴维斯唐伟能
Owner CHINA BAOWU STEEL GRP CORP LTD