Preparation method of foldable nickel film
A technology of stacking nickel films, which is applied in the field of preparation of foldable nickel films, can solve the problems of surface flatness of folded and warped films, impossibility of large-scale production, and low precision of nickel films, so as to avoid folds and warps and facilitate Transport, improve the effect of surface smoothness
Active Publication Date: 2022-05-27
WESTERN BAODE TECH CO LTD
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Problems solved by technology
[0004] The present invention provides a method for preparing a foldable nickel film, which solves the problem that the nickel film prepared by the existing method has low precision, is not foldable, and is prone to wrinkles and warping. The flatness of the diaphragm surface is low, which leads to the problem that it cannot be mass-produced
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[0039] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0040] Hereinafter, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature.
[0041] In order to solve the problems that the nickel film prepared by the existing method ...
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Abstract
The invention discloses a preparation method of a foldable nickel film, relates to the field of metal rolling, and solves the problem that large-scale production cannot be realized due to the fact that an existing nickel film is easy to fold and warp and the surface flatness of the film is relatively low. The specific scheme comprises: manufacturing a nickel film green body; two nickel film green bodies are stacked and then placed between two rollers of a rolling mill to be rolled, and a double-layer composite nickel film green body is formed; the double-layer composite nickel film green body is placed between two pressing plates, pressure is evenly applied to the two pressing plates, and meanwhile the double-layer composite nickel film green body is sintered; the surface flatness of the pressing plate is smaller than or equal to 0.03 mm, and the roughness of the pressing plate is smaller than or equal to 0.4 mu m; and stripping the two pressing plates to form the foldable nickel film. According to the method provided by the invention, the flatness of the nickel film is improved, and the condition that the nickel film is easy to fold and warp during large-scale production is also avoided. Due to the fact that no framework is arranged, production cost is saved, and the produced nickel film can be folded and stored and is convenient to transport.
Description
technical field [0001] The invention relates to the field of metal rolling, in particular to a preparation method of a foldable nickel film. Background technique [0002] Metal microfiltration membrane material has the characteristics of low density, high specific strength, large specific surface area, stable shape, and also has excellent properties such as good permeability, shock resistance and high temperature resistance. The metal porous film prepared by powder metallurgy process, such as nickel film, is relatively simple and low cost, and the pore size and structure can be adjusted, which is the preferred choice for large-scale production of metal microfiltration membrane materials. [0003] Large-scale nickel membrane production can improve the material utilization rate in the punching process, reduce the number of molds, and improve the quality of punched filter membrane elements. However, in actual production, due to the limitations of the process system, the pore s...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B21C37/02
CPCB21C37/02Y02E60/10
Inventor曹卜元李荣任尚远王苗刘高建雷雨吴引江梁永仁
OwnerWESTERN BAODE TECH CO LTD