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Process for the production of enamelled steel sheet or part

A technology for steel sheets and parts, applied in the field of producing enamel steel sheets or parts, can solve the problems of time and temperature no longer meeting industrial requirements, and achieve the effect of reducing the firing temperature and time

Inactive Publication Date: 2012-05-30
ARCELORMITTAL INVESTIGACION Y DESARROLLO SL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the time and temperature required to fire enamel no longer meet today's industrial needs

Method used

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  • Process for the production of enamelled steel sheet or part
  • Process for the production of enamelled steel sheet or part
  • Process for the production of enamelled steel sheet or part

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0072] specific implementation plan

[0073] The invention will now be illustrated by means of non-limiting illustrated examples.

[0074] Tests were carried out using samples from steel plates suitable for enamelling, which according to standard EN10209 are called DC03ED (also called ).

[0075] The aim was to compare the adhesion of samples enamelled according to the invention with conventionally enamelled samples.

[0076] 1- Production of conventional enamelled steel sheets

[0077] After removing the protective oil from the surface of the sample by conventional alkaline degreasing, a layer of conventional underglaze called PP 12189 manufactured by Pemco International was applied to one side of the sample in order to obtain an enamel layer which was 110 μm thick after firing, i.e. about 400 g / m 2 .

[0078] The enamel samples were fired at different firing temperatures and times in a conventional furnace for enamelling, and the adhesion level of the enamel layer wa...

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Abstract

The invention relates to a steel sheet or part whose composition is suitable for enamelling, and which is coated with a coating consisting of a matrix of polymer in which particles of non-oxide ceramic are homogeneously dispersed. It also relates to the use of this coated steel sheet or part for producing an enamelled steel sheet or part, and to a process for producing an enamelled steel sheet orpart allowing a decrease of firing temperature and time compared with conventional firing temperatures and times.

Description

technical field [0001] The invention relates to a steel sheet or part whose composition is suitable for enamel, which is coated on one or both sides with a coating consisting of a polymer matrix in which non-oxidizing It also relates to the use of such coated steel sheets or parts for the production of enamelled steel sheets or parts. [0002] The invention also relates to a method of producing a steel sheet or part coated with an underglaze layer and optionally an additional white or light-coloured topglaze layer having high adhesion to steel. Background technique [0003] The protection of metal surfaces by applying a layer of enamel is well known and widely used because of its resistance to high temperatures and because of the protection it imparts to the surface from chemical attack. [0004] Thus, enamelled products are widely used in different applications, such as in washing machines, sanitary ware, kitchen utensils, indoor appliances, and outdoor building materials....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23D3/00B05D7/14
CPCB05D7/14C23D3/00Y10T29/49982Y10T428/252Y10T428/273
Inventor M・勒沃L・迪普雷J・冈萨雷斯希门尼斯P・古瑟洛特
Owner ARCELORMITTAL INVESTIGACION Y DESARROLLO SL
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