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Corrosion liquid, preparation method of corrosion liquid and corrosion process of Incone625 nickel alloy

A technology of corrosive liquid and nickel alloy, applied in the field of corrosion, can solve the problem of difficult corrosion efficiency of nickel alloy, and achieve the effect of smooth appearance

Active Publication Date: 2022-05-24
海宁红狮宝盛科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to exist above-mentioned problem at existing technology, has proposed a kind of corrosion solution, has solved the problem that corrosion Inconel625 nickel alloy is difficult to corrode or efficiency is low

Method used

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  • Corrosion liquid, preparation method of corrosion liquid and corrosion process of Incone625 nickel alloy
  • Corrosion liquid, preparation method of corrosion liquid and corrosion process of Incone625 nickel alloy
  • Corrosion liquid, preparation method of corrosion liquid and corrosion process of Incone625 nickel alloy

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Embodiment Construction

[0034] 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, not all of 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.

[0035] image 3 Shown is the surface structure of the end of the sample under a magnifying glass of 500 times after the workpiece is corroded by Inconel625 nickel alloy.

[0036] A corrosive liquid, consisting of an aqueous solution of the following concentration substances: 30-50ml / L of nitric acid with a mass fraction of 65%-68%, 500-550ml / L of hydrochloric acid with a mass fraction of 35%-36.5%, industrial grade anhydrous chlorine Iro...

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Abstract

The invention provides a corrosive liquid, a preparation method of the corrosive liquid and a corrosion process of the corrosive liquid applied to Incone625 nickel alloy, and belongs to the technical field of corrosion. The invention relates to a corrosive liquid, which is characterized by comprising the following aqueous solutions of substances with the following concentrations: 30-50ml / L of nitric acid with the mass fraction of 65%-68%, 500-550ml / L of hydrochloric acid with the mass fraction of 35%-36.5%, 130-160g / L of industrial grade anhydrous ferric chloride and 5-10ml / L of a surfactant. The method has the advantages that the Inconel 625 nickel alloy is difficult to corrode or high in efficiency and can be controlled when the Inconel 625 nickel alloy is corroded.

Description

technical field [0001] The invention belongs to the technical field of corrosion, in particular to a corrosion solution, a preparation method of the corrosion solution and its application in the corrosion process of Inconel625 nickel alloy. Background technique [0002] Inconel 625 alloy is a nickel-chromium-iron nickel-based corrosion-resistant and heat-resistant alloy with a nickel content of more than 58%, a chromium content of 20-23%, and a molybdenum content of 8-10% and a molybdenum content of 3-4%. Its unique composition makes it highly resistant to corrosive substances. Common inorganic acids such as nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid and mixed acids have very little corrosion rate to this alloy. [0003] Due to its excellent corrosion resistance, this metal is widely used in military industry, aerospace, marine industry, etc. However, due to its involvement in military industry, aerospace, etc., the relevant corrosion technology is kept c...

Claims

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Application Information

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IPC IPC(8): C23F1/28
CPCC23F1/28
Inventor 王舒文刘鑫陈明伟张诗慧杨虎王瑞孙志芳付强红李娟余刘建
Owner 海宁红狮宝盛科技有限公司
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