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Quick-open type temperature-controllable high-pressure hydrogen environment material and preparation method thereof

A high-pressure hydrogen and environment technology, applied in the field of high-pressure hydrogen environment materials and their preparation, can solve the problems of lack of high temperature resistance, hydrogen embrittlement resistance, tensile strength and compressive strength not meeting the requirements, etc. Low, high temperature resistance, good tensile strength effect

Inactive Publication Date: 2017-05-24
ANHUI RUIYAN NEW MATERIAL TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a quick-opening temperature-controllable high-pressure hydrogen environment material and a preparation method thereof, which are used to solve the problem that the hydrogen embrittlement resistance, tensile strength and compressive strength of the prior art do not meet the requirements, and do not have The problem of high temperature resistance

Method used

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  • Quick-open type temperature-controllable high-pressure hydrogen environment material and preparation method thereof

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Embodiment 1

[0020] This embodiment proposes a quick-opening temperature-controllable high-pressure hydrogen environment material, including the following raw materials in parts by weight: 20 parts of magnesium powder, 18 parts of silicon powder, 14 parts of iron powder, 22 parts of nickel powder, and 16 parts of tungsten powder. 10 parts of titanium, 12 parts of graphite, 22 parts of aluminum powder, 30 parts of deionized water, 27 parts of sulfuric acid;

[0021] Its preparation method comprises the following steps:

[0022] S1: Mix deionized water and sulfuric acid, and stir at a stirring speed of 15 rpm for 10 minutes to prepare a mixed solution;

[0023] S2: Mix magnesium powder, silicon powder, iron powder, nickel powder, tungsten powder, titanium, graphite and aluminum powder, then put the mixture in the mixed solution for pickling, then put the pickled mixture in an oven, Drying at 100°C;

[0024] S3: Heating the dried mixture to 1200°C at a rate of 5°C / min, and then pressing the...

Embodiment 2

[0027] This embodiment proposes a quick-opening temperature-controllable high-pressure hydrogen environment material, including the following raw materials in parts by weight: 21 parts of magnesium powder, 19 parts of silicon powder, 15 parts of iron powder, 23 parts of nickel powder, and 17 parts of tungsten powder. 11 parts of titanium, 13 parts of graphite, 23 parts of aluminum powder, 31 parts of deionized water, 28 parts of sulfuric acid;

[0028] Its preparation method comprises the following steps:

[0029] S1: Mix deionized water and sulfuric acid, and stir at a stirring speed of 16 rpm for 11 minutes to prepare a mixed solution;

[0030] S2: Mix magnesium powder, silicon powder, iron powder, nickel powder, tungsten powder, titanium, graphite and aluminum powder, then put the mixture in the mixed solution for pickling, then put the pickled mixture in an oven, Dry at 102°C;

[0031] S3: Heat the dried mixture to 1220°C at a rate of 6°C / min, and then press the mixture ...

Embodiment 3

[0034] This embodiment proposes a quick-opening temperature-controllable high-pressure hydrogen environment material, including the following raw materials in parts by weight: 22 parts of magnesium powder, 20 parts of silicon powder, 16 parts of iron powder, 24 parts of nickel powder, and 18 parts of tungsten powder. 12 parts of titanium, 14 parts of graphite, 24 parts of aluminum powder, 32 parts of deionized water, 29 parts of sulfuric acid;

[0035] Its preparation method comprises the following steps:

[0036] S1: Mix deionized water and sulfuric acid, and stir at a stirring speed of 17rpm for 12min to prepare a mixed solution;

[0037] S2: Mix magnesium powder, silicon powder, iron powder, nickel powder, tungsten powder, titanium, graphite and aluminum powder, then put the mixture in the mixed solution for pickling, then put the pickled mixture in an oven, Dry at 104°C;

[0038] S3: Heating the dried mixture to 1240°C at a rate of 7°C / min, and then pressing the mixture ...

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Abstract

The invention discloses a quick-open type temperature-controllable high-pressure hydrogen environment material and a preparation method thereof. The material comprises, by weight, 20-25 parts of magnesium powder, 18-23 parts of silicon powder, 14-19 parts of iron powder, 22-27 parts of nickel powder, 16-21 parts of tungsten powder, 10-15 parts of titanium, 12-17 parts of graphite, 22-27 parts of aluminum powder, 30-35 parts of deionized water, and 27-32 parts of sulfuric acid. The preparation method includes the following steps that S1, the deionized water and the sulfuric acid are mixed and stirred for 10-15 min at the speed of 15-20 rpm, so that a mixed solution is obtained; S2, the magnesium powder, silicon powder, iron powder, nickel powder, tungsten powder, titanium, graphite and aluminum powder are mixed, then the mixture is put into the mixed solution for acid pickling, and the mixture subjected to acid pickling is put into a drying oven and dried at the temperature of 100-110 DEG C; S3, the dried mixture is heated to 1200-1300 DEG C at the speed of 5-8 DEG C / min and then pressed under the pressure of 400-500 MPa. The material has excellent tensile strength, hydrogen embrittlement resistance and pressure resistance, has high temperature resistance, and is easy to prepare, convenient to use and low in cost.

Description

technical field [0001] The invention relates to the technical field of materials used in high-pressure hydrogen environments, in particular to a quick-opening temperature-controllable high-pressure hydrogen environment material and a preparation method thereof. Background technique [0002] With the development of science and technology, hydrogen, as a new type of fuel, is gradually used in various fields. In order to ensure the long-term, safe, stable and reliable existence of high-pressure hydrogen environment, it is necessary to manufacture materials that can be used in high-pressure hydrogen environment for a long time. [0003] The patent document with the application number 201180014326.4 discloses an aluminum alloy material for a high-pressure hydrogen storage container, which is used to provide an aluminum alloy material for a high-pressure hydrogen storage container, which has excellent hydrogen embrittlement resistance and improved strength , but its hydrogen embri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C30/00C22C1/05
CPCC22C30/00C22C1/05C22C19/03C22C21/00
Inventor 王举孙益民芮定文
Owner ANHUI RUIYAN NEW MATERIAL TECH RES INST