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Method for detecting hydrogen, oxygen and nitrogen in titanium sponge

A technology of sponge titanium and oxyhydrogen, which is applied in the direction of testing metals, material inspection products, etc., can solve the problems of unstable test results, crucible rupture, test failure, etc., so as to avoid test failure phenomenon, improve detection efficiency, and improve detection accuracy. Effect

Active Publication Date: 2012-06-13
PANZHIHUA GANGCHENG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to factors such as collisions during transportation, there are many small cracks in the crucible, which are difficult to find with the naked eye. When testing samples, due to the sharp rise in temperature, crucible cracks are common, often resulting in test failures and unstable test results. Phenomenon

Method used

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  • Method for detecting hydrogen, oxygen and nitrogen in titanium sponge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1. Sample weight: titanium sponge standard sample 0.0967g, nickel basket 1g, nickel cut 0.2g.

[0026] 2. Melt the sample in step 1 with a set of crucibles (leco, USA).

[0027] 3. Adjust the parameters of the nitrogen, hydrogen and oxygen combined analyzer (lecoTCH600 in the United States), the exhaust low power is 6200W, the exhaust high power is 6200W, the analysis low power is 100W, and the analysis high power is 5500W.

[0028] 4. The test results are shown in Table 3:

[0029] table 3

[0030] Sample container

Embodiment 2

[0032] 1. Sample weight: titanium sponge standard sample 0.1053g, nickel basket 1g, nickel cut 0.2g.

[0033] 2. Melt the sample in step 1 with a set of crucibles.

[0034] 3. Adjust the parameters of the nitrogen, hydrogen and oxygen combined analyzer (lecoTCH600 in the United States), the exhaust low power is 6200W, the exhaust high power is 6200W, the analysis low power is 100W, and the analysis high power is 5500W.

[0035] 4. The test results are shown in Table 4:

[0036] Table 4

[0037] Sample container

Embodiment 3

[0039] 1. Test sample weight: 0.0955g of titanium sponge, 1g of nickel basket, 0.2g of nickel chipping.

[0040] 2. Melt the sample in step 1 with a set of crucibles.

[0041] 3. Adjust the parameters of the nitrogen, hydrogen and oxygen combined analyzer (lecoTCH600 in the United States), the exhaust low power is 6200W, the exhaust high power is 6200W, the analysis low power is 100W, and the analysis high power is 5500W.

[0042] 4. The test results are shown in Table 5:

[0043] table 5

[0044] Sample container

[0045] The above examples illustrate that after adjusting the parameters of the nitrogen-hydrogen-oxygen combined measuring instrument in the present invention, when the hydrogen, oxygen and nitrogen in sponge titanium are measured with the crucible, the error rate of the crucible is small and the measurement result is accurate.

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Abstract

The invention belongs to the technical field of titanium sponge detection, and particularly relates to a method for detecting hydrogen, oxygen and nitrogen in titanium sponge. The invention solves the technical problem by providing the method for detecting hydrogen, oxygen and nitrogen in the titanium sponge, and the method has stable detection result. The method for detecting hydrogen, oxygen and nitrogen in the titanium sponge takes a graphite sleeve crucible as a sample container. As the invention takes the graphite sleeve crucible as the sample container for melting the titanium sponge for detection, the experiment failure caused by the damage of the sample container is effectively avoided, the detection efficiency is improved, and the detecting accuracy is improved at the same time.

Description

technical field [0001] The invention belongs to the technical field of sponge titanium detection, in particular to a method for detecting hydrogen, oxygen and nitrogen in sponge titanium. Background technique [0002] Nitrogen and oxygen in titanium sponge products are the two most important elements affecting the quality of titanium sponge. The detection of hydrogen, oxygen and nitrogen in titanium sponge is mainly carried out by nitrogen, hydrogen and oxygen analyzers at home and abroad. The method is to put the sponge titanium sample into the sample container, and then put the sample container in the nitrogen, hydrogen and oxygen analyzer for detection. Sponge titanium has a melting point of 1668°C and is a refractory metal. In order to completely melt and release nitrogen, hydrogen, and oxygen elements, a high-temperature graphite crucible is generally used as a container. Due to factors such as collisions during transportation, there are many small cracks in the crucib...

Claims

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Application Information

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IPC IPC(8): G01N33/20
Inventor 陈德明刘林石玉英闫月娥王益梅鲁建芳
Owner PANZHIHUA GANGCHENG GROUP
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