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Method for Determination of Composition of Nickel-base Superalloy Steel Using Photoelectric Direct Reading Spectrometer

A high-temperature alloy steel, photoelectric direct reading technology, applied in the field of metallurgical analysis, can solve the problems of long period, high cost, complicated analysis steps, etc., and achieve the effect of reducing analysis cost, shortening analysis period, and simplifying analysis procedures

Active Publication Date: 2015-08-26
AECC AVIATION POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the chemical composition analysis of nickel-based superalloys requires gas analysis of carbon, sulfur, and nitrogen elements, wet chemical analysis of phosphorus and silicon elements, and analysis of other elements by inductively coupled plasma emission spectrometer (ICP). These items are analyzed by different It is completed by personnel on different analysis equipment, the analysis steps are complicated, the cycle is long, and the cost is high

Method used

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  • Method for Determination of Composition of Nickel-base Superalloy Steel Using Photoelectric Direct Reading Spectrometer
  • Method for Determination of Composition of Nickel-base Superalloy Steel Using Photoelectric Direct Reading Spectrometer
  • Method for Determination of Composition of Nickel-base Superalloy Steel Using Photoelectric Direct Reading Spectrometer

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 1 Determine the analysis conditions as follows:

[0032]

[0033]

[0034]

[0035] 2. Preparation of type standardized samples and analysis samples: use nickel-based high-temperature alloy steel to manufacture analysis samples, type standardized samples are obtained from daily production analysis, and the smelting and rolling process is basically the same as the analysis sample material, with accurate chemical composition inside Sample. The surface roughness of the analysis surface of the analysis sample is less than 0.8;

[0036] 3. Make a calibration curve: Under the selected working conditions, excite the standard sample of the photoelectric direct reading spectrometer, and each sample is excited at least 3 times, take the average value of the relative intensity of each element to be measured as the ordinate, and take the standard sample The concentration value of this element draws a calibration curve on the abscissa;

[0037] 4. Analysis type standard s...

Embodiment 2

[0040] 1 Determine the analysis conditions as follows:

[0041]

[0042]

[0043]

[0044]

[0045] 2 Preparation of type standardized samples and analysis samples: Nickel-based high-temperature alloy steel is used to manufacture analysis samples. Type standardized samples are obtained from daily production analysis. The smelting and rolling process is basically the same as the analysis sample material, and there are accurate internal standards for chemical composition. Sample. The surface roughness of the analysis surface of the analysis sample is less than 0.8;

[0046] 3 Make a calibration curve: Under the selected working conditions, excite the standard sample of the photoelectric direct reading spectrometer, each sample is excited at least 3 times, take the average value of the relative intensity of each element to be measured as the ordinate, and take the standard sample in the standard sample The concentration value of the element draws a calibration curve ...

Embodiment 3

[0050] 1 Determine the analysis conditions as follows:

[0051]

[0052]

[0053]

[0054]

[0055] 2. Preparation of type standardized samples and analysis samples: Nickel-based superalloy steel is used to manufacture analysis samples. Type standardization samples are obtained from daily production analysis. The smelting and rolling process is basically the same as the analysis sample material, and there is an accurate internal chemical composition. Sample. The surface roughness of the analysis surface of the analysis sample is less than 0.8;

[0056] 3. Make a calibration curve: Under the selected working conditions, excite the standard sample of the photoelectric direct reading spectrometer, and each sample is excited at least 3 times, take the average value of the relative intensity of each element to be measured as the ordinate, and take the standard sample The concentration value of this element draws a calibration curve on the abscissa;

[0057] 4. Analysi...

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Abstract

The invention belongs to the technical field of metallurgical analysis and relates to an improvement on a method for analyzing components of nickel-based high-temperature alloy steel. A method for measuring the components of the nickel-based high-temperature alloy steel comprises the following steps: determining an analysis condition; preparing an analysis sample; making a calibration curve; analyzing the sample; calculating the analysis result. The invention provides a method for measuring components of nickel-based high-temperature alloy steel by using a photoelectric direct reading spectrometer, so that analysis equipment is reduced, analysis procedures are simplified, analysis period is shortened, and analysis cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of metallurgical analysis, and relates to the improvement of a composition analysis method for nickel-based high-temperature alloy steel. Background technique [0002] At present, the chemical composition analysis of nickel-based superalloys requires gas analysis of carbon, sulfur, and nitrogen elements, wet chemical analysis of phosphorus and silicon elements, and analysis of other elements by inductively coupled plasma emission spectrometer (ICP). These items are analyzed by different It is completed by personnel on different analysis equipment, the analysis steps are complicated, the cycle is long, and the cost is high. Contents of the invention [0003] The purpose of the present invention is: to propose a method for measuring the composition of nickel-based high-temperature alloy steel using a photoelectric direct-reading spectrometer, so as to reduce analysis equipment, simplify analysis procedures, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/63
Inventor 杜艳赵勇李航陆琪郭子静贾丽静刘雄飞
Owner AECC AVIATION POWER CO LTD
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