CN103575707B - Photo-electric direct reading spectrometer is used to measure the method for nickel base superalloy composition of steel - Google Patents
Photo-electric direct reading spectrometer is used to measure the method for nickel base superalloy composition of steel Download PDFInfo
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Abstract
The invention belongs to metallurgical analysis technical field, relate to the improvement to nickel base superalloy composition of steel analytical approach.It is characterized in that, the step measuring nickel base superalloy composition of steel is as follows: determine analysis condition; Sample is analyzed in preparation; Make calibration curve; Analyze sample; Calculation results.The present invention proposes a kind of method using photo-electric direct reading spectrometer to measure nickel base superalloy composition of steel, decrease analytical equipment, simplify routine analyzer, shorten analytical cycle, reduce analysis cost.
Description
Technical field
The invention belongs to metallurgical analysis technical field, relate to the improvement to nickel base superalloy composition of steel analytical approach.
Background technology
Carry out nickel base superalloy chemical composition analysis at present to need to do carbon, sulphur, the analysis of nitrogen elemental gas, phosphorus, element silicon wet-chemical analysis, other element is by analysis projects such as Inductively coupled plasma optical emission spectrometer (ICP) analyses, these projects are all completed in different analytical equipment by different analyst, analytical procedure is numerous and diverse, cycle is long, and cost is high.
Summary of the invention
The object of the invention is: propose a kind of method using photo-electric direct reading spectrometer to measure nickel base superalloy composition of steel, to reduce analytical equipment, Simplified analysis program, shortens analytical cycle, reduces analysis cost.
Technical scheme of the present invention is: use photo-electric direct reading spectrometer to measure the method for nickel base superalloy composition of steel, it is characterized in that, the step measuring nickel base superalloy composition of steel is as follows:
1, analysis condition is determined: element internal standard line and analytical line:
2, prepare type standardization sample and analyze sample: using nickel base superalloy steel making to analyze sample, type standardization sample obtains for analyzing from daily production, substantially identical with the analysis sample material identical smelting operation of rolling, there is the inside standard specimen of chemical composition accurately.The surfaceness analyzing the analysis surface of sample is less than 0.8;
3, calibration curve is made: under selected condition of work, the standard model of exciting light photoelectric direct reading spectrometer, each sample at least excites 3 times, with each element relative intensity mean value to be measured for ordinate, with the concentration value of this element in standard model for horizontal ordinate draws calibration curve;
4, analysis type standard model and analysis sample: the condition of work determined by step 1.1 excites type standard sample and analyzes sample, and each sample at least excites 2 times ~ 3 times, averages.
5, Calculation results: according to the relative intensity of analytical line pair, obtains the content of analytical element from calibration curve.
Advantage of the present invention is: propose a kind of method using photo-electric direct reading spectrometer to measure nickel base superalloy composition of steel, decrease analytical equipment, simplify routine analyzer, shorten analytical cycle, reduce analysis cost.
Embodiment
Below the present invention is described in further details.Use photo-electric direct reading spectrometer to measure the method for nickel base superalloy composition of steel, it is characterized in that analysis speed is fast, favorable reproducibility, accuracy is higher, reduces analysis cost simultaneously, and the step measuring nickel base superalloy composition of steel is as follows:
1, determine analysis condition: element internal standard line and analytical line as follows:
2, prepare type standardization sample and analyze sample: using nickel base superalloy steel making to analyze sample, type standardization sample obtains for analyzing from daily production, substantially identical with the analysis sample material identical smelting operation of rolling, there is the inside standard specimen of chemical composition accurately.The surfaceness analyzing the analysis surface of sample is less than 0.8;
3, calibration curve is made: under selected condition of work, the standard model of exciting light photoelectric direct reading spectrometer, each sample at least excites 3 times, with each element relative intensity mean value to be measured for ordinate, with the concentration value of this element in standard model for horizontal ordinate draws calibration curve;
4, analysis type standard model and analysis sample: the condition of work determined by step 1 excites type standard sample and analyzes sample, and each sample at least excites 2 times ~ 3 times, averages.
5, Calculation results: according to the relative intensity of analytical line pair, obtains the content of analytical element from calibration curve.
Subordinate list explanation
(1) analytical precision of instrument: select GH4033, GH37 standard specimen, analyze 10 times according to analytical approach continuously to standard specimen, 9 times, data see the following form:
Table 1GH4033
Table 2GH37
(2) accuracy of analysis of instrument:
According to analytical approach, select the standard specimen of different content, carry out accuracy experiment.Each standard specimen METHOD FOR CONTINUOUS DETERMINATION three times, asks its mean value, analyzes data in table 3
Spectrometer is not only easy and simple to handle as seen from the above table, and measures fast, and the preci-sion and accuracy of analysis is all better.
Embodiment 1
1 determines that analysis condition is as follows:
2, prepare type standardization sample and analyze sample: using nickel base superalloy steel making to analyze sample, type standardization sample obtains for analyzing from daily production, substantially identical with the analysis sample material identical smelting operation of rolling, there is the inside standard specimen of chemical composition accurately.The surfaceness analyzing the analysis surface of sample is less than 0.8;
3, calibration curve is made: under selected condition of work, the standard model of exciting light photoelectric direct reading spectrometer, each sample at least excites 3 times, with each element relative intensity mean value to be measured for ordinate, with the concentration value of this element in standard model for horizontal ordinate draws calibration curve;
4, analysis type standard model and analysis sample: the condition of work determined by step 1 excites type standard sample and analyzes sample, and each sample at least excites 2 times ~ 3 times, averages.
5, Calculation results: according to the relative intensity of analytical line pair, obtains the content of analytical element from calibration curve.
Embodiment 2
1 determines that analysis condition is as follows:
2 prepare type standardization sample and analyze sample: use nickel base superalloy steel making to analyze sample, type standardization sample obtains for analyzing from daily production, substantially identical with the analysis sample material identical smelting operation of rolling, there is the inside standard specimen of chemical composition accurately.The surfaceness analyzing the analysis surface of sample is less than 0.8;
3 make calibration curve: under selected condition of work, the standard model of exciting light photoelectric direct reading spectrometer, each sample at least excites 3 times, with each element relative intensity mean value to be measured for ordinate, with the concentration value of this element in standard model for horizontal ordinate draws calibration curve;
4 analysis type standard models and analysis sample: the condition of work determined by step 1 excites type standard sample and analyzes sample, and each sample at least excites 2 times ~ 3 times, averages.
5 Calculation results: according to the relative intensity of analytical line pair, obtain the content of analytical element from calibration curve.
Embodiment 3
1 determines that analysis condition is as follows:
2, prepare type standardization sample and analyze sample: using nickel base superalloy steel making to analyze sample, type standardization sample obtains for analyzing from daily production, substantially identical with the analysis sample material identical smelting operation of rolling, there is the inside standard specimen of chemical composition accurately.The surfaceness analyzing the analysis surface of sample is less than 0.8;
3, calibration curve is made: under selected condition of work, the standard model of exciting light photoelectric direct reading spectrometer, each sample at least excites 3 times, with each element relative intensity mean value to be measured for ordinate, with the concentration value of this element in standard model for horizontal ordinate draws calibration curve;
4, analysis type standard model and analysis sample: the condition of work determined by step 1 excites type standard sample and analyzes sample, and each sample at least excites 2 times ~ 3 times, averages.
5, Calculation results: according to the relative intensity of analytical line pair, obtains the content of analytical element from calibration curve.
All through the analysis condition put into practice selected by above-mentioned three examples can well analyze the content of element and judge, the advantage of this method is that analytical cycle is short, accurately, favorable reproducibility, and avoid the use of organic reagent, decrease environmental pollution, the constituent analysis for nickel base superalloy alloy provides a new footpath, there is very strong application, meet the demand of production and scientific research.
Claims (1)
1. use photo-electric direct reading spectrometer to measure the method for nickel base superalloy composition of steel, it is characterized in that analysis speed is fast, favorable reproducibility, accuracy is higher, reduces analysis cost simultaneously, and the step measuring nickel base superalloy composition of steel is as follows:
1.1, determine analysis condition: instrument parameter and element internal standard line and analytical line as follows:
1.2, prepare type standardization sample and analyze sample: using nickel base superalloy steel making to analyze sample, type standardization sample obtains for analyzing from daily production, substantially identical with the analysis sample material identical smelting operation of rolling, have the inside standard specimen of chemical composition accurately, the surfaceness on the analysis surface of sample is less than 0.8;
1.3, calibration curve is made: under selected condition of work, the standard model of exciting light photoelectric direct reading spectrometer, each sample at least excites 3 times, with each element relative intensity mean value to be measured for ordinate, with the concentration value of this element in standard model for horizontal ordinate draws calibration curve;
1.4, sample is analyzed: the condition of work determined by step 1.1 excites type standard sample and analyzes sample, and each sample at least excites 2 times ~ 3 times, averages;
1.5, Calculation results: according to the relative intensity of analytical line pair, obtains the content of analytical element from calibration curve.
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| CN109540872A (en) * | 2018-11-28 | 2019-03-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Use the method for direct-reading spectrometer measurement nickel-base alloy ingredient |
| CN110455779A (en) * | 2019-07-16 | 2019-11-15 | 天津钢管制造有限公司 | Analysis method based on Ce elements in direct reading spectrometry measurement low-alloy steel |
| CN111426679A (en) * | 2020-04-22 | 2020-07-17 | 河钢股份有限公司 | Method for measuring content of tungsten element in nickel-based alloy |
| CN112098393A (en) * | 2020-09-14 | 2020-12-18 | 中国工程物理研究院机械制造工艺研究所 | Method for measuring multiple elements of HR-1 direct-reading spectrum of hydrogen-resistant steel pipe |
| CN113390798A (en) * | 2021-06-21 | 2021-09-14 | 新疆八一钢铁股份有限公司 | Method for analyzing carbon content in 82B steel sample with diameter of 10-14mm |
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| CN102374984B (en) * | 2010-08-10 | 2013-07-10 | 北京北机机电工业有限责任公司 | Method for measuring nickel content in low alloy steel by spectrophotometry |
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