CN103575707A - Method for measuring components of nickel-based high-temperature alloy steel by using photoelectric direct reading spectrometer - Google Patents
Method for measuring components of nickel-based high-temperature alloy steel by using photoelectric direct reading spectrometer Download PDFInfo
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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
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 at present nickel base superalloy chemical composition analysis and 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 emission spectrometer (ICP) analyses, these projects are all completed in different analytical equipments by different analysts, 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 of using photo-electric direct reading spectrometer to measure nickel base superalloy composition of steel, to reduce analytical equipment, simplify routine analyzer, shorten analytical cycle, reduce 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 of measuring nickel base superalloy composition of steel is as follows:
1, determine analysis condition: element internal standard line and analytical line:
2, prepare type standardization sample and analytic sample: use nickel base superalloy steel making analytic sample, type standardization sample for obtaining from daily production is analyzed, the smelting operation of rolling identical with analytic sample material is basic identical, has the inside standard specimen of chemical composition accurately.The surfaceness on the analysis surface of analytic 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, and take each element relative intensity mean value to be measured is ordinate, and the concentration value of this element in standard model of take is that horizontal ordinate is drawn calibration curve;
4, analysis type standard model and analytic sample: by the definite condition of work of step 1.1, excite type standard sample and analytic sample, 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.
Advantage of the present invention is: proposed a kind of method of using photo-electric direct reading spectrometer to measure nickel base superalloy composition of steel, reduced analytical equipment, simplified routine analyzer, shortened analytical cycle, reduced 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, has reduced analysis cost simultaneously, and the step of measuring nickel base superalloy composition of steel is as follows:
1, determine analysis condition: element internal standard line and analytical line are as follows:
2, prepare type standardization sample and analytic sample: use nickel base superalloy steel making analytic sample, type standardization sample for obtaining from daily production is analyzed, the smelting operation of rolling identical with analytic sample material is basic identical, has the inside standard specimen of chemical composition accurately.The surfaceness on the analysis surface of analytic 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, and take each element relative intensity mean value to be measured is ordinate, and the concentration value of this element in standard model of take is that horizontal ordinate is drawn calibration curve;
4, analysis type standard model and analytic sample: by the definite condition of work of step 1, excite type standard sample and analytic sample, 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.
Subordinate list explanation
(1) analytical precision of instrument: select GH4033, GH37 standard specimen, analyzes 10 times standard specimen continuously according to analytical approach, and 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 analytic sample: use nickel base superalloy steel making analytic sample, type standardization sample for obtaining from daily production is analyzed, the smelting operation of rolling identical with analytic sample material is basic identical, has the inside standard specimen of chemical composition accurately.The surfaceness on the analysis surface of analytic 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, and take each element relative intensity mean value to be measured is ordinate, and the concentration value of this element in standard model of take is that horizontal ordinate is drawn calibration curve;
4, analysis type standard model and analytic sample: by the definite condition of work of step 1, excite type standard sample and analytic sample, 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 2
1 determines that analysis condition is as follows:
2 prepare type standardization sample and analytic sample: use nickel base superalloy steel making analytic sample, type standardization sample for obtaining from daily production is analyzed, the smelting operation of rolling identical with analytic sample material is basic identical, has the inside standard specimen of chemical composition accurately.The surfaceness on the analysis surface of analytic 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, and take each element relative intensity mean value to be measured is ordinate, and the concentration value of this element in standard model of take is that horizontal ordinate is drawn calibration curve;
4 analysis type standard model and analytic samples: excite type standard sample and analytic sample by the definite condition of work of step 1, 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 analytic sample: use nickel base superalloy steel making analytic sample, type standardization sample for obtaining from daily production is analyzed, the smelting operation of rolling identical with analytic sample material is basic identical, has the inside standard specimen of chemical composition accurately.The surfaceness on the analysis surface of analytic 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, and take each element relative intensity mean value to be measured is ordinate, and the concentration value of this element in standard model of take is that horizontal ordinate is drawn calibration curve;
4, analysis type standard model and analytic sample: by the definite condition of work of step 1, excite type standard sample and analytic sample, 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.
Through putting into practice above-mentioned three selected analysis conditions of example, all can well the content of element be analyzed and be judged, the advantage of this method is that analytical cycle is short, accurately, favorable reproducibility, and avoided the use of organic reagent, reduced environmental pollution, for the constituent analysis of nickel base superalloy alloy provides a new footpath, there is very strong application, met 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, has reduced analysis cost simultaneously, and the step of 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 are as follows:
1.2, prepare type standardization sample and analytic sample: use nickel base superalloy steel making analytic sample, type standardization sample for obtaining from daily production is analyzed, the smelting operation of rolling identical with analytic sample material is basic identical, has the inside standard specimen of chemical composition accurately.The surfaceness on the analysis surface of sample is less than 0.8;
1.3, 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, and take each element relative intensity mean value to be measured is ordinate, and the concentration value of this element in standard model of take is that horizontal ordinate is drawn calibration curve;
1.4, analytic sample: excite type standard sample and analytic sample by the definite condition of work of step 1.1, each sample at least excites 2 times～3 times, averages.
1.5, Calculation results: according to the relative intensity of analytical line pair, obtain the content of analytical element from calibration curve.
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Cited By (6)
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| CN107941714A (en) * | 2017-11-22 | 2018-04-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Use the method for direct-reading spectrometer measure titanium alloy component |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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Address after: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee after: AECC AVIATION POWER CO,LTD. Address before: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee before: AVIC AVIATION ENGINE Corp.,PLC Address after: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee after: AVIC AVIATION ENGINE Corp.,PLC Address before: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee before: XI'AN AVIATION POWER Co.,Ltd. |
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